Site Iturbu.com I am engaged in its optimization. Please tell me what I missed I hope for your understanding PS No spam
are we optimising the content? or the more obvious errors? https://validator.w3.org/nu/?doc=http://iturbu.com/ or the less obvious errors such as your headings not being marked up as headings?
It looks like there are a lot of little things you can fix on your site to help speed it up, one of them is optimizing images and files by minimizing them or compressing them. Another is to use a caching mechanism and a CDN, like CloudFlare. Here are some exact details regarding your site that I mentioned: https://gtmetrix.com/reports/iturbu.com/J0jP03DS