| Ecommerce & Shopping Carts | |
| WooCommerce Open-source ecommerce plugin turning WordPress into an online store | 10.9M sites |
| Payments & Checkout | |
| PayPal Online payment platform for sending and accepting money | 4.5M sites |
| Stripe Payment processing platform for online businesses | 1.5M sites |
| WooCommerce PayPal Payments WooCommerce extension accepting payments through PayPal | 270.8K sites |
| WooCommerce Stripe Payment Gateway WooCommerce extension accepting card payments through Stripe | 506.2K sites |
| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| Web Analytics & Measurement | |
| Matomo Analytics Open-source, privacy-focused web analytics platform | 1.9M sites |
| Hosting & Cloud Providers | |
| Easyname Austrian domain registrar and web hosting services provider. | 46.8K sites |
| Plesk Web hosting control panel for managing servers and sites | 6.6M sites |
| CDN & Edge Delivery | |
| Bunny Content delivery network for fast asset delivery | 2.7M 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 |
| Front-End Frameworks & UI Toolkits | |
| Bootstrap Popular CSS and component framework for responsive layouts | 43.5M sites |
| PWA Progressive web app technology enabling installable, offline-capable sites | 29.8M sites |
| JavaScript Libraries & Widgets | |
| MetaSlider WordPress plugin creating responsive image sliders | 669.3K sites |
| Slick Responsive carousel and slider library for web pages | 9.9M sites |
| Underscore.js JavaScript utility library offering functional programming helpers | 6.3M sites |
| imagesLoaded JavaScript utility detecting when page images have finished loading | 11M 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 |
| Redis In-memory data store used for caching and messaging | 675.1K sites |
| Redis Object Cache WordPress plugin caching database objects in Redis | 573.6K sites |
| Performance & Optimization | |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 74.5M 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 |
| Yoast | 9.2M sites |
| Jetpack – WP Security, Backup, Speed, & Growth Security & Privacy | 5.1M sites |
| Wc | 3.7M sites |
| Wccom Site | 3.7M sites |
| Wc Admin | 3.7M sites |
| Wc Analytics | 3.7M sites |
| Wc Telemetry | 3.5M sites |
| Mcp | 3.1M sites |
| Wc Admin Email | 3M sites |
| Redirection SEO | 2.6M sites |
| Yoast Duplicate Post Other | 1.8M sites |
| Ithemes Security | 754.7K sites |
| Paypal | 466.7K sites |
| Metaslider | 362.4K sites |
| Real Utils | 259.3K sites |
| Real Product Manager Wp Client | 249.4K sites |
| Health Check & Troubleshooting Other | 229.4K sites |
| BackWPup – WordPress Backup & Restore Plugin Security & Privacy | 211.2K sites |
| Real Queue | 155.9K sites |
| Real Cookie Banner: GDPR & ePrivacy Cookie Consent Security & Privacy | 155.7K sites |
| Sweep | 150.7K sites |
| Wpc | 16.2K sites |
| bunny.net – WordPress CDN Plugin Content & Media | 14.3K sites |
| Wc Prl Amplifier Provider | 4.7K sites |
| Gr4wp | 3.8K sites |
| Widerrufsbutton Commerce & Selling | 384 sites |
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