Speedtest by Ookla
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HTML5 Speedtest by Ookla - The world’s most trusted internet speedtest

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Fast.com is sooooo much easier to use. Speedtest.net feels like the 2000s, Fast.com is now
I'd definitely have to agree. Fast is my go to.
I had some issues with my internet connection and spent half a day running Fast.com tests. For some reason I also ran one Speedtest and what I discovered was that Fast was giving me totally invalid results.
yeah for detailed results speedtest.net but to just quickly check what up, then just launch fast.com and you'll know the results in 2 seconds without annoying ads etc
I personally think that all these people converted to Fast.com this fast because Speedtest.net was so f-d up. Ads, slow UI etc. Today showing only 1 ad to people drives insane traffic away... cc
It's worth noting that Ookla was bought by Comcast, though that's not necessarily an indictment. Another HTML5 alternative that also works on mobile is EDIT: I'm wrong, thanks for the correction. I'm not sure about the source of my misinformation. Apologies.
Maker
Ookla, the company behind Speedtest, is a wholly owned subsidiary of Ziff Davis that operates independently. There is not a single ISP or carrier that owns us or has a say in what we do. Many ISPs and carriers are partners and customers of ours - having any bias would be bad business.
didn't work for me sadly.
Why's HTML5 mentioned in the title?
The current speedtest by ookla is a flash app, looks like they are transitioning to a HTML5 app. Probably this announcement by Google Chrome scared them:
Not really because of the announcement, has been available for quite a few months already.
Doesn't work for me :( Edit: uBlock was blocking it
If you whitelist "" you can continue blocking the rest.
Thanks it better without all these 5 blocks of ads! :)
There aren't enough ads on the page. Just use fast.com
Happy to see that speedtest.net has ditched flash in favor of HTML5. I can confirm that HTML5 ads do in fact load faster than flash ads.
Is there any advantage to doing the test via the mobile app vs mobile web browser?
Maker
Our mobile apps are optimized to test the nuances of mobile internet. To most accurately diagnose your mobile internet speeds, the app is the way to go.
what nuances are you looking out for? how is the mobile app specifically optimized to measure them?
Right, "trusted". Plenty of ISPs have been known to prioritize traffic from Ookla to show a fast speed. is a much more accurate indicator of speed because it downloads from Netflix servers.
do you have a source for this?
Brilliant! Flash is slowly dying and Ookla's speed test still uses Flash. HTML 5 support is a brilliant idea, and moreover Ookla can now support mobile devices as well.
Maker
Thanks so much!
Nice that it shows you up and down speeds, and doesn't rely on flash. However, most of the time I only care about my down speed and have been using without any issues.
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