| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| WordPress Themes & Plugins | |
| The Events Calendar WordPress plugin managing and displaying events and calendars | 967.3K sites |
| Web Analytics & Measurement | |
| ExactMetrics WordPress plugin connecting sites to Google Analytics | 170.4K sites |
| Google Analytics Google platform measuring website traffic and visitor behavior | 59.7M sites |
| Google Tag Manager Tag management system deploying analytics and marketing tags without code | 63.8M sites |
| Advertising & Conversion Tracking | |
| Google AdSense Google program displaying ads and monetizing site content | 4.7M sites |
| Hosting & Cloud Providers | |
| Imh-Iad Network operator identifier for InMotion hosting | 205.2K sites |
| Web Servers & Operating Systems | |
| Apache HTTP Server Long-established open-source web server software | 79.2M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 114.2M sites |
| JavaScript Libraries & Widgets | |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 114.7M sites |
| jQuery Migrate Compatibility shim restoring deprecated jQuery APIs for older code | 53M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 77.9M sites |
| Performance & Optimization | |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 74.5M sites |
| Media, Maps & Social | |
| ShareThis Social sharing buttons and engagement widget for sites | 527.1K sites |
| SEO & Content Discovery | |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 151.8M sites |
| RSS Web feed format syndicating site content for readers and aggregators | 71.1M sites |
| Site Kit Official WordPress plugin connecting Google search and analytics tools | 10.4M sites |
| Fonts & Icons | |
| Font Awesome Popular icon library and toolkit for scalable web icons | 71.2M sites |
| other | |
| ACME/Let's Encrypt Free TLS certificates issued automatically over the ACME protocol | 11.7M sites |
| Aweber Email marketing and autoresponder service for small businesses | 50.7K sites |
| Jetpack – WP Security, Backup, Speed, & Growth Security & Privacy | 5.1M sites |
| Akismet Anti-spam: Spam Protection Social & Community | 4M sites |
| Site Kit by Google – Analytics, Search Console, AdSense, Speed Analytics | 3.9M sites |
| Wpcom | 2.2M sites |
| My Jetpack | 2.1M sites |
| Jetpack Boost – Website Speed, Performance and Critical CSS Performance & Speed | 2.1M sites |
| tribe Other | 497.5K sites |
| Awb | 489.7K sites |
| Tec | 409.2K sites |
| Exactmetrics | 188.5K sites |
| Post Duplicator Content & Media | 154.8K sites |
| MtphrPostDuplicatorSettings | 129.5K sites |
| Get | 33.9K sites |
| Squirrly | 19.9K sites |
| Test | 19.1K sites |
| Save | 18.7K sites |
| Tpgb | 5.9K sites |
| Nexter Blocks – Gutenberg Blocks, Page Builder & AI Website Builder Design & Themes | 5.9K sites |
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