Update index.html

index.html

@@ -1145,8 +1145,8 @@
               max_new_tokens: 128, 
               do_sample: false,
               callback_function: (tokens) => {
-                // Record TTFT on first token
-                if (!ttftRecorded && tokens.length > 0) {
+                // Record TTFT on first callback (first token generated)
+                if (!ttftRecorded) {
                   ttft = performance.now() - generationStart;
                   ttftRecorded = true;
                   console.log(`⚡ Time to First Token (TTFT): ${ttft.toFixed(2)}ms`);