Onsite SEO
Onsite SEO is an SEO topic covered in SeoWiki.
Key takeaways
- Onsite SEO is also commonly called on-page SEO.
- It covers page elements you control directly, including content, HTML elements, URLs, internal links, and schema markup.
- A core goal is to make the page easier for search engines to interpret and for users to understand.
It helps search engines understand what a page is about and whether it matches search intent, which can improve rankings and clicks. It also improves usability through clearer structure, better navigation, and more descriptive page elements.
Example
Onsite 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 the difference between onsite SEO and off-site SEO?
Onsite SEO refers to optimizations on your own website (content, HTML, structure), while off-site SEO involves external signals like backlinks and social mentions.
Why is onsite SEO important?
It helps search engines understand your page content and match it to user queries, improving rankings and click-through rates.
Related topics
Sources
- Google Search Central — Primary source for how Google handles indexing, content quality, structured data, and page-level SEO signals.
- Google Search Central: SEO Starter Guide — Best Google overview of foundational on-page and technical practices.
- Google Search Central: Create helpful, reliable, people-first content — Useful for explaining content quality and intent alignment on onsite SEO pages.
Reviewed by Lucía Marín, Founding editor.