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Gap between TTFB and next call
03-02-2016, 06:24 AM
Post: #1
Gap between TTFB and next call
My test results are quite ok, but I noticed a blank between the 1st call (TTFB) and the other calls for the CSS, js and other files.

I'm wondering if someone knows why this blank appears, and what potentially could be done to remove it. As you can see this gap is approximately 300ms, so quite a gap when it comes to SEO.

Thanks
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03-11-2016, 06:57 AM
Post: #2
RE: Gap between TTFB and next call
Can you refer the WPT test that you are referencing?

Try to re-run the test with Chrome and enable the "Capture Dev Tools Timeline" on the "Chrome" tab. You should typically see a high CPU usage when this gap occurs. It will be the time when your browser is parsing the downloaded HTML and processing in-line styles and scripts.

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03-11-2016, 10:26 PM
Post: #3
RE: Gap between TTFB and next call
Thanks for your help and hint kshayranganath

I could see the high CPU usage which explains this gap.

Cheers
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