What Is Metadata SEO
Metadata SEO is the use of page code and descriptive tags, especially the title tag and meta description, to help search engines understand a page and present it in search results.
- Also called
- SEO metadata
- Applies to
- Web pages, HTML documents
- Commonly confused with
- Structured data
Key points
- Metadata helps search engines interpret a page's topic and relevance.
- Well-written metadata can improve click-through rate by giving searchers a clear reason to choose the page.
- The most important metadata for SEO is the title tag and meta description.
- Metadata lives in the HTML <head> section and is not visible as on-page content.
- Good metadata must accurately match the page content and avoid misleading searchers.
Where it changes your decision
- When writing a meta description: a clear, persuasive description can increase the likelihood that searchers click your result, though Google may rewrite it.
- When crafting a title tag: the title tag is a strong relevance signal; a well-written one helps search engines match the page to queries and can improve rankings.
- When setting robots directives: adding a noindex or nofollow meta tag changes how search engines crawl and index the page, directly affecting visibility.
Common mistakes
- Treating metadata as only the meta description, ignoring the title tag and other important head elements – this weakens the page's overall SEO signal.
- Writing generic or duplicated titles and descriptions across many pages – search engines may see them as low-quality and fail to display the page for relevant queries.
- Stuffing keywords into metadata instead of describing the page clearly – this can harm user experience and may trigger quality penalties.
- Assuming the meta description will always appear exactly as written in Google results – Google often rewrites snippets, so the description may not be what users see.
Questions people ask
What are meta tags?
Meta tags are HTML tags that provide additional information about a page to search engines and other clients. They are placed in the <head> section and include elements like the title tag, meta description, and robots directives. Meta tags help search engines understand the page's topic and how it should be treated.
What are meta keywords?
Meta keywords are a type of meta tag that once allowed webmasters to list keywords relevant to the page. Google stopped using the meta keywords tag for ranking years ago due to widespread abuse, and other major search engines have largely followed. For SEO today, meta keywords have no value and should be avoided.
What is meta tags in SEO?
In SEO, meta tags are HTML tags that communicate information about a web page to search engines. The most important ones are the title tag and meta description, which influence how a page is indexed and how it appears in search results. Other meta tags can control crawling, language, and social sharing.
Sources
- Google Search Central - Meta tags and attributes Primary source for which meta tags Google supports and how it treats them.
- Yoast - Metadata and SEO part 1: the head section Clear explanation of metadata in the HTML head and common SEO usage.
- Yoast - How to create a good meta description Practical guidance on the meta description and its role in search snippets.
- Google Search Central - Title links in search results Useful for understanding how Google may rewrite titles and display search snippets.
Written and maintained by Nora Lindholm. Last updated 27 July 2026.
Spotted an error? Email me — corrections are logged and credited on the entry. Outbound links are unpaid; most are nofollow.