gptzero.me
1 page · 0.1s · Scanned just now
Mostly human-written
72% confidence
The score is a fingerprint of automation, not a quality judgment. A high score means the page reads as machine-generated. It doesn't mean the page is bad.
- Page title
- AI Detector - Free AI Checker for ChatGPT, GPT-5 & Gemini
- Meta description
- Best free AI detector - simply paste your text to instantly get an overall AI score and advanced sentence by sentence detection.
- Final URL
- https://gptzero.me/
- Language
- en
- Built with
- Next.js

GPTZero is a real, funded AI-detection product with a well-engineered site. The structure is custom and non-templated, and the imagery is product-focused rather than stock-heavy. However, the copy throughout reads as polished marketing language with minimal personality—no specificity about company history, founder voices, or idiosyncratic details. The site is clearly human-built and human-maintained, but the prose itself is corporate SaaS boilerplate with little authorial signature. Signals point consistently toward professional human production with generic marketing voice rather than AI generation.
- Worth notingContent
Generic SaaS phrasing minimises personality and specificity throughout feature descriptions.
Evidence- “Preserve what's human”H1
- “Get unparalleled, advanced accuracy”H3
- “Sound authentic, not artificial”body
Try thisReplace marketing platitudes with specific customer outcomes: e.g., 'Detects GPT-4 with 99% accuracy' instead of 'unparalleled accuracy'; ground claims in named use cases or measurable results.
- Clear signalTone
Every section uses identical register and heading structure, erasing any distinct author voice.
Evidence- “Scan top AI models”×2H3
- “Get unparalleled, advanced accuracy”H3
- “Verify real writing”H3
Try thisVary tone and heading structure by section: use full sentences for one feature block, second-person address for another, a customer quote in a third—to signal human editorial choice.
Signals of human authorship the page is doing well.
- Structure
Custom navigation architecture with domain-specific organisation (products, solutions, resources) reflects real product complexity, not templated builder output.
- Imagery
83 images with only 2 missing alt text shows professional QA; mix of UI screenshots and mockups indicates intentional, product-focused visual strategy.
- Content32
Navigation labels and product descriptions are generic SaaS phrasing ("Preserve what's human", "unparalleled accuracy", "seamlessly"); body copy is sparse and reads like template fills, but lacks the hedge-and-explain rhythm typical of full
- Structure15
Bespoke navigation architecture with products, solutions, and resources grouped by function—not a templated hero-to-footer pattern. Layout reflects custom development rather than AI page builder.
- Imagery45
High volume of images (83) with only 2 missing alt text; heavy reliance on UI screenshots and UI mockups suggests product-focused design. No filenames or paths betraying generative-AI origins visible in crawl.
- Tone25
Unified marketing voice across all sections with no identifiable personality quirks, regional slang, or internal contradiction. Every feature heading follows a flat 2–4 word pattern.
- Words1,642
- Images83
- Alt coverage98%
- Internal links82
- External links11
- Schema blocks1
- HTML size271 KB
Common AI writing tells we counted in the body text. A few hits is normal. A dense cluster is the signal.
Show counted phrases4 matches across 3 phrases
- “unparalleled”×2
- “comprehensive”×1
- “ultimately”×1
- Meta tagsAll presentWhy this matters
Why it matters. Title and description are the two strings Google shows in search results. They decide whether anyone clicks. A canonical tag tells Google which URL is the source of truth when the same content lives at multiple paths.
Passing looks like. A non-empty title under 60 characters, a meta description under 160, and a self-referencing canonical link.
Fix. Add the missing tags inside the page head. Treat the title as a headline you'd want to read in a SERP, not a brand slogan.
- Heading structure1 H1, 5 H2Why this matters
Why it matters. Headings are how crawlers and assistive tech understand a page's outline. One H1 names the page. H2s break it into sections. Skipped levels and missing H1s confuse both.
Passing looks like. Exactly one H1, at least one H2, and no skipped levels (no H1 to H3 jumps).
Fix. Replace the missing or duplicate H1 with a single, descriptive heading. Promote section titles to H2. Demote sub-points to H3.
- Mobile readinessResponsiveWhy this matters
Why it matters. Google indexes mobile-first. A page without a responsive viewport renders zoomed-out on phones, fails Core Web Vitals on touch, and loses its mobile ranking.
Passing looks like. A meta viewport tag with width=device-width and a layout that reflows under 600px.
Fix. Add a viewport meta tag set to width=device-width and initial-scale=1, then audit your largest blocks at mobile widths.
- Page speed signalsImage-heavy: 83 imagesWhy this matters
Why it matters. Page weight and response time directly feed Core Web Vitals. Slow LCP and oversized HTML hurt rankings more than people expect.
Passing looks like. First-byte under 1.5s, HTML payload under 500 KB, fewer than 30 images on the initial render.
Fix. Trim render-blocking scripts, defer non-critical CSS, and serve compressed images sized to the viewport. Move heavy components below the fold.
- Schema markup1 schema blocksWhy this matters
Why it matters. JSON-LD structured data is how you earn rich results: review stars, FAQ accordions, breadcrumbs, article cards. Skip it and Google has nothing structured to pull from when it builds your SERP card.
Passing looks like. At least one valid JSON-LD block matching schema.org types relevant to the page (Article, Product, FAQPage, Organization).
Fix. Add an application/ld+json script block describing the page. Validate with Google's Rich Results Test before deploying.
- Broken links0/5 broken in sampleWhy this matters
Why it matters. Broken internal links waste crawl budget, degrade UX, and signal to Google that the site isn't well-maintained. They also cap how deep crawlers reach.
Passing looks like. Every internal link in the sample returns 2xx or 3xx. No dead anchors, no stale paths.
Fix. Use the link list above to spot the broken paths. Either restore the missing pages or update the links to point at live URLs.
- Image alt textAll have altWhy this matters
Why it matters. Alt text is what screen readers read aloud, and what Google reads instead of pixels. Skip it and you lose on both fronts.
Passing looks like. Every meaningful image has a descriptive alt attribute. Decorative images can use alt="" to be skipped intentionally.
Fix. Audit images in /assets and CMS uploads. Write alts that describe what's in the image, not what it links to.
Every H1, H2, and H3 we found on the page, in document order.
Show heading outline
- H1AI detector made toPreserve what's human.
- H2The most precise, reliable AI detection results on the market
- H2Leading research in AI content detection modeling
- H2Built-in AI detection for classrooms and workspaces
- H2GPTZero reviews
- H2FAQs about GPTZero
- H3Scan top AI models
- H3Get unparalleled, advanced accuracy
- H3Verify real writing
- H3Connect your classroom
- H3Improve with AI Tutor
- H3Detect plagiarism
- H3Scan top AI models
- H3Get unparalleled, advanced accuracy
- H3Verify real writing
- H3Connect your classroom
- H3Improve with AI Tutor
- H3Detect plagiarism
- H3What is GPTZero?
- H3How does AI detection work?
- H3Is GPTZero’s AI detector accurate?
- H3How do I use GPTZero’s AI detection tool?
- H3Who is GPTZero for?
- H3Does the GPTZero AI Content Checker only detect ChatGPT outputs?
- H3Which languages does GPTZero support?
- H3What is the best AI detector?
- H3What are the limitations of AI Detectors?
We HEAD-check up to five internal links to spot broken paths quickly.
Show sampled links
- 200 · OKhttps://gptzero.me/press
- 200 · OKhttps://gptzero.me/writers
- 200 · OKhttps://gptzero.me/writing-report
- 200 · OKhttps://gptzero.me/news/preserving-whats-human/
- 200 · OKhttps://gptzero.me/chrome
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