SiteSpeed Checker

Displays page load speed using Google PageSpeed Insights API

Premium users can view and search full source code, and see the source code differences between two versions.

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "SiteSpeed Checker",
  "description": "Displays page load speed using Google PageSpeed Insights API",
  "version": "1.0",
  "icons": {
    "16": "icon.png",
    "48": "icon.png",
    "128": "icon.png"
  },
  "action": {
    "defaul_title": "Click Me",
    "default_popup": "popup.html"
  },
  "options_page": "options.html",
  "permissions": [
    "activeTab",
    "tabs"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://*/*",
        "http://*/*"
      ],
      "js": [
        "contentScript.js"
      ]
    }
  ],
  "host_permissions": [
    "https://www.googleapis.com/pagespeedonline/v5/runPagespeed*"
  ]
}