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Total page weight

A page that's too large loads slowly.

What it is

Page weight is the sum of all downloaded resources — HTML, CSS, JS, images, fonts, videos. The larger it is, the longer it takes and the more data is transferred.

Why it matters

Heavy pages load slowly, especially on mobile and limited data. A large part of the weight tends to be in unoptimized images and bulky JavaScript.

How to do it

  1. 1Optimize images (format, compression, dimensions, lazy loading) — usually the biggest saving.
  2. 2Minify and combine CSS/JS, remove unused code.
  3. 3Enable compression and caching.
  4. 4Limit heavy external scripts and embeds (widgets, maps, videos) — load them only on demand.

Conclusion

Address page weight top-down: images and JavaScript first (the largest parts), then compression and caching. A lighter page = faster loading, better Core Web Vitals, and a lower bounce rate, especially on mobile.

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