| Ecommerce & Shopping Carts | |
| WooCommerce Open-source ecommerce plugin turning WordPress into an online store | 8.3M sites |
| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 57.6M sites |
| WordPress Themes & Plugins | |
| Elementor Popular drag-and-drop page builder plugin for WordPress | 17.5M sites |
| OceanWP Flexible, lightweight multipurpose WordPress theme | 657.1K sites |
| Web Analytics & Measurement | |
| Google Analytics Google platform measuring website traffic and visitor behavior | 49M sites |
| Google Tag Manager Tag management system deploying analytics and marketing tags without code | 53M sites |
| Business & Collaboration Apps | |
| Calendly Scheduling tool letting visitors book meetings online | 730.3K sites |
| Hosting & Cloud Providers | |
| OVH European hosting and cloud infrastructure provider | 8.8M sites |
| Privacy & Cookie Consent | |
| Cookie Notice WordPress plugin displaying a cookie consent notice | 918.4K sites |
| Web Servers & Operating Systems | |
| Apache HTTP Server Long-established open-source web server software | 70.4M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 91.4M sites |
| JavaScript Libraries & Widgets | |
| FlexSlider Responsive jQuery slider and carousel library | 403.4K sites |
| Lightbox JavaScript script displaying images in an overlay popup | 5.9M sites |
| Magnific Popup Responsive lightbox and popup library for images and content | 6.3M sites |
| Underscore.js JavaScript utility library offering functional programming helpers | 4.9M sites |
| imagesLoaded JavaScript utility detecting when page images have finished loading | 8.3M sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 92.3M sites |
| jQuery Migrate Compatibility shim restoring deprecated jQuery APIs for older code | 39.8M sites |
| parallax.js JavaScript library creating parallax scrolling background effects | 4.9M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 59.5M sites |
| Performance & Optimization | |
| Autoptimize WordPress plugin minifying and optimizing scripts, styles, and HTML | 964.6K sites |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 62.4M sites |
| SEO & Content Discovery | |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 127.7M sites |
| RSS Web feed format syndicating site content for readers and aggregators | 54.2M sites |
| Site Kit Official WordPress plugin connecting Google search and analytics tools | 7.6M sites |
| Fonts & Icons | |
| Font Awesome Popular icon library and toolkit for scalable web icons | 57.4M sites |
| Elementor Website Builder – more than just a page builder Design & Themes | 13.4M sites |
| Elementor Ai | 11.1M sites |
| Jetpack – WP Security, Backup, Speed, & Growth Security & Privacy | 8.4M sites |
| Wc | 5.9M sites |
| Wccom Site | 5.8M sites |
| Wc Admin | 5.8M sites |
| Wc Analytics | 5.8M sites |
| Wc Telemetry | 5.6M sites |
| Site Kit by Google – Analytics, Search Console, AdSense, Speed Analytics | 5.6M sites |
| Wc Admin Email | 4.8M sites |
| Rankmath | 4M sites |
| Redirection SEO | 3.6M sites |
| Wc Push Notifications | 1.3M sites |
| Wpraddons | 501.7K sites |
| Wpr Addons | 348.2K sites |
| Swiss Bitcoin Pay Payments & Checkout | 37 sites |
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