31 Most Common SEO Interview Questions with Answers

To get a job in the Search Engine Optimization, you need to know about the various aspects of the SEO that inform you that how does the Search Engine work, how their links behave, how to design your web page accordingly, and the placement of keywords.

I am going to assist you in knowing about all such topics in the simple language. After reading these questions and answers, you will be able to crack any SEO interview.

What’s SEO And Why Is It Important?

SEO is a technique that’s improving website ranking in many search engines like Google, Bing, and Yahoo. It’s called SEO. SEO is cost-effective and a good way to drive traffic to your website without directly paying for it.

There are two types of SEO techniques:

On-page SEO — refers to activities taken on your website, like optimizing content.
Off-page SEO — refers to activities taken outside of your website, like building backlinks.

What Do You Mean By Crawling?

Crawling means that crawler looks and analyzes at all the code on the web page.

What’s Indexing?

Indexing means that web page is eligible to show up in Google search results.

What’s The Name of Google, Bing And Yahoo Crawler?

Yahoo crawler name is slurp, Bing crawler name is bingbot, and Google crawler name is googlebot.

What’s Backlinks?

Backlinks are links on other websites that point to a page on your website. It’s called backlinks.

What Do You Mean By Keyword Difficulty?

Organic Competition is called keyword difficulty. It shows you how hard it is to rank for a particular keyword in organic search.

What Is Keyword Density?

Keyword density is the percentage of the number of times a keyword appears on a web page divided by the total number of words in that web page. It’s called Keyword density. Keyword density should be between 1 to 3 percent.

What’s Domain Authority?

Domain Authority is a search engine ranking score that predicts how well a site will rank on search engine result pages. Domain authority is also called DA and developed by MOZ. If domain authority is between 40 to 50 then It’s considered good.

What’s HTML HyperLink And Anchor Text?

<a> tag defines a hyperlink, which is used to link from one web page to another.

Anchor text is the clickable text in a hyperlink.


<a href=”Your URL”>Anchor Text</a>

<a href=””>Vinay Rana</a>

How Many Character Limits Of Meta Description Tag?

A Meta description should be between 150 to 160 characters.

How Many Character Limits Of Title Tag?

A Title should be between 50 to 60 characters.

Difference Between dofollow And nofollow Link?

dofollow links are crawling by crawler. dofollow links increase search engine ranking.

Example: <a href=”Your URL”>anchor text</a>

nofollow links are not crawling by crawler. nofollow tag tells the search engine to ignore this link.
Example: <a href=”Your URL” rel=”nofollow”>anchor text</a>.

How Many Heading Tags Are There in An HTML?

6 type of Heading tags in HTML – H1, H2, H3, H4, H5, and H6

How Many Types of CSS And Which Are Good For SEO?

3 types of CSS (Cascading Style Sheets) – Internal CSS, inline CSS and external CSS. External CSS is good for SEO.

What’s a Google Search Console?

Google search console is a free service provided by Google from where you can get indexing of pages, crawl errors, search queries, website malware issues, and backlinks information.

What Do You Mean By 404 Error?

404 Error is a page not found error message which is returned by the server when that page is missing from the server.

What’s 301 Redirect?

301 redirect is a permanent redirect from one web page to another. It’s called 301 redirect.

What Is 302 Redirect?

302 redirect is a temporary redirect from one web page to another. It’s called 302 redirect.

What Is robots.txt File?

robots.txt is a text file that gives instructions to the search engine crawlers about the indexing of a page.

What Tools Do You Use For SEO Discovery?

Google analytics, Google tag manager, keyword planner, Google Search Console

What’s Cloaking?

Cloaking is a black-hat SEO technique in which presenting different content to people and search engine crawlers.

What’s Most Valuable Places To Include Your Keywords?

URL, title, meta description, heading, alt tag, and page content

Difference Between Exit Rate And Bounce Rate?

Bounce rate is the percentage of people who leaves a website just after visiting a one page.  It’s called bounce rate.

Exit rate is the percentage of people who leave from a particular page. It’s called Exit rate.

What Is Panda Update?

Google Panda update is a Google search results ranking algorithm that affects low quality content and boosts high quality content.

What Is Penguin Update?

Google Penguin update decreases search engine ranking of websites that violate Google Search Console guidelines by using black-hat SEO techniques. This algorithm affects low quality backlinks and boosts high quality backlinks.

How to Increase Website Crawl Rate?

Add informative, original and quality based content on the website.

How Many Methods To Restrict A Web Page From Search Index?

Use Index Meta tag and robots.txt file

How To Handle Duplicate Page In Website?

Use Canonical tag


<link rel=”canonical” href=” ” >

What Are The Criteria For Removing A Page From Google Search Index?

Page should be 301 permanently redirected and remove request in Google Search Console.

Difference Between Google Analytics and Google Search Console?

Google Analytics provides information on how website users interact with your website.

Google search console provides information on how search engines interact with your website.

What’s Difference Between White-hat and Black-hat SEO?

White-hat SEO means follow Google Search Console guidelines and improve website ranking without cheating the search engine.

black-hat SEO means violate Google Search Console guidelines by using black-hat SEO techniques like cloaking, keyword stuffing and etc.

I hope you got a lot of help from these questions. If you are someone who has started your career in SEO, you should always up to date latest methodologies. Best of luck of your career!

If you think this post is helpful, please don’t forget to share this post – I’d really appreciate it.

Also see:

Top 17 Social Media Interview Questions with Answers

Top 26 PPC Interview Questions with Best Answers

5 Most Common Interview Questions with Smart Answers

18 thoughts on “31 Most Common SEO Interview Questions with Answers

  1. Comprehensive and valuable knowledge, hard to find that vast topics covered anywhere else

  2. Thanks for share the question-answer list. It’s very helpful for beginner who want to start his career in Digital marketing.

  3. This is very good information with excellent answer.really helpful. Thanks a lot for sharing this sir

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