Written by: Michael Lawrence
1. Title area displayed in Google search results is measured by pixels, not characters. The maximum length is 512 pixels.
2. Google supports multiple sitemaps, including image sitemaps. The one sitemap Google does not support is a product sitemap for eCommerce.
3. XML sitemaps can have many URLs. 500,000 URLs is the maximum.
4. Deleted website pages still being indexed by Google? Try using the HTTP status code 410; this is the best way to permanently remove a URL from Google’s index.
15. A “soft” 404 error is when a page returns a 203 HTTP response code and displays a blank page