In simple words, SEO or Search Engine Optimization denotes to any activity performed for the improvement of Search Engine rankings of websites, products, services or other content. It shows unpaid results which is also referred to as “free”, “organic”, “natural” or “earned” results. The importance of SEO starts with the desire of the companies to gain more traffic for their websites. The ranking over search engines matter because users pay more heed to the first 5 searches on Google. Moreover, the users tend to trust Google’s refined search results because they consider these searches to be more authentic and specific.
On-Page SEO is what you do on your website to get higher rankings in search. It includes optimizing your content, HTML code, Title and Meta Tags, Image Alt Text, Keyword Density, etc. On-Page is 100% in your control. Make sure to read this detailed article on on page SEO techniques that will help you know many more interview related terms like dwell time, perfect keyword placement strategy which is highly important in SEO interviews.
Off-Page SEO is something which you do outside of your website. It includes Link building, Social Media Marketing, Content Marketing which helps you build the overall brand presence of a site in the offline world. Remember, Off-Page SEO is not 100% in your control.
On-Page SEO is done on your website pages and content. With On-Page SEO you have full control. However, with Off-Page SEO you can’t control everything. Off-Page SEO is something which you do to increase your brand presence outside of your website.
White Hat SEO is building links in a white label way which is highly aligned with Google terms and conditions.
Black Hat SEO is building links in an illegal way which doesn’t come under the guidelines of Google’s terms and conditions. If done the wrong way your site might get penalized.
Long tail keywords are phrases containing over 4+ words that make search results highly specific.These long phrases are used by smart SEO experts when they attempt to draw quality traffic to their websites rather than having random traffic, and increase their lead conversion rates.Also, long tail keywords are easy to rank compare to single word keyword.
The Title tag should be between 66-70 characters, and Meta Description tag should be between 230-320 characters.
Backlinks are the incoming links to your website from other websites. Backlinks play a vital role in SEO. If your page has good authority backlinks from several big websites, Google will give more importance to your page compared to low authority backlinks page.
A Do-Follow Link, 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 link juice or link points are, the greater would be the search ranking of that web page, as these links make the web page appear very relevant and popular to the Google search engines.