diff --git a/src/app/browser/window/tab/item/page.rs b/src/app/browser/window/tab/item/page.rs
index f26d8341..d743f34a 100644
--- a/src/app/browser/window/tab/item/page.rs
+++ b/src/app/browser/window/tab/item/page.rs
@@ -221,16 +221,26 @@ impl Page {
                     }
                 }
             }
-            Request::Search(ref query) => {
-                // try autocomplete scheme prefix @TODO optional resolve timeout
-                if self.navigation.request.to_gemini(500).is_none() {
-                    // make search request to default provider @TODO optional
-                    self.navigation.request.widget.entry.set_text(&format!(
-                        "gemini://tlgs.one/search?{}",
-                        Uri::escape_string(query, None, false)
-                    ));
-                }
-                self.load(true)
+            Request::Search(query) => {
+                // try autocomplete scheme and request it on successful resolve
+                // otherwise make search request @TODO optional search provider
+                self.navigation
+                    .request
+                    .to_gemini_async(500, Some(&self.client.cancellable()), {
+                        let tab_action = self.tab_action.clone();
+                        move |result| {
+                            tab_action.load.activate(
+                                Some(&match result {
+                                    Some(url) => url,
+                                    None => gformat!(
+                                        "gemini://tlgs.one/search?{}",
+                                        Uri::escape_string(&query, None, false)
+                                    ),
+                                }),
+                                true,
+                            )
+                        }
+                    });
             }
         };
     }
diff --git a/src/app/browser/window/tab/item/page/navigation/request.rs b/src/app/browser/window/tab/item/page/navigation/request.rs
index 54a8cfc0..bbc98524 100644
--- a/src/app/browser/window/tab/item/page/navigation/request.rs
+++ b/src/app/browser/window/tab/item/page/navigation/request.rs
@@ -99,11 +99,26 @@ impl Request {
         self.widget.entry.set_text(&self.source());
     }
 
-    pub fn to_gemini(&self, resolver_timeout: u32) -> Option<GString> {
-        self.gemini(resolver_timeout).and_then(|url| {
-            self.widget.entry.set_text(&url);
-            Some(url)
-        })
+    /// Asynchronously try replace `Self` entry value with valid, resolvable Gemini request
+    /// * callback with `None` if current value does not compatible with Gemini scheme
+    pub fn to_gemini_async(
+        &self,
+        resolver_timeout: u32,
+        cancellable: Option<&Cancellable>,
+        callback: impl FnOnce(Option<GString>) + 'static,
+    ) {
+        self.gemini_async(resolver_timeout, cancellable, {
+            let entry = self.widget.entry.clone();
+            move |result| {
+                callback(match result {
+                    Some(url) => {
+                        entry.set_text(&url);
+                        Some(url)
+                    }
+                    None => None,
+                })
+            }
+        });
     }
 
     // Getters
@@ -145,7 +160,14 @@ impl Request {
         gformat!("source:{}", self.strip_prefix())
     }
 
-    pub fn gemini(&self, resolver_timeout: u32) -> Option<GString> {
+    /// Asynchronously get valid, resolvable Gemini request for current `Self` entry value
+    /// * callback with `None` if current value does not compatible with Gemini scheme
+    pub fn gemini_async(
+        &self,
+        resolver_timeout: u32,
+        cancellable: Option<&Cancellable>,
+        callback: impl FnOnce(Option<GString>) + 'static,
+    ) -> Option<GString> {
         // suggest scheme
         let url = gformat!("gemini://{}", self.strip_prefix().trim());
 
@@ -156,13 +178,13 @@ impl Request {
 
         // is connectable
         if let Ok(connectable) = NetworkAddress::parse_uri(&url, 1965) {
-            // is resolvable @TODO async
-            if resolver
-                .lookup_by_name(&connectable.hostname(), Cancellable::NONE)
-                .is_ok()
-            {
-                return Some(url);
-            }
+            // is resolvable
+            resolver.lookup_by_name_async(&connectable.hostname(), cancellable, move |result| {
+                callback(match result {
+                    Ok(_) => Some(url),
+                    Err(_) => None,
+                })
+            });
         }
         None
     }