SEO Interview Questions and Answers 2018

Learn more about SEO from basic to advanced level from these SEO interview questions and answers of 2018. These questions were asked by top companies and industry professionals.  First of all we always try to help bloggers and SEO community by covering different topics around digital marketing and SEO. Read below extensive list of basic and advanced SEO questions and answers in detail. These questions are perfect solution for freshers and experienced SEO professionals.

SEO industry is like an ocean of knowledge. Being an SEO expert you should always learn new things in SEO and digital marketing industry. Search engines like Google update its algorithms on regular basis. because Search engine business model works on two major objectives. 1. Relevant search results. 2. Fast search results.

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List of Best SEO Interview Questions and Answers

These questions are perfect for fresher as well experienced professionals. Question No. 1 to Question No. 20 for suitable for freshers to 1 year experience. Question no. 20 to End perfect for experienced SEOs.

Question No. 1. What is SEO and define its types?

Answer No. 1. SEO stands for Search Engine Optimisation. It is an optimisation process to increase and maintain position of a web page or website in a search engine results page (SERP) by using keywords or phrases.

There are 2 Types of SEO
1. On Page SEO
2. Off Page SEO

Question No. 2. What are the SEO tools do you use?

Answer No. 2. I use SEO tools for example Google’s search console, google’s keyword planner, google analytics, Alexa, SEMRush, Open Site Explorer, XENU broken Link checker, Google Page Speed Tool, Bing Webmaster Tools etc.

Question No. 3. Do you still use directory submission? Which website you refer for directory submission list?

Answer No. 3. Yes, directory submission is white hat SEO technique and it is very useful to get better ranking. I use Soniseo directory submission list to submit my client’s websites.

Question No. 4. How you define a Backlink?

Answer No. 4. Any webpage or website linking to your webpage or website are called as Backlink. It is also called as an incoming or inbound link.

Question No. 5. What are outbound or Outgoing or External Links?

Answer No. 5. The outbound/Outgoing or External links are a Links, from your website or webpage to another webpage or website.

Question No. 6. What is Googlebot, tell me something about it?

Answer No. 6. Google’s system uses a computer program called GoogleBot Web Spider to crawl, index and update a webpage in Search Engine Index. In addition Googlebot Collect the content and details from a webpage by caching, crawling and indexing of that webpage.

Question No. 7. What is Cross linking and how Cross linking works?

Answer No. 7. Cross-linking is a process of linking one webpage or website to another site. It provides reference to another webpage or website in terms of hyperlinks. Example – Site A Links to Site B and Site B link to C and D and Site D Link to B and A and so on. It is as much hard as it seems.

Question No. 8. What is Keyword and what is the main purpose of keywords in SEO?

Answer No. 8. User enter certain text or query in search box of search engines. These words/phrases are called keywords. These keywords or phrases are used by the search engines to index and display results on page from websites all over the world.

Question No. 9. What is Canonical URL?

Answer No. 9. Canonical URL is one of the URLs as your preferred (canonical) destination for indexing and ranking. Therefore a server-side 301 redirect is best way to ensure search engines directed to correct URL for indexing and ranking.

Question No. 10. How H1, H2 and Alt Text are important in SEO?

Answer No. 10. Quality content plays and important role in SEO. Quality of content is and on page optimisation described by content headings and alt text of images in the content.

Question No. 11. What is Page Title? and What are SEO meta tags?

Answer No. 11. Page title is HTML tag that displays title of the page in the browser tab. It is the most relevant thing for search engines. Therefore SEO meta tags are the HTML tags that are important for SEO such as meta description, keywords, language etc.

Question No.12. Tell me some of the useful on Page SEO factors?

Answer No. 12. Few on page SEO factors are such as
Title Tag and meta description
Quality Content
H1, H2 and Alt Tags
Internal Links and keyword density
Bold, Italic, Underline Words
Qualitative External Links
Images, Videos, Infographics

Question No. 13. Which factors are important for Off Page SEO?

Answer No. 13. Few off page factors are such as
Incoming links from quality websites
Social score
Incoming links from goverment and educational websites
Links from business directories and blogs

Question No.14. What are latest Link Building Strategies?

Answer No. 14. Link bait, Content Marketing and Brand Citations are the latest link building strategies.

Question No. 15. How content is important for SEO?

Answer No. 15. Content is the only thing which is related to keywords which user enters in search engines. Hence content and only quality content is the most important thing for SEO.

Question No. 16. What are Spiders, Robots and Crawlers and how it works?

Answer No. 16. Spiders, robot and crawler are all same. It is a software program that follows different links all over the web or internet, and then fetch the content from the websites for indexing in search engines’ datacenters.

Question No. 17. What does it mean if nothing appears on searching exact domain name?

Answer No. 17. On doing search on your domain and if nothing appears then there are three possibilities.

website is new and yet not indexed by search engine crawler
site is banned by search engine
website has canonical issue
site has not allowed for indexing by robots.txt or nofollow, noindex meta tags

Question No. 18. What is keyword stemming?

Answer No. 18. SEO finds out new keywords from the root keyword search from the search query. It is called as keywords stemming. Adding a prefix, suffix, or popular searches can be used to create the new keywords.

Question No. 19. Name some SEO blogs that you frequently read?

Answer No. 19.
Google Webmaster Central
Search Engine Land
Search Engine Journal

Question No. 20. What is URL Cloaking?

Answer No. 20. Cloaking is a black hat SEO technique used for optimizing website for search. In this technique, a different content is displayed to the search engine crwaler than what is presented to the end users.

Question No. 21. How many types of Meta Tags are there in SEO and what are their characters limits?

Answer No. 21. There are mainly four types of Meta tags in SEO.

Meta Description tag with 200 to 220 character limits
Meta Keyword tag with 300 character limits
Title Tag with 65 to 70 character limits
Meta Robots

Question No. 22. How many characters limits in & Meta Description tag?

Answer No. 22. We can add 70 characters in title tag and 220 characters in Meta Description tag. Though google now introduced pixel limits.

Question No. 23. What is Google Sandbox?

Answer No. 23. Google sandbox is an imaginary index where few websites and their search rankings are put on hold until they prove worthy for ranking. In other words, it checks the standard of the website.

Question No. 24. Tell me something about Black Hat SEO?

Answer No. 24. Some SEO and webmasters use negative SEO techniques which are not recommended by search engines. These techniques are called as Black Hat SEO techniques.

Question No. 25. Name some Black Hat SEO techniques?

Answer No. 25. Few Black hat SEO techniques are as following

Link Farming
Hidden text, etc.
Gateway or Doorway pages
Keyword Stuffing

Question No. 26. What is the difference between ‘nofollow’ and ‘dofollow’ link?

Answer No. 26. Nofollow links do not pass SEO score or Link juice and have no impact on search engine ranking algorithm. Dofollow link passes link juice and has an impact on search engine ranking.

Question No. 27. Differentiate between PR (page rank) and SERP (Search engine result page)?

Answer No. 27. Page rank is google’s core search algorithm. Page rank is calculated on the basis of quality inbound links from other website/webpages to your webpage or website. SERP (Search Engine Result page) is the placement of the website/webpage which is returned by the search engine after a search query entered by user.

Question No. 28. Which is great SEO technique sub pages or subdomains

Answer No. 28. Both techinques are as good but subpages has great impact. Subdomains has their own individual identity. If marketer choose subdomains good interlinking will help in SEO.

Question No. 29. Why the Title Tag in website is valuable?

Answer No. 29. Title tags are very important in SEO. It describes the page and the contents on that web page. Title tags and description are the things that search engine tell its users.

Question No. 30. Which is more important, creating content or building backlinks?

Answer No. 30. Both are very important things. Quality content is equally important to backlinks in SEO.

Question No. 31. What is the difference between SEO and SEM?

Answer No. 31. SEM (Search Engine Marketing) is used for the promotion of website through paid advertising such as PPC. SEO (Search Engine Optimisation) is all about optimising the website/webpage to increase the organic ranking of a site.

Question No. 32. What you know about LSI?

Answer No. 32. LSI means Latent Semantic Indexing. This is one of the search engine indexing techinques by which search engines find relation of keywords and content.

Question No. 33. How you can find your SEO techinques are working as expected?

Answer No. 33. We can check Google analytics and Google’s search console data metrics. We can identify which keywords are ranking on top positions and have good CTR (Click Through Rate).

Question No. 34. What is competitive analysis in SEO?

Answer No. 34. Competitive analysis is one the best SEO techniques. It compares websites, you are optimizing, and the website that is ranked highly in search results for similar keywords.

Question No. 35. What will you do if your SEO technique does not work?

Answer No. 35. First I will analyse technical aspects of website like crawlability and Indexing. Then I will analyse content, on page factors, off page factors and other related factors. Then I will do competitive analysis with the help of google search console and google analytics. I will find out way to position different and appropriate strategies to rank better.

Question No. 36. What do you know about PPC?

Answer No. 36. PPC is known as Pay Per Click. It is an advertisement model adopted by Google. It is further divided into two modules CPC ( Cost per click) and CPM ( Cost per thousand impressions) through flat rate and bidding respectively. In CPC, if the user clicks on the advertisement, only then the advertiser will be charged for CPC.

Question No. 37. What is 301 redirection?

Answer No. 37. 301 redirection is a web redirect method by which the user is redirected to new page url to old page url. It is a permanent redirect type. Search engines suggest this method if webmaster change the URL of any web page. This redirection type passes link juice to new url from old url .

Question No. 38. What are Webmaster tools or Google’s search console?

Answer No. 38. Webmaster tool/google’s search console is a service for webmasters/website owners provided by Google. Webmasters/SEO and website users get relevant information about website such as search analytics, server errors, crawling, indexing stats and much more. User can also submit new URLs and website to search engine for indexing with the help of this tool.

Question No. 39. What is keyword density and how search engines calculate keyword density?

Answer No. 39. Keyword density is the occurance of relevant words in content of webpage/website related to search query. Keyword density helps a lot to stand out your content from competitor websites. The formula to know the keyword density is ( Total number of keyword/ total number of words in your content) multiply by 100.

Question No. 40. What is robots.txt?

Answer No. 40. Robots.txt is a text file hosted on web server. Webmaster control crawling and indexing of website with the help of robots.txt file. User can allow or disallow search engines from indexing certain directories, webpages and URL parameters in robots.txt file.

Question No. 41. What will you do when moving content of your website to new domain?

Answer No. 41. First of all I will setup google search console account. Then I will update old website domain with permanent redirect to new pages for all the pages. Then I will submit new website to search engines.

Question No. 42. Can you optimize the big websites or portals which has millions of pages?

Answer No. 42. Yes, mostly dynamic websites have many pages. We can promote these websites with dynamic SEO implementations.

Good Internal link structure
Generation of dynamic title and description
Dynamic XML sitemap generation
Uniform structure and canonical URL meta tag implementation

Question No. 43. What is the latest update in SEO?

Answer No. 43. The latest updates in SEO are:

Google’s Rank Brain
Google Penguin and Google Panda are now part of Google’s search algorithm
Google Voice Search

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  1. Gaurav August 28, 2017
  2. Gaurav September 5, 2017
  3. Rajnish September 9, 2017
  4. Mani September 10, 2017

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