diff --git a/analytics/analytics_package/analytics/static_site/README.md b/analytics/analytics_package/analytics/static_site/README.md
index 98166245e..7ce6ee676 100644
--- a/analytics/analytics_package/analytics/static_site/README.md
+++ b/analytics/analytics_package/analytics/static_site/README.md
@@ -52,9 +52,9 @@ For apps with dataset/project detail tables, a `title_resolver` callback enriche
     ├── config.json
     ├── meta.json
     ├── monthly_traffic.json
-    ├── pageviews.json
-    ├── outbound_links.json
-    ├── filter_selected.json
+    ├── pageviews.json                # top 100 rows
+    ├── outbound_links.json           # top 100 rows
+    ├── filter_selected.json          # top 100 rows
     ├── file_downloads.json
     ├── custom_events.json
     ├── access_requests.json          # AnVIL only
diff --git a/analytics/analytics_package/analytics/static_site/export.py b/analytics/analytics_package/analytics/static_site/export.py
index 3920743fa..28791ddc2 100644
--- a/analytics/analytics_package/analytics/static_site/export.py
+++ b/analytics/analytics_package/analytics/static_site/export.py
@@ -19,8 +19,16 @@
 )
 from .fetch import event_key
 
+# Row cap for the exports the template renders as a fixed slice (top 20
+# pageviews and outbound links, top 30 filter selections); 100 leaves headroom
+# for UI changes while keeping page-load payloads and monthly regen diffs
+# bounded (e.g. AnVIL Portal shipped 1,810 pageviews rows). Event detail tables,
+# access requests and search queries stay uncapped on purpose — the template
+# renders every one of their rows.
+MAX_TABLE_EXPORT_ROWS = 100
 
-def export_df_as_json(df, col_map, change_col, filename, output_dir):
+
+def export_df_as_json(df, col_map, change_col, filename, output_dir, max_rows=None):
     """Export a DataFrame to JSON with column renaming and NaN handling.
 
     Args:
@@ -29,7 +37,13 @@ def export_df_as_json(df, col_map, change_col, filename, output_dir):
         change_col: Source column name for the change metric (may be absent).
         filename: Output JSON filename.
         output_dir: Output directory.
+        max_rows: Maximum number of rows to export; the top rows are kept, so
+            df is expected to be sorted by relevance. None exports all rows.
     """
+    total_rows = 0 if df is None else len(df)
+    if max_rows is not None and total_rows > max_rows:
+        df = df.head(max_rows)
+        print(f"  Capped {filename} at top {max_rows} of {total_rows} rows")
     if df is None or len(df) == 0:
         records = []
     else:
@@ -96,6 +110,7 @@ def export_data(data, config, current_month, analytics_start, custom_events, out
         METRIC_PAGE_VIEWS["change_alias"],
         "pageviews.json",
         output_dir,
+        max_rows=MAX_TABLE_EXPORT_ROWS,
     )
 
     print("Exporting outbound links data...")
@@ -105,6 +120,7 @@ def export_data(data, config, current_month, analytics_start, custom_events, out
         SYNTHETIC_METRIC_CLICKS["change_alias"],
         "outbound_links.json",
         output_dir,
+        max_rows=MAX_TABLE_EXPORT_ROWS,
     )
 
     print("Exporting filter selections data...")
@@ -114,6 +130,7 @@ def export_data(data, config, current_month, analytics_start, custom_events, out
         METRIC_EVENT_COUNT["change_alias"],
         "filter_selected.json",
         output_dir,
+        max_rows=MAX_TABLE_EXPORT_ROWS,
     )
 
     # File downloads