What is SEO?
Covered here
- What SEO means, in one plain sentence
- How organic results differ from paid ads
- How SEO helps at each step: crawl, index, rank
- The three pillars of SEO: technical, on-page, and off-page
Short answer
SEO, or search engine optimization, is the work of making your website easy for Google and other search engines to find, understand, and trust. When you do it well, your pages show up higher in the organic search results. That brings free, steady traffic from people who are already looking for what you offer. In Lessons 0.1 and 0.2, you learned what a search engine is and how it crawls, indexes, and ranks pages. Now you will learn how to help your own pages rank.
What SEO means in plain words
SEO stands for search engine optimization. It is the work of improving your website so Google and other search engines can find it, understand it, and trust it.
Think of a search engine like Google or Bing as a huge library. Every day, millions of people ask the librarian a question. SEO helps the librarian pick your page as the best answer.
You do not pay Google or any other search engine for this. You earn it with useful pages that load fast and answer the search well.
Organic results vs paid ads
When you search on Google, Bing, or another search engine, you see a search engine results page, or SERP. It is the list of results for your search.
Search for “coffee shop in Makati” and you will usually see two kinds of results:
- Paid ads carry a “Sponsored” label. Businesses pay the search engine each time someone clicks. On Google, this is Google Ads. On Bing, it is Microsoft Advertising.
- Organic results have no label. Nobody paid for these spots. The search engine picked them because they match the search best.
SEO is how you earn the organic spots. The visitors you get from them are called organic traffic.
Ads stop the moment you stop paying. Good organic rankings can keep bringing visitors for months or even years. That is why small businesses, freelancers, and VAs in the Philippines learn SEO.
See it on Google yourself
Step 1 of 5
Open Google
Go to google.com.ph or open the Google app. Use a private or incognito window so your past searches do not change the results.
Search a local query
Type something like “lechon delivery Cebu” or “dentist in Quezon City,” then press enter.
Spot the ads
Look for results labeled “Sponsored.” Count how many you see. These are paid ads.
Spot the organic results
Scroll past the ads. The unlabeled results below them are organic. These are the spots SEO helps you win.
Look at one result closely
Each result has a blue headline and a short gray summary. The headline usually comes from the page’s title tag. You will write one later in this lesson.
Where SEO fits in crawl, index, rank
Remember the three steps from Lesson 0.2. SEO helps at each one:
- Crawl. Clear links and a sitemap help search engine bots find your pages.
- Index. Clear, original content helps search engines understand and store your pages.
- Rank. Helpful content that matches search intent, the reason behind a search, helps your pages rank higher.
Someone typing “buy rice cooker” wants to shop. Someone typing “how to cook rice” wants steps. Good SEO gives each search the page it expects.
The three pillars of SEO
Most SEO work fits into three groups, often called the three pillars.
Technical SEO. Can Google and other search engines crawl and index your site? This covers page speed, mobile friendliness, XML sitemaps, and broken links.
On-page SEO. Does each page answer the search? This covers keywords, title tags, meta descriptions, headings, and the content itself.
Off-page SEO. Do other websites trust you? This covers backlinks, which are links from other sites to yours. It also covers brand mentions and online reviews.
Try it: write a title tag
The title tag is the blue clickable headline you saw on Google and other search engines. It is one of the easiest on-page SEO wins.
A good title tag includes your main keyword and stays short enough to show in full. Below it sits the meta description, a short summary that helps people decide to click.
Edit both fields below. Watch the Google preview update as you type.
Aim for a title of about 50 to 60 characters. Google measures titles in pixels, so wide letters like W and M use up space faster. For the description, aim for 120 to 160 characters.
Google can rewrite your title or description if it finds a better match for a search. A clear, honest title makes that less likely.
Quick quiz
Common mistakes
- Treating SEO as a one-time task. Search results change often. Plan to review and update your pages regularly.
- Stuffing keywords everywhere. Repeating a phrase over and over makes a page hard to read. Google and other search engines treat keyword stuffing as spam.
- Expecting results in a week. New sites often need months before rankings grow. Be patient and keep publishing.
- Writing for bots instead of people. Google and other search engines reward pages that help real readers. Start with what your customer wants to know.
Your action
Tick each item when you can do it. Your progress saves on this device.
Key terms
- Search engine
- A website or app, like Google or Bing, that finds and lists web pages that match what you type.
- SEO (search engine optimization)
- Improving a website so it ranks higher in organic search results.
- SERP (search engine results page)
- The page of results Google or another search engine shows after you search.
- Organic results
- Unpaid results that Google and other search engines rank on their own.
- Organic traffic
- Visitors who reach your site by clicking an organic result.
- Ranking factors
- The signals Google and other search engines use to decide which pages show first.
- Keyword
- A word or phrase people type into Google or other search engines, like “lechon delivery Cebu.”
- Title tag
- The page title that usually appears as the blue headline in Google and other search results.
- Backlink
- A link from another website to yours.
Questions beginners ask
Is SEO free?
SEO costs nothing per click, unlike ads. You still invest time, or pay someone to do the work. Many helpful tools, like Google Search Console, are free.
How long does SEO take to work?
Most new sites need several months before rankings grow. Google itself says changes can take months to show results.
What is the difference between SEO and Google Ads?
Google Ads are paid: you pay each time someone clicks your ad. SEO earns organic spots that cost nothing per click, but they take longer to build.
Can I learn SEO on my own?
Yes. Many SEO specialists and freelancers in the Philippines started with free lessons and practice sites. This course is built for exactly that.
Related lessons
Want someone to handle SEO for your business while you learn? The team at Remar Digital can help.