The source code on the site is what the spiders read to determine where your site should show up in the rankings (along with many other factors) and having code optimization done will ensure that all of the relevant pages of your site are properly indexed. We implement best practices such as externalizing CSS and JavaScript and eliminating white space and comments in the code that can prevent the spiders from finding and indexing your content in a timely and effective manner.
Another very important factor when it comes to code optimization for SEO is page load times. SEOP can help clean up any “code bloat”, ensuring that your pages load quickly and are therefore indexed quickly. This step is not always necessary in the optimization process- though that will be evaluated during the website analysis phase of the campaign- so it is mainly applied to our Platinum Plus, Performance, and Performance Plus packages.