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Hi everyone,
I’m facing a performance issue with my WordPress site, specifically a high Time to First Byte (TTFB) of around 3 seconds. I’m using WP Rocket Premium for optimization, but the TTFB remains high.
Here’s a GTmetrix report for reference.
Details:
- Hosting Provider: HostVision
- Caching Plugin: WP Rocket Premium
- edyceramic.ro/robots.txt – No crawlers are blocked as I can see.
Background: I’ve been in touch with my hosting provider, and they suggested that the issue might be due to blocked crawlers. However, I’ve checked and confirmed that my robots.txt file doesn’t block any crawlers, and the issue persists.
Questions:
- Does anyone have insights into whether high TTFB can be attributed to hosting issues, despite the
robots.txtfile not blocking anything? - What other factors in hosting environments could contribute to high TTFB that I should investigate?
- Are there any specific tests or diagnostics I should perform to determine if the hosting provider is indeed the issue?
Any advice or recommendations would be greatly appreciated!
Thank you!
High TTFB is generally caused by underpowered hosting, especially cheap, shared hosting.
Have you considered making use of a CDN like Cloudflare? This allows for your site to be cached on servers around the world so if your site is on a server in say US, but people in Pakistan are visiting your site, instead of the whole world accessing your server Cloudflare caches your site on their servers and then when people are visiting the site they are served from the nearest caching server instead and when changes are made on your server then the cache will update. This also can improve TTFB times.
I like to do this test to see how the server responds with pure HTML:
https://gtmetrix.com/reports/edyceramic.ro/Jpmt4guj/
Are you sure WP Rocket had generated your cache when your report was ran? The TTFB in the test above is still slow, especially for pure HTML though. In your GT Metrix I also noticed you ran the report on http protocol and in the metrics I think it was a 1.8s redirect time which is also extremely slow. I then ran one on your domain with https protocol and the results are much better: https://gtmetrix.com/reports/edyceramic.ro/azWYYOge/
Another recommendation would be to make sure the http > https redirect is done in your apache/nginx and not on the WordPress/php side of things as well.
What is your page generation time? If it’s close to TTFB (likely) then that’s that – it takes your site long time to build a page, whether because server is underpowered or page is very inefficient. If it’s not then it’s something more peculiar.
Query Monitor or Laps (I am the author of this one) plugins would give you info about that.
If you’d like to optimize your site I recommended following my gdoc on performance optimization, it’s 340 pages long so I recommend opening the table of contents on desktop with the little hamburgery menu icon on the top left.
https://docs.google.com/document/d/1ncQcxnD-CxDk4h01QYyrlOh1lEYDS-DV/
I see in your report you are tested your website with http and not https. First it has to redirect to https, maybe this is why you are getting high TTFB. I have tested your website in page speed insight and I think you have done a pretty good job.