czdsysw.com

https://czdsysw.com· First analyzed 04 Jun 2026· Updated 04 Jun 2026

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czdsysw.com

Mobile

Sponsored

Hosting Provider

AresIDC Limited

IP Address

156.253.157.111

Site Location

🇭🇰 Hong Kongvia ip

Server Location

🇭🇰 Hong Kong, Hong Kong

ASN

AS139880

Organization

AresIDC Limited

Server

OpenResty

Nameservers

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

Performance

Core Web Vitals

Weight

First Contentful Paint

2.0 s10%

Speed Index

2.6 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

5.8 MB

86 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Frontend

Styling

Bootstrap

Infrastructure

Hosting

AresIDC Limited

Technology Stack

6 Technologies Detected

CSS Frameworks

Libraries

UI Components

Icon Libraries

Web Servers

SEO Analysis

D53/100

Meta Tags9/15

Content9/12

Headings4/8

Technical16/25

E-E-A-T0/7

Images1/7

Links4/5

URL5/5

Social0/5

Freshness0/4

Mobile2/4

Indexability3/3

czdsysw.comczdsysw.com

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Title Length14 chars

Recommended: 50-60 chars (~89px / 580px)

Description Length135 chars

Recommended: 120-160 chars

Issues (1)

• Most images missing alt text (57/65) — critical for accessibility and SEO

9 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

robots.txt

Local SEO

Local Search Readiness

3/100

Poor

1 14 2

This site doesn't appear to be a local business. Local SEO signals are optional for non-local websites.

Sponsored

AI & LLM Readiness

F33/100

Bot Access

20/25

Machine Read.

5/25

Schema Data

0/25

Citation

8/25

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

def. lists

Text ratio:2%

Words:271

Token eff.:Too Short

Depth:1/5

Structured Data

No Schema

Citation Readiness

Opening Summary167w

Descriptive Headings

Canonical URL

Open Graph0/3

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.

47/100

Passed

Critical

Warnings

Images & Alt Text

5/20

Checks if images have descriptive alt text for screen readers and visually impaired users.

Semantic Structure

14/20

Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.

Forms & Inputs

2/15

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

2/15

Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.

4 recommendations

•Accessibility recommendation preview...

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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.

9/100

732 mg

CO₂e / view

5.8 MB

Page Weight

Cleaner Than

New Visitor

837 mg

Returning (cached)

418 mg

Annual (10K/mo)

87.8 kg

Emission Segments

Data Center

164 mg

Network

176 mg

Device

393 mg

Resource Breakdown

JavaScript

153.0 KB

Images

4.9 MB

CSS

711.8 KB

HTML

26.8 KB

Green Hosting Not Verified

AresIDC Limited

8 recommendations

•Carbon footprint recommendation preview...

Upgrade to view recommendations

Security Score

21%Critical

Interactive

HTTPS

No WAF

65d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

RSA (4096 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

Valid From

10.05.2026

Valid Until

08.08.2026

Subject Alternative Names (3)

czdsysw.comm.czdsysw.comwww.czdsysw.com

SHA-256 Fingerprint

DB:A0:90:CA:ED:60:EF:5E:C6:82:32:65:C5:C6:C4:35:8E:0C:CB:9E...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

cache-control

⚪ Custom(no-transform)

content-encoding

📦 Gzip(gzip)

content-type

text/html; charset=utf-8

date

Thu, 04 Jun 2026 02:17:01 GMT

server

openresty

vary

Accept-Encoding

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

Domain Information

czdsysw.com

Domain Age

1y 1m

Created

20.04.2025

Expires

20.04.2027

Last Updated

04.04.2026

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.

51/100

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, maximum-scale=1, user-scalable=no

3 recommendations

•Mobile compatibility recommendation preview...

Upgrade to view recommendations

Typography & Readability

Segoe UI

WCAG Partial

57/100

Readability

/30

5/30

3px · LH 3.95

Hierarchy

/20

16/20

8x ratio

WCAG

/25

14/25

1:1 min contrast

Performance

/25

22/25

System fonts

Heading Font

Segoe UI

Sans20px

Body Font

Segoe UI

Sans3px

Contrast Ratio

1:1

11 issues

Reading Comfort

~1536 CPL

Too wide

20px

3px

❌ Critical: 2px body text is too small. Minimum 14px, recommend 16px+.

⚠️ Wide line spacing (3.95). 1.4–1.6 is optimal for body text.

❌ Very long lines: ~1536 chars/line causes eye strain. Add max-width constraint.

⚠️ Partial contrast: 11 elements below WCAG AA threshold (min 1.0:1).

⚠️ Minor heading issue: 0 level skip(s) detected. Maintain sequential order for screen readers.

✅ Strong hierarchy: Headlines are 8.0x larger than body text.

Color Palette

3 unique colors

Dark

#5b5e63

Other· 0.8%

#1e2128

Primary· 97.99999999999999%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

20 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(9)hm.baidu.com(2)sdk.51.la(1)cdnjs.cloudflare.com(1)code.jquery.com(1)

Website Identity

czdsysw.com

1 year old

Location detected: 🇭🇰 Hong Kongvia ip

Gname.com Pte. Ltd.en

Sponsored

Last analyzed: 04 Jun 2026 at 02:17

Historical Analysis & Change Tracking