| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 58.6M sites |
| WordPress Themes & Plugins | |
| WordPress Block Editor Block-based content editor built into modern WordPress | 12.2M sites |
| Web Analytics & Measurement | |
| Google Analytics Google platform measuring website traffic and visitor behavior | 49.9M sites |
| Google Tag Manager Tag management system deploying analytics and marketing tags without code | 53.8M sites |
| Quantcast Measure Audience measurement and analytics service | 282.2K sites |
| Advertising & Conversion Tracking | |
| Moshimo Japanese affiliate marketing and advertising network | 261.1K sites |
| Forms & Lead Capture | |
| Contact Form 7 Widely used WordPress plugin for building contact forms | 11.8M sites |
| Hosting & Cloud Providers | |
| Interq Gmo Internet Group, Inc. Network operator identifier for GMO Internet hosting | 2.7M sites |
| CDN & Edge Delivery | |
| jsDelivr Free open-source CDN for JavaScript, CSS, and assets | 17.7M sites |
| Web Servers & Operating Systems | |
| Apache HTTP Server Long-established open-source web server software | 72.1M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 93.5M sites |
| JavaScript Libraries & Widgets | |
| MetaSlider WordPress plugin creating responsive image sliders | 492.1K sites |
| RxJS Reactive programming library using observables for JavaScript. | 114.5K sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 93.8M sites |
| jQuery Migrate Compatibility shim restoring deprecated jQuery APIs for older code | 40.4M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 60.6M sites |
| Performance & Optimization | |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 65.2M sites |
| SEO & Content Discovery | |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 133.1M sites |
| RSS Web feed format syndicating site content for readers and aggregators | 55.3M sites |
| Site Kit Official WordPress plugin connecting Google search and analytics tools | 7.7M sites |
| Fonts & Icons | |
| Font Awesome Popular icon library and toolkit for scalable web icons | 58.5M sites |
| Google Font API Google service delivering free web fonts to websites | 94.4M sites |
| Contact Form 7 Forms & Popups | 10.4M sites |
| Akismet Anti-spam: Spam Protection Social & Community | 5.8M sites |
| Mcp | 5.8M sites |
| Site Kit by Google – Analytics, Search Console, AdSense, Speed Analytics | 5.6M sites |
| Metaslider | 511.6K sites |
| Cf7apps | 381.3K sites |
| BackWPup – WordPress Backup & Restore Plugin Security & Privacy | 286.1K sites |
| Cocoon | 58.9K sites |
| Plugear Review Step for Contact Form 7 Forms & Popups | 4 sites |
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