Seo Interview questions

Seo Interview questions
1) What is SEO and List its types?
2) What is Link Building in SEO?
3) Describe Alexa Rank in SEO?
4) Explain 301 Redirect and when would you use it?
5) List some advantages of link building in Seo ?
6) Differentiate between Dofollow and Nofollow?
7) What is Canonical URL?
8) What is the long tail keywords?
9) What are LSI keywords?
10) What is a No-Follow link?
11) What is a Do-Follow link ?
12) List Types of SEO?
13) What is On Page and Off Page Optimization?
14) What do you mean by Page Rank or PR?
15) What is an in bound and out bound Link?
16) Why backlinks are important in SEO?
17) What are best ways of getting a real backlinks to your site?
18) How many types of Meta Tags are there in SEO and what are their characters limits?
19) What is Google Sandbox?
20) What are the character limitations of title and description tags?
21) Explain Cross-linking and its functions in SEO ?
22) What is Cloaking?
23) What are the steps would you follow to optimize a website?
24) What is Keyword Density?
25) What is HTML Sitemap?


What is SEO?

SEO remains for Search engine optimization. It alludes to methods that enhance your site rank position in natural (or regular) query items pages or SERPs, it is additionally a capacity that ought to be considered to enhance general business execution of your site for the guests who are searching for your item or administration by means of web crawlers. Below SEO interview questions help you to crack interviews on Search engine optimization.


What is SEO and List its types?

SEO(Search Engine Optimization): SEO stands for Search Engine Optimization. SEO is the method of changing the top rank of a webpage or website in the search results of a search engine.
SEO is a process of keep changing the position of a webpage or website in a search engine results by using desired keywords or phrases.

There are two types of SEO

ON page Optimization.
OFF page optimization.

What is Link Building in SEO?

Link building basically means “making incoming links to a website”. This can be achieved in many different ways.

Here are few examples of link Building:

1. Reciprocal linking is what we call when two webmasters decide to link to each other’s sites.
2. When you submit your site to website directories, you get a link from these directories to your website.
3. When you buy blog posts from a blogger, where he or she writes a blog post about your site, and links to it, is also a very important link building practice.
4. If another site publishes a popular newsletter, and mentions your website, with a link to it, this is also considered link building.

Describe Alexa Rank in SEO?

Alexa is a Ranking System set by Alexa.com. Alexa calculates the quality of the website and gives the rank to the website that is compared with world-wise websites and gives the local rank according to the domain registered country.


Alexa gives more information about the website i.e. how many people are visiting the site daily, bounce rate and shows the number of backlinks the website contains.

Explain 301 Redirect and when would you use it?

The meaning of 301 Redirect is ‘moved permanently’ and is a way to send both users and search engines to a different URL from the one they originally requested.One can use 301 redirect to permanently move a website to a new domain.

List some advantages of link building in Seo ?

Advantages of link building in Seo

Link building increases quality traffic from relevant sites.

If there are many higher quality links to a website, the website that is linked to, is considered higher quality as well.

Link building puts your website on a map, so to say.

More traffic through your link building efforts means more income from your website.

Differentiate between Dofollow and Nofollow?

Dofollow link

Dofollow link is a kind of hyperlink which enhances the ranking of your site as it acts as a backlink that is counted by search engines.

Nofollow link

Nofollow link is an HTML attribute value used to instruct search engine bots that a hyperlink should not influence the ranking of the link target in search engine’s index.

What is Canonical URL?

Canonical URL is preferred URL among different versions of your website URL. It helps the search engine chooses one to use among multiple. You can set canonical URL of your website or page are below

<link rel="canonical" href="your-preferred-url"/>

What is the long tail keywords?

Long-tail keywords are used to target specific user queries. Long tail keywords are longer and contains two or more words.

What are LSI keywords?

LSI stands for Latent Semantic Indexing. LSI keywords are conceptually related terms that search engines use to deeply understand the content on a webpage.

What is a No-Follow link?

Nofollow links are a type of link in HTML that is created by adding rel="nofollow" attribute. We create nofollow links to instruct search bots to not influence the target link to rank or follow in index.

What is a Do-Follow link ?

Dofollow links are the type of links that allows search engines to follow the link and reach to the target website. Dofollow passes the links juice and a backlink. By default, all links are the type of Dofollow.

List Types of SEO?

There are mainly two types of SEO.

1. OnPage SEO.
   OnPage optimization incorporates those systems that should be possible on the pages of a site. On page optimization includes guaranteeing whether a specific site page is organized in a way with the goal that it gets found by the web indexes for given keywords. It, not just aides in getting great internet searcher positioning additionally expands general decipherability of the webpage.
2. OffPage SEO.
   Off page SEO alludes to procedures that can be utilized to enhance the position of a site in the web index results page (SERPs). Numerous individuals partner off-page SEO with third party referencing yet it is not just that. It is a normal procedure and must be done morally for better and long term results.

What is On Page and Off Page Optimization?

On Page and Off Page both activities play an important role in the SEO of a website.

On page Seo Activities consists of:

• Optimization of Page Titles
• Optimization of Meta Descriptions
• Use search engine friendly URLs
• Use (H1, H2, H3, H4, etc.) heading tags in your body.
• Keyword Density: Use relevant keywords in your article.
• Optimize page images.
• Do proper Internal Linking.

Off-page Seo Activities list:

• Social Networking Sites sharing.
• Blogging
• Blog Marketing
• Forum Marketing
• Search Engine Submission
• Directory Submission
• Social Bookmarking
• Link Baiting
• Image Sharing
• Video Marketing
• Local Listings
• Article Submission
• Quora Answering

What do you mean by Page Rank or PR?

PageRank (PR) is an algorithm used by the Google search engine to measure the authority of a webpage. It was invented by Larry Page and Sergey Brin the founders of Google. 

What is an in bound and out bound Link?

Inbound Links: These links are the type of links which are coming to our website from another website.

Outbound Links: These links are the type of links which are going from our website to another website.

Why backlinks are important in SEO?

Backlinks also are known as inbound link are links from another website to our website. Backlinks are important because some search engines like Google, Bing give more credit to websites that have a good number of quality and relevant backlinks. At the time of creating backlinks, it is recommended to check website authority and spam score.

What are best ways of getting a real backlinks to your site?

Below are a few good ways to get real Backlinks.

1. Create Infographics.
2. Write good articles that people links.
3. Do Guest Posting on Niche Website.
4. Spy your competitors.
5. Write testimonials

What are the character limitations of title and description tags?

There are no hard and fast rules regarding the length of title and meta description tags. However, the recommended length of title is somewhere between 65 to 70 characters including spaces, because more than this likely to be truncated in the search results.

What is Google Sandbox?

Google Sandbox effect, also known as sandboxing and/or Google penalty is the name that is given to the observation of the system by which Google ranks a large number of web pages in the index of its own. Not everybody is sure of its existence but it is believed that this filter came in the Google algorithms more than a decade ago in 2004, somewhere around March.

What are the character limitations of title and description tags?

Latest character limits of title and description tags:

• Description tag Length: Approximately 160 characters.
• Title Tag Length: Approximately 70 characters.

Explain Cross-linking and its functions in SEO ?

A cross-link is a bond that links one polymer chain to another. They can be covalent bonds or ionic bonds. "Polymer chains" can refer to synthetic polymers or natural polymers (such as proteins).
 When the term "cross-linking" is used in the synthetic polymer science
field, it usually refers to the use of cross-links to promote a
difference in the polymers' physical properties. When "crosslinking" is
used in the biological field, it refers to the use of a probe to link
proteins together to check for protein–protein interactions, as well as other creative cross-linking methodologies.

Cross-linking is used in both synthetic polymer chemistry and in the
biological sciences. Although the term is used to refer to the "linking
of polymer chains" for both sciences, the extent of crosslinking and
specificities of the crosslinking agents vary. Of course, with all
science, there are overlaps, and the following delineations are a
starting point to understanding the subtleties.

When cross links are added to long rubber molecules, the flexibility
decreases, the hardness increases and the melting point increases as
well.

What is Cloaking?

Cloaking is a technique in SEO in which two different content is presented one for search engine crawlers and other is for user browser.

This technique is considered as a violation according to Google's Webmaster Guidelines.

What are the steps would you follow to optimize a website?

For optimizing a website, following steps, should be followed:

• Keyword Research

All the search optimization begins with keyword research. It is important to have an understanding of the current search landscape and your keywords. This will help at the beginning of any marketing strategy as well as occasional re-evaluate. Since these numbers change continuously, therefore, you have to keep yourself up-to-date.

It is crucial to use Google Keyword Planner, begin with your location and industry.

• Craft outstanding content with keywords

While creating content, you must keep the keywords in mind. The main motive of the content is to reach the audience who are looking for it. With proper keywords, you can help content reach effectively. Try to use keywords as often as possible but naturally.

• Speed up your website

Slow running websites are a curse. It is important to make sure your page is always up to speed. You can do this by a tool called Google Speed Insights. This tool will help tell if your page is running slow and give suggestions on how to speed it up.

• Update page titles

Most of the businesses have page titles as simply their business’s name. The best search names usually follow the city + service format. 

What is Keyword Density?

Keyword density is the percentage or amount of keywords or phrases that are present on a web page in comparison to the total number of words present on the page. It is the keyword density by which the relevance of a web page with a specific keyword phrase or keyword is determined, under the concept of Search Engine Optimisation. It is important to understand the context of keyword density for better SEO.

What is HTML Sitemap?

The HTML sitemap is site navigation’s text version that too in a bulleted outline. The visitors of the website can easily look for a topic on the sitemap which they are not able to find anywhere on the site by navigating and searching through menus, or the site. With the help of an HTML sitemap, the visitors on a particular site can easily move on the website from one page to another. 

What is XML Sitemap?

The XML Sitemap is a type of text file that serves the purpose of containing details regarding all the URLs on a particular website. And not just the URLs but extra information about each one of them as well such as metadata, their importance, their other versions, etc. But the main use of a sitemap is to assist the search engines to crawl the website easily so that new changes can be fed to the crawlers directly.

Explain what is Serp?

SERP stands for Search Engine Results Page, or Search Engine Results Page, and refers to the list of websites that a search engine returns in response to the keywords of the search. The results usually include a list of websites with their titles, links to the sites and a short description showing where the search matches the content of the page.

Search engines can show three types of results: lists of sites that have been indexed by search engine spiders, lists indexed directly by people and lists of links that paid to appear in search results. There is also search for images, maps, news, and blogs.

Explain Link Baiting? 

It is any content or feature on a website that in some way encourages visitors to create links to it from their own sites. It is the best free and legal strategy, but the most difficult to achieve. Your site needs to contribute something really valuable to get hundreds of links.