Free Responsive Web Design Tool by Google. Test your websites on mobile.
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Responsive mobile test by Google tools:
Basic link: https://www.google.com/webmasters/tools/mobile-friendly
//add my website url
= free responsive website tester
Tested template: Template preview
Pros: It’s Free, Online, test with URL, you can immediately send the link to a client or friend or embed on your page.
Cons: it’s goooogle