| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| Hosting & Cloud Providers | |
| Firebase Google backend platform providing hosting, database, and auth services | 1.6M sites |
| Oracle Cloud Oracle cloud platform for hosting and compute services | 2.7M 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 | |
| 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 | |
| Endurance Page Cache Page caching system used on Endurance and Bluehost WordPress hosting. | 2.4M sites |
| SEO & Content Discovery | |
| RSS Web feed format syndicating site content for readers and aggregators | 71.1M sites |
| Jetpack – WP Security, Backup, Speed, & Growth Security & Privacy | 5.1M sites |
| Wpcom | 2.2M sites |
| My Jetpack | 2.1M sites |
| Jetpack Boost – Website Speed, Performance and Critical CSS Performance & Speed | 2.1M sites |
| Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App Marketing & Email | 306.5K sites |
| Psd | 287.7K sites |
| Pda Ip Block | 2.1K sites |
| Pda | 2.1K sites |
| Pda Memberships Integration | 2.1K sites |
| Pda Magic Link | 2.1K sites |
| Ht Ai Search | 1.1K sites |
| Pup | 368 sites |
| Pda Get Ip Block | 308 sites |
| Pda Ar | 308 sites |
| Pda Get User Access | 308 sites |
| Pda Get User Roles Ip Block | 308 sites |
| Pda Insert User Roles | 308 sites |
| Authorizelwp | 127 sites |
| OTP Login With Phone Number, OTP Verification Other | 7 sites |
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