What is the difference between 404 not found and soft 404 errors?

Where on your site is best to add the “nofollow” attribute?

hreflang attribute is used

Which image formats are supported by most browsers?

What tool does Google offer that allows you to run experiments to find what on-page changes will produce the best conversion rates with visitors?

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

Which practice may improve the Domain Authority rank of an automobile trading website? A: Submitting the website to all directories that are available. B: Getting backlinks from auto-niche blogs. C: Getting backlinks from fashion-niche blogs. D: Using Robots to post on forums. E: Manually posting at least 50 comments/day.

Which HTML attributes can be used to provide descriptive text for site assets that a search engine crawler doesn't typically recognize?

Which statement is true about Sitemaps?

Which is not a valid method for verifying site ownership on Google?

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