Fixup

main.go

@@ -30,42 +30,28 @@ func MeasureTTFB(url string, cookie string) (int64, int, error) {
 
     // If a cookie is provided, set it in the request header.
     if cookie != "" {
+        // Clean up and format the cookie properly
+        cookie = strings.TrimSpace(cookie)
+        if !strings.Contains(cookie, "=") {
+            return 0, 0, fmt.Errorf("invalid cookie format")
+        }
         req.Header.Set("Cookie", cookie)
     }
 
-    // Create a channel to capture the time to first byte
+    // Record the start time.
-    ttfbChan := make(chan int64)
-    errorChan := make(chan error)
-    statusCodeChan := make(chan int)
-
-    // Record the start time
     start := time.Now()
 
-    go func() {
+    // Perform the request.
-        // Perform the request
     resp, err := client.Do(req)
     if err != nil {
-            errorChan <- err
+        return 0, 0, err
-            return
     }
     defer resp.Body.Close()
 
-        // Measure the time taken to receive the first byte
+    // Measure the time taken to receive the first byte.
     ttfb := time.Since(start).Milliseconds()
-        ttfbChan <- ttfb
-        statusCodeChan <- resp.StatusCode
 
-        // Read the body to ensure we handle the response properly
+    return ttfb, resp.StatusCode, nil
-        _, _ = ioutil.ReadAll(resp.Body)
-    }()
-
-    select {
-    case ttfb := <-ttfbChan:
-        statusCode := <-statusCodeChan
-        return ttfb, statusCode, nil
-    case err := <-errorChan:
-        return 0, 0, err
-    }
 }
 
 func main() {