65+ SEO Interview Questions and Answers for freshers 2018

SEO has been the ultimate in the online media for quite a long time.In 2018 still, SEO is one the most important strategy to improve business online marketing plateform. Hence, hiring SEO professionals becomes more important to a web design company. Here comes some really good SEO interview questions and answers for 2018 that can be asked by HR professionals while hiring for freshers 2018

1. What is SEO ?

SEO or Search Engine Optimization which denotes to any activity performed for the improvement of Search Engine rankings of websites, products, services or other content related websites . SEO shows unpaid results which is also referred to as “free”, “organic”, “natural” or “earned”  traffic results by doing SEO

2.why is it so important?

The importance of SEO or Search Engine Optimization starts with the desire of the companies to gain more organic traffic for their websites products, services or other content related websites . The ranking over search engines matter because users pay more heed to the first 5 searches on Google search result. Moreover, the users trust these search results because they consider these searches to be more accurate  .

3. What is a Search Engine?

A search engine is a web-based software system which is developed to search and locate relevant information on the World Wide Web. Search engines generally answer the queries or keyword entered by the users and give them a list of search results.

4. Name of a few search engines ?

Search Engines are- Google, Bing, Yahoo!, Baidu, DuckDuckGo and Yandex. askme etc \

5.What is SEO and introduce its types?

Search engine optimization or SEO is a process of keep changing the position of a web page or website in a search engine results by using keywords or queries entered by the users.

On-Page and Off-Page SEO for Ecommerce


There are mainly two type of SEO

  1. On Page Optimization
  2. Off Page Optimization

6.What is On Page SEO?

On page SEO or Search engine optimization refers to all the activities performed within the websites to get higher ranking and more relevant traffic from the search engines keywords or queries entered by the users.

On-Page and Off-Page SEO for Ecommerce

On page SEO or Search engine optimization is related to the optimization the content as well as the HTML source code of any web page. Some of its aspects include meta tags, title tags, meta description and heading tags H1 tages, proper outbound and inner links .

7. What is Off Page SEO?

Off page SEO relates to the other aspects that influence the search ranking of websites on the Search Engine Result Page.

off-Page and Off-Page SEO Must-Haves for Ecommerce
Off Page SEO refers to the link building activities, such as content marketing, social media and back link building performed outside the boundaries of any web page to improve its search engine ranking.
8. What are the SEO tools do you use?

The SEO tools that I use are Google analytic, Keyword Planner, Alexa, open site explorer, Google Webmaster. Sem rush, woo ranker, similar web , SEOquake etc

9. What is Crawling?

Crawling or website crawling refers to an automated process through which search engines filtrate web pages for proper indexing web pages in search result.

Web crawlers go through web pages, look for relevant keywords, hyperlinks and content, and bring information back to the search engines

10. What is Indexing in seo?

Indexing starts when the crawling process gets over during a search. Google search engines uses crawling to collect pages relevant to the search queries or keyword , and creates index that includes specific words, or search terms and their locations

11.What is SERP in seo?

Search Engine Result Page or SERP refers to the page that is displayed when a specific search query or search keyword is entered over the search engine. Apart from showing a list of results, SERP might also include paid advertisements from Search Engine .

12. What do you mean by Backlink in seo?

 The incoming Backlink to your website or webpage are referred as Backlink. It is also called as an inbound link.

13. What are outbound Links in seo?

The outbound links are a Links, from your website to another webpage or website.

14.Can you tell me something about Googlebot?

To index and update a webpage contents Google uses the software know as Googlebot (Web Spider). Caching, Crawling and indexing of a webpage are done through Googlebot by collecting details from that webpage.

15.What is the definition of keyword in seo ?

Keyword means any word serving as a key. Keyword in SEO refers to the key phrases and words included in the web content which helps the users to find the specific website by entering relevant search queries over the search engines.

16.What is the main point of using keyword in SEO ?

Keyword in SEO is a single word, and while a combination of those keywords makes phrases or search query.  These keywords or phrases are used by the differnent search engines to populate the subjects over the internet. Search engine stores these keywords in there database when each search is done, and when search is done, it will come up with the best possible result related to the keyword .

17.What are LSI keywords in SEO ?

LSI keywords or Latent Semantic in SEO Indexing are semantically associated with the main root keyword that users enter over the search engines results.

 18.What are Heading tags?

In SEO, heading or header tags are used to separate the heading and sub-heading of any content from the rest of the web page. There are 6 heading tags used in SEO in a top down hierarchy. H1 H2 up to H6 are used

19.What is Canonical URL? 

Canonical URLs in seo is relate to the concept of selecting the best website URL for the web pages that the visitors want to see your content. Also, known as canonical tags, these URLs help in content syndication when multiple versions of a same page become available over the Internet. Thus, it is used to resolve issues related to content duplication.

For example,


20. What is Page Title?


Page title, also known as title tag, is a phrase used for describing a web page content. The title tag appears on the search result pages just above the URL (see below) and also appears at the top of a browser of the website .

21.What is SEO friendly URL?

SEO friendly URLs are used to optimize the structure and word usage in URLs so that the process of indexing a website by search engines become improved.

22.What are Spiders, Robots and Crawlers and what are their functions in search engine?

Spiders, robot and crawler, they are all same and referred by different names. It is a search engine software program that follows, or other wise Crawl different links throughout the internet, and then grabs the content from the sites and adds to the search engine indexes.

 23.What does it mean if nothing appears on doing search on the domain?

On doing search on your domain and if nothing appears then there are three possibilities.

  1. May be the site is banned by search engines
  2. May be no index by search engines
  3. Some canonical issues

24. What are meta descriptions?

seo interview questions 2018

Meta descriptions are also called HTML attributes which should provide an accurate description of any web page content. These descriptions act as preview snippets of the web pages over the SERP page.

25. What is a Do-Follow link in seo?

A Do-Follow Link in seo, as the name suggests, allows Google link calculator called PageRank to count all the inbound links from other web pages and websites as link points.

The higher the web site link juice or link points are, the greater would be the search engine ranking of that web page, as these links make the web page appear very relevant and popular to the Google search engines.

26. What is a No-Follow link? 

A No-Follow link is exactly the opposite of a Do-Follow link as such the link attributes do not allow the Google bots to follow them. These links cannot be followed by robots or any software; only humans can do it.


27.What is keyword stemming?

The process of finding out new formed keywords from the main root keyword from the search query is referred as keywords stemming. Adding a prefix, suffix, or pluralization can be used to create the new keyword.

28. Name some SEO blogs that you frequently read?

  1. Google Webmaster Central
  2. Search Engine Land
  3. SEOSmarty
  4. MOZ
  5. Search Engine Journal
  6. BacklinkO

29 What do you mean by Cloaking?

Cloaking in seo is a deceptive way of optimizing your website for search engine. In this technique, a different content and web pages will be show to the search engine crwaler than what is presented to the end users search .

30 How many types of Meta Tags are there in SEO and characters limits?

There are mainly for types of Meta tags in SEO.

  1. Meta Description tag with 1200 pixels limits
  2. Meta Keyword tag
  3. Title Tag with 600 pixels limits
  4. Meta Robots

31. What are the most important Google ranking factors?

Ans. According to Andrey Lipattsev, the Search Quality Senior Strategist at Google, the top 3 ranking factors affecting the search engine algorithm of Google are:

#1 Content

#2 Backlinks

#3 RankBrain

32. What is robots.txt?

Robots.txt is one way of telling the Search Engine Bots about the web pages on your website which you do not want them to visit.

Robots.txt is useful for preventing the indexation of the parts of any online content that website owners do not want to display.

IF you  want to block all search engine robots from crawling your website, just put the follow code:

User-agent: *
Disallow: /

IF you  want to block Google from crawling your website, just put the follow code:

User-agent: Googlebot
Disallow: /


33. What is HTML Sitemap?

. An HTML sitemap comprises of one single HTML page that bears the links of all the web pages of any specific website. This sitemap holds the foundation of all web pages of any website.

34. What is XML Sitemap

XML or Extensible Markup Language is primarily created to facilitate the functionality of the search engines.

A good XML sitemap informs the search engines about the number of pages present on a specific website, the frequency of their updates and the time of the last modifications performed on them, which helps in proper indexing of the website by the search engines.

35.What are doorway pages?

Doorway Pages, also known as gateway pages, portal pages or entry pages, refer to web pages or websites that are developed for higher ranking when specific search queries are entered.

36.What are 404 errors?

404 errors are considered one of the most potential impediments in the way to successful SEO. When a specific URL is renamed or becomes non-existent, any links connecting to that URL would result in 404 errors.

 37.What is anchor text?

Anchor text which denotes to a visible hyperlinked text that can be clicked through the links. Such hyperlinked texts link to different documents or locations available on the web.

38.How many characters limits in & Meta Description tag?

We can add 70 characters in title tag and 160 characters in Meta Description tag.

39. What is Google Sandbox?

Google sandbox is an imaginary area where new websites and their search rating are put on hold until they prove worthy for ranking. In other words, it checks the standard of the website.

40.Tell me something about Black Hat SEO?

In order to get a high ranking in search engine result page, websites go for various methods and techniques which are characterized by two categories. One method that is acceptable by search engine guidelines is known as White Hat SEO, while the other method which is not acceptable by search engine guidelines is known as Black Hat SEO.

41. Name few Black Hat SEO techniques?

  1. Link Farming
  2. Hidden text, etc.
  3. Gateway or Doorway pages
  4. Cloaking
  5. Keyword Stuffing

42.What is the difference between PR (page rank) and SERP (Search engine result page)?

Page rank is calculated on the basis of quality inbound links from other website or webpages to our webpage or a website.

while the SERP means Search Engine Result page is the correct placement of the website or web-pages which is returned by the search engine after a search query or attribute is typed.

43.What is considered as more significant, creating content or building backlinks?

Both are necessary, creating quality content is equally important to building backlinks. Although, building strong backlinks are useful in building authority to a site and for ranking for the site as well, quality content is the first element that is considered to be more responsible for ranking.

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

It was on 20th May, 2015 that Google changed the name of Google Webmaster tools to Google Search Console.

47. What is Google Analytics?

Launched in 2005 by Google, Google Analytics is one of the most empowering analytical tool in SEO, which helps the web masters to track and monitor the traffic on their websites.

48.What is Domain Authority?

Considered to be one of the most influential SEO factors, domain authority is a key performance metric developed by Moz, which rates any website on a 1-100 scale.

49.what is Search Engine Submission?

Search engine submission refers to a specific activity of the web masters tools in which a website or webpages is directly submitted to the search engine so that its online recognition and visibility is increased during the search.


50. What is Google Panda?

Google Panda was a change to Google’s search results ranking algorithm that was first released in February 2011. The change aimed to lower the rank of “low-quality sites” or “thin sites” and low qulaity backlinks, and return higher-quality sites near the top of the search results.

Google Panda was created to target sites that publish low quality content and penalize them if possible.

51. What is Google Penguin?

Google launched the Penguin Update in April 2012 to better identify and regulate websites that were considered spammy or overly-optimized.

The Penguin targeted sites that manifested keyword stuffing as well as those that practiced black-hat SEO. On the other hand, this algorithm rewarded the sites that used white-hat SEO and that were of high quality in a generic sense.

52. What is Google Hummingbird?

Google Hummingbird is a search algorithm used by Google from August 30, 2013. It was designed to embody the special characteristics of speed and precision.

One of the most advantages change in  Hummingbird is that Google was able to refresh not just their index but their search engine as well. However, they also retained important elements such as the search algorithms they previously created.

53.What is HTTPS/SSL Update?

HTTPS (Hypertext Transfer Protocol Secure) is the protocol for secure communication on the World Wide Web. It prevents eavesdroppers from seeing information that visitors send or receive over the Internet.

54.Can you mention the difference between SEO and SEM?

SEM (Search Engine Marketing), it is used for the promotion of website through paid advertising by increasing their visibility in Search Engine Result Page (SERP) in the Ads section.  While SEO is optimizing the web site to increase the organic ranking of a site to get traffic in google search.

 55.What will be your next steps if your SEO methods or technique does not work?

My first attempt would to try analysis the problem and resolve them step by step

  1. Firstly I would try to see whether it is a new SEO project, and then like to re-check there key words.
  2. Also, I would look for relevant key-words that can be helpful.
  3. Even though the webpage and website has been indexed well and still not appearing on the first 10 pages of search engine result page, then I would make some changes in page text, titles and description.
  4. If website is not indexed well or dropped from the index, than it might comprises     serious issues and re-work might be required.

56. What is PPC?

PPC stands for Pay Per Click and is an advertisement campaign hosted by Google search engine.  It is segmented 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 advert, only then the advertiser will be charged.

57. What is 301 redirect?

It is a method by which the user is redirected to new page url to old page url . It is a permanent redirect and it is also useful in directing link juice to new url from old url .

58. What are Webmaster tools?

Webmaster tool is a service provided by Google from where you add the website to index in google and can get backlink information, crawl errors, search queries, Indexing data, CTR etc.

589. What is keyword density and what is the formula for knowing keyword density?

From SEO point of view, keyword density will definitely help to stand out your content from others. The general formula to know the keyword density is ( Total number of keyword/ total number of words in your article) multiply by 100.

60.Can you optimize the website which has pages in millions?

From SEO point of view, for dynamic website, special additional SEO stuffs have to be    implemented.

  1. Good Internal link structure
  2. Generation of dynamic title and description
  3. Dynamic XML sitemap generation

 61.Mention how can you check if someone is not building or re-directing a low-quality backlink to your site?

To prevent someone from building or re-directing a low-quality links to your site, you can use tools like,

  • Ahrefs
  • Open Site Explorer

On regular intervals. You can either request the webmaster to remove the bad link or disavow them.

62. Mention how often should you perform a link audit?

A link audit may be tedious and complicated process.  If you have just started on building links you can do audit quite often.  But a complete link audit should be done approximately once a year.

63.What are Google Sitelinks?

Google Sitelinks are the sub-listings that will sometimes show under the first listing on the first page of Google search results.

64.What is Google trends?

Google Trends is a public web facility of Google Inc., that shows how often a particular search-term is entered or used to search, relative to the total search-volume across various regions and languages in the world.