diff --git a/src/components/Generator.tsx b/src/components/Generator.tsx
index 48f2151..505fea3 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`)
 
     if (recording()) {
       stopRecording()
@@ -254,6 +256,8 @@ export default () => {
   const smoothToBottom = () => toBottom('smooth')
   const instantToBottom = () => toBottom('instant')
 
+  const formatTokenCount = (messages: ChatMessage[]) => encoder() && `<=${Math.ceil(countTokens(encoder()!, messages)!.total / 1000)}k`
+
   const requestWithLatestMessage = async() => {
     setStreaming(true)
     setCurrentAssistantMessage('')
@@ -298,6 +302,13 @@ export default () => {
         setCurrentError({ code: `${res.status} ${res.statusText}`, message })
         throw new Error('Request failed')
       }
+
+      trackEvent('send', {
+        model: payload.model,
+        temperature: payload.temperature,
+        originalTokenCont: formatTokenCount((systemMsg ? [systemMsg, ...messageList()] : messageList())),
+        tokenCount: formatTokenCount(requestMessageList),
+      })
       const data = res.body
       if (!data)
         throw new Error('No data')
@@ -391,8 +402,8 @@ export default () => {
     document.dispatchEvent(new MessagesEvent('clearMessages', messageList().length + Number(Boolean(currentSystemRoleSettings()))))
     inputRef.value = ''
     inputRef.style.height = 'auto'
+    trackEvent('clear', { totalTokenCount: formatTokenCount(messageList()) })
     tokenCountCache.clear()
-    trackEvent('clear', { length: messageList().length })
     batch(() => {
       setInputValue('')
       setMessageList([])
@@ -415,7 +426,7 @@ export default () => {
 
   const retryLastFetch = () => {
     if (messageList().length > 0) {
-      trackEvent('retry', { length: messageList().length, lastMessage: messageList().at(-1)!.role })
+      trackEvent('retry', { lastMessage: messageList().at(-1)!.role })
       const lastMessage = messageList()[messageList().length - 1]
       if (lastMessage.role === 'assistant')
         setMessageList(messageList().slice(0, -1))