Which of the following HTTP headers tells search engines when content has been changed since the site was last crawled?

Which is not a valid goal type from the perspective of Google Analytics?

Which best describes a blog 'TrackBack'?

Which practices are allowable under Google Webmaster Guidelines?

Please choose which tool belongs to the Bing Search Engine?

Which rich snippet formats are supported by Google? Select all that apply.

Which refers to Google’s Webmaster Tool?

Which statement is valid for LSI?

What is the optimal HTTP status code to permanently remove a URL from Google's index?

Use of tag in XML sitemap?

What will be the action if Google finds more than one canonical tag in your webpage?