diff --git a/src/lib/constants.js b/src/lib/constants.js
index 0efb1400..f794027c 100644
--- a/src/lib/constants.js
+++ b/src/lib/constants.js
@@ -225,9 +225,19 @@ export const SPECIAL_EVENTS = {
   API_ERROR: 'API Error',
   NOT_FOUND_404: '404 Not Found',
 
-  // Performance
+  // Performance - Web Vitals
   PAGE_LOAD_TIME: 'Page Load Time',
   API_RESPONSE_TIME: 'API Response Time',
+  WEB_VITALS_LCP: 'Web Vitals - LCP',  // Largest Contentful Paint
+  WEB_VITALS_FCP: 'Web Vitals - FCP',  // First Contentful Paint
+  WEB_VITALS_CLS: 'Web Vitals - CLS',  // Cumulative Layout Shift
+  WEB_VITALS_FID: 'Web Vitals - FID',  // First Input Delay
+  WEB_VITALS_TTFB: 'Web Vitals - TTFB', // Time to First Byte
+
+  // Performance - First Screen
+  FIRST_SCREEN_INTERACTIVE: 'First Screen Interactive',  // 首屏可交互时间
+  RESOURCE_LOAD_COMPLETE: 'Resource Load Complete',      // 资源加载完成
+  SKELETON_DISPLAYED: 'Skeleton Displayed',              // 骨架屏展示
 
   // Scroll depth
   SCROLL_DEPTH_25: 'Scroll Depth 25%',