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[Solved] Sometimes Long Time to First Byte Time for the first request
11-12-2013, 07:45 AM
Post: #7
RE: Sometimes Long Time to First Byte Time for the first request
(11-11-2013 07:42 PM)robzilla Wrote:  28% shouldn't be a problem unless your share of CPU on this particular VPS is less than or equal to 28% of a full (virtual) core. Also, if it's consistently at 28%, all your requests should suffer from the longer TTFB.

Have you noticed any other patterns? Perhaps it's always the first request that has a longer TTFB? In that case, you could look into how caching is done for your site; perhaps the first request takes longer to process because the cached version is invalidated.

Unfortunately I didn't find any other patterns. Before I used a CDN in most of the cases there was a long TTFB for static files like pictures (see test link in my first post). And that's a fact which not fits together with the theory about a caching problem.

Nevertheless I set the cache time in WP Super Cache from 1 hour to 24 hours.

The biggest problem which I don't understand is, that there is also a long TTFB time for static resources if I don't use a CDN.
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RE: Sometimes Long Time to First Byte Time for the first request - BITS - 11-12-2013 07:45 AM

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