ybslsj.com

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

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ybslsj.com

Mobile

Sponsored

Hosting Provider

Starbow Ltd

IP Address

154.206.145.172

Site Location

🇭🇰 Hong Kongvia ip

Server Location

🇭🇰 Hong Kong, Hong Kong

ASN

AS139880

Organization

Starbow Ltd

Server

OpenResty

Nameservers

ns2.julydns.com.ns1.julydns.com.

Performance

Core Web Vitals

Weight

First Contentful Paint

6.8 s10%

Speed Index

8.8 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

4.5 MB

62 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Starbow Ltd

Technology Stack

5 Technologies Detected

Libraries

UI Components

CSS Frameworks

Web Servers

Customer Support

SEO Analysis

D58/100

Meta Tags7/15

Content10/12

Headings6/8

Technical17/25

E-E-A-T3/7

Images1/7

Links4/5

URL5/5

Social0/5

Freshness0/4

Mobile2/4

Indexability3/3

ybslsj.comybslsj.com

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Description truncated.

Title Length18 chars

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

Description Length203 chars

Recommended: 120-160 chars

Issues (1)

• Most images missing alt text (21/21) — critical for accessibility and SEO

9 issues found

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Crawlability

Sitemap

Type: standard

44 URLs

robots.txt

Local SEO

Local Search Readiness

12/100

Poor

4 11 2

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

Sponsored

AI & LLM Readiness

D41/100

Bot Access

20/25

Machine Read.

11/25

Schema Data

0/25

Citation

10/25

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:10%

Words:451

Token eff.:Optimal

Depth:1/5

Structured Data

No Schema

Citation Readiness

Opening Summary76w

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 (8)

AI readiness recommendation preview...

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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.

69/100

Passed

Critical

Warnings

Images & Alt Text

20/20

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

Semantic Structure

14/20

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

Forms & Inputs

10/15

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.

2 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.

10/100

576 mg

CO₂e / view

4.5 MB

Page Weight

15%

Cleaner Than

New Visitor

658 mg

Returning (cached)

329 mg

Annual (10K/mo)

69.1 kg

Emission Segments

Data Center

129 mg

Network

138 mg

Device

309 mg

Resource Breakdown

JavaScript

81.8 KB

Images

1.8 MB

CSS

2.6 MB

HTML

38.5 KB

Green Hosting Not Verified

Starbow Ltd

8 recommendations

•Carbon footprint recommendation preview...

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Security Score

21%Critical

Interactive

HTTPS

No WAF

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

10.03.2026

Valid Until

08.06.2026

Subject Alternative Names (3)

m.ybslsj.comwww.ybslsj.comybslsj.com

SHA-256 Fingerprint

10:8C:77:8F:F1:1C:D7:9D:2A:B7:C5:B6:FE:71:B1:B0:C4:6C:80:00...

Top Recommendations

Security recommendation preview

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Upgrade to view header details

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 04:59:44 GMT

server

openresty

vary

Accept-Encoding

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

Domain Information

ybslsj.com

Domain Age

9y 7m

Created

12.10.2016

Expires

12.10.2026

Last Updated

08.10.2025

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.

44/100

Not 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, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no

4 recommendations

•Mobile compatibility recommendation preview...

Upgrade to view recommendations

Typography & Readability

Arial

WCAG Partial

70/100

Readability

/30

21/30

48px · LH 1.38

Hierarchy

/20

13/20

0.42x ratio · ✓ H1→H6

WCAG

/25

16/25

1:1 min contrast

Performance

/25

20/25

System fonts

Heading Font

Arial

Sans20px

Body Font

Arial

Sans48px

Contrast Ratio

1:1

1 issue

Reading Comfort

Single Font Family

center aligned

20px

48px

✅ Excellent readability: 48px body text is ideal for all devices.

⚠️ Tight line spacing (1.38). Increase to 1.4–1.6 for better readability.

⚠️ Hard to read: Flesch score 35/100. Simplify sentences for wider reach.

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

✅ Perfect heading hierarchy: Sequential h1→h2→h3 with single H1 — ideal for SEO & accessibility.

⚠️ Weak hierarchy: Headlines should be ≥2x body size for clear visual structure.

Flesch 35

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

15 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(6)zz.bdstatic.com(1)sdk.51.la(1)

Website Identity

ybslsj.com

[email protected]

/0755-27521988

9 years old

Location detected: 🇭🇰 Hong Kongvia ip

Gname.com Pte. Ltd.zh-cmn-Hant

Sponsored

Last analyzed: 04 Jun 2026 at 05:00

Historical Analysis & Change Tracking