| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 58.6M sites |
| WordPress Themes & Plugins | |
| Neve Fast, lightweight multipurpose WordPress theme | 273.9K sites |
| Otter Blocks Gutenberg blocks and page building plugin for WordPress. | 119.2K sites |
| WordPress Block Editor Block-based content editor built into modern WordPress | 12.2M sites |
| Web Analytics & Measurement | |
| Google Analytics Google platform measuring website traffic and visitor behavior | 49.9M sites |
| Google Tag Manager Tag management system deploying analytics and marketing tags without code | 53.8M sites |
| Forms & Lead Capture | |
| Mailcheck JavaScript utility suggesting corrections for mistyped email addresses | 902K sites |
| Business Email & Productivity | |
| Microsoft 365 Microsoft suite for business email, office apps, and collaboration | 19.4M sites |
| Communications | |
| SendGrid Cloud email delivery service for transactional and marketing mail | 3.9M sites |
| Hosting & Cloud Providers | |
| Hetzner German provider of dedicated servers and cloud hosting | 10.1M sites |
| Web Servers & Operating Systems | |
| Apache HTTP Server Long-established open-source web server software | 72.1M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 93.5M sites |
| JavaScript Libraries & Widgets | |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 93.8M sites |
| jQuery Migrate Compatibility shim restoring deprecated jQuery APIs for older code | 40.4M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 60.6M sites |
| Media, Maps & Social | |
| Polylang WordPress plugin for building multilingual and translated sites | 407.5K sites |
| SEO & Content Discovery | |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 133.1M sites |
| RSS Web feed format syndicating site content for readers and aggregators | 55.3M sites |
| Site Kit Official WordPress plugin connecting Google search and analytics tools | 7.7M sites |
| Yoast SEO WordPress plugin managing on-page SEO, sitemaps, and metadata | 16.4M sites |
| Yoast SEO Premium Premium WordPress SEO plugin with advanced optimization features | 1.5M sites |
| Fonts & Icons | |
| Font Awesome Popular icon library and toolkit for scalable web icons | 58.5M sites |
| Google Font API Google service delivering free web fonts to websites | 94.4M sites |
| Yoast | 13.7M sites |
| Site Kit by Google – Analytics, Search Console, AdSense, Speed Analytics | 5.6M sites |
| Pll | 826.9K sites |
| Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder Forms & Popups | 684K sites |
| Otter | 264.3K sites |
| Nv | 252.9K sites |
| Optml | 202.9K sites |
| Adsagent | 179.3K sites |
| Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI Forms & Popups | 72K sites |
| Spc | 71.9K sites |
| AI Content Rinse: Text & Metadata Cleaner Security & Privacy | 3 sites |
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