| Payments & Checkout | |
| PayPal Online payment platform for sending and accepting money | 4.7M sites |
| Web Analytics & Measurement | |
| Google Analytics Google platform measuring website traffic and visitor behavior | 61.2M sites |
| Advertising & Conversion Tracking | |
| DoubleClick Ad Exchange (AdX) Google programmatic advertising exchange serving display ads | 220.3K sites |
| Google AdSense Google program displaying ads and monetizing site content | 4.8M sites |
| Hosting & Cloud Providers | |
| IONOS Web hosting and domain provider offering managed plans | 13M sites |
| Web Servers & Operating Systems | |
| Apache HTTP Server Long-established open-source web server software | 82.9M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 118.1M sites |
| JavaScript Libraries & Widgets | |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 118.1M sites |
| SEO & Content Discovery | |
| RSS Web feed format syndicating site content for readers and aggregators | 72.9M sites |
| Fonts & Icons | |
| Gravatar Service serving globally recognized avatar images by email | 1.3M sites |
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