🆚 WCAG vs. XFN

The Web Content Accessibility Guidelines (WCAG) are an international standard developed by the W3C that defines how to make web content, including text and media, accessible to people with disabilities.

They are technology-agnostic and structured around four core principles (perceivable, operable, understandable, and robust) and define testable success criteria with three conformance levels (A, AA, AAA) used to evaluate accessibility compliance.

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XHTML Friends Network (XFN) is an HTML microformat that represents human relationships by adding relationship metadata to hyperlinks between websites and profiles.

It defines a set of standardized link relationship values such as friend, colleague, spouse, and acquaintance through the HTML "rel" attribute, and may be used by blogs, social networks, and personal websites to describe social connections in a machine-readable format.

Popularity

Determined by the number of sites using each technology.

• ⬆️ 23rd most popular in Hong Kong in the Standards category.
• ⬆️ 28th most popular in Greece in the Standards category.
• ⬆️ 34th most popular in Spain in the Standards category.
• ⬆️ 35th most popular in Italy in the Standards category.
• ⬆️ 37th most popular in India in the Standards category.

• ⭐ 6th most popular in Bhutan in the Standards category.
• ⭐ 6th most popular in Sierra Leone in the Standards category.
• ⭐ 7th most popular in Iran in the Standards category.
• ⭐ 7th most popular in Nigeria in the Standards category.
• ⭐ 7th most popular in Kenya in the Standards category.

Top sites

Top-ranked sites that use these technologies.

Compare alternatives

Technologies with similar characteristics.

• WCAG vs. CSS
• WCAG vs. HTML
• WCAG vs. JSON
• WCAG vs. RSD
• WCAG vs. Pingback

• XFN vs. RSD
• XFN vs. XHTML
• XFN vs. RDF
• XFN vs. XRDS
• XFN vs. FOAF

• WCAG technology profile
• W3C company profile

• XFN technology profile