Guidance

Government policy, web protocol, guidelines and best practices used to develop the ScanGov Standards.

Topics	Guidance	Standards
	21st Century Integrated Digital Experience Act (IDEA) Modernizes government websites and digital services.	Hypertext Transfer Protocol Secure (HTTPS) HTTP Strict Transport Security (HSTS)
	Cybersecurity Performance Goals Voluntary, high-impact security practices.	security.txt Hypertext Transfer Protocol Secure (HTTPS) HTTP Strict Transport Security (HSTS)
	U.S. federal website standards Improves accessibility, consistency and user experience.	Page title Page description
	Memorandum (M-23-22) Delivering a digital-first public experience.	Hypertext Transfer Protocol Secure (HTTPS) HTTP Strict Transport Security (HSTS)
	Open Graph Improves how social media content shows.	Open Graph site name Open Graph type Open Graph title Open Graph description Open Graph url Open Graph image Open Graph image alt
	RFC 9116 A file format to aid in security vulnerability disclosure.	security.txt
	security.txt Contact file for reporting security issues.	security.txt
	sitemaps.org Website sitemap standards.	sitemap.xml
	Web Content Accessibility Guidelines (WCAG) Rules for making websites accessible.	WCAG color contrast WCAG mobile affordances WCAG names and labels WCAG navigation WCAG ARIA attributes WCAG internationalization WCAG audio and video WCAG tables and lists WCAG hidden content
	The Web Robots Pages Guidelines for controlling search engine crawling.	robots.txt
	Website Security (CISA) Protect websites from cyber threats.	Content security policy (CSP)) Hypertext Transfer Protocol Secure (HTTPS) HTTP Strict Transport Security (HSTS)
	Web Vitals / Core Web Vitals Google's speed, interaction, and stability metrics.	Cumulative Layout Shift (CLS) First Contentful Paint (FCP) Interaction to Next Paint (INP) Largest Contentful Paint (LCP) Time to First Byte (TTFB)