Which of the following are the reasons why your web site doesn’t show up in the results of a Google mobile search even using the site:operator?

Which Google crawler should you allow access to your web site’s mobile version?

Sometimes robots.txt could still reference the URLs that you block, what is a better alternative against robots.txt?

What is the best practice to rank high on search results in content creation?

What is disavow tool?

What is better to show than a 404 error page over sitemap page every time a user can’t find a page on your site?

What authorizes payments for e-businesses and online retailers?

Which statement regarding website content is correct?

Which statement about search engine optimization techniques is/ are correct?

Which can you do in the Google search box (Omnibox)?

Which website design guidelines have been recommended by Google?