| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| WordPress Themes & Plugins | |
| Astra Lightweight, customizable WordPress theme for many site types | 5.8M sites |
| Gutenberg Block-based content editor project for WordPress | 2.4M sites |
| Spectra WordPress plugin adding blocks and templates to the editor | 830.3K sites |
| WordPress Block Editor Block-based content editor built into modern WordPress | 15.7M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 114.2M sites |
| JavaScript Libraries & Widgets | |
| Slick Responsive carousel and slider library for web pages | 9.9M sites |
| Smart Slider 3 WordPress plugin building responsive sliders and galleries | 689K sites |
| imagesLoaded JavaScript utility detecting when page images have finished loading | 11M 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 | |
| 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 |
| 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 |
| Anym-Net | 7.5K sites |
| MailBaby SMTP relay and outbound email delivery service | 521K sites |
| Nps Survey | 3M sites |
| Astra | 1.9M sites |
| Zipwp | 1.1M sites |
| Gutenberg Templates | 1.1M sites |
| Zipwp Images | 1.1M sites |
| Uag | 543.4K sites |
| Spectra | 542K sites |
| Metaslider | 362.4K sites |
| Optml | 138K sites |
| Photo Gallery by FooGallery : Responsive Image Gallery, Masonry Gallery & Carousel Content & Media | 128K sites |
| SiteSEO – SEO Simplified SEO | 11.1K sites |
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