| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 77.2M sites |
| Hosting & Cloud Providers | |
| Bluehost/EIG Web hosting provider offering shared and WordPress plans | 2.6M sites |
| Web Servers & Operating Systems | |
| Nginx High-performance web server and reverse proxy widely deployed | 160.7M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 117.2M sites |
| JavaScript Libraries & Widgets | |
| Lightbox JavaScript script displaying images in an overlay popup | 7.7M sites |
| parallax.js JavaScript library creating parallax scrolling background effects | 6M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 79.4M sites |
| SEO & Content Discovery | |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 158.1M sites |
| RSS Web feed format syndicating site content for readers and aggregators | 72.4M sites |
| other | |
| ACME/Let's Encrypt Free TLS certificates issued automatically over the ACME protocol | 11.7M 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 |
| Newfold Marketplace | 442K sites |
| Newfold Data | 442K sites |
| Newfold Sso | 442K sites |
| Newfold Notifications | 440.3K sites |
| Newfold Coming Soon | 438.7K sites |
| Newfold Installer | 438.7K sites |
| Newfold Features | 438.4K sites |
| Mojo | 54.1K sites |
| AnimFolio – Animated Portfolio & Resume Builder Other | 2 sites |
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