On Site SEO
On Site SEO is an SEO topic covered in SeoWiki.
Key takeaways
- On-site SEO is also commonly called on-page SEO.
- It focuses on elements you control directly on your website, including content, HTML elements, URLs, and internal links.
- Typical on-site SEO elements include title tags, meta descriptions, header tags, keyword usage, image optimization, URL structure, internal linking, and site speed.
It helps pages become more relevant to search queries, which can improve rankings and organic clicks. It also supports usability through clearer structure, faster loading, and better internal linking.
Example
On-site SEO is also commonly called on-page SEO.
Quick start
- Define the goal for this topic.
- Check the live SERP format.
- Improve one page that matches the intent.
- Measure in Google Search Console.
Common mistakes
- Treating the topic as a one-time task
- Ignoring search intent
- Copying tactics without checking your SERP
Next step
FAQ
What is on-site SEO?
On-site SEO (also called on-page SEO) refers to optimizations made directly on a website’s pages and HTML to improve search engine understanding and user experience. It includes content, title tags, meta descriptions, headers, URLs, internal links, image optimization, and technical factors like page speed and structured data.
What is the difference between on-site and off-page SEO?
On-site SEO focuses on elements you control on your own website, such as content and HTML. Off-page SEO involves external signals like backlinks and social mentions that happen outside your site.
What are the most important on-site SEO elements?
Key elements include title tags, meta descriptions, header tags (H1-H6), URL structure, image alt text, internal links, page speed, mobile-friendliness, and structured data.
Does on-site SEO include technical SEO?
Yes, on-site SEO often includes technical page-level factors such as page speed, mobile usability, indexability, and structured data, though technical SEO can also cover sitewide issues like crawl budget and sitemaps.
Related topics
Sources
- Google Search Central — Best source for Google’s guidance on content, indexing, title links, and page-level best practices.
- Google Search Central: SEO Starter Guide — Covers core on-page and technical basics such as helpful content, titles, headings, and site structure.
- Google Search Central: Create helpful, reliable, people-first content — Useful for the content-quality side of on-site SEO.
Reviewed by Lucía Marín, Founding editor.