diff --git a/src/Server/Controllers/SearchdomainController.cs b/src/Server/Controllers/SearchdomainController.cs
index 564dd88..6d75dbf 100644
--- a/src/Server/Controllers/SearchdomainController.cs
+++ b/src/Server/Controllers/SearchdomainController.cs
@@ -1,6 +1,8 @@
+using System.Text.Json;
 using ElmahCore;
 using Microsoft.AspNetCore.Mvc;
 using Server.Exceptions;
+using Server.Helper;
 using Shared.Models;
 
 namespace Server.Controllers;
@@ -98,14 +100,39 @@ public class SearchdomainController : ControllerBase
         {
             _logger.LogError("Unable to update searchdomain {searchdomain} - not found", [searchdomain]);
             return Ok(new SearchdomainUpdateResults() { Success = false, Message = $"Unable to update searchdomain {searchdomain} - not found" });
-        } catch (Exception)
+        } catch (Exception ex)
         {
-            _logger.LogError("Unable to update searchdomain {searchdomain}", [searchdomain]);
+            _logger.LogError("Unable to update searchdomain {searchdomain} - Exception: {ex.Message} - {ex.StackTrace}", [searchdomain, ex.Message, ex.StackTrace]);
             return Ok(new SearchdomainUpdateResults() { Success = false, Message = $"Unable to update searchdomain {searchdomain}" });
         }
         return Ok(new SearchdomainUpdateResults(){Success = true});
     }
 
+    [HttpPost("UpdateSettings")]
+    public ActionResult<SearchdomainUpdateResults> UpdateSettings(string searchdomain, [FromBody] SearchdomainSettings request)
+    {
+        try
+        {
+            Searchdomain searchdomain_ = _domainManager.GetSearchdomain(searchdomain);
+            Dictionary<string, dynamic> parameters = new()
+            {
+                {"settings", JsonSerializer.Serialize(request)},
+                {"id", searchdomain_.id}
+            };
+            searchdomain_.helper.ExecuteSQLNonQuery("UPDATE searchdomain set settings = @settings WHERE id = @id", parameters);
+            searchdomain_.settings = request;
+        } catch (SearchdomainNotFoundException)
+        {
+            _logger.LogError("Unable to update settings for searchdomain {searchdomain} - not found", [searchdomain]);
+            return Ok(new SearchdomainUpdateResults() { Success = false, Message = $"Unable to update settings for searchdomain {searchdomain} - not found" });
+        } catch (Exception ex)
+        {
+            _logger.LogError("Unable to update settings for searchdomain {searchdomain} - Exception: {ex.Message} - {ex.StackTrace}", [searchdomain, ex.Message, ex.StackTrace]);
+            return Ok(new SearchdomainUpdateResults() { Success = false, Message = $"Unable to update settings for searchdomain {searchdomain}" });
+        }
+        return Ok(new SearchdomainUpdateResults(){Success = true});
+    }
+
     [HttpGet("GetSearches")]
     public ActionResult<SearchdomainSearchesResults> GetSearches(string searchdomain)
     {
@@ -128,4 +155,96 @@ public class SearchdomainController : ControllerBase
         
         return Ok(new SearchdomainSearchesResults() { Searches = searchCache, Success = true });
     }
+
+    [HttpGet("GetSettings")]
+    public ActionResult<SearchdomainSettingsResults> GetSettings(string searchdomain)
+    {
+        Searchdomain searchdomain_;
+        try
+        {
+            searchdomain_ = _domainManager.GetSearchdomain(searchdomain);
+        }
+        catch (SearchdomainNotFoundException)
+        {
+            _logger.LogError("Unable to retrieve the searchdomain {searchdomain} - it likely does not exist yet", [searchdomain]);
+            return Ok(new SearchdomainSettingsResults() { Settings = null, Success = false, Message = "Searchdomain not found" });
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError("Unable to retrieve the searchdomain {searchdomain} - {ex.Message} - {ex.StackTrace}", [searchdomain, ex.Message, ex.StackTrace]);
+            return Ok(new SearchdomainSettingsResults() { Settings = null, Success = false, Message = ex.Message });
+        }
+        SearchdomainSettings settings = searchdomain_.settings;
+        return Ok(new SearchdomainSettingsResults() { Settings = settings, Success = true });
+    }
+
+    [HttpGet("GetSearchCacheSize")]
+    public ActionResult<SearchdomainSearchCacheSizeResults> GetSearchCacheSize(string searchdomain)
+    {
+        Searchdomain searchdomain_;
+        try
+        {
+            searchdomain_ = _domainManager.GetSearchdomain(searchdomain);
+        }
+        catch (SearchdomainNotFoundException)
+        {
+            _logger.LogError("Unable to retrieve the searchdomain {searchdomain} - it likely does not exist yet", [searchdomain]);
+            return Ok(new SearchdomainSearchCacheSizeResults() { SearchCacheSizeBytes = null, Success = false, Message = "Searchdomain not found" });
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError("Unable to retrieve the searchdomain {searchdomain} - {ex.Message} - {ex.StackTrace}", [searchdomain, ex.Message, ex.StackTrace]);
+            return Ok(new SearchdomainSearchCacheSizeResults() { SearchCacheSizeBytes = null, Success = false, Message = ex.Message });
+        }
+        Dictionary<string, DateTimedSearchResult> searchCache = searchdomain_.searchCache;
+        long sizeInBytes = 0;
+        foreach (var entry in searchCache)
+        {
+            sizeInBytes += sizeof(int); // string length prefix
+            sizeInBytes += entry.Key.Length * sizeof(char); // string characters
+            sizeInBytes += entry.Value.EstimateSize();
+        }
+        return Ok(new SearchdomainSearchCacheSizeResults() { SearchCacheSizeBytes = sizeInBytes, Success = true });
+    }
+
+    [HttpGet("ClearSearchCache")]
+    public ActionResult<SearchdomainInvalidateCacheResults> InvalidateSearchCache(string searchdomain)
+    {
+        try
+        {
+            Searchdomain searchdomain_ = _domainManager.GetSearchdomain(searchdomain);
+            searchdomain_.InvalidateSearchCache();
+        } catch (SearchdomainNotFoundException)
+        {
+            _logger.LogError("Unable to invalidate search cache for searchdomain {searchdomain} - not found", [searchdomain]);
+            return Ok(new SearchdomainInvalidateCacheResults() { Success = false, Message = $"Unable to invalidate search cache for searchdomain {searchdomain} - not found" });
+        } catch (Exception ex)
+        {
+            _logger.LogError("Unable to invalidate search cache for searchdomain {searchdomain} - Exception: {ex.Message} - {ex.StackTrace}", [searchdomain, ex.Message, ex.StackTrace]);
+            return Ok(new SearchdomainInvalidateCacheResults() { Success = false, Message = $"Unable to invalidate search cache for searchdomain {searchdomain}" });
+        }
+        return Ok(new SearchdomainInvalidateCacheResults(){Success = true});
+    }
+
+    [HttpGet("GetDatabaseSize")]
+    public ActionResult<SearchdomainGetDatabaseSizeResult> GetDatabaseSize(string searchdomain)
+    {
+        Searchdomain searchdomain_;
+        try
+        {
+            searchdomain_ = _domainManager.GetSearchdomain(searchdomain);
+        }
+        catch (SearchdomainNotFoundException)
+        {
+            _logger.LogError("Unable to retrieve the searchdomain {searchdomain} - it likely does not exist yet", [searchdomain]);
+            return Ok(new SearchdomainGetDatabaseSizeResult() { SearchdomainDatabaseSizeBytes = null, Success = false, Message = "Searchdomain not found" });
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError("Unable to retrieve the searchdomain {searchdomain} - {ex.Message} - {ex.StackTrace}", [searchdomain, ex.Message, ex.StackTrace]);
+            return Ok(new SearchdomainGetDatabaseSizeResult() { SearchdomainDatabaseSizeBytes = null, Success = false, Message = ex.Message });
+        }
+        long sizeInBytes = DatabaseHelper.GetSearchdomainDatabaseSize(searchdomain_.helper, searchdomain);
+        return Ok(new SearchdomainGetDatabaseSizeResult() { SearchdomainDatabaseSizeBytes = sizeInBytes, Success = true });        
+    } 
 }
diff --git a/src/Server/Helper/DatabaseHelper.cs b/src/Server/Helper/DatabaseHelper.cs
index 7113f08..0a9c135 100644
--- a/src/Server/Helper/DatabaseHelper.cs
+++ b/src/Server/Helper/DatabaseHelper.cs
@@ -1,6 +1,7 @@
 using System.Data.Common;
 using System.Text;
 using Server.Exceptions;
+using Shared.Models;
 
 namespace Server.Helper;
 
@@ -27,12 +28,12 @@ public class DatabaseHelper(ILogger<DatabaseHelper> logger)
         helper.ExecuteSQLNonQuery(query.ToString(), parameters);
     }
 
-    public static int DatabaseInsertSearchdomain(SQLHelper helper, string name)
+    public static int DatabaseInsertSearchdomain(SQLHelper helper, string name, SearchdomainSettings settings = new())
     {
         Dictionary<string, dynamic> parameters = new()
         {
             { "name", name },
-            { "settings", "{}"} // TODO add settings. It's not used yet, but maybe it's needed someday...
+            { "settings", settings}
         };
         return helper.ExecuteSQLCommandGetInsertedID("INSERT INTO searchdomain (name, settings) VALUES (@name, @settings)", parameters);
     }
@@ -176,4 +177,38 @@ public class DatabaseHelper(ILogger<DatabaseHelper> logger)
             return result;
         }
     }
+
+    public static long GetSearchdomainDatabaseSize(SQLHelper helper, string searchdomain)
+    {
+        Dictionary<string, dynamic> parameters = new()
+        {
+            { "searchdomain", searchdomain}
+        };
+        DbDataReader searchdomainSumReader = helper.ExecuteSQLCommand("SELECT SUM(LENGTH(id) + LENGTH(name) + LENGTH(settings)) AS total_bytes FROM embeddingsearch.searchdomain WHERE name=@searchdomain", parameters);
+        bool success = searchdomainSumReader.Read();
+        long result = success && !searchdomainSumReader.IsDBNull(0) ? searchdomainSumReader.GetInt64(0) : 0;
+        searchdomainSumReader.Close();
+
+        DbDataReader entitySumReader = helper.ExecuteSQLCommand("SELECT SUM(LENGTH(e.id) + LENGTH(e.name) + LENGTH(e.probmethod) + LENGTH(e.id_searchdomain)) AS total_bytes FROM embeddingsearch.entity e JOIN embeddingsearch.searchdomain s ON e.id_searchdomain = s.id WHERE s.name=@searchdomain", parameters);
+        success = entitySumReader.Read();
+        result += success && !entitySumReader.IsDBNull(0) ? entitySumReader.GetInt64(0) : 0;
+        entitySumReader.Close();
+
+        DbDataReader datapointSumReader = helper.ExecuteSQLCommand("SELECT SUM(LENGTH(d.id) + LENGTH(d.name) + LENGTH(d.probmethod_embedding) + LENGTH(d.similaritymethod) + LENGTH(d.id_entity) + LENGTH(d.hash)) AS total_bytes FROM embeddingsearch.datapoint d JOIN embeddingsearch.entity e ON d.id_entity = e.id JOIN embeddingsearch.searchdomain s ON e.id_searchdomain = s.id WHERE s.name=@searchdomain", parameters);
+        success = datapointSumReader.Read();
+        result += success && !datapointSumReader.IsDBNull(0) ? datapointSumReader.GetInt64(0) : 0;
+        datapointSumReader.Close();
+
+        DbDataReader embeddingSumReader = helper.ExecuteSQLCommand("SELECT SUM(LENGTH(em.id) + LENGTH(em.id_datapoint) + LENGTH(em.model) + LENGTH(em.embedding)) AS total_bytes FROM embeddingsearch.embedding em JOIN embeddingsearch.datapoint d ON em.id_datapoint = d.id JOIN embeddingsearch.entity e ON d.id_entity = e.id JOIN embeddingsearch.searchdomain s ON e.id_searchdomain = s.id WHERE s.name=@searchdomain", parameters);
+        success = embeddingSumReader.Read();
+        result += success && !embeddingSumReader.IsDBNull(0) ? embeddingSumReader.GetInt64(0) : 0;
+        embeddingSumReader.Close();
+
+        DbDataReader attributeSumReader = helper.ExecuteSQLCommand("SELECT SUM(LENGTH(a.id) + LENGTH(a.id_entity) + LENGTH(a.attribute) + LENGTH(a.value)) AS total_bytes FROM embeddingsearch.attribute a JOIN embeddingsearch.entity e ON a.id_entity = e.id JOIN embeddingsearch.searchdomain s ON e.id_searchdomain = s.id WHERE s.name=@searchdomain", parameters);
+        success = attributeSumReader.Read();
+        result += success && !attributeSumReader.IsDBNull(0) ? attributeSumReader.GetInt64(0) : 0;
+        attributeSumReader.Close();
+
+        return result;
+    } 
 }
\ No newline at end of file
diff --git a/src/Server/Searchdomain.cs b/src/Server/Searchdomain.cs
index edd5072..019eb79 100644
--- a/src/Server/Searchdomain.cs
+++ b/src/Server/Searchdomain.cs
@@ -1,5 +1,6 @@
 using System.Data;
 using System.Data.Common;
+using System.Text.Json;
 using ElmahCore.Mvc.Logger;
 using MySql.Data.MySqlClient;
 using Server.Helper;
@@ -14,6 +15,7 @@ public class Searchdomain
     public AIProvider aIProvider;
     public string searchdomain;
     public int id;
+    public SearchdomainSettings settings;
     public Dictionary<string, DateTimedSearchResult> searchCache; // Key: query, Value: Search results for that query (with timestamp)
     public List<Entity> entityCache;
     public List<string> modelsInUse;
@@ -36,6 +38,7 @@ public class Searchdomain
         connection = new MySqlConnection(connectionString);
         connection.Open();
         helper = new SQLHelper(connection, connectionString);
+        settings = GetSettings();
         modelsInUse = []; // To make the compiler shut up - it is set in UpdateSearchDomain() don't worry // yeah, about that...
         if (!runEmpty)
         {
@@ -229,6 +232,19 @@ public class Searchdomain
         return this.id;
     }
 
+    public SearchdomainSettings GetSettings()
+    {
+        Dictionary<string, dynamic> parameters = new()
+        {
+            ["name"] = searchdomain
+        };
+        DbDataReader reader = helper.ExecuteSQLCommand("SELECT settings from searchdomain WHERE name = @name", parameters);
+        reader.Read();
+        string settingsString = reader.GetString(0);
+        reader.Close();
+        return JsonSerializer.Deserialize<SearchdomainSettings>(settingsString);
+    }
+
     public void InvalidateSearchCache()
     {
         searchCache = [];
diff --git a/src/Server/Views/Home/Index.cshtml b/src/Server/Views/Home/Index.cshtml
index cd45f1a..022967b 100644
--- a/src/Server/Views/Home/Index.cshtml
+++ b/src/Server/Views/Home/Index.cshtml
@@ -14,12 +14,14 @@
 }
 
 <div class="container-fluid mt-4">
+  <h1 class="visually-hidden">embeddingsearch</h1>
   <div class="row">
 
     <!-- Sidebar -->
-    <div class="col-md-4 sidebar">
+    <div class="col-md-4 sidebar" role="complementary">
       <div class="card">
         <div class="card-body p-2">
+          <h2 class="visually-hidden">@T["Searchdomain selection"]</h2>
           <ul class="list-group list-group-flush mb-2" style="max-height: 60vh; overflow-y: auto;">
             @foreach (var domain in domains)
             {
@@ -28,55 +30,63 @@
                 </li>
             }
           </ul>
-          <button class="btn btn-primary w-100">Add</button>
+          <button id="searchdomainCreate" class="btn btn-primary w-100">@T["Create"]</button>
         </div>
       </div>
     </div>
 
     <!-- Main Content -->
-    <div class="col col-md-8">
+    <div class="col col-md-8" role="main">
 
       <div class="card section-card">
         <div class="card-body">
+          <h2 class="visually-hidden">@T["Searchdomain information and settings"]</h2>
 
+          <h3 class="visually-hidden">@T["Actions"]</h3>
           <!-- Header -->
           <div class="d-flex justify-content-between align-items-center mb-3">
-            <h4 class="mb-0 text-nowrap overflow-auto">Searchdomain1</h4>
+            <p id="searchdomainName" class="mb-0 text-nowrap overflow-auto fs-3">Searchdomain</p>
             <div class="col-md-3 text-end w-auto">
-              <button class="btn btn-warning btn-sm me-2">Rename</button>
-              <button class="btn btn-danger btn-sm">Delete</button>
+              <button id="searchdomainRename" class="btn btn-warning btn-sm me-2">@T["Rename"]</button>
+              <button id="searchdomainDelete" class="btn btn-danger btn-sm">@T["Delete"]</button>
             </div>
           </div>
 
           <!-- Settings -->
           <div class="row align-items-center mb-3">
+            <h3>@T["Settings"]</h3>
             <div class="col-md-6">
-              <label class="form-label">Settings</label>
-              <input
-                type="text"
-                class="form-control"
-                placeholder="JSON-string"
-                disabled
-              />
+              <input type="checkbox" class="form-check-input" id="searchdomainConfigCacheReconciliation" />
+              <label class="form-check-label" for="searchdomainConfigCacheReconciliation">@T["Cache reconsiliation"]</label>
             </div>
             <div class="col-md-2 mt-3 mt-md-0">
-              <button class="btn btn-warning w-100">Update</button>
+              <button class="btn btn-warning w-100" id="searchdomainConfigUpdate">@T["Update"]</button>
             </div>
           </div>
 
+          <h3 class="visually-hidden">@T["Search cache"]</h3>
           <!-- Cache -->
           <div class="d-flex align-items-center mb-4">
             <div class="me-3">
-              <strong>Cache utilization:</strong> 2.47MiB
+              <strong>@T["Search cache utilization"]:</strong> <span id="cacheUtilization">0.00MiB</span>
             </div>
-            <button class="btn btn-primary btn-sm">Reset</button>
+            <button id="cacheClear" class="btn btn-warning btn-sm">@T["Clear"]</button>
+          </div>
+
+          <h3 class="visually-hidden">@T["Database size"]</h3>
+          <!-- Database size -->
+          <div class="d-flex align-items-center mb-4">
+            <div class="me-3">
+              <strong>@T["Database size"]:</strong> <span id="databaseUtilization">0.00MiB</span>
+            </div>
+            <button id="cacheClear" class="btn btn-warning btn-sm">@T["Clear"]</button>
           </div>
 
           <!-- Recent Queries -->
           <div class="card section-card mb-4">
             <div class="card-body">
               <div class="d-flex justify-content-between align-items-center mb-2">
-                <strong>Recent queries</strong>
+                <h3>Recent queries</h3>
                 <input
                   type="text"
                   class="form-control form-control-sm w-25"
@@ -101,7 +111,7 @@
           <div class="card section-card">
             <div class="card-body">
               <div class="d-flex justify-content-between align-items-center mb-2">
-                <strong>Entities</strong>
+                <h3>Entities</h3>
                 <input
                   id="entitiesFilter"
                   type="text"
@@ -134,19 +144,19 @@
 <div class="modal fade" id="entityDetailsModal" tabindex="-1" aria-hidden="true">
   <div class="modal-dialog modal-lg modal-dialog-scrollable">
     <div class="modal-content">
-      <div class="modal-header">
-        <h5 class="modal-title" id="entityDetailsTitle">Entity Details</h5>
+      <div class="modal-header bg-info">
+        <h2 class="modal-title" id="entityDetailsTitle">@T["Entity Details"]</h2>
         <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
       </div>
 
       <div class="modal-body">
         <!-- Attributes -->
-        <h6>Attributes</h6>
+        <h3 class="fs-4">@T["Attributes"]</h3>
         <table class="table table-sm table-bordered mb-4">
           <thead>
             <tr>
-              <th>Key</th>
-              <th>Value</th>
+              <th>@T["Key"]</th>
+              <th>@T["Value"]</th>
             </tr>
           </thead>
           <tbody id="entityAttributesBody">
@@ -154,13 +164,13 @@
         </table>
 
         <!-- Datapoints -->
-        <h6>Datapoints</h6>
+        <h3 class="fs-4">@T["Datapoints"]</h3>
         <table class="table table-sm table-striped">
           <thead>
             <tr>
-              <th>Name</th>
-              <th>ProbMethod</th>
-              <th>SimilarityMethod</th>
+              <th>@T["Name"]</th>
+              <th>@T["ProbMethod"]</th>
+              <th>@T["SimilarityMethod"]</th>
             </tr>
           </thead>
           <tbody id="entityDatapointsBody">
@@ -170,7 +180,7 @@
 
       <div class="modal-footer">
         <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">
-          Close
+          @T["Close"]
         </button>
       </div>
     </div>
@@ -182,19 +192,19 @@
   <div class="modal-dialog modal-xl modal-dialog-scrollable">
     <div class="modal-content">
 
-      <div class="modal-header">
-        <h5 class="modal-title" id="queryDetailsTitle">Query Details</h5>
+      <div class="modal-header bg-info">
+        <h2 class="modal-title" id="queryDetailsTitle">@T["Query Details"] - <span id="queryDetailsQueryName"></span></h2>
         <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
       </div>
 
       <div class="modal-body">
 
         <!-- Access times -->
-        <h6>Access times</h6>
+        <h3>Access times</h3>
         <ul id="queryAccessTimes" class="list-group mb-4"></ul>
 
         <!-- Results -->
-        <h6>Results</h6>
+        <h3>Results</h3>
         <table class="table table-sm table-striped">
           <thead>
             <tr>
@@ -217,6 +227,92 @@
   </div>
 </div>
 
+<!-- Rename searchdomain Modal -->
+<div class="modal fade" id="renameSearchdomainModal" tabindex="-1" aria-hidden="true">
+  <div class="modal-dialog modal-m modal-dialog-scrollable">
+    <div class="modal-content">
+
+      <div class="modal-header bg-warning">
+        <h2 class="modal-title" id="renameSearchdomainTitle">@T["Rename searchdomain"]</h2>
+        <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
+      </div>
+
+      <div class="modal-body">
+        <!-- New name -->
+        <div class="mb-3">
+          <label for="renameSearchdomainNewName" class="form-label">New name</label>
+          <input type="text" class="form-control" id="renameSearchdomainNewName" />
+        </div>
+      </div>
+
+      <div class="modal-footer">
+        <button type="button" class="btn btn-warning" onclick="renameSearchdomain(getSelectedDomainKey(), document.getElementById('renameSearchdomainNewName').value)" data-bs-dismiss="modal">
+          Rename
+        </button>
+        <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">
+          Close
+        </button>
+      </div>
+    </div>
+  </div>
+</div>
+
+<!-- Delete searchdomain Modal -->
+<div class="modal fade" id="deleteSearchdomainModal" tabindex="-1" aria-hidden="true">
+  <div class="modal-dialog modal-m modal-dialog-scrollable">
+    <div class="modal-content">
+
+      <div class="modal-header bg-danger text-white">
+        <h2 class="modal-title" id="deleteSearchdomainTitle">@T["Delete searchdomain"]</h2>
+        <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
+      </div>
+
+      <div class="modal-body">
+        <p>@T["Are you sure you want to delete this searchdomain? This action cannot be undone."]</p>
+      </div>
+
+      <div class="modal-footer">
+        <button type="button" id="searchdomainConfirmDelete" class="btn btn-danger" data-bs-dismiss="modal">
+          Delete
+        </button>
+        <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">
+          Close
+        </button>
+      </div>
+
+    </div>
+  </div>
+</div>
+
+<!-- Create searchdomain Modal -->
+<div class="modal fade" id="createSearchdomainModal" tabindex="-1" aria-hidden="true">
+  <div class="modal-dialog modal-m modal-dialog-scrollable">
+    <div class="modal-content">
+
+      <div class="modal-header bg-primary text-white">
+        <h2 class="modal-title" id="createSearchdomainTitle">@T["Create searchdomain"]</h2>
+        <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
+      </div>
+
+      <div class="modal-body">
+        <label for="createSearchdomainName" class="form-label">@T["Searchdomain name"]</label>
+        <input type="text" class="form-control mb-3" id="createSearchdomainName" placeholder="@T["Searchdomain name"]" />
+        <input type="checkbox" class="form-check-input" id="createSearchdomainWithCacheReconciliation" />
+        <label class="form-check-label" for="createSearchdomainWithCacheReconciliation">@T["Enable cache reconsiliation"]</label>
+      </div>
+
+      <div class="modal-footer">
+        <button type="button" id="searchdomainConfirmCreate" class="btn btn-primary" data-bs-dismiss="modal">
+          @T["Create"]
+        </button>
+        <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">
+          @T["Close"]
+        </button>
+      </div>
+
+    </div>
+  </div>
+</div>
 
 
 <script>
@@ -245,8 +341,185 @@
         queriesFilter.addEventListener('input', () => {
             populateQueriesTable(queriesFilter.value);
         });
+        selectDomain(0);
+
+        document
+            .getElementById('searchdomainRename')
+            .addEventListener('click', () => {
+                const modal = new bootstrap.Modal(
+                    document.getElementById('renameSearchdomainModal')
+                );
+                // Fill in searchdomain current name
+                const domainKey = getSelectedDomainKey();
+                document.getElementById(
+                    'renameSearchdomainNewName'
+                ).value = domains[domainKey];
+                modal.show();
+            });
+        document
+            .getElementById('searchdomainDelete')
+            .addEventListener('click', () => {
+                const modal = new bootstrap.Modal(
+                    document.getElementById('deleteSearchdomainModal')
+                );
+                modal.show();
+            });
+        document
+            .getElementById('searchdomainConfirmDelete')
+            .addEventListener('click', () => {
+                const domainKey = getSelectedDomainKey();
+                deleteSearchdomain(domainKey);
+                selectDomain(0);
+            });
+        document
+            .getElementById('searchdomainConfigUpdate')
+            .addEventListener('click', () => {
+                const domainKey = getSelectedDomainKey();
+                const cacheReconciliation = document.getElementById('searchdomainConfigCacheReconciliation').checked;
+                updateSearchdomainConfig(domainKey, { CacheReconciliation: cacheReconciliation});
+            });
+
+        document
+            .getElementById('searchdomainCreate')
+            .addEventListener('click', () => {
+                const modal = new bootstrap.Modal(
+                    document.getElementById('createSearchdomainModal')
+                );
+                modal.show();
+            });
+
+        document
+            .getElementById('searchdomainConfirmCreate')
+            .addEventListener('click', () => {
+                const modal = new bootstrap.Modal(
+                    document.getElementById('createSearchdomainModal')
+                );
+                const name = document.getElementById('createSearchdomainName').value;
+                const cacheReconciliation = document.getElementById('createSearchdomainWithCacheReconciliation').checked;
+                const settings = { CacheReconciliation: cacheReconciliation };
+                // Implement create logic here
+                fetch(`/Searchdomain/Create?searchdomain=${encodeURIComponent(name)}&settings=${JSON.stringify(settings)}`, {
+                    method: 'GET'
+                }).then(response => {
+                    if (response.ok) {
+                        // TODO add toast
+                        console.log('Searchdomain created successfully');
+                        // Reload the page to show the new searchdomain
+                        location.reload();
+                    } else {
+                        // TODO add toast
+                        console.error('Failed to create searchdomain');
+                    }
+                }).catch(error => {
+                    console.error('Error creating searchdomain:', error);
+                });
+            });
+
+        document
+            .getElementById('cacheClear')
+            .addEventListener('click', () => {
+                const domainKey = getSelectedDomainKey();
+                fetch(`/Searchdomain/ClearSearchCache?searchdomain=${encodeURIComponent(domains[domainKey])}`, {
+                    method: 'GET'
+                }).then(response => {
+                    if (response.ok) {
+                        // TODO add toast
+                        console.log('Searchdomain cache cleared successfully');
+                        // Update cache utilization display
+                        document.querySelector('#cacheUtilization').innerText = '0.00MiB';
+                    } else {
+                        // TODO add toast
+                        console.error('Failed to clear searchdomain cache');
+                    }
+                }).catch(error => {
+                    console.error('Error clearing searchdomain cache:', error);
+                });
+            });
     });
 
+    function deleteSearchdomain(domainKey) {
+        // Implement delete logic here
+        fetch(`/Searchdomain/Delete?searchdomain=${encodeURI(domains[domainKey])}`, {
+            method: 'GET'
+        }).then(response => {
+            if (response.ok) {
+                // TODO add toast
+                // Remove from sidebar
+                var domainItem = document.getElementById('sidebar_domain_' + domainKey);
+                domainItem.remove();
+                console.log('Searchdomain deleted successfully');
+            } else {
+                // TODO add toast
+                console.error('Failed to delete searchdomain');
+            }
+        }).catch(error => {
+            console.error('Error deleting searchdomain:', error);
+        });
+    }
+
+    function renameSearchdomain(domainKey, newName) {
+        // Implement rename logic here
+        fetch(`/Searchdomain/Update?searchdomain=${encodeURI(domains[domainKey])}&newName=${newName}`, {
+            method: 'GET'
+        }).then(response => {
+            if (response.ok) {
+                // TODO add toast
+                // Update sidebar and header name
+                var domainItem = document.getElementById('sidebar_domain_' + domainKey);
+                domainItem.innerText = newName;
+                document.querySelector('.section-card h3').innerText = newName;
+                domains[domainKey] = newName;
+
+                console.log('Searchdomain renamed successfully');
+            } else {
+                // TODO add toast
+                console.error('Failed to rename searchdomain');
+            }
+        }).catch(error => {
+            console.error('Error renaming searchdomain:', error);
+        });
+    }
+
+    function updateSearchdomainConfig(domainKey, newSettings) {
+        // Implement update logic here
+        fetch(`/Searchdomain/UpdateSettings?searchdomain=${encodeURIComponent(domains[domainKey])}`, {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json'
+            },
+            body: JSON.stringify(newSettings)
+        }).then(response => {
+            if (response.ok) {
+                // TODO add toast
+                console.log('Searchdomain settings updated successfully');
+            } else {
+                // TODO add toast
+                console.error('Failed to update searchdomain settings');
+            }
+        }).catch(error => {
+            console.error('Error updating searchdomain settings:', error);
+        });
+    }
+
+    function getSelectedDomainKey() {
+        return document.querySelector('.domain-item.active').id.split("_")[2] - 0;
+    }
+
+    function getSearchdomainConfig(domainKey) {
+        return fetch(`/Searchdomain/GetSettings?searchdomain=${encodeURIComponent(domains[domainKey])}`)
+            .then(r => r.json());
+    }
+
+    function getSearchdomainCacheUtilization(domainKey) {
+        return fetch(`/Searchdomain/GetSearchCacheSize?searchdomain=${encodeURIComponent(domains[domainKey])}`)
+            .then(r => r.json());
+    }
+
+    function getSearchdomainDatabaseUtilization(domainKey) {
+        return fetch(`/Searchdomain/GetDatabaseSize?searchdomain=${encodeURIComponent(domains[domainKey])}`)
+            .then(r => r.json());
+    }
+
     function selectDomain(domainKey) {
         document.querySelectorAll('.domain-item').forEach(item => {
             item.classList.remove('active');
@@ -256,7 +529,13 @@
         selectedItem.classList.add('active');
 
         var domainName = domains[domainKey];
-        document.querySelector('.section-card h4').innerText = domainName;
+        document.querySelector('#searchdomainName').innerText = domainName;
+
+        let searchdomainConfigPromise = getSearchdomainConfig(getSelectedDomainKey());
+        let configElementCacheReconsiliation = document.getElementById('searchdomainConfigCacheReconciliation');
+
+        let cacheUtilizationPromise = getSearchdomainCacheUtilization(getSelectedDomainKey());
+        let databaseUtilizationPromise = getSearchdomainDatabaseUtilization(getSelectedDomainKey());
 
         /* ---------- ENTITIES ---------- */
         let entitiesUrl = `/Entity/List?searchdomain=${encodeURIComponent(domainName)}&returnEmbeddings=false`;
@@ -294,6 +573,41 @@
                 console.error('Error fetching queries:', err);
                 hideQueriesLoading(queriesCard);
             });
+
+        searchdomainConfigPromise.then(searchdomainConfig => {
+            if (searchdomainConfig != null && searchdomainConfig.Settings != null)
+            {
+                console.log(searchdomainConfig);
+                configElementCacheReconsiliation.checked = searchdomainConfig.Settings.CacheReconciliation;
+                configElementCacheReconsiliation.disabled = false;
+            } else {
+                //configElement.value = 'Error fetching searchdomain config';
+                configElementCacheReconsiliation.disabled = true;
+                // TODO add toast
+                console.error('Failed to fetch searchdomain config');
+            }
+        });
+        cacheUtilizationPromise.then(cacheUtilization => {
+            if (cacheUtilization != null && cacheUtilization.SearchCacheSizeBytes != null)
+            {
+                document.querySelector('#cacheUtilization').innerText =
+                    `${(cacheUtilization.SearchCacheSizeBytes / (1024 * 1024)).toFixed(2)}MiB`;
+            } else {
+                // TODO add toast
+                console.error('Failed to fetch searchdomain cache utilization');
+            }
+        });
+
+        databaseUtilizationPromise.then(databaseUtilization => {
+            if (databaseUtilization != null && databaseUtilization.SearchdomainDatabaseSizeBytes != null)
+            {
+                document.querySelector('#databaseUtilization').innerText =
+                    `${(databaseUtilization.SearchdomainDatabaseSizeBytes / (1024 * 1024)).toFixed(2)}MiB`;
+            } else {
+                // TODO add toast
+                console.error('Failed to fetch searchdomain database utilization');
+            }
+        });
     }
 
     function clearEntitiesTable() {
@@ -313,6 +627,7 @@
 
         const normalizedFilter = filterText.toLowerCase();
 
+        let isFirstEntity = true;
         entities
         .filter(e => e.Name.toLowerCase().includes(normalizedFilter))
         .forEach(entity => {
@@ -320,11 +635,15 @@
 
             var nameCell = document.createElement('td');
             nameCell.textContent = entity.Name;
+            if (isFirstEntity) {
+              nameCell.classList.add('w-100'); // Otherwise the table doesn't use the full width
+              isFirstEntity = false;
+            }
             row.appendChild(nameCell);
 
             var actionCell = document.createElement('td');
             var detailsButton = document.createElement('button');
-            detailsButton.className = 'btn btn-primary btn-sm';
+            detailsButton.className = 'btn btn-info btn-sm';
             detailsButton.textContent = 'Details';
             detailsButton.setAttribute("data-index", entities.findIndex(en => en == entity));
             detailsButton.addEventListener('click', () => {
@@ -341,6 +660,7 @@
     function populateQueriesTable(filterText = '') {
         if (!queries) return;
 
+
         const tbody = document.querySelector('#queriesTable tbody');
         tbody.innerHTML = '';
 
@@ -358,7 +678,7 @@
 
                 const actionCell = document.createElement('td');
                 const btn = document.createElement('button');
-                btn.className = 'btn btn-sm btn-primary';
+                btn.className = 'btn btn-sm btn-info';
                 btn.textContent = '@T["Details"]';
                 btn.addEventListener('click', () => {
                     showQueryDetails(query);
@@ -369,6 +689,9 @@
 
                 tbody.appendChild(row);
             });
+
+
+
     }
 
     function flagSearchdomainAsErroneous(domainKey) {
@@ -447,8 +770,7 @@
 
     function showQueryDetails(query) {
         // Title
-        document.getElementById('queryDetailsTitle').innerText =
-            `Query: ${query.Name}`;
+        document.getElementById('queryDetailsQueryName').innerText = query.Name;
 
         /* ---------- Access times ---------- */
         const accessList = document.getElementById('queryAccessTimes');
diff --git a/src/Server/wwwroot/css/site.css b/src/Server/wwwroot/css/site.css
index 44eaade..6d5089c 100644
--- a/src/Server/wwwroot/css/site.css
+++ b/src/Server/wwwroot/css/site.css
@@ -44,4 +44,8 @@ body {
 
 .d-none {
     display: none;
-}
\ No newline at end of file
+}
+
+.modal-title {
+  font-size: 1.25rem;
+}
diff --git a/src/Shared/Models/SearchdomainModels.cs b/src/Shared/Models/SearchdomainModels.cs
index 47656b6..646d701 100644
--- a/src/Shared/Models/SearchdomainModels.cs
+++ b/src/Shared/Models/SearchdomainModels.cs
@@ -8,6 +8,25 @@ public readonly struct ResultItem(float score, string name)
     public readonly float Score { get; } = score;
     [JsonPropertyName("Name")]
     public readonly string Name { get; } = name;
+
+    public static long EstimateSize(ResultItem item)
+    {
+        long size = 0;
+
+        // string object
+        if (item.Name != null)
+        {
+            size += MemorySizes.ObjectHeader;
+            size += sizeof(int); // string length
+            size += item.Name.Length * sizeof(char);
+            size = Align(size);
+        }
+
+        return size;
+    }
+
+    private static long Align(long size)
+        => (size + 7) & ~7; // 8-byte alignment
 }
 
 public struct DateTimedSearchResult(DateTime dateTime, List<ResultItem> results)
@@ -16,4 +35,72 @@ public struct DateTimedSearchResult(DateTime dateTime, List<ResultItem> results)
     public List<DateTime> AccessDateTimes { get; set; } = [dateTime];
     [JsonPropertyName("Results")]
     public List<ResultItem> Results { get; set; } = results;
+
+    public long EstimateSize()
+    {
+        long size = 0;
+
+        size += EstimateDateTimeList(AccessDateTimes);
+        size += EstimateResultItemList(Results);
+
+        return size;
+    }
+
+    private static long EstimateDateTimeList(List<DateTime>? list)
+    {
+        if (list == null)
+            return 0;
+
+        long size = 0;
+
+        // List object
+        size += MemorySizes.ObjectHeader;
+        size += MemorySizes.Reference; // reference to array
+
+        // Internal array
+        size += MemorySizes.ArrayHeader;
+        size += list.Capacity * sizeof(long); // DateTime = 8 bytes
+
+        return size;
+    }
+
+    private static long EstimateResultItemList(List<ResultItem>? list)
+    {
+        if (list == null)
+            return 0;
+
+        long size = 0;
+
+        // List object
+        size += MemorySizes.ObjectHeader;
+        size += MemorySizes.Reference;
+
+        // Internal array of structs
+        size += MemorySizes.ArrayHeader;
+        int resultItemInlineSize = sizeof(float) + IntPtr.Size; // float + string reference
+        size += list.Capacity * resultItemInlineSize;
+
+        // Heap allocations referenced by ResultItem
+        foreach (var item in list)
+            size += ResultItem.EstimateSize(item);
+
+        return size;
+    }
+}
+
+public struct SearchdomainSettings(bool cacheReconciliation = false)
+{
+    [JsonPropertyName("CacheReconciliation")]
+    public bool CacheReconciliation { get; set; } = cacheReconciliation;
+}
+
+internal static class MemorySizes
+{
+    public static readonly int PointerSize = IntPtr.Size;
+    public static readonly int ObjectHeader = PointerSize * 2;
+    public static readonly int Reference = PointerSize;
+    public static readonly int ArrayHeader = Align(ObjectHeader + sizeof(int));
+
+    public static int Align(int size)
+        => (size + PointerSize - 1) & ~(PointerSize - 1);
 }
\ No newline at end of file
diff --git a/src/Shared/Models/SearchdomainResults.cs b/src/Shared/Models/SearchdomainResults.cs
index 5033753..92f6990 100644
--- a/src/Shared/Models/SearchdomainResults.cs
+++ b/src/Shared/Models/SearchdomainResults.cs
@@ -54,3 +54,49 @@ public class SearchdomainSearchesResults
     [JsonPropertyName("Searches")]
     public required Dictionary<string, DateTimedSearchResult> Searches { get; set; }
 }
+
+public class SearchdomainSettingsResults
+{
+    [JsonPropertyName("Success")]
+    public required bool Success { get; set; }
+
+    [JsonPropertyName("Message")]
+    public string? Message { get; set; }
+
+    [JsonPropertyName("Settings")]
+    public required SearchdomainSettings? Settings { get; set; }
+}
+
+public class SearchdomainSearchCacheSizeResults
+{
+    [JsonPropertyName("Success")]
+    public required bool Success { get; set; }
+
+    [JsonPropertyName("Message")]
+    public string? Message { get; set; }
+
+    [JsonPropertyName("SearchCacheSizeBytes")]
+    public required long? SearchCacheSizeBytes { get; set; }
+}
+
+public class SearchdomainInvalidateCacheResults
+{
+    [JsonPropertyName("Success")]
+    public required bool Success { get; set; }
+
+    [JsonPropertyName("Message")]
+    public string? Message { get; set; }
+}
+
+public class SearchdomainGetDatabaseSizeResult
+{
+    [JsonPropertyName("Success")]
+    public required bool Success { get; set; }
+
+    [JsonPropertyName("Message")]
+    public string? Message { get; set; }
+
+    [JsonPropertyName("SearchdomainDatabaseSizeBytes")]
+    public required long? SearchdomainDatabaseSizeBytes { get; set; }    
+}
+