Page experience rules
Speed, stability, mobile and security. Rarely the reason a page ranks, often the reason a good page loses a tie.
Reviewed Oct 30, 2026 · next review Nov 2, 2026
Rules in force 3 of 42 in the rulebook
High impact 1 fix these first
Official 100% 3 from engine docs
Retired 1 in this area
Impact split
- High impact 1
- Medium impact 1
- Low impact 1
Engines covered
Rules in this area that apply to each engine
- Google 3 of 3
- Bing 1 of 3
- ChatGPT 0 of 3
- Perplexity 0 of 3
- Gemini 0 of 3
- Claude 0 of 3
High impact 1
27 High impact Official
Serve the same content, links and markup on mobile as on desktop
Google completed mobile-first indexing in October 2023, so it indexes the mobile version of your pages.
Medium impact 1
28 Medium impact Official
Keep LCP under 2.5 s, INP under 200 ms and CLS under 0.1 at the 75th percentile
Google states Core Web Vitals are used by its ranking systems, measured on the 75th percentile of real page loads split by mobile and desktop.
Low impact 1
29 Low impact Official
Serve every page over HTTPS and avoid interstitials that block the main content
Google's page experience guidance asks whether pages are served securely and whether they avoid intrusive interstitials.
No longer works 1
Stop optimizing for First Input Delay; INP replaced it
Do insteadTrack INP in field data and aim for 200 ms or less