| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 56.5M sites |
| WordPress Themes & Plugins | |
| HashThemes Total Multipurpose WordPress theme by HashThemes. | 85.8K sites |
| Web Analytics & Measurement | |
| Google Analytics Google platform measuring website traffic and visitor behavior | 48.2M sites |
| Google Tag Manager Tag management system deploying analytics and marketing tags without code | 52.2M sites |
| Google Tag Manager for WordPress WordPress plugin integrating Google Tag Manager into sites | 455.7K sites |
| Advertising & Conversion Tracking | |
| DoubleClick Floodlight Google tag tracking conversions from advertising campaigns | 3.3M sites |
| Forms & Lead Capture | |
| Contact Form 7 Widely used WordPress plugin for building contact forms | 11.5M sites |
| Business Email & Productivity | |
| Microsoft 365 Microsoft suite for business email, office apps, and collaboration | 18.9M sites |
| Hosting & Cloud Providers | |
| Cldin-Nl Your Hosting B.V. Part Of Your.Online Network operator identifier detected via hosting infrastructure | 702.4K sites |
| Security & Bot Defense | |
| reCAPTCHA Google service distinguishing humans from bots to block spam | 12.9M sites |
| Privacy & Cookie Consent | |
| Cookiebot Cookie consent and compliance management solution | 973.9K sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 89.1M sites |
| JavaScript Libraries & Widgets | |
| Slider Revolution Popular slider and visual content builder for WordPress sites | 4.9M sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 90.4M sites |
| jQuery Migrate Compatibility shim restoring deprecated jQuery APIs for older code | 39.3M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 58.4M sites |
| Performance & Optimization | |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 59.8M sites |
| SEO & Content Discovery | |
| Google Generic Google service or script detected on the site | 34.7M sites |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 122.9M sites |
| RSS Web feed format syndicating site content for readers and aggregators | 53.2M sites |
| Yoast SEO WordPress plugin managing on-page SEO, sitemaps, and metadata | 16M sites |
| Fonts & Icons | |
| Google Font API Google service delivering free web fonts to websites | 87.6M sites |
| other | |
| Cybot Danish maker of the Cookiebot consent management tool | 174.7K sites |
| DigiCert/Azure TLS certificates issued by DigiCert for Microsoft Azure services | 1.2M sites |
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