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gptzero.me

AI Detector - Free AI Checker for ChatGPT, GPT-5 & Gemini

Last scanned Jul 25, 2026, 12:25 PM · 1 view

99

Overall score

Excellent

Summary

Best free AI detector - simply paste your text to instantly get an overall AI score and advanced sentence by sentence detection. This website uses Next.js hosted on Cloudflare behind Cloudflare CDN. SEO is excellent (100/100) and accessibility is excellent (100/100). Security scores excellent (95/100) and performance excellent (100/100).

Best free AI detector - simply paste your text to instantly get an overall AI score and advanced sentence by sentence detection.

United States
Hosted on Cloudflare

Products & pricing

Product and pricing information published in this site's own structured data.

10 million

$0 USD

Top issues to fix

2 issues found

  • Missing X-Content-Type-Options header

    Security

    Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.

  • 1 cookie without Secure/HttpOnly flags

    Security

    Set Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.

100

SEO

0 issue(s) found

100

Performance

991 ms

95

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

Best free AI detector - simply paste your text to instantly get an overall AI score and advanced sentence by sentence detection.

Contact

Email, phone, and address published on this site's own pages.

Meta tags

Title
AI Detector - Free AI Checker for ChatGPT, GPT-5 & Gemini
Description
Best free AI detector - simply paste your text to instantly get an overall AI score and advanced sentence by sentence detection.
Canonical
https://gptzero.me
Language
en
Charset
utf-8
Viewport
width=device-width, initial-scale=1
Robots meta
index, follow
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
GPTZero
og:description
The World's #1 AI Content Detector with over 8 Million Users
og:type
website
og:url
https://gptzero.me

Twitter Card

twitter:card
summary_large_image
twitter:title
GPTZero
twitter:description
The World's #1 AI Content Detector with over 8 Million Users

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider
Cloudflare
CDN provider
Cloudflare
IP address
172.67.75.154
ASN
AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)

DNS records

TypeValue
A
  • 172.67.75.154
  • 104.26.9.142
  • 104.26.8.142
AAAA
  • 2606:4700:20::ac43:4b9a
  • 2606:4700:20::681a:88e
  • 2606:4700:20::681a:98e
MX
  • alt2.aspmx.l.google.com
  • aspmx3.googlemail.com
  • aspmx2.googlemail.com
  • alt1.aspmx.l.google.com
  • aspmx.l.google.com
TXT
NS
  • john.ns.cloudflare.com
  • wanda.ns.cloudflare.com
CAA
CNAME
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
Google Trust Services
Subject
gptzero.me
Valid from
Jun 7, 2026
Valid to
Sep 5, 2026
Days until expiry
42
SAN domains
gptzero.me, *.gptzero.me

Security headers

  • Strict-Transport-SecurityEnabled
  • Content-Security-PolicyEnabled
  • X-Frame-OptionsEnabled
  • X-Content-Type-OptionsMissing
  • Referrer-PolicyEnabled
  • Permissions-PolicyMissing

Compression: gzip · 1 cookie(s) observed

Content & assets

Headings

H1 1 · H2 5 · H3 21

Links

40 internal · 11 external · 0 broken

Images

84 total · 0 missing alt

Scripts / Styles

50 scripts · 3 stylesheets

JS / CSS size

132 KB · 998 B

Page size

287 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
0
sitemap.xml
Found
URLs in sitemap
-1

SEO issues

No SEO issues detected.

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://gptzero.me
Final URL
https://gptzero.me
HTTP status
200
HTTP version
HTTP/2
Response time
986 ms
HTML size
287 KB
Redirect chain
https://gptzero.me

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Frequently asked questions

What technology does gptzero.me use?
gptzero.me is built with Next.js, Cloudflare Analytics.
Is gptzero.me secure (HTTPS)?
Yes. gptzero.me uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Sep 5, 2026.
Who hosts gptzero.me?
gptzero.me is hosted on Cloudflare, behind Cloudflare CDN.
What is gptzero.me's SEO score?
gptzero.me scored 100/100 for SEO in the latest analysis (excellent).
What is gptzero.me's overall website score?
gptzero.me has an overall SiteGraph score of 99/100, combining SEO, performance, security, and accessibility.
What products does gptzero.me offer?
gptzero.me offers 10 million.