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Server information:

Linux wl61-wv5 2.6.32-573.7.1.el6.x86_64

#1 SMP Tue Sep 22 22:00:00

UTC 2015 x86_64

PHP version: 5.4.45

Memory limit: 128M

Max execution time: 90

 

Database information:

MySQL version: 5.6.17

MySQL engine: InnoDB

Tables prefix: nvct_

Store information

PrestaShop version: 1.6.1.9

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It's multistore with 5 shops and on main shop (originalzfilmu.cz) we resized images, but issue still persists. Problem is First time byte (about 5-7 seconds - in some cases we see 25 seconds) what you can see for yourself, when you try go to the shop.

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You should upgrade your php version. PHP 5.4 is no longer supported and unsecure. PHP 7 is much faster.

You could try a local install with php 7 first.

 

What kind of cache is activated ? "file system"? As to my experience caching in file system may cause massive delays in loading time sometimes. If your server doesn't support other cache methods it's sometimes better not to activate cache at all. You could try prestaspeed from codecanyon.

 

And as mentioned before your slider images are way too big! Your slider images "weigh" 7 x 700KB = 4,9MB(!!!)
png is not the right file format for slider images. Use jpg instead and compress them until they are not more than max. 100KB each.

Edited by prestamax (see edit history)
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  • 2 months later...

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