Are you sure you have quality content that web search engines look for? Think hard.

Andrew Shotland at the Local SEO Guide blog has shared a nice piece of checklist regarding SEO quality assurance. The checklist contains essential factors that shouldn't be neglected by webmasters in updating web contents.

SEO QA Checklist

1. For dynamic pages does each page type have a unique Title, Meta Description and Meta Keywords tag formula?
2. For static pages does each page have a unique Title, Meta Description and Meta Keywords tag?
3. Inspect your robots.txt file and make sure that only URLs that you don't want the search engines to see are listed. Examples of pages you probably don't want indexed include login, email to a friend, printer friendly pages, most footer pages, etc. If you see "Disallow: /", this means you are blocking all robots from crawling the entire site. This is not good.
4. Run a report of all dynamic page types that have a "noindex" tag and confirm that only page types that you don't want the search engines to see have this tag.
5. Test all URL redirects. Make sure the following redirects are in place
a. Non-www version of every URL 301s to www version (or vice-versa)
b. URLs that end in / 301 to version that has no / (or vice-versa)
c. All mixed case URLs 301 to lowercase versions
d. Test version subdomains (e.g. alpha.site.com) either 301 to root domain or else are password protected.
6. Make sure any URLs that are being eliminated 301 to the new version of the URL or if there is no new version that they 301 redirect to the root domain or a related directory on the site.
7. If you are using a sitemaps xml file to update Google, Yahoo & MSN sitemaps has the xml file been updated to reflect the new changes?
8. Run a crawler against your site such as Linkscan to make sure that your pages are not delivering error codes and to see if there are any chain redirects (e.g. 301 to 301 to 301). Avoid chain redirects if possible.
9. Create a list of items that have changed that could affect SEO to help quickly diagnose any issues that may result from the new release. Typical items include:
a. Addition of or reduction of links on a page
b. Rewritten page copy and meta information
c. Addition of new pages
d. Eliminated URLs
e. Redirected URLs

Now rate your site. I'll rate mine as well.