In my opinion it is worth using the website Tinyjpg.com which can dramatically reduce the weight of photos - even those that have already been compressed in other tools - unfortunately there is a limit is up to mb per photo you can compress it at compressjpeg.com/ and only then try it in Tinyjpg. The authors also have a WordPress plug-in which in the free version allows you to compress up to photos and images per month tinyjpg. Changing the PHP version to a newer one Old versions of PHP are still a common sight on websites. In terms of performance the separate versions share a gap between.
Additionally old versions are no longer supported which makes us vulnerable to attacks. You can check the PHP version in various ways but the easiest one is to install the PHP Compatibility Checker plugin. wordpress-.-php-benchmarks-v WordPress works without photo retouching any problems with the latest version of PHP but first you need to check whether the template and plugins are compatible with it. You can change the PHP version yourself. It would be best to read the FAQ section or ask your service provider. In most cases we will be able to change the version directly from the customer panel.
Source Kinsta.com GZIP compression Lossless file compression on the server side - this is made possible by GZIP compression. Before being sent to the user the data is appropriately reduced by up to and brings relief to all impatient users. GZIP is often automatically enabled on the server but some hosting accounts have the option to enable it in the server management panel. To check you can use a Gzip compression tester e.g. Varvy.com gzip-check How to enable Gzip compression.