| Ecommerce & Shopping Carts | |
| WooCommerce Open-source ecommerce plugin turning WordPress into an online store | 10.9M sites |
| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M 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 |
| Advertising & Conversion Tracking | |
| DoubleClick Floodlight Google tag tracking conversions from advertising campaigns | 3.3M sites |
| Business Email & Productivity | |
| SpamExperts Email spam filtering and inbound mail security. | 563K sites |
| Hosting & Cloud Providers | |
| Oniaas Network operator and autonomous system for internet infrastructure. | 138.4K 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 | |
| React JavaScript library for building component-based user interfaces | 30.2M sites |
| JavaScript Libraries & Widgets | |
| Floating UI JavaScript library for positioning tooltips, popovers, and floating elements. | 28.5K 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 | |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 74.5M sites |
| SEO & Content Discovery | |
| Google Generic Google service or script detected on the site | 32.3M sites |
| 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 | |
| Google Font API Google service delivering free web fonts to websites | 105.7M sites |
| other | |
| ACME/Let's Encrypt Free TLS certificates issued automatically over the ACME protocol | 11.7M sites |
| Yoast | 9.2M sites |
| Jetpack – WP Security, Backup, Speed, & Growth Security & Privacy | 5.1M sites |
| Wordfence Security – Firewall, Malware Scan, and Login Security Security & Privacy | 4M 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 |
| Wc Admin Email | 3M sites |
| Wordfence Login Security Security & Privacy | 2.4M sites |
| Divi | 1.8M sites |
| Hub Connector | 1.2M sites |
| Wpmudev_pcs | 878.7K sites |
| Paypal | 466.7K sites |
| Forminator Forms – Contact Form, Payment Form & Custom Form Builder Forms & Popups | 464.4K sites |
| Payments | 438.2K sites |
| Klaviyo Commerce & Selling | 63.1K sites |
| Affwp | 13.3K sites |
| MooWoodle – WordPress Moodle LMS Integration, Sell Moodle Courses via WooCommerce Other | 222 sites |
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