Top 50 SEO Interview Questions and Answers

Top 50 SEO Interview Questions and Answers


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SEO has been the highest buzzword in digital media for quite a long time. From content marketing to attracting heavy traffic to any website, SEO is a world that holds terminology and language of its own with an extremely growing history. The functionality of SEO is pretty hard to understand, therefore unique. Search on Google activities shows how consistently SEO has been in demand among worldwide businesses.


SEO has a well-paid career if anyone knows how to make it work! If any firm wants to know about it after a few hours, they will find themselves completely puzzled! And if you ask any SEO expert about it, they will try to educate you with its hard-hitting technicalities!


SEO is a very reliable way to gain traffic is to achieve a higher rank. SEO is the most important plan to improve business online. In interviews, the questions are related to the general and technical features of SEO. Many companies are looking for candidates who have complete knowledge of keyword research, on-page implementation, off-page implementation, social media, basic coding knowledge.


In today’s world, Digital Marketing has become one of the top career prospects and SEO is the biggest in-demand skill in digital marketing. Areas like Search Engine Optimization, Social Media, and Analytics are creating more than 150k jobs in the near-term years. 


Internet and search engines played an important factor in this phase of technology and due to this, SEO is an essential part of marketing for businesses having an online presence. Business owners get support by  SEO to make websites that are not just user-friendly but also rank higher in search engines.


Search Engine Optimization has always been a popular method of digital marketing and is commonly accepted across various industries. SEO is a technique by which the traffic to a website has increased by affecting its visibility on the search engine’s result pages. 


Before going to SEO talk with, it’s smarter to get a thought regarding the kinds of SEO inquiries that will be asked so you can intellectually get ready to respond to them. There is no need to go around compiling information about SEO before your interview. What you need to know is to gain proficiency with the most recent SEO questions and answers and jump on a successful SEO journey. 


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Here are the top 50 SEO interview questions and answers guide to understand the depth and real-intend of SEO interview questions.


SEO Interview Questions & Answers

For any business of digital marketing plan SEO is an essential part be it small, mid-sized, and even large. These businesses need skilled professionals who can contribute towards improved business visibility, better branding, and web traffic. 


Here are some of the SEO interview questions and answers that will support you to crash your next SEO interview.


1.How can you define SEO?

SEO stands for Search Engine Optimization. This is a process of increasing the number of visitors to a website. It increases the visibility of a web page so that it could look at the top of search engine result pages.


SEO improves the websites for search engines and thus supports to achieve a higher ranking in search engine result pages when users use keywords related to their products or services. 


2.What is a search engine?

A search engine is a web-based software system, which searches the world wide web for relevant information on a particular query raised by a user on the internet. Search engines generally reply to the queries entered by the users and give them a list of search results.


The user is supposed to enter keywords or phrases into the search engines. Search engine searches websites, web pages, and documents containing similar keywords and shows the web pages with similar keywords in the search engine result pages. It permits internet users to search the information on the World Wide Web (WWW). 


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3.Why are search engines so important?

Search engines are the pillars of the world wide web. They allow searchers to find relevant information and websites without wanting to have any technical expertise.


4.Why is SEO so important?


This is possibly the most important SEO interview question you’ll be asked. Google is used by everyone to search for various items. Searchers faith the results of a Google search and less than 5% of people bother to check page 2 of the search results. In today’s competitive market, SEO marketing is a higher priority than at any time in recent memory. Search engines assist millions of users per day looking for answers to their questions or solutions to their problems.


SEO is significant because of the following reasons:-

  • Majority of search engine handlers are usually clicking on one of the top 5 suggestions in the search engine results pages (SERPS). Everybody wants their website to appear in one of the top positions.
  • SEO expands the user experience and serviceability of a website.
  • SEO is good for the social promotion of the web site. Those who find the website by searching Google or Bing are more likely to promote it on Facebook, Twitter, or other social media channels.
  • SEO is very important for the smooth functioning of a web site. Search engine optimization can put you in front of the race.


5.How would you explain SEO to a beginner?

Ans. SEO (Search Engine Optimization) is a method of digital marketing where you optimize a website so that Google decides which website gives the best value to searchers and spots the search engine results page at the top.


It’s achieved through practical and operational changes to the website, by writing content so Google understands what the page is about, and also by the type and number of websites that link to it. Having your business at the top of the search results you permit people who are interested in your product or services to find your business. If that’s your website or business that implies making more sales without high advertising costs.


6.Name a few search engines other than Google?

This is a popular SEO interview question. Here are a few of them:

Bing, Yahoo!, Duckduckgo, Yandex, Youtube, Amazon, Baidu,,, Amazon.

Pinterest is also a type of search engine. YouTube is a search engine which only gives video results. YouTube is the second popular search engine in the world, if you consider based on traffic.


7. What are the different types of SEO?

 There are three different kinds of SEO:

On-page SEO – On-page or on-site SEO includes practice plans to optimize an individual page on a website and improve the rankings of a website, and earn organic traffic. On-page SEO focuses on optimizing parts of your website that are within your control and that affect your search engine rankings. The material you have power over and can change on your site. It means to expand your website and make a few changes in the title, meta tags, structure, robots.txt, etc.


Off-page SEO – This process refers to methods for improving a website’s position in the search engine results page (SERPs). Off-page SEO focuses on growing the authority of your domain through content creation and making backlinks to social media promotion, blog submission, press releases submission, etc from other websites. Off-page SEO is all the stuff that you do off of your site to get Google and other search engines to see your website as truthful and firm.


Technical SEO – Technical SEO refers to the process of optimizing your website for the crawling and indexing stage. With specialized SEO, you can help search engines access, crawl, interpret, and index your website with no issues. It is termed “specialized” because it has nothing to do with the real content of the website or with website raise. The principal objective of specialized SEO is to upgrade the foundation of a site.


8. Which SEO tools do you use?

Here are a few popular SEO tools: Keyword Planner, Google Search Console, Google Analytics, Moz, Ahrez, Sprout social, Ubersuggest, Woorank. Open Site Explorer, SEMrush. 


9.What is a backlink?

Any inward links to a website or web page are known as backlinks. Good backlinks support the web pages to rank up and have well visibility on the search engines.


10.What is an outbound link?

 Any link on a website that links to an additional web page or website is known as an outbound link. Outbound links help to extend the relevancy signal of the webpage and increase SEO rankings if they are coming from authority sites.


11. What is a keyword?

Keywords are words or phrases that users might use in searches related to the website’s content which is known as search queries.


12. What is keyword density?

Keyword density is the percentage density of a specific phrase or keyword available on an internet site compared to the total number of words on a particular page.


13.What is a long tail keyword?

Ans. Long-tail keywords are lengthier and more precise keyword phrases that searchers will most likely use in a search. These are phrases containing over 4+ words that make search results highly specific. Keywords are a more specific combination of numerous words. 


14.What is keyword difficulty?

Ans. Keyword difficulty means how difficult a keyword is to rank due to its popularity.


15.What is the main reason for using keywords in SEO?

A keyword is a single word, and a combination of those keywords makes phrases. These keywords or phrases are used by search engines to occupy the subjects over the internet. Search engine stores keywords in the database, and when a search is completed, it will come up with the best possible match.


16.Who are the founders of Google?

The founders of Google are:-

  • Larry Page 
  • Sergey Brin.


17.In which year Google was founded?

Google was founded on 4th September 1998.


18.What is a website?

A website contains a collection of web pages that are generally identified with domain names or web addresses.

For example, if you type the web address over the internet, it would take you to the home page of the actual website.


19. What is a Web server?

 A web server is a computer database with an IP address and domain names that display web pages to users when requested. The web server receives and processes requests sent via HTTP.


20. What is Web Hosting?

Web hosting mentions to any service providing space for websites over the Internet. There are different kinds of web hosting services available today which are used as per the requests and requirements of the web developers.


21. What is Page Rank?

Ans. PageRank is an algorithm used by Google search, where it gives a page rank to determine a web page’s relevance or importance.


 22. Define the bounce rate.

The bounce rate is the percentage of guests who exit the website from the landing page without visiting any other pages or without any activity. It is the proportion of a single-page session to all sessions on a website.


23. What are Meta Tags?

Meta tags are an excerpt of text that defines a page’s content. Meta tags offer data about the webpage in the HTML of the document. This data is called “metadata” and while it is not displayed on the page itself, it can be read by search engines and web crawlers. Meta tags are little content signifiers that help tell search engines what a web page is about.


There are four Meta tags:-Meta Title, Meta Keywords, Meta Description, and Robot tags.


24.What are header tags?

Header tags are used to distinguish headings and subheadings on a webpage. They rank in order from H1 to H6, with H1 is generally being the title.

 Header tags expand the readability and SEO of a webpage. 


25. What are ALT tags?

An alt tag sometimes called an Alt attribute or Alt description is some HTML code that allows giving images a text description. 


26.What does URL stand for?

URL stands for Uniform Resource Locator.


27.What is a domain?

Ans. A domain name is the address of your website that users type in the browser URL bar to visit your website. Simply, if your website has a house, then your domain name will be its address.


Each website location has an IP address. Instead of remembering different strings of numbers for every website a name to each domain is allocated which is easier to remember.


 28.What is a domain extension?

Ans. Domain name extensions are the last part of the Domain name. For example, in ‘,’ the domain name extension is .com. 


29.Explain what CTR is?

In SEO, CTR (Click-through Rate) is calculated by dividing the number of times a link appears on a search engine result page by the number of times it is clicked by users. 

It is calculated as the more the number of clicks, the more will be the CTR.


30.Name the social media channels used for marketing?

Here are a few social media channels which are used for marketing:

Video-Sharing sites: Netflix, Liveleak, YouTube, Metacafe, Vimeo, Ustream, etc. Blogging Platforms: Medium, Blogger, WordPress, Ghost, Squarespace, Tumblr, etc.

Social networking sites: Instagram, Telegram, LinkedIn, Twitter, Facebook, Viber, Snapchat WhatsApp, Google+, Skype, Pinterest, etc.

Social bookmarking sites: Reddit, Dribble, Pocket, Slashdot, Digg, Jumptags, Delicious, StumbleUpon, etc.


31.What is Googlebot?

Googlebot is the common name for Google’s web crawler. Googlebot is the name of two different types of crawlers:

Desktop crawler that pretends a user on the desktop

Mobile crawler that pretends a user on a mobile device.


32.What is an SEO audit?

An SEO audit is a way of evaluating a website’s optimization for search engines. Several areas cover technical, on-site, and off-site components of SEO.


Some SEOs use SEMRush or Ahrefs to run an audit, others have their checklist to work through. The purpose is to recognize whatever needs fixing the areas that can be better optimized.


33.What is robots.txt?

Robots.txt is a kind of text file utilized to provide instructions to the crawlers about the caching and indexing of a website, directory, domain, or a file of a webpage. 


34.What is anchor text?

Anchor text mentions the clickable words used to link one web page to another. It is the visible, clickable writing of a link. It generally appears in a different colour than the surrounding text and is often underlined. Though having exact match anchor texts (including keywords) delivers more value.


35.What is Google Webmaster Tools/Google Search Console?

Google Webmaster Tools (GWT) provided by Google is a free tool. It is Google’s key channel for communicating with webmasters. Now it’s known as the Google Search Console.


Google Search Console provided by Google is a free service that supports to monitor, maintain, and troubleshoot your site’s life in Google Search results. There is no need to sign up for the Search Console to be involved in Google Search results, but the Search Console helps you understand and improve how Google sees your site.

36.What are the greatest significant Google ranking factors?

Following are the important Google ranking factors.

  • Content Optimization
  • Backlinks
  • Mobile-first
  • Page speed
  • Schema code
  • Brand power and social signals
  • Domain power
  • User experience
  • Technical SEO.
  • User Experience 


37.What is Domain Authority?

Moz developed by the SEO software company, domain authority is a search engine ranking score that forecasts a website’s capacity to rank on search engine results pages or SERPs. Domain authority ranges from 1 to 100 score. If the score is higher the website will rank better way.


38.What is Yoast?

Ans. Yoast is a free plugin that is used to increase sitemaps, meta titles, and descriptions to a site without any technical expertise. The Yoast SEO plugin makes your site easy to meet the highest technical SEO standards. It gives them the tools to take the content to the maximum standards of SEO and complete readability.


39.What is Black Hat SEO?

It is a practice that goes against search engine rules, used to give them a higher ranking. These wrong strategies don’t resolve for the searcher and frequently end in a penalty from search engines. Black hat techniques include keywords like stuffing, cloaking, and using private link networks.


40.What is White Hat SEO?

White hat SEO is the method that expands your search rankings on a search engine results page (SERP).

It keeps the integrity of the website and remaining within the search engines’ terms of service. These strategies stay within the limits as defined by Google.


41.What is Google Sandbox?

The place where the new and less authoritative sites were kept for a certain period, till their creation in the search results. This may happen due to the structure of so many links within a short period.


42.What are the limits of title and description tags?

The title tag generally can be between 50-68 characters and the Meta description tag can be around 140 – 150 characters.


43.What are common SEO mistakes?

Following are the common SEO mistakes –

  • Not enhancing for the correct keywords.
  • Not enhancing for the local search.
  • Not taking single title tags and meta descriptions.
  • Directing on link quantity over link quality.
  • Using not appropriate content.


44. What is user intent in SEO?

Ans. In SEO, when we talk about user intent, we are talking about which goal or intention an internet user has when they enter the search term into a search engine. User intent is now an essential factor in content and search engine optimization and is eclipsing individual keywords as a main ranking factor.


45.What is semantics in SEO?

In SEO, semantics states to a search that produces decent results even when the results don’t contain the particular same words used in the search.


46.What makes a website search engine friendly?

There are many factors that make a website search engine approachable, including keywords, quality content, titles, metadata, etc. 


47.What is Cross-linking? 

Cross-linking is the procedure of connecting one site to another site.


48.What is SEO Friendly URLs?

This is one of the popular SEO interview questions. SEO friendly URLs are those URLs that are easy for both search engines and users to understand. URLs that are designed to meet the needs of users and searchers. Specifically, URLs optimized for SEO tend to be short, reader-friendly, and keyword-rich.


49. Which SEO factors are not in your control?

The main SEO factor which is not in your control is Google! The way Google ranks websites is unknown. The company does not make public the search algorithms it uses, while SEO professionals have determined the best practices we follow to achieve results. However, Google doesn’t like young domains that aren’t yet tried-and-true, and you can’t control that if you’re introducing a new site. Neither can you force people to link to your site, share your content, spend more time on your site, nor come back to your site for another visit?


Google sees agreeably on all of these factors and preferably a marketing department is working hard to make content and user experiences that will make these happen, but SEO people can’t control these factors.


50. What is the relationship between SEO and SEM?

The major difference between these two is Search Engine Optimization (SEO) is free and Search Engine Marketing (SEM) is paid. SEM comprises pay-per-click advertising and shows ads that are purchased. SEM is about receiving traffic thru paid ads, and SEO is more about getting, monitoring, and analyzing organic (unpaid) traffic patterns. Despite the main difference between the two, they work best in harmony.



Good preparation is the best way to go forward with a new job opportunity. I hope this list of top 50 SEO interview questions and answers helps you to achieve a new digital marketing position. Be prepared yourself to answer all types of questions — technical skills, interpersonal, leadership, or methodology

Best of luck in your new endeavor.

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