51zy1.com

https://51zy1.com· First analyzed 01 Jun 2026· Updated 01 Jun 2026

Export

51zy1.com

Mobile

Sponsored

Hosting Provider

Sunford Trading Develop Limited

IP Address

43.230.113.169

Site Location

🇭🇰 Hong Kongvia ip

Server Location

🇭🇰 Mong Kok, Hong Kong

Organization

Sunford Trading Develop Limited

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

olivia.ns.cloudflare.com.peyton.ns.cloudflare.com.

Performance

Core Web Vitals

Weight

First Contentful Paint

1.1 s10%

Speed Index

1.5 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

356 KB

62 requests

Image Optimization

Lazy Load

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Frontend

Styling

Bootstrap

Infrastructure

Hosting

Sunford Trading Develop Limited

CDN

Cloudflare

Technology Stack

7 Technologies Detected

CSS Frameworks

Analytics

Libraries

Icon Libraries

CDN

SEO Analysis

D57/100

Meta Tags8/15

Content12/12

Headings1/8

Technical14/21

E-E-A-T0/7

Images3/7

Links5/5

URL5/5

Social5/5

Freshness0/4

Mobile1/4

Indexability3/3

51zy1.com51zy1.com

51资源 - 每日更新成人视频 | 国产av资源无码a片下载

51资源网-成人视频海量免费下载，国产精品，日韩欧美，网红、素人应有尽有！每日更新，精选高速磁力链接、精品种子，快速填满你的硬盘！

Title Length30 chars

Recommended: 50-60 chars (~181px / 580px)

Description Length65 chars

Recommended: 120-160 chars

Issues (1)

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

10 issues found

Upgrade to view details

Local SEO

Local Search Readiness

5/100

Poor

2 13 2

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

Sponsored

AI & LLM Readiness

F39/100

Bot Access

20/25

Machine Read.

8/25

Schema Data

0/25

Citation

11/25

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

nav

Text ratio:9%

Words:2,094

Token eff.:Optimal

Depth:1/5

Structured Data

No Schema

Citation Readiness

Opening Summary

Descriptive Headingsavg 1w

Canonical URL

Open Graph3/3

Twitter Card3/3

Language Tag

Publish Date

Author Info

Lists

Tables

TL;DR / Summary

About Page Link

Recommendations (11)

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.

61/100

Passed

Critical

Warnings

Images & Alt Text

20/20

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

Semantic Structure

11/20

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

Forms & Inputs

5/15

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

1/15

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

4 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.

60/100

A+

36 mg

CO₂e / view

355.9 KB

Page Weight

90%

Cleaner Than

New Visitor

41 mg

Returning (cached)

21 mg

Annual (10K/mo)

4.3 kg

Emission Segments

Data Center

2 mg

Network

11 mg

Device

24 mg

Resource Breakdown

JavaScript

186.6 KB

Images

6.3 KB

CSS

131.9 KB

HTML

30.6 KB

Other

609 B

Green Hosting Verified

Cloudflare

GWF Verified

5 recommendations

•Carbon footprint recommendation preview...

Upgrade to view recommendations

Security Score

26%Critical

Interactive

HTTPS

WAF

74d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Google Trust Services

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-256

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2+H3

Valid From

17.05.2026

Valid Until

15.08.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

51zy1.com*.51zy1.com

SHA-256 Fingerprint

11:F6:0F:C8:D2:06:C4:6C:CD:B4:27:D0:01:FE:90:F7:17:AA:97:9E...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

access-control-allow-headers

content-type,token

access-control-allow-methods

GET, POST, PUT,DELETE,OPTIONS,PATCH

access-control-allow-origin

alt-svc

h3=":443"; ma=86400

cf-cache-status

DYNAMIC

cf-ray🇺🇸 Washington DC

a05064a59caee605-IAD

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

Domain Information

51zy1.com

Domain Age

1y 1m

Created

17.04.2025

Expires

17.04.2027

Last Updated

18.04.2026

Registrar

GoDaddy.com, LLC

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Data Protection Officer mentioned

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.

58/100

Mobile Friendly6 breakpoints

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

FontAwesome + Arial

WCAG Partial

60/100

Readability

/30

19/30

14px · LH 1.50

Hierarchy

/20

6/20

WCAG

/25

16/25

1:1 min contrast

Performance

/25

19/25

System fonts

Heading Font

FontAwesome

Sans

Body Font

Arial

Sans14px

Contrast Ratio

1:1

10 issues

Reading Comfort

Dual Sans-Serif

center aligned

14px

18px

14px

Major Third

Scale

⚠️ Small text: 14px may strain on mobile. Use ≥16px for WCAG compliance.

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

✅ Easy to read: Flesch score 80/100 — accessible to general audiences.

⚠️ Partial contrast: 10 elements below WCAG AA threshold (min 1.0:1).

❌ Missing H1: Every page should have exactly one H1 element for SEO and accessibility.

✅ System fonts: Zero font loading delay — best possible LCP impact.

Buy on MyFontsFlesch 81

Color Palette

8 unique colors

4.72:1 AA Light

#7f7f7f

Other· 42.2%

#131012

Secondary· 12.7%

#49302e

Primary· 9.4%

#786863

Secondary· 5.5%

#4d1314

Accent· 4.1%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

25 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(17)googletagmanager.com(1)static.cloudflareinsights.com(1)

Website Identity

51zy1.com

[email protected]

1 year old

Location detected: 🇭🇰 Hong Kongvia ip

GoDaddy.com, LLCen

Social Profiles

X (Twitter)GitHub Telegram

Sponsored

Last analyzed: 01 Jun 2026 at 18:49

Historical Analysis & Change Tracking