diff --git a/src/components/Generator.tsx b/src/components/Generator.tsx
index 48f2151..d084445 100644
--- a/src/components/Generator.tsx
+++ b/src/components/Generator.tsx
@@ -43,6 +43,8 @@ export default () => {
 
   const moderationInterval = Number(import.meta.env.PUBLIC_MODERATION_INTERVAL ?? '2000')
 
+  createEffect(() => currentError() && trackEvent('error', { code: currentError()!.code }))
+
   const isHigher = () => {
     const distanceToBottom = footer.offsetTop - window.innerHeight
     const currentScrollHeight = window.scrollY
@@ -201,7 +203,7 @@ export default () => {
   }
 
   const handleSubmit = async() => {
-    trackEvent(inputValue() ? 'send' : `${recording() ? 'end' : 'start'}Record`, recording() ? undefined : { length: messageList().length })
+    !inputValue() && trackEvent(`${recording() ? 'end' : 'start'}-record`, recording() ? undefined : { length: messageList().length })
 
     if (recording()) {
       stopRecording()
@@ -298,6 +300,13 @@ export default () => {
         setCurrentError({ code: `${res.status} ${res.statusText}`, message })
         throw new Error('Request failed')
       }
+
+      trackEvent('send', {
+        model: payload.model,
+        temperature: payload.temperature,
+        originalTokenCont: encoder() && countTokens(encoder()!, systemMsg ? [systemMsg, ...messageList()] : messageList())!.total,
+        tokenCount: encoder() && `<=${Math.ceil(countTokens(encoder()!, requestMessageList)!.total / 1000)}k`,
+      })
       const data = res.body
       if (!data)
         throw new Error('No data')