| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 58.6M sites |
| Hosting & Cloud Providers | |
| Internetgroup-Cloud | 2.8K sites |
| Privacy & Cookie Consent | |
| CookieYes Cookie consent and GDPR compliance banner solution | 2.4M sites |
| Web Servers & Operating Systems | |
| Apache HTTP Server Long-established open-source web server software | 72.1M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 93.5M sites |
| JavaScript Libraries & Widgets | |
| Animate.css CSS library providing ready-made animation effects | 6.1M sites |
| FancyBox JavaScript lightbox library for displaying images and media | 2.2M sites |
| Moment.js JavaScript library for parsing and formatting dates | 2.2M sites |
| OWL Carousel Touch-enabled jQuery carousel and slider library | 8M sites |
| WOW JavaScript library revealing CSS animations on scroll | 4.2M sites |
| imagesLoaded JavaScript utility detecting when page images have finished loading | 8.4M sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 93.8M sites |
| jQuery Migrate Compatibility shim restoring deprecated jQuery APIs for older code | 40.4M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 60.6M sites |
| Performance & Optimization | |
| WordPress Super Cache WordPress plugin generating static cached pages for speed | 966.8K sites |
| Media, Maps & Social | |
| YouTube Video hosting platform whose players embed into web pages | 6.6M sites |
| SEO & Content Discovery | |
| RSS Web feed format syndicating site content for readers and aggregators | 55.3M sites |
| Fonts & Icons | |
| Font Awesome Popular icon library and toolkit for scalable web icons | 58.5M sites |
| Google Font API Google service delivering free web fonts to websites | 94.4M sites |
| Wordfence Security – Firewall, Malware Scan, and Login Security Security & Privacy | 5.8M sites |
| Wordfence Login Security Security & Privacy | 4.1M sites |
| Cky | 1.5M sites |
| WP Super Cache Performance & Speed | 1.5M sites |
| Regenerate Thumbnails Other | 1.1M sites |
| Post SMTP – Complete Email Delivery and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App Other | 425.1K sites |
| Psd | 400.5K sites |
| Voting | 71 sites |
| Coinsnap Bitcoin Voting Other | 6 sites |
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