[UPDATED] Top 60 SEO Interview Questions and Answers for 2021

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Digital Marketing as a career option growth is growing rapidly. According to the recent research data by IEEE GlobalSpec Media solutions – ‘There was a little surge in marketing budget of companies which is around 58% & 55% for SEO & social media respectively in 2017 when compared to the past year”. SEO (Search Engine Optimisation) is one of the key components of Inbound Marketing. Because more and more people are choosing Digital Marketing as a career, we thought we should create a set of 60 SEO Interview Questions and Answers that are frequently asked in the Digital Marketing Interviews.

Here are some SEO interview questions and answers that are going to be asked in an SEO interview in 2021:

1. What is SEO?

SEO stands for Search Engine Optimisation. It is the art of getting quality traffic and ranking websites on search engines naturally or without paying any penny to the search engine.

Also read: What is SEO? What are the Benefits of SEO for Business Growth?

2. Why Should We Use SEO?

SEO is critical with regard to inbound lead generation. It’s standout amongst the most financially savvy methods for getting quality leads. As most web searches begin on Google, it’s essential to rank higher in the SERPs on Google (World’s greatest Search Engine). This can only be done through a proper SEO plan.

3. Tell us about the two types of SEO?

Two types of SEO are –

i) On-Page SEO

On-Page SEO is the optimization done on the website to improve the search rankings. Few examples would be:

  • Writing a proper title, H1.
  • Including the focused keyword in the meta description
  • Writing in-depth and engaging content (If you are interested in knowing more about the right length of a blog post make sure read this article by the Minneapolis SEO – Hook Agency)

ii) Off-Page SEO

Off-Page SEO relates to any task done, off-site to improve the search rankings. This mostly includes the creation of backlinks, social media signals, etc.

4.  What is a Backlink?

Backlinks are links coming from another website. In simpler words, when a website links to another website it builds a backlink.

Backlinks play a very crucial role in ranking websites higher on search engines.

5. What are the two types of Backlink?

Backlinks are only of two types –

  1. Do-Follow Backlinks
  2. No-Follow Backlinks

For No-follow links, the attribute (rel=”nofollow”) is used in anchor text code, and for the do-follow links, a simple anchor text code is used.

Example of a Do-follow backlinks: <a href=”https://www.escalesolutions.com”>Do-follow link Example</a>

Example of a No-follow backlinks: <a href=”https://www.escalesolutions.com” rel=”nofollow”>No-follow link Example</a>

Also read: Steps to a successful SEO for your Business

6. What do you mean by Do-Follow Backlinks?

DoFollow links are those links in which dofollow meta tag is being used. It benefits by passing link juice which has an impact on Google Ranking Algorithm.

7. How is a Do-Follow Link Different from a No-Follow Link?

Do-follow links pass link juice which no-follow links don’t pass any link juice. Hence, no-follow links have little to no impact on Google Ranking Algorithm. This is true for all search engines.

8. What is a Keyword?

A keyword in SEO is a key phrase or set of words that are inside the website content to help users find the specific website by entering relevant search queries on Google and other search engines. Keywords play an important role in ranking a website because they make websites identical to search queries made by users.

Keywords can be of different types –

  1. Short-tail keyword
  2. Long-tail keyword

9. What is an Anchor Text?

Anchor Text is that visible, clickable text which you see. The text is basically an overlay of the text. In modern browsers, it is often blue and underlined.

10. Mention the Different Types of Anchor Text?

Anchor text can be of different types. The limit of using it on your own is your Imagination. Till then, some types which I encountered –

  1. Keywords:
    – Exact Match Keyword: Example – best website development company
    – Partial Match Keyword – Eg –  world’s best website development company
  2. Branded – Eg – Escale Solutions, Zoruk, FellaFeeds
  3. Naked URLs – https://www.escalesolutions.com/
  4. Generic – Click here, visit here, Read more, etc.
  5. Image – When an image is linked, Google considers the text contained in the image’s alt attribute as the anchor text.

Also read: How to build the right content marketing strategy for SEO growth

11. What is the Meta Description Length?

The predefined length of a Meta Description in Google is up to 160 characters.

12. What is the Title Tag Length?

The predefined length of a Title Tag aka Headline in Google is up to 60 characters. Google (search engine) typically displays the first 50–60 characters of a title tag.

13. What is Google Sandbox?

Google Sandbox is a filter that prevents new websites from ranking in the top results of Google.

14. What is a Long Tail Keyword?

Long-tail keywords are those kinds of keywords that are more than 3 words. These are very beneficial in driving targeted traffic to website pages. Most of the time these are very easy to rank for on Google.

Eg – best Bluetooth speakers under Rs1500

15. What are LSI Keywords?

Latent semantic indexing (LSI) is a system inside search engines use to analyze the other words people use surrounding a given topic. It’s mostly the keywords, Google suggests at the bottom of the page.

SEO Interview Questions and Answers for 2020-21: An screenshot of LSI keywords list on Google
Source: Google SERP

16. Name some of the SEO Blogs You Follow?

A few of my favorite SEO blogs are –

  1. Moz
  2. Backlinko
  3. Search Engine Journal
  4. Search Engine Land

17. What does Competitive Analysis Mean in SEO?

Competitive Analysis in SEO is the comparison between the website page people are working on & the website page that has been already been ranked on Google search engine. The competitive analysis is very essential in SEO because it gives important insights and facts about your competitors by which you can easily defeat them in the race of ranking.

18. What is 301 Redirect?

A 301 redirect is a permanent redirect to another website where you want it to redirect which passes between 92-99% of link priority (ranking power) to the redirected page.
A 301 is the HTTP status code for such types of redirects.

19. What are the Most Important Places the Main Keyword should be Included?

The keyword should be included in the following elements –

  1. Title of the Page
  2. Meta Description
  3. The body of the post
  4. The headline of the page
  5. The HyperLink

Also read: 10 Quick Ways to Increase Your Website’s Conversion Rate

20. What was Google’s Recent Algorithm Update?

There were 5 significant updates this year –

  1. Passage Ranking — February 10, 2021
  2. Product Reviews Update — April 8, 2021
  3. Broad Core Algorithm Update — June 2, 2021
  4. Known Victims Protection — June 10, 2021
  5. Page Experience Update — June 15, 2021
  6. June 2021 Spam Update — June 23, 2021
  7. Spam Update Part-2 — June 28, 2021
  8. July 2021 Core Update — July 1, 2021
  9. July 2021 Core Update Completed — July 12, 2021
  10. Google Link Spam Algorithm Update — July 26, 2021
  11. Google Webpage Title Update — August 24, 2021

21. What is Robots.txt?

Robots.txt is a text file that tells the search engine crawlers what file of the website to index and cache. It’s very crucial when it comes to On-Page SEO.

22. What is Keyword Density?

Keyword Density is the percentage of the number of times the keyword is mentioned in the content in comparison to the total number of words. So if my keyword is mentioned 15 times in 1000 words content the keyword density would amount to 1.5%. Try to maintain the keyword density between 1-3% only.

The formula for calculating Keyword Density:

Keyword Density = No. of keywords / Total no. of words × 100

23. What is the use of Google Search Console?

Search Console is the suite of tools and reports offered by Google to help one measure their site’s Search traffic and performance, fix issues, etc.

24. Name the Different Types of Heading Tags?

There are a total of six HTML headings – H1 to H6.

25. Tell us Your Favorite SEO Tools and Their Use?

  • Google Keyword Planner (used for keyword research)
  • Ahrefs (used for keyword research, competitor analysis & backlink analysis)
  • Yoast SEO (used for On-Page SEO)

26. What is Organic Search Result?

Any free search results that pop on Google for a particular keyword search is called an organic search result.

hybrid application development company in delhi
Source: Google

27. What is Google Bot & It’s Functionality?

Google bot helps in Caching, Crawling, and indexing of a webpage on Google.

28. What is White Hat SEO?

White Hat SEO is the technique used to improve the SEO of a page that is legal, authentic and according to the guidelines of search engines.

29. What is Black Hat SEO? Name A Few Black Hat Techniques?

SEO is termed as Black Hat when techniques used to improve the SEO of a page are not acceptable by the guidelines of the search engines.

Few Black Hat techniques-

  1. Creation of PBN links
  2. Keyword Stuffing
  3. Redirection of Expired Domains
  4. Cloaking
  5. Duplicate Content
  6. Article Spinning

30. Why is the Headline of a Page Very Important?

The headline of a page is very important in SEO as it tells search engines and the users the expected web page’s content.

31. What is SEO Audit? Tell Me The Process In Brief.

An SEO audit gives a better understanding of the web pages, traffic, and errors of a particular website.  It is a great way to improve search engine rankings. In the SEO audit process, we use several tools such as Ahrefs, Semrush, etc. for getting all the loopholes on the websites. All on-page and backlinks factors are recorded in the SEO audit report.

Also read: Ways to Instantly Identify a Fraudulent SEO Firm

32. What is Structured Data in SEO?

Structured data refers to any information which has a high degree of organization, such that inclusion in a relational database is seamless and readily searchable by simple, straightforward search engine algorithms or other search operations. Structured data has become increasingly important to SEO. But make sure to use the complete and well-formed structured data code to a webpage because incomplete structured code is not crawled by Google bot.

33. What are the 2 Best Ways to Reduce Page Loading Time?

The best Ways to Reduce page loading time is –

  1. Optimizing Images using Lossless Compression
  2. By Enabling Browser Caching

34. What is SEO-Friendly URL?

SEO-friendly URLs are those URLs that have a good structure and correct length.

35. What is Web Crawling?

Crawling or web crawling is an automated process through which search engines filtrate web pages for proper indexing.

36. What is SERP?

SERP stands for Search Engine Result Page. It is the page that displays all the results of the query which you just search on the search engine to enter the website.

SEO Interview Questions and Answers for 2020-21: An screenshot image of a Google SERP.
Source: Google

37. What is Canonical URL?

Canonical URLs relate to the concept of telling the search engines to show this URL to the people who want to visit my website.

38. What is Internal Linking?

Internal Linking is the process of hyperlinking or connecting different pages of the same domain or website.

39. What Is XML Sitemap?

XML or Extensible Markup Language is primarily developed to inform the search engines about the website URLs that are available for indexing and crawling.

40. What is Domain Authority?

Domain Authority is a performance metric developed by Moz (founded by Rand Fishkin), which rates any website on a 1-100 scale. Moz bar extension is used by many SEOs on their browser so that they can see the Domain Authority and Page Rank of any website.

41. What is Guest Posting?

Guest Posting is basically writing articles & publishing on someone else’s website. Sometimes, it’s free, sometimes it’s paid. Depending on the traffic of the website.

42. What are the most important Google ranking factors?

The most important Google ranking factors are-

  • Freshness in the Content
  • Quality Backlinks
  • Mobile First
  • Domain Authority(DA)
  • Page Speed
  • Brand Strength
  • Social Signals
  • Content Type
  • Content Freshness
  • Schema Code
  • HTTPS
  • Domain Strength
  • Content Depth

43. What is Googlebot?

Googlebot is Google’s web crawler to crawl, find, & index web pages.

44. What is Schema Markup?

Schema Markup is structured data that is used to implement within the website for search engines to understand your website better and provide additional information to users on SERP. It’s a rich snippet that improves the CTR of the listing thus improves the ranking in long run.

45. What you can get from Google Analytics?

The main information that we get from Google Analytics are:

  • Audience Devices
  • Funnel Flow
  • Location of your users
  • Good and bad performing channels
  • Real-time users report
  • Webpage speed
  • List of popular pages
  • Visitor Behavior and internal search
  • Goals and conversion

46. How to decrease the loading time of the website?

We can decrease loading time by

  • Optimize CSS delivery to reduce HTTP request
  • Minifying code
  • Using external style sheets
  • Compressed images (without compromising the quality)
  • Less self- hosted videos
  • Enable browser caching
  • Use CSS sprites to reduce HTTP request

47. What are the tools you use for SEO?

The tools you have used in the past/present must be listed here like-

Google Analytics, Google Search Console, SEMRush, Similar Web, Ahrefs, Alexa.

48. What is EMD?

EMD (Exact Match Domain) is a domain that includes search phrases.

For example:

escalesolutions.com

49. How to optimize a website with millions of pages?

Special attention needs to be given to the following section for that kind of website:

  • Dynamic XML sitemap
  • Creating dynamic meta tags
  • Strong internal structure for navigation.

50. What are the social media platform used for SEO?

Facebook, Instagram, Twitter, LinkedIn are some crucial platforms that are used for online promotion.

51. What are Cookies?

Cookies are small text files that are saved on the user’s local computer when browsing and sent back to the server when the user visits the same sites again and again.

They are largely used in online marketing to better understand user behavior on the web.

52. What do you know about Google My Business?

Google My Business is a product from Google.

Google My Business is a type of digital business directory, which the search engine provider uses for various areas of its search results. The owner of a company with a Google account can use the free service to edit and optimize their entry. Entries are possible for all kinds of companies and freelancers, from Small businesses to big businesses, and from restaurants to lawyers or artisans. To ensure profile data from Google My Business is displayed in searches certain conditions must be met.

53. What is Search Engine Spam?

Search Engine Spam refers to measure to try to influence the position a website has in search engines.

For eg., the abnormal use of a high number of keywords, i.e, keyword stuffing, within a website’s content and meta tags. When search engines discover search engine spam on a website, that site is penalized. It may be removed from the search engine’s index so that it no longer appears in search results.

54. What do you mean by Search Volume?

Search volume means the number of search queries for a specific keyword in search engines.

In digital marketing, the search volume is a measure of the amount of traffic your website can expect on the search result page, & can help you determine the best priorities for SEO and content optimization.

55. What do you know about SSL Encryption?

SSL Encryption (Secure Sockets Layer) is a connection between a server and a client which is encrypted.

This implies that it cannot be viewed by third parties. The encryption generally takes place via the HTTPS protocol. Nowadays SSL encryption of websites is considered a Google ranking factor.

56. What is Zero Click Searches?

Zero click searches are queries in search engines such as Google, Bing, etc. that do not send a third-party website from an organic search result. Around 50 percent of searches currently end without a click on an organic search result.

57. What is Universal Search?

In the context of SEO, Universal Search (also called Blended Search or Enhanced Search) is the integration of additional media like videos, images, and/or maps – displayed above or amongst the organic search results of search engines like Google or Bing.

58. What is a Plagiarism Finder?

A Plagiarism Finder checks the uniqueness in the text created in the Content Editor. It shows to what extent the content can also be found on other websites. Thus, the Plagiarism Finder analyzes the content and compares it with the websites that rank for the same topics on Google.

59. How Google Keyword Planner works?

The Google Keyword Planner is a tool by Alphabet Inc., available as part of its Google Ads program.

With the help of the Google Keyword Planner, advertisers can determine what level of traffic can potentially be obtained with a certain budget & campaign. The Google Keyword Planner can only be used with a valid Ads account.

60. What is Google Lighthouse?

It is an open-source tool for running technical website audits. Lighthouse was developed by Google, and it analyzes the following aspects of a URL: Performance, Accessibility, SEO, Progressive Web App, and Best Practices.

Conclusion

I hope all the SEO interview questions and answers were helpful and you’ll learn a lot from these elaborated questions and answers. This article will not only boost your SEO knowledge but also build confidence in you. All the best for your interview.

If you feel there are any other questions that are missing from this list then please feel free to comment below, we’d love to include them in our list.

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Vishakha Puniyani
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