yiyongtong.com

https://yiyongtong.com· First analyzed 02 May 2026· Updated 02 May 2026

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yiyongtong.com

Mobile

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Hosting Provider

Starcloud Global Pte. LTD

IP Address

38.182.229.85

Site Location

🇸🇬 Singaporevia ip

Server Location

🇸🇬 Singapore, Singapore

ASN

AS140224

Organization

Starcloud Global Pte. LTD

Server

Nginx

CDN

Cloudflare

WAF

Cloudflare

Nameservers

peyton.ns.cloudflare.com.sreeni.ns.cloudflare.com.

Performance

Core Web Vitals

Weight

First Contentful Paint

1.1 s10%

Speed Index

1.4 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

119 KB

11 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Starcloud Global Pte. LTD

CDN

Cloudflare

Technology Stack

4 Technologies Detected

Libraries

UI Components

CSS Frameworks

Web Servers

SEO Analysis

D50/100

Meta Tags13/15

Content8/12

Headings1/8

Technical9/25

E-E-A-T0/7

Images2/7

Links5/5

URL5/5

Social0/5

Freshness0/4

Mobile4/4

Indexability3/3

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Title Length48 chars

Recommended: 50-60 chars (~297px / 580px)

Description Length106 chars

Recommended: 120-160 chars

Issues (2)

• Missing H1 tag — every page should have exactly one H1
• Missing viewport meta tag — page may not be mobile-friendly (Google uses mobile-first indexing)

11 issues found

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Crawlability

Sitemap

robots.txt

1 rules

Allows all crawlers

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.

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AI & LLM Readiness

F27/100

Bot Access

20/25

Machine Read.

2/25

Schema Data

0/25

Citation

5/25

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

navheader/footer

Text ratio:9%

Words:193

Token eff.:Too Short

Depth:2/5

Structured Data

No Schema

Citation Readiness

Opening Summary

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 (11)

AI readiness recommendation preview...

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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.

76/100

Passed

Critical

Warnings

Images & Alt Text

20/20

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

Semantic Structure

13/20

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

4/15

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.

62/100

A+

15 mg

CO₂e / view

118.6 KB

Page Weight

95%

Cleaner Than

New Visitor

17 mg

Returning (cached)

8 mg

Annual (10K/mo)

1.8 kg

Emission Segments

Data Center

3 mg

Network

4 mg

Device

8 mg

Resource Breakdown

JavaScript

77.5 KB

Images

9.9 KB

CSS

24.6 KB

HTML

6.6 KB

Green Hosting Not Verified

Starcloud Global Pte. LTD

3 recommendations

•Carbon footprint recommendation preview...

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Security Score

76%Good

Static / Informational

HTTPS

No WAF

63d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

ZeroSSL GmbH

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-256

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

05.04.2026

Valid Until

04.07.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

yiyongtong.com*.yiyongtong.com

SHA-256 Fingerprint

69:10:7D:82:80:85:46:9F:A6:95:2D:85:C3:9D:C1:27:85:0B:D8:B1...

Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

content-encoding

📦 Gzip(gzip)

content-type

text/html

date

Sat, 02 May 2026 17:16:50 GMT

etag

W/"689df502-8c48"

last-modified

Thu, 14 Aug 2025 14:38:58 GMT

server

nginx

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

Domain Information

yiyongtong.com

Domain Age

13y 2m

Created

05.03.2013

Expires

05.03.2027

Last Updated

29.12.2025

Registrar

GoDaddy.com, LLC

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.

34/100

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.

3 recommendations

•Mobile compatibility recommendation preview...

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Typography & Readability

Arial

WCAG Partial

59/100

Readability

/30

20/30

14px · LH 1.50

Hierarchy

/20

6/20

WCAG

/25

14/25

2.72:1 min contrast

Performance

/25

19/25

System fonts

Heading Font

Arial

Body Font

Arial

Sans14px

Contrast Ratio

2.72:1

8 issues

Reading Comfort

~49 CPL

Optimal (45–75)

16px

14px

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

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

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

⚠️ Partial contrast: 8 elements below WCAG AA threshold (min 2.7:1).

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

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

Color Palette

8 unique colors

17.21:1 AAA Light

#ffffff

Background· 50.2%

#1b1b1c

Text· 5.9%

#ead4b3

Primary· 0.4%

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Scripts & Styles

6 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(3)hm.baidu.com(1)

Website Identity

yiyongtong.com

13 years old

Location detected: 🇸🇬 Singaporevia ip

GoDaddy.com, LLCzh

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Last analyzed: 02 May 2026 at 17:17

Historical Analysis & Change Tracking