| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| WordPress Themes & Plugins | |
| ContentViews WordPress plugin displaying posts in grids and layouts | 219.8K sites |
| Marketing & Email Campaigns | |
| OneSignal Platform sending push notifications and customer messages | 228.4K sites |
| Hosting & Cloud Providers | |
| Go-Daddy-Com-Llc Network operator identifier for GoDaddy hosting infrastructure | 1.6M 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 | |
| Lightbox JavaScript script displaying images in an overlay popup | 7.6M sites |
| Modernizr JavaScript library detecting browser feature support | 7.5M sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 114.7M sites |
| jQuery UI jQuery-based library of UI widgets and interactions | 7.4M sites |
| prettyPhoto jQuery lightbox library for images, video, and content | 2.3M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 77.9M sites |
| Performance & Optimization | |
| WP Rocket Premium WordPress caching and performance optimization plugin | 3.8M sites |
| SEO & Content Discovery | |
| RSS Web feed format syndicating site content for readers and aggregators | 71.1M sites |
| Fonts & Icons | |
| Font Awesome Popular icon library and toolkit for scalable web icons | 71.2M sites |
| Contact Form 7 Forms & Popups | 7.3M sites |
| Wordfence Security – Firewall, Malware Scan, and Login Security Security & Privacy | 4M sites |
| Wordfence Login Security Security & Privacy | 2.4M sites |
| Wp Rocket | 1.7M sites |
| Pum | 537.2K sites |
| Cptui | 447.7K sites |
| Popup Maker – Boost Sales, Conversions, Optins, Subscribers with the Ultimate WP Popup Builder Marketing & Email | 397.8K sites |
| Contentviews | 78.8K sites |
| BuddyPress Other | 36.3K sites |
| Pmpro | 35K sites |
| Wpuf | 8.2K sites |
| HarmonyUser Sync – Sync Users & Customers Across Multiple Sites Other | 9 sites |
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