| # | Technology | Reach |
| 1 |
 Charset Declaration directive, specified via an HTML meta tag or HTTP headers, defines the character encoding used to interpret text in a web document. |
88.7% |
| 2 |
 CSS A stylesheet language used to control the presentation of HTML and XML documents, defining layout, colors, typography, and responsive behavior across different devices. |
86.7% |
| 3 |
 HTML A markup language used to create web pages and is the de facto standard for documents displayed in web browsers. |
85% |
| 4 |
 ARIA A W3C technical specification that defines how to improve the accessibility of web content and applications, particularly those with dynamic interfaces and custom controls. |
61.9% |
| 5 |
 JSON-LD A lightweight linked data format used to embed structured data into web pages in a machine-readable form. |
37% |
| 6 |
⏳ Lazy loading A technique to load non-critical images and iframes marked with the loading="lazy" attribute only when needed. |
31.8% |
| 7 |
 DNS Prefetch The rel="dns-prefetch" attribute on HTML elements instructs web browsers to resolve domain names for external resources before those resources are requested. |
30.1% |
| 8 |
 SearchAction A structured data type from Schema.org that describes a website's search capability. |
27% |
| 9 |
Web Storage A browser API and client-side key-value database that allows websites to store persistent data on users' devices. |
27% |
| 10 |
 Preconnect The rel="preconnect" attribute on HTML elements instructs browsers to establish early connections to external origins before resources are requested. |
22.8% |
| 11 |
 Preload The rel="preload" attribute on HTML elements instructs web browsers to fetch important resources early before they are requested during page rendering. |
19.9% |
| 12 |
Microdata An HTML specification used to embed structured metadata within web page content by annotating elements with machine-readable attributes. |
15% |
| 13 |
 CSP The Content-Security-Policy HTTP response header and meta tag are used to control what resources a given page can load. |
14% |
| 14 |
 Table Element The HTML element represents tabular data and has been widely used in the past for designing layouts. |
11.3% |
| 15 |
 Progressive Web App A type of web app that can be installed on a device and run as a standalone application while being delivered through the web. |
8.2% |
| 16 |
 Video Element The HTML element, introduced in HTML5. |
6.6% |
| 17 |
 XMLHttpRequest A JavaScript API to create HTTP requests. |
6.2% |
| 18 |
 Fetch A modern XMLHttpRequest alternative for fetching network resources. |
4.8% |
| 19 |
 XHTML An XML-based markup language that extends HTML 4. |
4.3% |
| 20 |
 Font Element The HTML element, deprecated since HTML 4. |
4% |
| 21 |
Navigation Timing A part of the Performance API that provides metrics related to navigation from one page to another. |
3.5% |
| 22 |
 Beacon API Used to send asynchronous and non-blocking requests to a web server. |
3.4% |
| 23 |
 CORS An HTTP header-based mechanism used to safely bypass same-origin policy and allow requests to other domains. |
3.3% |
| 24 |
 Template Element The HTML element, introduced in HTML5. |
3.2% |
| 25 |
 Prefetch The rel="prefetch" attribute on HTML elements tells the browser to download resources that are likely to be needed for future navigation when the current page is idle. |
1.2% |
| 26 |
 Trace Context Defines standard HTTP headers and a value format for propagating context information that enables distributed tracing. |
0.9% |
| 27 |
PerformanceObserver A part of the Performance API that is used to monitor performance measurement events. |
0.8% |
| 28 |
 RDFa An extension to HTML5 that embeds structured metadata within page content by adding attributes based on the RDF data model. |
0.7% |
| 29 |
 Canvas Element A standard HTML element used to render graphics, animations, and interactive visual content through scripting. |
0.6% |
| 30 |
 Object Element The HTML element. |
0.5% |
| 31 |
 Dialog Element The HTML element. |
0.5% |
| 32 |
 Audio Element The HTML element, introduced in HTML5. |
0.4% |
| 33 |
 Text The plain text document format. |
0.4% |
| 34 |
 XML A markup language and file format for storing, transmitting, and reconstructing structured data in a platform-independent way. |
0.3% |
| 35 |
 Embed Element The HTML element. |
0.3% |
| 36 |
 Frame Element The HTML element, deprecated in HTML 5. |
0.3% |
| 37 |
 Geolocation API Allows web applications to retrieve the user's location, including latitude and longitude. |
0.2% |
| 38 |
 RDF A W3C standard model for describing and exchanging graph-based data on the web. |
0.2% |
| 39 |
IndexedDB A transactional NoSQL database system for the persistent storage of structured data inside a user's browser. Free |
0.05% |
| 40 |
 WebAssembly A portable binary instruction format that runs in modern web browsers with near-native performance, enabling frontend coding in languages that were not traditionally used for web interfaces, such as C/C++, C#, and Rust. |
0.05% |
| 41 |
 Webmention A simple protocol to notify any URL when a website links to it, and for web pages to request notifications when somebody links to them. |
0.05% |
| 42 |
 Notifications API Used to configure and display desktop notifications to the user. |
0.03% |
| 43 |
 Screen Orientation API Exposes the current type and angle of the device's screen orientation, and dispatches events when it changes. |
0.03% |
| 44 |
 WCAG The Web Content Accessibility Guidelines are an international standard developed by the W3C that defines how to make web content, including text and media, accessible to people with disabilities. |
0.02% |
| 45 |
 Bgsound Element The obsolete HTML element. |
0.01% |
| 46 |
 ESI A simple markup language used to define web page components for dynamic assembly and delivery of web applications at the edge of the Internet. |
0.01% |
| 47 |
 Applet Element The HTML element, deprecated in HTML 4.01. |
0.007% |
| 48 |
 IndieAuth A decentralized identity protocol built on top of OAuth 2.0. |
0.005% |
| 49 |
 Micropub An HTTP-based client-server protocol used to create, update, and delete posts on servers using third-party clients. |
0.003% |
| 50 |
 Math Element The HTML element. |
0.002% |
| 51 |
 XSLT A language designed for transforming XML documents into other documents. |
0.001% |
| 52 |
 Amaya A discontinued open source WYSIWYG web editor. Legacy |
|