Started to get to grips with the OWASP ZAP tool, and can't solve the problem related to the ZAP HUD.

Why does the ZAP HUD frames (on the left- and right-hand sides of page) on some sites (like Github) contain full set of tools, but on other sites (like google) it doesn't?

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As example, at Google, nothing happens when I click on the green add tool button

1 Answer 1


In the second case the HUD has failed to load :( If this happens then try refreshing your browser.

If it happens consistently then feel free to raise an issue, telling us which browser and sites are not working: https://github.com/zaproxy/zap-hud/issues

The HUD is actually injected using a set of particularly nasty techniques and unfortunately they do not always work.

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