Written and reviewed by Asad Haroon, Founder, AdCrowd. Last updated October 2026.
SEO (search engine optimization) is the work of making your website easy for search engines to find, understand and trust, so it appears when people search for what you sell or do. It covers three things: the technical health of your site, the pages and content that match what people search for, and the signals from other sites and customers that show you can be trusted. Done well, it brings steady visitors who were already looking for you, without paying for each click.
How does a search engine decide what to show?
Google and other engines do three things before they show you a result.
- Crawling: software follows links across the web and reads pages. If it cannot reach a page, nothing else can happen.
- Indexing: the engine stores and organizes what it found. A page that is blocked, duplicated or thin may be left out of the index.
- Ranking: when someone searches, the engine picks the indexed pages most likely to answer the query and orders them. Hundreds of signals are involved. Relevance, quality, usability and trust matter most.
SEO is making sure each of those three steps works in your favor. A page can fail at any one of them, and the fix is different in each case.
What are the three parts of SEO?
| Part | What it covers | Example of a problem |
|---|---|---|
| Technical SEO | Crawling, indexing, speed, mobile use, structured data | Important pages blocked from Google, or slow on mobile |
| On-page SEO and content | Titles, headings, page content, internal links, images | A service page that never answers the question people search |
| Off-page SEO | Links from other sites, brand mentions, reviews | No reviews or mentions, so Google has little reason to trust the site |
Most weak SEO programs overinvest in one part. A site full of articles but with broken indexing gets nowhere. A technically perfect site with thin pages gets nowhere either.
What are the main types of SEO?
- Local SEO: helps a business with a physical location or service area show up in Google Maps and local results. See our local SEO service.
- E-commerce SEO: focuses on category and product pages and on tying organic traffic to revenue. See e-commerce SEO.
- Technical SEO: deals with crawling, indexing, speed and structured data. See technical SEO.
- International SEO: helps a site rank in several countries and languages. See international SEO.
- AI search optimization: aims to make a brand understood and cited by tools such as ChatGPT, Gemini and Perplexity. See AI search optimization.
How is SEO different from paid ads?
| SEO | Paid search (PPC) | |
|---|---|---|
| Cost model | Work upfront, no charge per click | Pay each time someone clicks |
| Speed | Weeks to months | Immediate |
| Stops when you stop? | Results usually persist, but need upkeep | Traffic ends when the budget does |
| Best for | Steady, compounding demand | Testing offers, launching, short campaigns |
The two work well together. Paid search shows quickly which keywords convert, and SEO can then build pages for them. For one skincare client, paid campaigns on generic queries gave early keyword positioning while an SEO rebuild matured. Organic search later became the largest source of purchasers. Read the Jenpharm case study.
How long does SEO take to work?
Technical fixes can change how a site is crawled within weeks. Rankings for competitive terms usually take months, and the exact time depends on your starting point, your competition and how much needs fixing. A site with no existing authority takes longer than one that already has traffic. Be wary of anyone who gives you a date or a guaranteed position, because nobody outside Google controls the results.
How do you start with SEO?
- Set up measurement: connect Google Search Console and Google Analytics 4 before changing anything, so you can compare later.
- Check that your site can be crawled and indexed: search your domain with “site:yourdomain.com” and review the Pages report in Search Console.
- List what customers search for: write down the exact phrases people use for your products or services, and group them by what the searcher wants.
- Give every important search its own page: one page, one clear purpose.
- Fix the basics on each page: a clear title, a single main heading, helpful content, internal links and fast loading. Our on-page SEO checklist walks through this.
- Complete your Google Business Profile: if you serve customers in a place. Our Google Business Profile guide covers setup.
- Earn trust: ask customers for reviews and aim for mentions and links from relevant sites. Skip link packages.
What are the most common SEO myths?
- “More keywords means better rankings.”: repeating a phrase does not help. Covering the topic well does.
- “SEO is a one-time project.”: search results, competitors and your own site keep changing.
- “Meta keywords matter.”: google does not use the meta keywords tag.
- “You can buy a first-page ranking.”: anyone who promises that is guessing or planning something risky.
- “AI has made SEO obsolete.”: aI answers draw on pages that search engines can crawl and trust, so the fundamentals still decide who gets cited.
How do you know SEO is working?
Look at outcomes as well as rankings: organic clicks for non-branded queries in Search Console, organic leads or orders, and revenue where you can track it. In the Jenpharm project, the reporting that mattered was GA4 organic purchase revenue, purchasers and first-time purchasers with the comparison period stated, next to Search Console clicks and average position. Rankings alone can improve while sales stay flat.
Should you hire an SEO agency or do it yourself?
A small site with one owner can get far with the steps above. Larger catalogues, competitive markets, technical problems or a lack of time are the usual reasons to bring in help. If you do hire, ask for results with the source and the comparison period, ask who does the work, and ask what the agency will not do. Our SEO agency page lists the questions we would ask in your position.
What does SEO look like for a business in Pakistan?
The principles are the same everywhere, but a few local details change the work. Many searches are in English, Urdu or Roman Urdu, and shoppers often add “price in pakistan” or a city name. Mobile is the main device, so speed and layout on a phone matter more than on desktop. Customers often prefer to call or message on WhatsApp, so contact options need to be one tap away, and your tracking should count them. Marketplaces and large retailers occupy many generic results, so winning usually means choosing specific searches you can answer better. Our SEO agency page explains how we approach this in practice.
What is the difference between SEO and SEM?
SEM (search engine marketing) is the wider term for any marketing on search engines, including paid ads. SEO is the unpaid side. Some people use the terms interchangeably, which is why it helps to ask what exactly is being offered: improvements to your site and content, paid campaigns, or both.
Frequently asked questions
What does SEO stand for?
Search engine optimization: improving a website so it appears in relevant results on search engines such as Google.
Is SEO free?
The clicks from organic results are free, but SEO takes time and skill, whether you do it yourself or pay an agency.
How much does SEO cost in Pakistan?
Cost depends on site size, competition and how much needs fixing. Reputable providers quote after reviewing your site rather than from a fixed price list.
Can I do SEO myself?
Yes, for a small site. Start with measurement, a clear page for each important search, good titles and a complete Google Business Profile if you are local.
Does SEO still matter with AI search?
Yes. AI tools cite pages they can crawl, understand and trust, so technical health, clear answers and reputation still decide who appears.
How do I choose an SEO agency?
Ask for results with their source and comparison period, who will do the work, how links are earned and what the agency will not do.
Not sure where your site stands? Tell us your website and goal and we will say what we would fix first.