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Questions tagged [ttfb]

TTFB stands for "time to first byte", a metric that indicates the time elapsed between the time a remote computer establishes a connection to a website and the time the first byte of data is sent back to the remote computer. This is often measured in milliseconds.

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1 answer
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Which is more important in terms of SEO? TTFB or page fully loaded speed?

In terms of SEO, which is more important? Time to First Byte or page load speed? I ask because with Cloudflare our TTFB is 25% faster than without, but the time to fully load the page and its ...
Steve's user avatar
  • 1,466
2 votes
1 answer
1k views

gstatic.com/generate_204 believed to be slowing down my website

We recently are experiencing issues where our website is taking over a minute to load and when looking into the webpagetest results to see what can be causing the issue, a new (we believe it to be new ...
ne0nlight's user avatar
  • 195
0 votes
0 answers
36 views

How to know which of two hosting companies would give me better TTFB?

I have a website with a principally all core MediaWiki (no added CSS/JS, no backend customizations, no addons) which is also imageless (there are no images); Webpages are generally only text of up to ...
user avatar
0 votes
1 answer
21 views

Does TTFB refers to loading a webpage totally or just until fold?

Does TTFB refers to loading a webpage totally or just until fold? By fold I mean to the fold as in "Render blocking Above-The-Fold content".
user avatar
1 vote
1 answer
781 views

High TTFB on NGINX for specific cached static resources

I am trying to optimize the following page: https://123tinki.com/nl-nl/c/geperste-hondenbrokken It is served by an NGINX reverse proxy. Static content like .js and .css is cached by the NGINX server. ...
Peter de Bruijn's user avatar
2 votes
1 answer
343 views

Should we improve time to first byte or Page Speed Insights score for SEO?

Google posted last summer that "page speed" will impact the search result rankings also on mobile devices. But I think there is a little confusion about the term "page speed". The test tool which ...
OASE Software GmbH's user avatar
2 votes
0 answers
990 views

3 seconds to TTFB in CloudFront

I'm trying to improve the speed of a site and I've noticed that it takes 3 seconds to download some images from CloudFront. To download a 18kb image it takes 3 seconds: And it's a Hit from ...
Diego Jancic's user avatar
1 vote
0 answers
64 views

OCSP Stapling still connecting to OCSP server

Goal: Decrease the Time to First Byte on a server that uses Extended SSL validation. Possible Issue: I enabled OCSP stapling and ssllabs shows OCSP stapling is enabled, but tests at webpagetest.org ...
JMC's user avatar
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3 votes
1 answer
545 views

Performance Issues Using SSL With Cloudflare

I have been using Cloudflare for a while without much consideration to what it was doing. Today I have noticed that there is around 500ms of delay when I view a web page over https when Cloudflare is ...
user1889580's user avatar
2 votes
0 answers
768 views

How to start troubleshooting extremely high ttfb on large queried pages?

We have a dedicated server that feeds a very large wordpress site with a lot of advanced queries - large integrated CMS/Video-enabled with a ton of extra WP fields added on. The server is 32G memory, ...
blankip's user avatar
  • 444
1 vote
0 answers
406 views

More apache processes = higher TTFB = lower money? why?

I just upgraded my server from 8 GB ram to 16 GB ram. I then adjusted my apache settings to serve more users at a time including mobile. Yes I'm still on prefork mode because I created a module and I'...
Mike -- No longer here's user avatar
1 vote
1 answer
238 views

Is webpagetest.org unreliable with mobile testing? I'm trying to get accurate results

I use webpagetest.org to test my website very often. When I used a couple of remote desktop computers on their site, my TTFB (time to first byte) measures between 1 and 400ms. However, on nearly all ...
Mike -- No longer here's user avatar
1 vote
1 answer
93 views

Which does google prefer: chained redirects or longer time-to-first-byte?

I'm clearly a webpagetest.org addict now. Once again, I tested my site after optimizing (by eliminating some file scans) and the speed greatly improved. It's now at about 150ms Time to First Byte from ...
Mike -- No longer here's user avatar