How to choose the right keywords \ phrases for your site. What tools exist for this.
What is the https protocol, is it necessary to transfer the site from normal http to https. What is the difference between these protocols.
Basic principles selection span> name site, which domain zone select and what types domains are there.
What CMS are, how they work and how to choose the right management system for your type of site.
What does the 504 gateway timeout error code on the site mean and why does it appear. Ways to independently eliminate the error.