OnPage SEO Analyzer

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "name": "OnPage SEO Analyzer",
    "version": "1.0",
    "description": "Private and open-source SEO analyzer, with no tracking, no ads, no bullsh*t.",
    "icons": {
        "128": "icon.png"
    },
    "permissions": [
        "activeTab",
        "scripting"
    ],
    "background": {
        "service_worker": "background.js"
    },
    "action": {
        "default_popup": "popup.html",
        "default_icon": "icon.png"
    },
    "content_scripts": [
        {
            "matches": [
                "<all_urls>"
            ],
            "js": [
                "contentScript.js"
            ]
        }
    ]
}