i am not sure why a responsive design template would in fact be slower.... other than the template itself might be poorly coded.... but a responsive design template per se, in my experience, does not slow a site down...
page speed, y-slow and the like are all fine.... they can point you to elements that can make your site faster..... and caching resources definitely helps with a responsive template (or any template for that matter), but...
https://www.webpagetest.org/
really tells a better story (thanks to @rodg)....
in my experience, ZC can slow down due to database lookups, and hosting on fast servers makes a big difference....
and when i say a fast server, i mean a server with SSD drives including hosting of of your database. big difference IMHO....
if you can ssh to your server, you can test the speed of your drives. you are looking for under 1 second when you run the following code:
Code:
time for i in `seq 1 1000`; do
dd bs=4k if=/dev/sda count=1 skip=$(( $RANDOM * 128 )) >/dev/null 2>&1;
done;the
and if your disks respond with under 1 second, ensure that your db is hosted on the same server. i have had some shared hosts where they claimed SSD drives, only to host the db on a separate server using HDD.
best.
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