Check various social networks for related mentions and views
Analyze your Facebook page in relation to your website
Check twitter account for your website
Verify image tag alt attribute for all images on a page
Check title meta tag of your page
Review description meta tag of your page
Check pages for keywords meta tag
Measure Text to HTML ratio of a page
Check your page for framesets and iframes
Check if your page is utilizing adobe flash
Test your page for a proper usage of heading tags
Check <!DOCTYPE> decleration of your page
Test your page for language declaration
Validate HTML code of your page against W3C validator
Check page for depricated HTML elements
Check if you page is using nested tables
Check pages for web analytics code
Test your website for robots.txt file
Check if your website has a valid XML sitemap
Check if your website for correctetly implemented favicon
Check your website for custom 404 error page and soft 404
Check page for print-friendly cascading style sheets (CSS)
Check how your page is rendered on a mobile device
Evaluate your page for mobile user expirience
Evaluate your page load times on mobile devices.
Validate CSS of your page against W3C validator
Estimate number of pages indexed by search engines
Check Alexa Traffic Rank for your website
Analyze popularity of your website by country
Review your website's server information
Check Whois information of your website's domain.
Check age of your website's domain
Check expiration date of your website's domain
Analyze all hyperlinks on your web page
Test if your website's IP redirects to domain name.
Test if your website redirects to a single domain variant
Analyze your webpage and evaluate its performance
Check your website for HTPS (SSL)
Check your URL for suspected phishing and malware content
Check if your domain has been blocked for spam
Check your webpage for email addresses in plain text
Test your server if the directory browsing is enabled
Test your hosting server for its signature
Analayze keyword density and consistency on your page
Check for broken or daed links on your page
Check website for conformence with WCAG 2.0 AA guidlines