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Web 性能分析

Web 性能分析

ID: mhpaedeeneljbnmhmofceiollddmfjcd

Extension Info & Metadata

Status
Active
Version
1.1
Size
0.41 MB
Rating
5.0/5
Reviews
3
Users
606
Type
Extension
Updated
Feb 14, 2025
Category
Developer tools
Price
Free
Featured
No
Visibility
Listed
Mature
No
By Google
No
Trusted
No
Download CRX
Chrome Web Store
Report Issue

Publisher Contextual Analysis

Author
godisView Profile
Privacy
Privacy Policy
Help
Help Center
MX records exist
Yes
Domain exists
Yes
Is disposable
No
Is role-based
No
Mailbox exists
Yes
Website
Visit
Total Extensions
1
Active
1
Obsolete
0
Listed
1
Unlisted
0
Total Users
606
Screenshot 1
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Screenshot 5

展示 Web 常见关键性能指标，页面加载瀑布流和资源数据分析等。

# 性能分析 使用 Performance API 处理数据可视化，本地使用本地展示，不会远程收集用户任何数据，展示数据也不会对当前网页造成任何破坏。 - 关键性能指标。忽略页面卸载时间、重定向时间。 1. 首包：`responseStart - domainLookupStart` 2. 首次渲染/白屏：`responseEnd - fetchStart` 3. 首次可交互：`domInteractive - fetchStart` 4. DOM Ready：`domContentLoadedEventEnd - fetchStart` 5. 页面加载：`loadEventStart - fetchStart` - 各阶段指标瀑布流 1. unLoad：`unloadEventEnd - unloadEventStart` 2. Redirect：`redirectEnd - redirectStart` 3. AppCache：`domainLookupStart - fetchStart` 4. DNS：`domainLookupEnd - domainLookupStart` 5. TCP：`connectEnd - connectStart` 6. TTFB：`responseStart - requestStart` 7. 数据传输：`responseEnd - responseStart` 8. DOM：`domContentLoadedEventStart - responseEnd` 9. DCL：`domContentLoadedEventEnd - domContentLoadedEventStart` 10. 资源加载：`loadEventStart - domContentLoadedEventEnd` 11. onLoad：`loadEventEnd - loadEventStart` - 资源分析 1. 首页资源请求数量、加载大小和域名分布情况。 2. 请求资源域名分布，与各个域名平均耗时。 3. 未设置响应头域名分布情况。 4. http 压缩情况，未压缩分布，缓存命中率。 5. 资源类型情况。 6. 显示资源加载和 ajax 请求耗时。

Item
Type
Severity
Description
contextMenus
Permission
Low
This permission adds items to browser context menus. Rated Medium because it only modifies right-click menus without access to page content.
URLs
23
IPv4
0
IPv6
0

URLs

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www.w3.org/1999/02/22-rdf-syntax-nshttp://www.w3.org/1999/02/22-rdf-syntax-ns#
ns.adobe.com/exif/1.0/http://ns.adobe.com/exif/1.0/
clients2.google.com/service/update2/crxhttps://clients2.google.com/service/update2/crx
github.com/Godiswill/web-performance-extensionhttps://github.com/Godiswill/web-performance-extension
goo.gl/nhQhGphttps://goo.gl/nhQhGp
goo.gl/2aRDshhttps://goo.gl/2aRDsh
storage.googleapis.com/workbox-cdn/releases/4.3.1/workbox-sw.jshttps://storage.googleapis.com/workbox-cdn/releases/4.3.1/workbox-sw.js
goo.gl/S9QRabhttps://goo.gl/S9QRab
www.robotstxt.org/robotstxt.htmlhttps://www.robotstxt.org/robotstxt.html
www.w3.org/2000/svghttp://www.w3.org/2000/svg
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