| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| WordPress Themes & Plugins | |
| wpBakery Drag-and-drop page builder plugin for WordPress | 4.3M sites |
| Web Analytics & Measurement | |
| Google Analytics Google platform measuring website traffic and visitor behavior | 59.7M sites |
| Google Tag Manager Tag management system deploying analytics and marketing tags without code | 63.8M sites |
| Google Tag Manager for WordPress WordPress plugin integrating Google Tag Manager into sites | 596.7K sites |
| Customer Chat & Support | |
| Joinchat WordPress plugin connecting visitors to WhatsApp chat | 805.7K sites |
| WhatsApp Business Chat Widget letting visitors start WhatsApp conversations with businesses | 5.9M sites |
| Hosting & Cloud Providers | |
| IONOS Web hosting and domain provider offering managed plans | 12.6M sites |
| Security & Bot Defense | |
| Really Simple SSL & Security WordPress plugin enforcing HTTPS and hardening site security | 6.4M sites |
| reCAPTCHA Google service distinguishing humans from bots to block spam | 16M sites |
| Privacy & Cookie Consent | |
| CookieYes Cookie consent and GDPR compliance banner solution | 3.1M sites |
| Web Servers & Operating Systems | |
| Apache HTTP Server Long-established open-source web server software | 79.2M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 114.2M sites |
| JavaScript Libraries & Widgets | |
| Animate.css CSS library providing ready-made animation effects | 7.6M sites |
| Modernizr JavaScript library detecting browser feature support | 7.5M sites |
| ProgressBar.js JavaScript library rendering animated progress bars | 764.3K sites |
| Slider Revolution Popular slider and visual content builder for WordPress sites | 6.6M 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 |
| prettyPhoto jQuery lightbox library for images, video, and content | 2.3M sites |
| waitForImages jQuery plugin firing callbacks after images finish loading | 511.9K sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 77.9M sites |
| SEO & Content Discovery | |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 151.8M sites |
| RSS Web feed format syndicating site content for readers and aggregators | 71.1M sites |
| Yoast SEO WordPress plugin managing on-page SEO, sitemaps, and metadata | 21.4M sites |
| Fonts & Icons | |
| Font Awesome Popular icon library and toolkit for scalable web icons | 71.2M sites |
| Google Font API Google service delivering free web fonts to websites | 105.7M sites |
| Yoast | 9.2M sites |
| Wordfence Security – Firewall, Malware Scan, and Login Security Security & Privacy | 4M sites |
| Akismet Anti-spam: Spam Protection Social & Community | 4M sites |
| Wordfence Login Security Security & Privacy | 2.4M sites |
| Yoast Duplicate Post Other | 1.8M sites |
| Sliderrevolution | 1.1M sites |
| Cky | 1.1M sites |
| Cookieyes | 482.7K sites |
| Ninja Forms Views | 438.6K sites |
| Ninja Forms Submissions | 426.2K sites |
| Joinchat | 206.3K sites |
| Qode Api | 121.6K sites |
| WP Global Site Tag Analytics | 2.9K sites |
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