HTML5 Ads Validator Javascript Errors and Missing Assets

Question

Hi,I created HTML5 ads for 6Sense and when I check the validator, the ad fails to render, I have missing assets, and 2 Javascript errors. I've tried everything and nothing works. It has to be something in the template when exporting. When I test the ad in the browser, it works fine, but when I check the ad in the validator and on 6sense, it doesn't show, and I have the same errors. Any help would be greatly appreciated.

Roy239064551nev · Accepted Answer

Hi Marley,

This is Roy, the developer of the HTML5 ad validator tool that you've used. I re-ran your creative through the scanner, and this is what I've found:

https://www.advalify.io/html5-ad-validator/s8e9w-ce605-8e49d

Your creative is not rendered due to a JavaScript error "Cannot read property 'getContext' of undefined at a.b._parseData". Furthermore, your image returns a 404 because you've used a capital in your link. The image is in the folder "Images", while you're linking to "/images/..." (with a lowercase i). The server therefore returns a 404. See here:

If you need further help, feel free to contact me 🙂

kglad · Answer

the validator is not "seeing" your images content (or your images folder).

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