Web Server Logs

Is my site in google's mobile-first index?

Your site's web server logs will answer the question

As we know few sites have already moved to google’s mobile-first index.

Technical SEO Log Analysis On Linux

Web Server Logs Analysis is the essential part of Technical Search Engine Optimization. Without analyzing the valuable data in log files any Technical SEO Audit will be incomplete. It is the only place where you can get accurate information about how search engine bots are crawling your website and on which pages of your site they are sending search engine users.

Web Server Logs, SEO and Science

When you talk with SEO consultants or in general with people about SEO, you often hear them saying "SEO is not an exact science" ,"Search engines are driven by algorithms which are updated constantly, it is impossible to follow them" , "Nobody can fully understand how google works even the engineers who are working on it". I could agree with all  those statements only if the web server logs do not exist.