💡 Give me free tools to analyse website's performance. Give one by one, as a list with links to all tools, then ask me what the result was for each of the tools, then explain to me those results.

💡 Give me tools to analyse website's SEO, aks for results, then explain those results and tell me how sites performance influences SEO results? Where can I check my websites SEO? How lower seo influences sites results and why it is bad especially for e-commerce sites?