Eliminate website errors

My site is not working properly. What site can help find errors? How much does such a service cost? Are there any recommendations for troubleshooting?

You can find site errors and for free using this site https://pr-cy.io/ you will receive recommendations on how to fix them. This site is a Rank Tracker & Website SEO Checker. I really like him. I was able to audit the site, optimize the site, analyze the keywords. Analyzing a competitor's website can understand what they are doing right. I took over the experience. The site has risen in the search engines after the work done. The site also has paid rates. You can see prices. They are adequate. It will be useful for any site