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Page Speed Checklist
Tick off the front end performance items that matter and watch your score climb as you fix them.
Front end performance checklist
Images
CSS and JavaScript
Fonts
Server and caching
Score: 0%
Items done: 0 of 19
Rating: Needs work
Tick the items you have already handled.
How to use the Page Speed Checklist
- Read each checklist item and tick the ones your page already handles.
- Watch the score and the rating update as you work through the four groups.
- Copy the report and use the unticked items as your next task list.
Features
- Nineteen items across four groups
- Live score and rating as you tick
- Group totals and outstanding items
- Copyable plain text report
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Frequently Asked Questions
Common questions about the free online page speed checklist.
It is a practical list of front end performance items you can work through before running a
full laboratory or field test.
The score is the share of checklist items you have ticked, shown as a percentage so you can
track progress as you fix items.
Images, fonts and unused JavaScript usually carry the largest cost, so start with the image
and script groups first.
No. It complements field data and laboratory tools by making sure the common front end
problems are dealt with first.
Yes. The copy button writes a plain text report with the score, the group totals and every
item you have not ticked yet.
Browsers reserve space for images with known dimensions, which prevents layout shifts as the
page loads.
It defers images and frames that are off screen until the visitor scrolls near them, cutting
the bytes needed for the first view.
No. The checklist is a local page and your ticks are never sent anywhere or saved on a
server.
Last updated: October 10, 2026