What Is On-Page SEO? Complete Step-by-Step Guide for Google Rankings 2026

On-Page SEO is optimizing what's on your web pages so Google can understand and rank them. Unlike Off-Page SEO (backlinks, reviews), On-Page SEO is 100% within your control and is the foundation to build before anything else. Read the full SEO overview

1. Title Tag - The Most Important Element

The Title Tag appears in Google results - it's the first thing customers see:

• •Put primary keyword first - e.g., "Japanese Restaurant Silom | Name - Free Delivery"
• •50-60 characters - longer gets truncated by Google
• •Unique per page - never duplicate titles across pages
• •Include CTA if possible - "Free shipping", "From 999 THB"

2. Meta Description - The Click Magnet

The 2-3 line description below the title in search results:

• •150-160 characters - too short isn't compelling, too long gets cut
• •Include primary keyword - Google bolds matching terms
• •Add CTA - "Learn more", "Free consultation", "Order now"
• •State value proposition - why click your site vs competitors

3. Heading Tags (H1, H2, H3)

Headings tell Google what each section is about:

• •H1 - main page title, exactly 1 per page, include primary keyword
• •H2 - section headings (use multiple)
• •H3 - subsections under H2
• •Correct order - H1 > H2 > H3, never skip levels

4. Internal Links

Links connecting pages within your site:

• •Helps Google understand site structure
• •Distributes link equity across pages
• •Reduces bounce rate - visitors read more pages
• •3-5 internal links per article
• •Use descriptive anchor text - not "click here"

5. Image Optimization

Images affect SEO:

• •Alt Text on every image - 5-15 word description with relevant keywords
• •Meaningful file names - `clinic-laser.jpg` not `IMG_1234.jpg`
• •Compress files - WebP/AVIF saves 50-80% without quality loss
• •Lazy Loading - load images when scrolled to, not all at once
• •Responsive - images adjust to screen size

6. Content Optimization

Content is the heart of On-Page SEO:

• •Keyword in first 100 words
• •1-3% keyword density - natural usage, no stuffing
• •Use keyword variations - synonyms and related terms
• •Match search intent - understand what the searcher wants
• •Sufficient length - Blog 1,500+ words, service pages 800+
• •E-E-A-T - show experience, expertise, authority, trust. Read more

7. URL Structure

Clean URLs help SEO:

• •Short and descriptive - `/blog/seo-guide` beats `/blog/post-123?id=456`
• •Include keyword - e.g., `/website/clinic`
• •Use hyphens - `rich-menu-line` not `rich_menu_line`
• •Remove unnecessary parameters

On-Page SEO Checklist

Check every page:

1. 1.☐ Title Tag with keyword, 50-60 chars, unique
2. 2.☐ Meta Description with keyword + CTA, 150-160 chars
3. 3.☐ One H1 with keyword
4. 4.☐ Correct H2/H3 hierarchy
5. 5.☐ Alt Text on all images
6. 6.☐ 3-5 Internal Links
7. 7.☐ Keyword in first 100 words
8. 8.☐ Clean URL with keyword
9. 9.☐ Content matches search intent
10. 10.☐ Mobile-friendly

CherCode Does On-Page SEO on Every Page

CherCode websites come with complete On-Page SEO:

• •Title + Meta Description optimized on every page
• •Heading Structure follows SEO best practices
• •Schema Markup - Organization, BreadcrumbList, FAQPage, BlogPosting
• •Image Optimization - WebP, Lazy Loading, complete Alt Text
• •Starting at just 5,000 THB - On-Page SEO included from delivery