Hi.
The first thing is to add that I am not an expert programmer or sem or seo.
I am a hobbyist of many years acquiring knowledge from wonderful people.
I share a quick comparison that I have made to see the effectiveness of the different themes in version 1.7.8.6 of Prestashop.
I have done the test on my home server that I have linked to a domain and cloudflare.
The system is EndeavourOs with kernel 5.18.5
Openlitespeed server 1.7.16
PHP 7.4.30
PrestaShop 1.7.8.6
RESULTS
1º.- Theme Jewlry - Themevolty
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Little to comment.
With what the theme brings, the performance is normal, discreet.
2º.- Theme Leo shopiokid free.
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Low performance, almost bad due to the load of effects, design, code and modules that Leo uses.
In this case we need a powerful server to move and raise the ranking.
3º.- Theme Classic Modded
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In this case, under the modification of the classic theme and with many secondary modules added (about 25-30) the performance increases significantly on my server.
4º.- Theme Starter of Oksydan
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With the starter theme I need to optimize it more, since the carousel, blog and some elements weigh down the performance on load and I need to do more tests to increase the improvement on load, but despite the load of modules it has, it defends itself spectacularly.
5º.- Theme ClassicBlinder "SURPRISE"
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I have this theme ready for a migration from 1.6.1.24 to 1.7.8.6 with approximately 1,200 products.
I have been surprised by the stability in performance and the ease of modification once you get the structure.
It does not have a significant module load (about 10) along with the POS.
After a few minutes I perform the test once more and the results:
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At the moment the one that is giving me the best performance.
Conclusions:
I still need to try the rocket theme since I'm waiting for a new version.
But, the difference is abysmal when we compare the Classic theme modified to a store theme with its serial errors and the number of modules that it has without 100% optimization in the structure and core of Prestashop.
It is true that with a powerful server the performance goes up remarkably, but it is not what they sell us (that 99% directly).
Now each one has to assess the approach and orientation of the store, both in terms of design and operation, and select the platform on which it will operate.
My philosophy is to sell and the fewer fair attractions and distracting effects, I prioritize relevant content and the product-brand image over the rest.
1st - Classic
2nd - ClassicBlinder - Rocket - Starter
3rd - Panda - Alysum...
4th - Rest of themes.
Grettings.