Cory's SEO Check

Checks for the presence of tags on the current page

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manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Cory's SEO Check",
  "description": "Checks for the presence of tags on the current page",
  "version": "1.0",
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon16.jpg",
      "48": "icon48.jpg",
      "128": "icon128.jpg"
    }
  },
  "permissions": [
    "activeTab"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "icons": {
    "16": "icon16.jpg",
    "48": "icon48.jpg",
    "128": "icon128.jpg"
  }
}