On page SEO is everything you do within your own website to help search engines understand your content. It is about clarity, structure and relevance. Each page should send a clear signal about what it is about and why it matters.
The most important element is the title tag. It tells both users and search engines the main topic of the page. Every title should include your primary keyword naturally and describe what the visitor will get.
The meta description gives a short summary that appears in search results. It does not directly affect rankings, but a clear description can increase clicks. Write it like an ad, not a list of words.
Headings help organize the page. Use one H1 tag for the main topic and H2 or H3 tags for sections within it. This makes the text easier to read and helps search engines understand the structure.
URLs should be short, clean and relevant. Remove numbers, unnecessary words and parameters. A simple URL is easier to share and easier for crawlers to process.
Images should have descriptive file names and alt text. Alt text explains the image to users who cannot see it and gives search engines more context about your content.
Finally, make sure your content actually answers the question behind the search. SEO tags and signals can only support good content. They cannot replace it. When a page is clear, organized and useful, it already meets most of the requirements for good on page SEO.