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gpt-zn.com

https://gpt-zn.com· First analyzed 04 Jun 2026· Updated 04 Jun 2026
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gpt-zn.com
Desktop screenshot of gpt-zn.com
Mobile screenshot of gpt-zn.com
Mobile

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Hosting Provider

CloudFly Net Inc

IP Address

154.212.185.173

Site Location

🇭🇰 Hong Kongvia ip

Server Location

🇭🇰 Chai Wan, Hong Kong

ASN

AS135097

Organization

CloudFly Net Inc

Server

Nginx

Nameservers

b.share-dns.net.a.share-dns.com.

Performance

84

Core Web Vitals

Weight

First Contentful Paint
1.9 s10%
Speed Index
2.5 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
4.7 MB
45 requests

Image Optimization

WebP
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Frontend
Styling
Bootstrap
Infrastructure
Hosting
CloudFly Net Inc

Technology Stack

4 Technologies Detected

CSS Frameworks

2
Bootstrap
Tailwind CSS

Icon Libraries

1
Font Awesome

Web Servers

1
Nginx

SEO Analysis

C68/100
21
6
1
Meta Tags9/15
Content8/12
Headings3/8
Technical18/25
E-E-A-T3/7
Images5/7
Links5/5
URL5/5
Social3/5
Freshness2/4
Mobile4/4
Indexability3/3
G
gpt-zn.comgpt-zn.com

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Title Length18 chars

Recommended: 50-60 chars (~111px / 580px)

Description Length140 chars

Recommended: 120-160 chars

Issues (1)

  • • Missing H1 tag — every page should have exactly one H1

7 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

77 URLs

robots.txt

5 rules

Sitemap reference found

Allows all crawlers

Local SEO

Local Search Readiness

21/100
Needs Work
6 10 2

Sponsored

AI & LLM Readiness

F38/100
Bot Access
20/25
Machine Read.
6/25
Schema Data
0/25
Citation
12/25

AI Bot Access

14/14 accessible
AI Search
OAI-SearchBot
PerplexityBot
Claude-SearchBot
Gemini-Deep-Research
DuckAssistBot
Training
GPTBot
ClaudeBot
Google-Extended
Meta-ExternalAgent
Bytespiderinfo
Amazonbot
Applebot-Extended
CCBotinfo
Fetch
ChatGPT-User

Machine Readability

llms.txt
llms-full.txt
Semantic HTML
Heading Hierarchy
blockquotesnavheader/footer
Text ratio:5%
Words:169
Token eff.:Too Short
Sections/1K:82.8
Depth:3/5

Structured Data

No Schema

Citation Readiness

Opening Summary
Descriptive Headingsavg 1.1w
Canonical URL
Open Graph3/3
Twitter Card0/3
Language Tag
Publish Date
Author Info
Lists
Tables
TL;DR / Summary
About Page Link
Recommendations (10)
AI readiness recommendation preview...
Upgrade to view recommendations

Sponsored

Accessibility

WCAG 2.1 Compliance

Evaluates how accessible your website is for users with disabilities, based on WCAG 2.1 guidelines. Checks images, forms, keyboard navigation, ARIA roles, and color contrast.
A
83/100
13
Passed
3
Critical
1
Warnings
Images & Alt Text
20/20
Checks if images have descriptive alt text for screen readers and visually impaired users.
Semantic Structure
17/20
Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.
Forms & Inputs
15/15
Verifies form fields have labels, error messages are clear, and inputs are properly associated.
Color & Contrast
15/15
Tests text-to-background color contrast ratios against WCAG AA/AAA minimum requirements.
Keyboard & Focus
9/15
Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).
ARIA & Roles
7/15
Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
2 recommendations
  • •Accessibility recommendation preview...
Upgrade to view recommendations

Carbon Footprint

SWDM v4 · Eco-Score

Carbon emissions estimated using the Sustainable Web Design Model v4 (SWDM v4). Factors in data center, network, and device energy across new and returning visitors. Grade thresholds based on HTTP Archive percentiles.
18/100
F
601 mg
CO₂e / view
4.7 MB
Page Weight
15%
Cleaner Than
New Visitor
687 mg
vs
Returning (cached)
343 mg
Annual (10K/mo)
72.1 kg
Emission Segments
Data Center
134 mg
Network
144 mg
Device
322 mg
Resource Breakdown
JavaScript
197.9 KB
Images
1.2 MB
CSS
3.4 MB
HTML
12.1 KB
Green Hosting Not Verified
CloudFly Net Inc
8 recommendations
  • •Carbon footprint recommendation preview...
Upgrade to view recommendations
F

Security Score

36%Critical
Interactive

HTTPS

No WAF

41d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-384

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

16.04.2026

Valid Until

15.07.2026

Subject Alternative Names (6)

app.gpt-zn.comgpt-zn.comm.gpt-zn.comwap.gpt-zn.comweb.gpt-zn.comwww.gpt-zn.com

SHA-256 Fingerprint

00:21:11:41:27:29:AF:5A:CA:0B:98:E2:FD:C0:BC:92:D2:3D:C6:F9...

Top Recommendations

Security recommendation preview

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Upgrade to view header details

HTTP Headers

Developer Console

content-encoding
📦 Gzip(gzip)
content-type
text/html; charset=UTF-8
date
Thu, 04 Jun 2026 05:55:12 GMT
server
nginx
strict-transport-security
max-age=31536000
vary
Accept-Encoding
Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

0

SPF
DKIM
DMARC

Domain Information

gpt-zn.com

Domain Age
3 years

Created

14.05.2023

Expires

14.05.2027

Last Updated

31.05.2026

Registrar

Gname.com Pte. Ltd.

DNSSEC
Not Enabled

Mobile Compatibility

Viewport & Responsive Test

Tests how well your website works on mobile devices. Checks viewport configuration, responsive layout, touch targets, font readability, and simulates rendering across different screen sizes.
C
61/100
Mobile Friendly1 breakpoint
Viewport Meta
The viewport meta tag tells mobile browsers how to scale the page. Without it, mobile devices render at desktop width.
Responsive Design
Uses CSS media queries or flexible layouts to adapt content to different screen sizes automatically.
Touch Icons
Apple touch icons and favicons displayed when users add the site to their home screen on mobile devices.
Readable Font Size
Base font size should be at least 16px on mobile to ensure text is readable without zooming.
Relative Units
Using em, rem, %, or vw instead of fixed px values allows content to scale properly across screen sizes.
No H-Scroll Risk
No elements wider than the viewport that would cause horizontal scrolling on mobile devices.
Tap Targets OK
Interactive elements (buttons, links) are at least 48x48px with enough spacing to prevent accidental taps.
No Fixed Widths
No elements with fixed pixel widths that could overflow on smaller screens and break the layout.
Viewport
width=device-width, initial-scale=1.0
3 recommendations
  • •Mobile compatibility recommendation preview...
Upgrade to view recommendations

Typography & Readability

Montserrat + Lato

WCAG Partial
65/100
Readability
/30
26/30

16px · LH 1.50

Hierarchy
/20
13/20

2.81x ratio

WCAG
/25
13/25

1:1 min contrast

Performance
/25
13/25

2 fonts · 5 req

Heading Font

Montserrat

Sans45px

Body Font

Lato

Sans16px

Contrast Ratio

1:1

14 issues

Reading Comfort

~49 CPL

Optimal (45–75)
45px
h1
38px
h2
30px
h3
16px
p

✅ Excellent readability: 16px body text is ideal for all devices.

✅ Optimal line spacing: 1.50 ratio (ideal range 1.4–1.6).

✅ Optimal line length: ~49 chars/line (ideal 45–75 CPL).

⚠️ Partial contrast: 14 elements below WCAG AA threshold (min 1.0:1).

⚠️ Minor heading issue: 1 level skip(s) detected. Maintain sequential order for screen readers.

✅ Strong hierarchy: Headlines are 2.8x larger than body text.

Buy on MyFonts

Color Palette

8 unique colors
Dark
#64565f
Secondary· 2.5%
#2e0527
Accent· 76.1%
#e388f5
Primary· 0%
#3e142f
Accent· 4.8%
#e4c0a2
Accent· 4.2%
#feeb76
Accent· 3.9%
#150212
Primary· 2.9%
#ca8876
Secondary· 2.9%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

1
Google AnalyticsFree

User behavior and product analytics

1

Categories

1

Total Tools

0

Enterprise

0

Mid-Market

Assessment: Growing marketing technology adoption

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Scripts & Styles

14 Resources

10
Scripts
4
Styles
0
Async
0
Defer

Top Script Sources

node90.aizhantj.com(4)local(2)j9fafafa.com(2)gpt-zn.com(2)

Website Identity

gpt-zn.com

[email protected]
13594780180
3 years old

[email protected]

Location detected: 🇭🇰 Hong Kongvia ip
Gname.com Pte. Ltd.zh-CN

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Last analyzed: 04 Jun 2026 at 05:55

Historical Analysis & Change Tracking

gpt-zn.com Technology Stack - Built With Bootstrap, Tailwind CSS, Font Awesome, Nginx | StackOptic | StackOptic