One of the most important aspect of an SEO technical audit is your page speed. This is one of the most important factors Google is pushing at the moment, getting this right goes along way to having a technical compliant website.
PageSpeed Insights from inside the Google Search Console, is the most efficient way of seeing how Google rates your site’s performance. One of the most common problems that website fail with this audit is render-blocking resources.
Although this is a very popular aspect that fails on an SEO Technical Audit, it is also very easy to fix.
By offering your files up asynchronously, i.e. telling the browser that it can continue doing stuff whilst the file is downloading, this negates the render-blocking aspect of the file, which alleviates page speed.
To add this to your files is easy, in the <head> of your site you will see files like this:
fix this by adding the asynchronous tag to it
By adding this tag to all the files marked by our SEO Technical Audit you will see in the pagespeed example above how much of an improvement this small changed has affected the pagespeed for the better.