Browsera is meant to be used as a testing tool, not just a screenshot tool, and works at the site-level instead of the page level. Browsera crawl the pages on your site and actually test them for layout inconsistencies and scripting errors.
There are many variables that affect a site's performance. The tools listed below can help you discover those variables and improve your site. We recommend that you experiment with these tools. Multiple simple changes can improve the experience for your users around the world by several seconds.