NoticeTechnical
HTML Page Too Large: How to Fix It
The HTML document is larger than 500 KB.
Quick fix: Keep HTML under 500 KB. Remove inline data, unused markup, and large embedded scripts or styles.
Why it matters for SEO
Large HTML takes longer to download and parse, especially on mobile networks. Google also stops reading HTML after about 15 MB.
How to fix it
- 1Move inline CSS and JavaScript into external files.
- 2Remove large embedded data, such as base64 images or big JSON blobs.
- 3Paginate very long lists.
- 4Enable gzip or Brotli compression.
Frequently asked questions
Do images count toward HTML size?
Only if embedded as base64 inside the HTML. Normal image files are separate.
What is a typical HTML size?
Most well-built pages are 30 to 150 KB uncompressed.
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