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Free tool · step 02 of 04 · Understood

Meta Tag CheckerTitles and descriptions that earn the click.

Title, meta description, canonical, viewport and Open Graph tags: present, sized right, unique across pages and describing what’s actually on the page.

Last reviewed · 1 Oct 20265 primary sources →Kalenux engineering
Title lengthDescriptionUniquenessViewportOpen GraphHeading match
meta tag checker · example.com
67/ 100
1 to fix · 2 to review
3 passed · 2 warnings · 1 failed
Title68 chars: may truncateWARN
Description148 charsPASS
Duplicate titleshared by 41 pagesFAIL
ViewportsetPASS
Open Graphog:image missingWARN
H11, matches titlePASS
illustrative result
fetched as crawler · 0.4s
6checks run together
3common faults explained
02step in the fix order
0signups needed
what searchers see first

Your title and description are your ad.

Before anyone visits, they see two lines. The checker shows how yours will look, and where they get cut off. Illustrative example:

✕ BEFORE · TRUNCATED
Ssite.comhttps://site.com › running-shoesRunning Shoes for Men and Women | Free Shipping on All Orders Over $50 | Best…Shop our huge range of running shoes. We have running shoes for every runner, including running shoes for trail, road and track, and running shoes…
✓ AFTER · FITS
Ssite.comhttps://site.com › running-shoesRunning Shoes for Road & Trail | SiteCushioned road shoes and grippy trail shoes, fitted in-store or delivered free over $50. Compare 120 models by drop, weight and terrain.

Search engines cut titles off by pixel width, not character count, and may rewrite either line. The checker flags anything likely to be cut.

eight tags, three audiences

Everything in your <head> is talking to someone.

<title>SEARCHThe clickable headline
meta descriptionSEARCHThe snippet below it, when used
meta robotsSEARCHindex / noindex, follow / nofollow
meta viewportBROWSERMobile layout, required for mobile-friendly
charsetBROWSERHow the text is decoded
og:title · og:descriptionSOCIALThe headline on shared links
og:imageSOCIALThe picture on shared links
twitter:cardSOCIALLarge image or summary card on X
when someone pastes your link

Shared links are a second first impression.

Without Open Graph tags, platforms guess, and they usually guess badly.

✕ MISSING og:image, og:title
no image
site.comHomeCookie settings · Accept all
✓ OPEN GRAPH SET
og:image · 1200×630
site.comRunning Shoes for Road & TrailCompare 120 models by drop, weight and terrain.
rules of thumb, not limits

How long is too long?

Rough targets that usually fit on desktop. What counts in the end is pixel width.

Title~50–60 characters0likely cut off →
Meta description~150–160 characters0likely cut off →
Duplicates only show up across pages.One page can look perfect while 300 others share its title. The full audit compares tags across every URL.
in depth · 5 primary sources

What Google documents about meta tags.

What the search engines document about each check this tool runs, with every claim linked to its source.

01Titles are the main source of title links

Google generates the title link in results automatically, using the <title> element as a main source alongside headings and other signals [1].

It recommends descriptive, concise titles that are unique for each page, and warns against keyword stuffing and boilerplate repeated across pages [1].

KEY FACTGoogle sets no fixed title length. Long titles are simply truncated in results to fit the device width [1].

02Descriptions can be rewritten

Google may use the meta description as the snippet when it describes the page better than on-page text, but it chooses the snippet per query [2].

Unique, specific descriptions for each page give Google a better option to use [2].

03The tags Google actually reads

Google documents the meta tags it supports, including robots, googlebot, description, viewport and charset[3]. Tags outside that list are ignored.

Robots directives such as noindex, nosnippet and max-snippet follow a published specification [4].

04The keywords tag does nothing

Google confirmed in 2009 that it doesn’t use the keywords meta tag in web ranking [5]. The checker notes it but doesn’t score it.

References

  1. [1]Influencing your title links in search results · Google Search Centraldevelopers.google.com/search/docs/appearance/title-link
  2. [2]Control your snippets in search results · Google Search Centraldevelopers.google.com/search/docs/appearance/snippet
  3. [3]Meta tags and attributes that Google supports · Google Search Centraldevelopers.google.com/search/docs/crawling-indexing/special-tags
  4. [4]Robots meta tag, data-nosnippet and X-Robots-Tag specifications · Google Search Centraldevelopers.google.com/search/docs/crawling-indexing/robots-meta-tag
  5. [5]Google does not use the keywords meta tag in web ranking · Google Search Central Blog, 2009developers.google.com/search/blog/2009/09/google-does-not-use-keywords-meta-tag
CITE THIS PAGEKalenux. (2026). Meta tag checker: titles, descriptions and robots tags. Kalenux SEO Guide. Last reviewed 1 Oct 2026. kalenux.com.tr/seo-meta-tag-checker
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