Question
TTFB (Time to first byte)
- Posted on April 4, 2015
- MariaDBPHPServer OptimizationNginxNetworkingCachingLEMPMySQLCentOS
Asked by wantmore
I wonder if someone could answer my questions about TTFB:
What can be done on the server to speed up TTFB for a first time visitor? The main issue is TTFB for the very first visitor. (I don’t use CDN but I tested locally)
when I PING I get in average 0.045ms for the IP, so that is awesome! There is no domain connected to the IP. But when I go to the IP address with Chrome TTFB is going up and down from 1.5s to 3.5s from time to time.
The file is 123kb and content download is around 0,5-1ms. Initial connection is 1,7ms and stalled is 1,6ms
When I turn on simple gzip cache in nginx.conf the file that was 123kb is now only 18kb. DNS lookup, connecting and sending are 0ms. TTFB is between 1.1 to 1,6s and content download is 0-1ms.
I’m not sure where to start searching for the issue? Redis frontend cache and session is installed and working, haven’t tried to see what happens with the TTFB if Redis is turned on yet because the main issue is not TTFB when the site is cached, the main issue is TTFB for the very first visitor.
Maybe not much I can do about it?
i run a droplet with 4gb ram, centos 7, nginx 1.6.2, php 5.6 with opcache and mariadb 10. I run magento on the droplet.
Any suggestions for what and where I should look are grateful !!
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Have you guys this problem with another services, like postgre, ssh, ftp, etc? all services running here appear to be slow on the fist connection, and send files over ftp … sux
We also have slow TTFB with our Digital Ocean server. The server spec is high (with little load) and we are running a CDN but a lot of our content is dynamic so needs to be pulled directly from the source.
Unfortunately we had to move from DO Spaces to S3 recently because of performance issues, it would be a real shame to have to do the same for our servers.
We really like DO but the issues we have faced have a direct impact on SEO and general visitor experience.
I have similar problems with ttfb. Even with cloudflare I am getting info message on pagespeed insights.
Tried also with varnhish caching to nginx pagespeed module, 2 droplets 4 GB and 3 GB. Same thing.
Hi DO, any chance to fix this issues about TTFB?