| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| WordPress Themes & Plugins | |
| Twenty Sixteen Default WordPress theme released with the 2016 version | 186.3K sites |
| Hosting & Cloud Providers | |
| Cloudpit Network operator and cloud hosting provider. | 233.5K sites |
| Privacy & Cookie Consent | |
| Cookie Notice WordPress plugin displaying a cookie consent notice | 1.2M sites |
| Web Servers & Operating Systems | |
| Nginx High-performance web server and reverse proxy widely deployed | 153.2M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 114.2M sites |
| JavaScript Libraries & Widgets | |
| Moment.js JavaScript library for parsing and formatting dates | 2.7M sites |
| Select2 JavaScript library enhancing select boxes with search and tags | 1.8M sites |
| Tablesorter jQuery plugin for client-side table sorting. | 168.5K sites |
| 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 |
| Wordfence Security – Firewall, Malware Scan, and Login Security Security & Privacy | 4M sites |
| Wordfence Login Security Security & Privacy | 2.4M sites |
| Llar | 873.8K sites |
| Font Awesome Other | 351.6K sites |
| Compliance by Hu-manity.co Security & Privacy | 315.6K sites |
| Aam | 93K sites |
| Statify Analytics | 71.4K sites |
| Coauthors | 18.4K sites |
| Groups – Memberships and Access Control Commerce & Selling | 8.9K sites |
| Fdm | 21 sites |
| CommonsBooking Productivity & Operations | 21 sites |
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