Title Tag Checker
Check pixel width and preview how your SEO title appears in Google desktop and mobile search results before you publish.
Title Tag
Meta Description (optional)
Title Tag Width
— / 600px —
0px 560px 600px
Desktop SERP ~600px limit
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Your title will appear here
Your meta description will appear here. Write a compelling summary that encourages users to click through to your page.
Mobile SERP ~496px limit
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Your title will appear here
Your meta description will appear here.
Checklist
What Is the Title Tag Pixel Limit?
Google limits title tags in search results to approximately 600 pixels wide on desktop displays. This corresponds to roughly 50–60 characters for typical English text (using Google's default font at ~20px). Titles wider than 600px are truncated with an ellipsis in search results.
On mobile, the effective limit is narrower — around 496px — because the available width for the title in the search result card is smaller. This means a title that looks fine on desktop may still be truncated on mobile.
Why Title Tag Length Matters for SEO
A truncated title tag harms click-through rate: when users can't read the full title in search results, they're less likely to click. Google may also rewrite your title tag if it considers it too long, too short, or a poor match for the page content — and Google's rewrites often perform worse than well-crafted originals.
Keeping your title tag within the 560–600px range maximizes the chance that it appears exactly as written in Google's results.
How Every Feature in the Title Tag Checker Works
The title tag input accepts up to 200 characters and updates all metrics in real time as you type. The meta description field is optional — when filled in, it renders below the title in both the desktop and mobile SERP preview panels so you can see exactly how your full search snippet will look.
The pixel width display shows the exact width of your title in pixels, measured using the browser's Canvas API with Google's default search font. This is more accurate than character-count estimates, because letters vary in width (a lowercase "i" is much narrower than an uppercase "W").
The status badge gives an instant verdict: green "Good" when your title fits within 600px, amber "Getting long" between 560px and 600px (the caution zone), and red "Will be truncated" above 600px. The progress bar below the inputs fills left to right with two marker lines — one at 560px (the point where caution begins) and one at 600px (the hard limit) — so you can see at a glance how much headroom you have left.
Both the desktop SERP preview and the mobile SERP preview simulate how your title and description appear in Google results, including the favicon, a placeholder breadcrumb path, and title truncation at the correct width for each device size. The mobile preview uses a narrower container (~496px) so you can catch titles that fit on desktop but are cut off on mobile.
The dynamic checklist runs six checks on your title tag and marks each pass or fail in real time: optimal length (within the pixel limit), SERP fit (title will not be truncated), not written in ALL CAPS, no trailing punctuation, brand name placed at the end rather than the start, and not empty. Use the checklist as a pre-publish verification step.
Who Uses a Title Tag Checker
SEO specialists use title tag checkers before publishing new pages and during site audits to find truncated titles that may be reducing organic click-through rates. Content writers use them to compare multiple title variants at the pixel level before deciding which to use. Web developers use them when templating title tags dynamically (e.g. adding a site name suffix) to verify the combined result never exceeds 600px. Anyone optimising pages for Google Search benefits from seeing exactly what a user will see before clicking through.
Pair With the Headline Analyzer
After optimizing the length of your title tag, use the headline analyzer to score it on power words, sentiment, and SEO-readiness. Use the title capitalizer to apply the correct style guide capitalization.
Title Tag Checker FAQ
Common questions about SEO title tags, pixel width, and SERP previews.
A title tag checker is a tool that shows you exactly how your page title (the HTML