| Payments & Checkout | |
| Stripe Payment processing platform for online businesses | 1.5M sites |
| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| WordPress Themes & Plugins | |
| Astra Lightweight, customizable WordPress theme for many site types | 5.8M sites |
| Elementor Popular drag-and-drop page builder plugin for WordPress | 23.4M sites |
| Essential Addons for Elementor WordPress plugin adding widgets and extensions to Elementor | 951.7K sites |
| CDN & Edge Delivery | |
| Cloudflare Global CDN and edge platform delivering and protecting websites | 161.4M sites |
| Web Servers & Operating Systems | |
| HTTP/3 Modern web transport protocol over QUIC for faster connections | 149.4M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 114.2M sites |
| JavaScript Libraries & Widgets | |
| Swiper Modern touch slider and carousel library for web and mobile | 25M 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 |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 77.9M sites |
| Performance & Optimization | |
| Optimole WordPress image optimization and delivery service. | 72.7K sites |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 74.5M sites |
| Media, Maps & Social | |
| Leaflet JavaScript library for building interactive maps | 1.1M 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 |
| Google Font API Google service delivering free web fonts to websites | 105.7M sites |
| other | |
| Cloudflare for SaaS Custom hostname and certificate management for SaaS providers on Cloudflare | 873.1K sites |
| Elementor Website Builder – more than just a page builder Design & Themes | 8.8M sites |
| Elementor Ai | 7.1M sites |
| Elementor One | 5.7M sites |
| Nps Survey | 3M sites |
| Wpforms | 2.2M sites |
| Astra | 1.9M sites |
| Ai1wm | 1.2M sites |
| Objectcache | 796.6K sites |
| Two Factor Security & Privacy | 644.8K sites |
| Wpaas | 527.4K sites |
| Wp Site Designer | 527.3K sites |
| Ninja Forms Views | 438.6K sites |
| Ninja Forms Submissions | 426.2K sites |
| Gdl | 342.5K sites |
| Cleantalk Antispam | 246.1K sites |
| Wpchill | 180.7K sites |
| Optml | 138K sites |
| Strong Testimonials Other | 38.7K sites |
| Feedzy | 32.4K sites |
| InstaWP Connect – 1-click WP Staging & Migration Security & Privacy | 16.1K sites |
| Payment Page – Stripe Payment Forms for Donations, Subscriptions & Recurring Payments Payments & Checkout | 192 sites |
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