diff --git a/src/app.rs b/src/app.rs
index a80db5e..c01333a 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -342,7 +342,7 @@ impl Summary {
         for tile_id in config.request_tiles(cx.view_interval) {
             config
                 .data_source
-                .fetch_summary_tile(&self.entry_id, tile_id);
+                .fetch_summary_tile(&self.entry_id, tile_id, false);
             self.tiles.insert(tile_id, None);
         }
     }
diff --git a/src/archive_data.rs b/src/archive_data.rs
index eeee0e9..da61fd7 100644
--- a/src/archive_data.rs
+++ b/src/archive_data.rs
@@ -222,7 +222,8 @@ impl<T: DeferredDataSource> DataSourceArchiveWriter<T> {
                 match entry_id.last_index().unwrap() {
                     EntryIndex::Summary => {
                         for tile_id in tile_ids {
-                            self.data_source.fetch_summary_tile(entry_id, *tile_id);
+                            self.data_source
+                                .fetch_summary_tile(entry_id, *tile_id, full);
                         }
                     }
                     EntryIndex::Slot(..) => {
diff --git a/src/data.rs b/src/data.rs
index f49445a..3da97f5 100644
--- a/src/data.rs
+++ b/src/data.rs
@@ -207,7 +207,7 @@ pub struct SlotMetaTile {
 
 pub trait DataSource {
     fn fetch_info(&self) -> DataSourceInfo;
-    fn fetch_summary_tile(&self, entry_id: &EntryID, tile_id: TileID) -> SummaryTile;
+    fn fetch_summary_tile(&self, entry_id: &EntryID, tile_id: TileID, full: bool) -> SummaryTile;
     fn fetch_slot_tile(&self, entry_id: &EntryID, tile_id: TileID, full: bool) -> SlotTile;
     fn fetch_slot_meta_tile(&self, entry_id: &EntryID, tile_id: TileID, full: bool)
         -> SlotMetaTile;
@@ -215,7 +215,12 @@ pub trait DataSource {
 
 pub trait DataSourceMut {
     fn fetch_info(&mut self) -> DataSourceInfo;
-    fn fetch_summary_tile(&mut self, entry_id: &EntryID, tile_id: TileID) -> SummaryTile;
+    fn fetch_summary_tile(
+        &mut self,
+        entry_id: &EntryID,
+        tile_id: TileID,
+        full: bool,
+    ) -> SummaryTile;
     fn fetch_slot_tile(&mut self, entry_id: &EntryID, tile_id: TileID, full: bool) -> SlotTile;
     fn fetch_slot_meta_tile(
         &mut self,
@@ -229,8 +234,13 @@ impl<T: DataSource> DataSourceMut for T {
     fn fetch_info(&mut self) -> DataSourceInfo {
         DataSource::fetch_info(self)
     }
-    fn fetch_summary_tile(&mut self, entry_id: &EntryID, tile_id: TileID) -> SummaryTile {
-        DataSource::fetch_summary_tile(self, entry_id, tile_id)
+    fn fetch_summary_tile(
+        &mut self,
+        entry_id: &EntryID,
+        tile_id: TileID,
+        full: bool,
+    ) -> SummaryTile {
+        DataSource::fetch_summary_tile(self, entry_id, tile_id, full)
     }
     fn fetch_slot_tile(&mut self, entry_id: &EntryID, tile_id: TileID, full: bool) -> SlotTile {
         DataSource::fetch_slot_tile(self, entry_id, tile_id, full)
diff --git a/src/deferred_data.rs b/src/deferred_data.rs
index fb1cfde..361e578 100644
--- a/src/deferred_data.rs
+++ b/src/deferred_data.rs
@@ -5,7 +5,7 @@ use crate::data::{
 pub trait DeferredDataSource {
     fn fetch_info(&mut self);
     fn get_infos(&mut self) -> Vec<DataSourceInfo>;
-    fn fetch_summary_tile(&mut self, entry_id: &EntryID, tile_id: TileID);
+    fn fetch_summary_tile(&mut self, entry_id: &EntryID, tile_id: TileID, full: bool);
     fn get_summary_tiles(&mut self) -> Vec<SummaryTile>;
     fn fetch_slot_tile(&mut self, entry_id: &EntryID, tile_id: TileID, full: bool);
     fn get_slot_tiles(&mut self) -> Vec<SlotTile>;
@@ -42,9 +42,9 @@ impl<T: DataSourceMut> DeferredDataSource for DeferredDataSourceWrapper<T> {
         std::mem::take(&mut self.infos)
     }
 
-    fn fetch_summary_tile(&mut self, entry_id: &EntryID, tile_id: TileID) {
+    fn fetch_summary_tile(&mut self, entry_id: &EntryID, tile_id: TileID, full: bool) {
         self.summary_tiles
-            .push(self.data_source.fetch_summary_tile(entry_id, tile_id));
+            .push(self.data_source.fetch_summary_tile(entry_id, tile_id, full));
     }
 
     fn get_summary_tiles(&mut self) -> Vec<SummaryTile> {
@@ -112,9 +112,9 @@ impl<T: DeferredDataSource> DeferredDataSource for CountingDeferredDataSource<T>
         self.finish_request(result)
     }
 
-    fn fetch_summary_tile(&mut self, entry_id: &EntryID, tile_id: TileID) {
+    fn fetch_summary_tile(&mut self, entry_id: &EntryID, tile_id: TileID, full: bool) {
         self.start_request();
-        self.data_source.fetch_summary_tile(entry_id, tile_id)
+        self.data_source.fetch_summary_tile(entry_id, tile_id, full)
     }
 
     fn get_summary_tiles(&mut self) -> Vec<SummaryTile> {
@@ -153,8 +153,8 @@ impl DeferredDataSource for Box<dyn DeferredDataSource> {
         self.as_mut().get_infos()
     }
 
-    fn fetch_summary_tile(&mut self, entry_id: &EntryID, tile_id: TileID) {
-        self.as_mut().fetch_summary_tile(entry_id, tile_id)
+    fn fetch_summary_tile(&mut self, entry_id: &EntryID, tile_id: TileID, full: bool) {
+        self.as_mut().fetch_summary_tile(entry_id, tile_id, full)
     }
 
     fn get_summary_tiles(&mut self) -> Vec<SummaryTile> {
diff --git a/src/http/client.rs b/src/http/client.rs
index 63a75d4..5754284 100644
--- a/src/http/client.rs
+++ b/src/http/client.rs
@@ -71,13 +71,14 @@ impl DeferredDataSource for HTTPClientDataSource {
         std::mem::take(&mut self.infos.lock().unwrap())
     }
 
-    fn fetch_summary_tile(&mut self, entry_id: &EntryID, tile_id: TileID) {
+    fn fetch_summary_tile(&mut self, entry_id: &EntryID, tile_id: TileID, full: bool) {
         let req = TileRequestRef { entry_id, tile_id };
-        let url = self
+        let mut url = self
             .baseurl
             .join("summary_tile/")
             .and_then(|u| u.join(&req.to_slug()))
             .expect("invalid baseurl");
+        url.set_query(Some(&format!("full={}", full)));
         self.request::<SummaryTile>(url, self.summary_tiles.clone());
     }
 
diff --git a/src/http/server.rs b/src/http/server.rs
index 508c449..9cab1cb 100644
--- a/src/http/server.rs
+++ b/src/http/server.rs
@@ -41,6 +41,7 @@ async fn fetch_info(state: web::Data<AppState>) -> Result<impl Responder> {
 #[get("/summary_tile/{entry_id}/{tile_id}")]
 async fn fetch_summary_tile(
     path: web::Path<TileRequestPath>,
+    query: web::Query<TileQuery>,
     state: web::Data<AppState>,
 ) -> Result<impl Responder> {
     let path = path
@@ -48,7 +49,7 @@ async fn fetch_summary_tile(
         .map_err(|e| error::ErrorBadRequest(format!("bad request: {}", e)))?;
     let result = state
         .data_source
-        .fetch_summary_tile(&path.entry_id, path.tile_id);
+        .fetch_summary_tile(&path.entry_id, path.tile_id, query.full);
     encode(result)
 }
 
diff --git a/src/main.rs b/src/main.rs
index a5ec123..690a47a 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -272,7 +272,12 @@ impl DataSourceMut for RandomDataSource {
         self.info.clone()
     }
 
-    fn fetch_summary_tile(&mut self, entry_id: &EntryID, tile_id: TileID) -> SummaryTile {
+    fn fetch_summary_tile(
+        &mut self,
+        entry_id: &EntryID,
+        tile_id: TileID,
+        _full: bool,
+    ) -> SummaryTile {
         let utilization = self.generate_summary(entry_id);
 
         let mut tile_utilization = Vec::new();
diff --git a/src/parallel_data.rs b/src/parallel_data.rs
index 6fd8880..248f6ad 100644
--- a/src/parallel_data.rs
+++ b/src/parallel_data.rs
@@ -39,12 +39,12 @@ impl<T: DataSource + Send + Sync + 'static> DeferredDataSource for ParallelDefer
         std::mem::take(&mut self.infos.lock().unwrap())
     }
 
-    fn fetch_summary_tile(&mut self, entry_id: &EntryID, tile_id: TileID) {
+    fn fetch_summary_tile(&mut self, entry_id: &EntryID, tile_id: TileID, full: bool) {
         let entry_id = entry_id.clone();
         let data_source = self.data_source.clone();
         let summary_tiles = self.summary_tiles.clone();
         rayon::spawn(move || {
-            let result = data_source.fetch_summary_tile(&entry_id, tile_id);
+            let result = data_source.fetch_summary_tile(&entry_id, tile_id, full);
             summary_tiles.lock().unwrap().push(result);
         });
     }