| Ecommerce & Shopping Carts | |
| WooCommerce Open-source ecommerce plugin turning WordPress into an online store | 8.5M sites |
| Payments & Checkout | |
| Afterpay Buy-now-pay-later service splitting purchases into installments | 180K sites |
| Stripe Payment processing platform for online businesses | 1.3M sites |
| WooCommerce Stripe Payment Gateway WooCommerce extension accepting card payments through Stripe | 416.3K sites |
| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 58.6M sites |
| WordPress Themes & Plugins | |
| Jetpack Automattic plugin adding security, performance, and site tools to WordPress | 2M sites |
| Web Analytics & Measurement | |
| Cloudflare Browser Insights Cloudflare real-user monitoring capturing page performance metrics | 5.4M sites |
| Google Analytics Google platform measuring website traffic and visitor behavior | 49.9M sites |
| Google Tag Manager Tag management system deploying analytics and marketing tags without code | 53.8M sites |
| Advertising & Conversion Tracking | |
| Google Ads Google advertising platform for search and display campaigns | 6M sites |
| CDN & Edge Delivery | |
| Cloudflare Global CDN and edge platform delivering and protecting websites | 208.7M sites |
| Security & Bot Defense | |
| reCAPTCHA Google service distinguishing humans from bots to block spam | 13.2M sites |
| Web Servers & Operating Systems | |
| HTTP/3 Modern web transport protocol over QUIC for faster connections | 157.2M sites |
| LiteSpeed High-performance web server known for speed and caching | 35.8M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 93.5M sites |
| JavaScript Libraries & Widgets | |
| Underscore.js JavaScript utility library offering functional programming helpers | 5M 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 | |
| LiteSpeed Cache WordPress caching and optimization plugin for LiteSpeed servers | 8.2M sites |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 65.2M sites |
| SEO & Content Discovery | |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 133.1M sites |
| RSS Web feed format syndicating site content for readers and aggregators | 55.3M sites |
| Fonts & Icons | |
| Google Font API Google service delivering free web fonts to websites | 94.4M sites |
| other | |
| ACME/Let's Encrypt Free TLS certificates issued automatically over the ACME protocol | 11.7M sites |
| Litespeed Cache | 392.6K 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 |
| Wordfence Security – Firewall, Malware Scan, and Login Security Security & Privacy | 5.8M sites |
| Mcp | 5.8M sites |
| Wc Telemetry | 5.6M sites |
| Site Kit by Google – Analytics, Search Console, AdSense, Speed Analytics | 5.6M sites |
| Litespeed | 5.5M sites |
| Wc Admin Email | 4.8M sites |
| Nps Survey | 4.6M sites |
| Wordfence Login Security Security & Privacy | 4.1M sites |
| Rankmath | 4M sites |
| Wpcom | 3.8M sites |
| My Jetpack | 3.8M sites |
| Jetpack Boost – Website Speed, Performance and Critical CSS Performance & Speed | 3.7M sites |
| Wc Push Notifications | 1.3M sites |
| WooCommerce Analytics Commerce & Selling | 615.8K sites |
| Presto Player Content & Media | 103K sites |
| Wc Ppcp | 74.3K sites |
| Widewalk – Accessibility Toolbar Design & Themes | 152 sites |
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