How does SEO helps startup who dont have budget for advertising?

A few years ago I had owned the domain for blogging & start to update the content after some time I published the website.
The simple idea is I brought the domain, create content & publish it & then I got huge traffic, I start to earn these is mine mindset which collapsed very badly because I didn't get the expected traffic which caused I haven't earned anything.

Then I stopped blogging & started to found out the reason why my website didn't get traffic & why it's not ranking!
After a lot of research & gone through Reading stuff I got an answer i.e SEO the Search Engine Optimization.   No matter you're doing a start-up or into the business from a long period, SEO is an essential element every marketer or businessman should have to adopt.

Search engine optimization is a powerful tool for start-ups to create visibility of your website in Digital Space which creates value.
For new Entrepreneurs, who don't have or don't wants to spend the budge on paid Advertising like:
1. Search engine Marketing
2. Pay Per Click
3. Social Media Marketing
4. Email marketing
5. Media Buying
6. Mobile Marketing & so on..

These are the major paid advertising techniques of Digital marketing which perform to get traffic & to increased sale.
Let get Dive Deeper into it!

Why start-up should adopt SEO to promote their business:

1. It's Free:   
    Search Engine Optimization (SEO) it's an unpaid activity to drive the organic traffic on your website.  These is a very effective technique not only generate traffic but also improve your ranking factor in Search Engine Result Page(SERP).
    Once you started the ranking in SERP you don't need to pay or spend any kind of budget on Pay Per Click (PPC) ads.
 
2. Organic Traffic: 
    Many marketers perform SEO operation just because of Drive more quality traffic on your website.  Just like organic
    Foods are good for our health just that Google Loves organic traffic & help you to improve ranking.  But we should also
    Focused on to create amazing content so people can relate to it & leads to engagement.

3.Improve Ranking:
   SEO ranking is a constant type of ranking.  It could not disappear overnight or after some days, it's 24 by 7  activity which
   Doesn't sleep once you started ranking so you don't need to pay anything to Google except you need to update your content day
   by day in the forms of Video or case studies.

4.Rate Of Investment:
   The rate of Investment is high because 80-90% activity part is unpaid & the remaining 10% as per the requirement of business.
   But if your getting expected to result from the unpaid activity then paid part its could be in your unpaid one.

5. It's Measurable:
    Google Provides us a most useful tool called "Google Analytics" were we can be optimized our website which includes
    Clicks
    Impression
    Bounce rate
    Engagement
    CTR   etc.

I hope you will definitely find some interesting in the above article & Please do comment which technique you're going to start with?

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