| Ecommerce & Shopping Carts | |
| WooCommerce Open-source ecommerce plugin turning WordPress into an online store | 8.5M sites |
| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 58.6M sites |
| WordPress Themes & Plugins | |
| Astra Lightweight, customizable WordPress theme for many site types | 4.4M sites |
| Elementor Popular drag-and-drop page builder plugin for WordPress | 17.8M sites |
| Ivory Search WordPress plugin building custom site search forms | 135.3K 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 |
| Advertising & Conversion Tracking | |
| Google AdSense Google program displaying ads and monetizing site content | 4.1M sites |
| Marketing & Email Campaigns | |
| MailChimp for WordPress WordPress plugin connecting forms to Mailchimp lists | 555.7K sites |
| Hosting & Cloud Providers | |
| Team-Blue-Denmark Network operator identifier detected via hosting infrastructure | 576.2K sites |
| CDN & Edge Delivery | |
| jsDelivr Free open-source CDN for JavaScript, CSS, and assets | 17.7M sites |
| Security & Bot Defense | |
| Really Simple SSL & Security WordPress plugin enforcing HTTPS and hardening site security | 4.9M sites |
| reCAPTCHA Google service distinguishing humans from bots to block spam | 13.2M sites |
| Web Servers & Operating Systems | |
| HTTP/3 Modern web transport protocol over QUIC for faster connections | 157.2M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 93.5M sites |
| Front-End Frameworks & UI Toolkits | |
| Bootstrap Popular CSS and component framework for responsive layouts | 39M sites |
| JavaScript Libraries & Widgets | |
| Modernizr JavaScript library detecting browser feature support | 5.9M sites |
| OWL Carousel Touch-enabled jQuery carousel and slider library | 8M sites |
| Underscore.js JavaScript utility library offering functional programming helpers | 5M sites |
| imagesLoaded JavaScript utility detecting when page images have finished loading | 8.4M sites |
| 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 |
| jQuery UI jQuery-based library of UI widgets and interactions | 7.3M sites |
| pickadate.js Lightweight JavaScript date and time picker | 212.1K sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 60.6M sites |
| Performance & Optimization | |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 65.2M sites |
| W3 Total Cache WordPress caching plugin improving site speed and performance | 1.1M sites |
| Media, Maps & Social | |
| AddToAny Social sharing buttons widget for websites | 566K sites |
| AddToAny Share Buttons WordPress plugin adding social sharing buttons | 371.4K sites |
| Chart.js JavaScript library rendering charts on HTML canvas | 1.1M 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 |
| 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 |
| other | |
| MailChimp | 42.5K sites |
| Yoast | 13.7M sites |
| Site Kit by Google – Analytics, Search Console, AdSense, Speed Analytics | 5.6M sites |
| Wpforms | 3.9M sites |
| Awb | 698.1K sites |
| iubenda | All-in-one Compliance for GDPR / CCPA Cookie Consent + more Security & Privacy | 217.3K sites |
| Wdonline_lvm Live Visitors | 6 sites |
| WDOnline Content Sections Design & Themes | 4 sites |
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