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gptzero.me

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

Last scanned Aug 1, 2026, 1:00 PM · 11 views

93

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 behind Cloudflare CDN. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores excellent (95/100) and performance excellent (90/100). Top issue: robots.txt not found.

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

Top issues to fix

5 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.

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

  • sitemap.xml not found

    SEO

    Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

  • 20 broken links on the page

    SEO

    Fix or remove broken links — they waste crawl budget and erode user trust.

90

SEO

2 issue(s) found

90

Performance

1.02 s

95

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

-6 overall since Jul 25, 2026

Overall
93
SEO
90
Security
95
Performance
90
Accessibility
100

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
CDN provider
Cloudflare
IP address
ASN

DNS records

TypeValue
A
AAAA
MX
TXT
NS
CAA
CNAME
IPv6 supportNo

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
35
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 · 20 broken

Images

85 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
Not found
Disallow rules
0
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • robots.txt not found
  • sitemap.xml not found

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
1.01 s
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?
Hosting provider information for gptzero.me is not available yet.
What is gptzero.me's SEO score?
gptzero.me scored 90/100 for SEO in the latest analysis (excellent).
What is gptzero.me's overall website score?
gptzero.me has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.
Has gptzero.me's score changed over time?
gptzero.me's overall score has declined by 6 points (from 99 to 93) since Jul 25, 2026.