Is Google Analytics essential to grow a website? Why and how?

Analytics shows you data from all channels that are directing traffic to your website, including:
Organic Search (SEO)
Paid Search (PPC)
Social Media.
Referrals (Backlinks)
Direct Traffic.

Not exactly it directly effect website traffic but it helps you to understand the behavior of user which was visiting on your website. You can check out everything like how many users are coming from specific place on specific keyword. You can check out CTR of any article for keywords and can use this information to improve it. This is one of the best SEO traffic analytic tools which google offers free of cost.

Google Analytics is for tracking behavior patterns of website visitor it helps in identifying what your audience are most interested in your site

Google Analytics is one of the top, most powerful tools out there for monitoring and analysing traffic on your website.It gives you an enormous amount of information about who is visiting your site, what they are looking for, and how they are getting to your site

Google Analytics is essential, it does not directly help to grow the website but it allows you to track your website activity. Which is indeed very important for your website.
There are many section ing Google analytics to see also there are segments and phases. You can measure your traffic sources and make strategies accordingly.

Google analytics very useful for the growth of any website. From Google analytics, you can find where your website users are coming and what is their interests. You can also check whether users are coming from desktop/laptop or mobile. You can also find the gender age group of your viewers. Accordingly, you can design your website and place the contents as per user type to feed them with the required information on their need. This will increase your viewership and your website will grow.

Google Analytics is one of the top, most powerful tools out there for monitoring and analysing traffic on your website.It gives you an enormous amount of information about who is visiting your site, what they are looking for, and how they are getting to your site.