| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| Web Analytics & Measurement | |
| Datadog Monitoring and observability platform for applications and infrastructure | 69K sites |
| 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 |
| Advertising & Conversion Tracking | |
| Google Ads Google advertising platform for search and display campaigns | 7.2M sites |
| Google Ads Conversion Tracking Tag measuring conversions from Google advertising campaigns | 5M sites |
| Marketing & Email Campaigns | |
| Trustpilot Platform collecting and displaying customer reviews and ratings | 838.5K sites |
| Business Email & Productivity | |
| Google Workspace Google suite for business email, docs, and collaboration tools | 20.2M sites |
| Hosting & Cloud Providers | |
| AWS Amazon cloud platform offering compute, storage, and hosting services | 103.5M sites |
| Google Cloud Google cloud platform for hosting, compute, and storage | 42.9M sites |
| CDN & Edge Delivery | |
| Cloudflare Global CDN and edge platform delivering and protecting websites | 161.4M sites |
| Google Cloud CDN Google content delivery network serving cached content from edges | 38.5M sites |
| Security & Bot Defense | |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 131.7M sites |
| reCAPTCHA Google service distinguishing humans from bots to block spam | 16M sites |
| Privacy & Cookie Consent | |
| OneTrust Privacy, consent, and compliance management platform | 3.3M sites |
| Web Servers & Operating Systems | |
| HTTP/3 Modern web transport protocol over QUIC for faster connections | 149.4M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 114.2M sites |
| Front-End Frameworks & UI Toolkits | |
| Bootstrap Popular CSS and component framework for responsive layouts | 43.5M sites |
| PWA Progressive web app technology enabling installable, offline-capable sites | 29.8M sites |
| React JavaScript library for building component-based user interfaces | 30.2M 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 |
| Media, Maps & Social | |
| Wistia Business video hosting with embeddable players and viewer analytics. | 206.5K sites |
| SEO & Content Discovery | |
| 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 |
| other | |
| Dreamdata Revenue attribution and marketing analytics for B2B companies | 9.5K sites |
| VWO A/B testing and conversion optimization platform for websites | 61.4K sites |
| Yoast | 9.2M sites |
| WP-Stateless – Google Cloud Storage Security & Privacy | 3.2K sites |
| Jobs | 376 sites |
| Simple Resources Plugin Other | 208 sites |
| Lexic | 46 sites |
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