diff --git a/datasette_ui_extras/omnisearch.py b/datasette_ui_extras/omnisearch.py
index 86c6e22..74b3d82 100644
--- a/datasette_ui_extras/omnisearch.py
+++ b/datasette_ui_extras/omnisearch.py
@@ -16,6 +16,8 @@ async def omnisearch(datasette, db, table, q):
     if not q:
         return []
 
+    ok_columns = (datasette.plugin_config('datasette-ui-extras', db.name, table) or {}).get('omnisearch-columns', None)
+
     # TODO: dates
 
     banned_columns = {}
@@ -24,7 +26,7 @@ async def omnisearch(datasette, db, table, q):
     label_column = await db.label_column_for_table(table)
 
     row_results = []
-    if label_column:
+    if label_column and (not ok_columns or label_column in ok_columns):
         banned_columns[label_column] = True
         def get_results(conn):
             return suggest_row_results(datasette, conn, db.name, table, label_column, q)
@@ -35,6 +37,9 @@ def get_results(conn):
 
     fkey_results = []
     for other_table, my_column, other_column in fkey_columns:
+        if ok_columns and not my_column in ok_columns:
+            continue
+
         banned_columns[my_column] = True
         label_column = await db.label_column_for_table(other_table)
 
@@ -45,6 +50,9 @@ def get_results(conn):
     all_columns = list(await db.execute('select di.name, dcs.* from dux_column_stats dcs join dux_ids di on di.id = dcs.column_id where table_id = (select id from dux_ids where name = ?)', [table]))
     string_results = []
     for column in all_columns:
+        if ok_columns and not column['name'] in ok_columns:
+            continue
+
         if column['name'] in banned_columns:
             continue
         # column__exact={}, column__contains={}
diff --git a/docs/src/pages/docs/metadata.md b/docs/src/pages/docs/metadata.md
index 30f11b7..235d60f 100644
--- a/docs/src/pages/docs/metadata.md
+++ b/docs/src/pages/docs/metadata.md
@@ -5,6 +5,8 @@ description: Learn how to control datasette-ui-extras' behaviour through metadat
 
 The read-only changes are all enabled by default.
 
+## Enable edit UI by default
+
 To enable the edit UI by default for a given table, list them in your metadata.json:
 
 ```json
@@ -25,3 +27,25 @@ You can also add `?_dux_edit=1` to the URL of a row page to get the edit view.
 
 In either case, a user will only see the edit UI if they have the [`update-row`](https://docs.datasette.io/en/latest/authentication.html#update-row)
 permission for the given table or view.
+
+## Restrict which columns are searched by omnisearch
+
+By default, any column with a string-ish type is searched by the omnisearch feature.
+
+You can instead explicitly specify the columns to be searched:
+
+```json
+{
+  "databases": {
+    "cooking": {
+      "posts": {
+        "plugins": {
+          "datasette-ui-extras": {
+            "omnisearch-columns": ["title", "owner_user_id", "post_type", "tags"]
+          }
+        }
+      }
+    }
+  }
+}
+```
diff --git a/metadata.json b/metadata.json
index 1d28004..44fe8ea 100644
--- a/metadata.json
+++ b/metadata.json
@@ -43,6 +43,13 @@
                 },
                 "users": {
                     "label_column": "display_name"
+                },
+                "posts": {
+                    "plugins": {
+                        "datasette-ui-extras": {
+                            "omnisearch-columns": ["post_type", "owner_user_id", "tags", "title"]
+                        }
+                    }
                 }
             }
         },
diff --git a/setup.py b/setup.py
index 942445b..cfa567f 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,7 @@
 from setuptools import setup
 import os
 
-VERSION = "0.28"
+VERSION = "0.29"
 
 
 def get_long_description():