SEO Interview questions and answers

Technical question and answer 

1. What to do if a page doesn’t index?

If you found Google isn’t indexing your website, you need to consider the following

• Review the robots.txt file to identify no disallow any web pages

1. What will happen if two pages have the same content?
1. Google never said they will penalise due to the duplicate content. They said they show only the most valuable and relevant page
2. When 404 error pages are harmful for SEO?
1. 404 page doesn’t harm to SEO but when site generates 404 error pages regularly, then it harms SEO due to technical issues
3. How frequently GSC data is being updated?
1. GSC data is updated approximately every 28 days
4. What is the difference between the “nofollow”tag in the header of the page and “disallow” in the robots.txt?
1. Nofollow tag in header (<meta name=”robots” content=”nofollow”>) means telling Google not to use this page for link equity or page authority and disallow in the robots.txt file meaning not to crawl the page
5. When can we apply “nofollow” and “disallow”?
6. Should we allow Google bot to index code level?
1. Yes, Google can understand the content by crawling HTML, CSS and JavaScript
7. How to invite Google bot to index the page technically?
1. If you add an XML site, set up robots.txt file, add internal links, etc. Google bot will come to visit the website
8. How to optimise a site robots.txt file?
1. You need to add various technical elements to invite Google bot or which part do you want to index by Google
9. Why do we use priority in XMLsitemap?
11. Which version of the website Google bot index?
12. How many times does Google bot index a page before qualifying a ranking?
13. How long does it take Google to rank a page?
1. To rank a keyword in the first-page in Google typically takes three to six months. In cases of high competition or insufficient optimization, it might extend to six to 12 months before seeing results.
14. Can Google index a page that is blocked by password?
15. How to deindex a site section? Example: Filter section in E-commerce site
16. Can we optimise an International site with a hreflang tag?
1. Yes
17. Should we verify both versions of the website like www and non version in GSC?
1. Yes
18. How to improve the page speed?

Most of the cases JavaScript causes page speed. The site speed can be improved by rendering a page before loading the JavaScript. Also we need to leverage cache system across the site , which will help to improve page speed. Set up the i

1. Does Google uses user experience metrics to determine the page speed?

Yes, Google use user experience metrics from Chrome to determine the page speed and also other metrics

1. When Google considers Structured data as rich snippets in the search results?
2. Why does Google penalise a site?
1. When site owners violates their policy or manipulate their system, then Google penalise a website
3. Which navigation harms SEO and how?

Faceted navigation can create negatively impact on SEO in the following ways, 1>Duplicate content

2>Wasted crawl budget

3>Diluted link equity.

Solutions:

Noindex:

Robots.txt

Canonical tags – 

AJAX – Because it doesn’t create any URLs

1. Do you know how to use lazy load images for your SEO strategy?

Google recommends to use a noscript tag or marking them up with structure data to index the lazy load images

1. What is render-blocking JavaScript and how does it work?

This rule triggers when PageSpeed Insights detects that your HTML references a blocking external JavaScript file in the above-the-fold portion of your page. You should avoid and minimise the use of blocking JavaScript, especially external scripts that must be fetched before they can be executed. Scripts that are necessary to render page content can be inlined to avoid extra network requests, 

1. Is page importance determined by more clicks than structure?

When Google considers a page importance, they give more weight to how many clicks to get a page rather than URL structure structure looks like