| Payments & Checkout | |
| PayPal Online payment platform for sending and accepting money | 4.5M 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 |
| Sales & CRM | |
| Keap CRM and marketing automation platform for small businesses. | 21.5K sites |
| Hosting & Cloud Providers | |
| DigitalOcean Cloud hosting provider offering virtual servers and services | 2.3M sites |
| Privacy & Cookie Consent | |
| Cookie Notice WordPress plugin displaying a cookie consent notice | 1.2M 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 |
| JavaScript Libraries & Widgets | |
| MetaSlider WordPress plugin creating responsive image sliders | 669.3K 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 |
| 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 |
| Site Kit Official WordPress plugin connecting Google search and analytics tools | 10.4M sites |
| Yoast SEO WordPress plugin managing on-page SEO, sitemaps, and metadata | 21.4M sites |
| Yoast | 9.2M sites |
| Site Kit by Google – Analytics, Search Console, AdSense, Speed Analytics | 3.9M sites |
| Objectcache | 796.6K sites |
| Metaslider | 362.4K sites |
| Metagallery | 27.7K sites |
| Extendify Design & Themes | 10K sites |
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