Website optimization helps search engine spiders crawl and index your website. Technical SEO helps fix areas that are broken that may affect your site not showing up in SERPS. Technical issues are common, and all websites have them more often than not. However, it is important to discover and fix these issues as quickly as possible so that they will not impact ranks. Here are a few of the most common technical issues that SEO can help fix. HTTPS Security Broken links Incorrect robots.txt Missing XML sitemap Slow page loads Non-indexed pages Not optimized for mobile Duplicate content