Speed
HTML size
Why it matters
Very large HTML documents take longer to download and parse, especially on mobile connections.
How to fix it
- Remove unused markup and inline data.
- Paginate or lazy-load very long lists.
- Make sure compression is enabled.
Check it with
- Page Size Checker – Find the total weight of a page and which images, scripts and styles are heaviest.
Scoring: a passed check earns its full weight, a warning half and an error none. How the SEO score works