whatwg/html

Performance Issue: Main single-page specification loads whole spec at root URL

Aperta

#12.782 aperta il 13 ago 2026

 (5 commenti) (0 reazioni) (0 assegnatari)HTML (2520 fork)batch import
good first issuemetaspec tooling

Metriche repository

Star
 (7654 stelle)
Metriche merge PR
 (Merge medio 42g 18h) (22 PR mergiate in 30 g)

Descrizione

What is the issue with the HTML Standard?

⚠️ Performance Issue: Main single-page specification loads whole spec at root URL

Description

Navigating to the root URL (https://html.spec.whatwg.org/) loads the entire HTML Living Standard as a single, monolithic document. This creates severe browser performance issues, especially on lower-spec hardware or mobile devices.

Impact / Symptoms

  • High Memory Consumption: Loads over 15 MB of raw HTML and hundreds of thousands of DOM nodes in a single frame.
  • Browser Freezing/Crashing: Tabs often hang, become unresponsive during rendering, or crash due to memory limits.
  • Sluggish Native Search: Using Ctrl+F causes massive layout recalculation and severe input lag.

Suggested Solutions

  • Consider making the /multipage/ version the default landing view, or prominent default redirect.
  • Add an explicit, high-visibility banner at the top of the single-page view suggesting visitors switch to the /multipage/ or /dev/ edition if they experience page lag.

Guida contributor