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Meta Tag Analyzer

Check the page's SEO meta tags and receive optimization recommendations.

What are meta tags and why are they important for SEO?

Meta tags are snippets of HTML code placed in the section of a page that provide information about its content to search engines and social platforms. Although users do not see them directly, they have a huge impact on how the page appears in search results, how its preview looks when shared on social media, and how it is interpreted by crawlers.

Title

The most important SEO element — appears in search results as a clickable headline.

Description

A short description of the page displayed under the title in search results.

Open Graph

Controls the appearance of the page preview when shared on Facebook and LinkedIn.

Twitter Card

Analogous to OG — defines the appearance of the link shared on Twitter/X.

Optimal meta tag lengths

Tag Minimum Optimum Maximum Notes
Title 30 50–60 60 Google truncates after approx. 600px in width
Meta description 70 120–160 160 A truncated description is sometimes replaced by Google
og:title 50–90 Can be longer than the title
og:description 100–200 Depends on the platform
twitter:title 50–70 70 Twitter truncates long titles

Most important SEO meta tags

<title>
Page title
The most important on-page SEO factor. Should contain the main keyword, preferably at the beginning. Unique for each subpage.
<meta name="description">
Page description
Does not directly affect ranking, but a well-written description increases CTR in search results. Should encourage clicks.
<meta name="robots">
Directives for robots
Controls indexing: noindex (do not index), nofollow (do not follow links), noarchive (do not cache). Missing tag = index, follow by default.
<link rel="canonical">
Canonical URL
Indicates the canonical (preferred) version of the page. Prevents duplicate content issues when different URLs lead to the same page.
<meta name="viewport">
Viewport
Essential for correct display on mobile devices. Google uses mobile-first indexing — a missing viewport can hurt rankings.
<meta property="og:image">
OG Image
The image displayed when sharing on social media. Recommended size 1200×630px. The absence of an image drastically reduces CTR when sharing.
Tip: Use our tool Open Graph Preview to see how your page looks when shared on social media.

Frequently Asked Questions (FAQ)

Does the meta description affect Google ranking?

Not directly — Google has officially confirmed that meta description is not a ranking factor. However, a good description increases CTR (click-through rate), and a higher CTR can indirectly affect position. Furthermore, Google often replaces the description with its own snippet if it deems it a better match for the query.

How many characters can a meta description have?

Google usually displays 120–160 characters of the description, though it depends on the device and result type. On mobile, the limit is lower — approx. 120 characters. A description longer than 160 characters will be truncated with an ellipsis.

Should every page have a different title and description?

Yes — duplicate titles and descriptions are one of the most common SEO mistakes. Google treats pages with identical titles as less valuable. Each subpage should have a unique title describing its specific content.

What is Open Graph and why is it important?

Open Graph (OG) is a protocol developed by Facebook that controls how a page looks when shared on social media. Without OG tags, social platforms try to pull the title and image themselves, often with poor results. Good OG tags increase CTR when sharing.

What is a canonical URL and when to use it?

A canonical URL informs search engines which version of a page is preferred when the same content is available at several addresses (e.g., with and without www, with and without parameters). Use canonical whenever you have: subpages with sorting/filtering parameters, HTTP and HTTPS versions, or when the same content is available at different URLs.

What does meta robots noindex mean?

The noindex directive tells search engines not to index a given page — it will not appear in search results. Use it for: administrative pages, internal search results, pages with UTM parameters, test and staging pages.