What’s SEO? (Search Engine Optimization)
SEO (Search Engine Optimization) is a digital process through which a website or content is brought to a higher ranking in search engines like Google, Bing, and Yahoo.
If your site appears on the first page of Google results for “Best Coffee Shop Dhaka,” it’s due to SEO.
SEO not only increases the visibility of the website but also creates organic traffic, brand value, and credibility.
Why SEO Is So Important
Today, 93% of internet users search for information in search engines.
However, more than 75% of them never click on the second page.
That is, if you are not on the first page, your website is virtually invisible.
SEO works in such a way that your content is considered “relevant and authoritative” in the eyes of search engines.
The Three Pillars of SEO
1️⃣ On-Page SEO
The internal workings of the website:
- Meta title and description
- Keyword Optimization
- Use of H1–H3 headings
- The alt text of the image
- Internal linking
- Improving relevance
See also: On-Page SEO Checklist: How to Rank a Blog
2️⃣ Off-Page SEO
Website outreach plays a crucial role in building authority and trust.
- Backlinks: (links to your site from other sites)
- Social media and brand mentions
- Guest blog posting and influencer outreach
See also: How to Create a Backlink—The Complete Guide
3️⃣ Technical Aspects of SEO
The technical aspects of SEO include:
- Increase the speed of the website
- Make it mobile-friendly
- Use of HTTPS (SSL)
- Set XML Sitemaps and Robots.txt correctly
- Check for broken links
Refer to the Technical SEO Guide for the Website Health Checklist.
What’s a Keyword?
Keywords are words or phrases that people type into search engines to find the information they want.
Example:
- The best mobile phones of 2025
- How to learn SEO in English
- An online course on digital marketing
These are the words that tell Google what the content is about and who to show it to.
Keyword Types
TypeDescriptionExample Short-tail keywords are general searches consisting of 1 to 2 words, such as “SEO” and “Digital Marketing.” Long-tail Keyword Specific and detailed search phrases “Easy way to learn SEO in Bengali” LSI Keyword (Latent Semantic Indexing) Words related to the main keywords “Google Ranking” and “Search Optimization”
How Does SEO Work?
Google analyzes websites using a powerful algorithm.
This algorithm looks at the following factors:
- The quality of the content
- Relevance of keywords
- The user experience
- The number and value of backlinks (Authority)
- Speed and mobile-friendliness
The website that has all these factors right gets a rank on the first page.
