Meta Tag Analyzer
Paste your page's HTML below to instantly check the title tag, meta description, canonical URL, robots directive and viewport tag — everything runs in your browser, nothing is uploaded anywhere.
Tip: on any page, right-click → "View Page Source", select all, and paste it here.
How to Use This Tool
Copy your page's HTML
Open the page in your browser, right-click anywhere and choose "View Page Source" (or press Ctrl+U / Cmd+Option+U), then select all and copy.
Paste it into the box above
Paste the full HTML — you don't need to trim it down, the tool only reads the parts it needs.
Click "Analyze meta tags"
The scan happens instantly in your browser — nothing is uploaded to a server.
Fix what's missing
Anything marked "Missing" should be added in your CMS, theme editor or SEO plugin, then re-checked.
About the Meta Tag Analyzer
Meta tags are small pieces of HTML that live in a page's <head> section. They're invisible to visitors but are the first thing search engines and social platforms read when they crawl or share a page — which makes them one of the highest-leverage, lowest-effort fixes in on-page SEO.
This tool checks the five elements that matter most: the title tag (what shows as the clickable blue link in search results), the meta description (the short summary beneath it), the canonical tag (which tells search engines which URL is the "real" version of a page), the robots meta tag (which controls whether a page can be indexed or followed), and the viewport tag (which controls mobile rendering).
Missing or poorly written meta tags don't just hurt rankings — they hurt click-through rate too. A page can rank well and still get skipped over in search results if its title and description don't give people a reason to click. Run any page through this checker before you publish, and again any time you update on-page content.
Frequently Asked Questions
What is a meta tag and why does it matter for SEO?
A meta tag is a snippet of code in a page's HTML that describes the page's content to browsers and search engines, rather than to visitors. Tags like the title and meta description directly shape how your page appears in search results, while others like robots and canonical control how search engines are allowed to treat the page. Well-written meta tags improve both rankings and click-through rate.
How long should my title tag be?
Aim for roughly 50–60 characters. Google typically displays around 580–600 pixels of a title before truncating it with an ellipsis, and character count varies by which letters you use, so 60 characters is a safe upper limit that keeps most titles from getting cut off.
What happens if my meta description is missing?
Nothing breaks technically, but Google will usually auto-generate a snippet by pulling text from your page content instead. That auto-generated text is often awkward or doesn't highlight your strongest selling point, so writing your own 120–158 character description gives you control over how your page is presented in search results.
Do I need a canonical tag on every page?
It's a strong best practice, even on pages that don't have a duplicate content risk. A self-referencing canonical (a page pointing to its own URL) protects you from accidental duplicate content issues caused by URL parameters, trailing slashes, or HTTP vs HTTPS versions of the same page.
What does the robots meta tag control?
It tells search engine crawlers what they're allowed to do with the page — most commonly whether to index it (show it in search results) and whether to follow its links. If the tag is absent, search engines default to "index, follow," so you only need to add it explicitly when you want to restrict crawling, such as with "noindex" on a thank-you or admin page.
Is this tool free, and does it store the HTML I paste in?
Yes, it's completely free with no sign-up. The analysis runs entirely in your browser using JavaScript — the HTML you paste is never sent to a server or stored anywhere, so it's safe to use even on unpublished or client-confidential pages.