The TMD-hosting company increase the default php memory limit into 378Mb. Most of the company only give the maximum of 256mb other company give even less 126Mb. But to empower your website you need to partners with the Cloudflare to accelerate the performance.
If you want to use cloudflare the easiest way is to partner your hosting in a2hosting since they already made a partnership with cloudflare making the settings fast and easy.
All shared hosting has a limitation so it is best to read carefully the legal terms before buying an hosting account but due to laziness we don’t want to read because of in a hurry of time.