bybm.com.cn

https://bybm.com.cn· First analyzed 24 May 2026· Updated 24 May 2026

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bybm.com.cn

Mobile

Sponsored

Hosting Provider

Alibaba Cloud

alibabacloud.com

IP Address

47.242.62.181

Site Location

🇨🇳 Chinavia tld

Server Location

🇭🇰 Hong Kong, Hong Kong

ASN

AS45102

Organization

Hong Kong

Server

Nginx

Nameservers

dns29.hichina.com.dns30.hichina.com.

Performance

Core Web Vitals

Weight

First Contentful Paint

951 ms10%

Speed Index

1.2 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

1.8 MB

30 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Alibaba Cloud

Technology Stack

2 Technologies Detected

Libraries

jQueryv1.9.1

Web Servers

Nginx

SEO Analysis

F30/100

Meta Tags7/15

Content3/12

Headings0/8

Technical6/21

E-E-A-T0/7

Images1/7

Links4/5

URL5/5

Social0/5

Freshness0/4

Mobile1/4

Indexability3/3

bybm.com.cnbybm.com.cn

常州市北洋建材有限公司

北洋建材是全球领先的住宅和商业建筑材料、玻璃纤维吸声板以及玻璃纤维贴面材料制造商。北洋建材一直致力于通过提供创新解决方案、引领市场变革和提高声学环境来推动社会的可持续发展。

Title Length11 chars

Recommended: 50-60 chars (~68px / 580px)

Description Length86 chars

Recommended: 120-160 chars

Issues (4)

• Very thin content (45 words). Search engines need substantial content for ranking.
• Missing H1 tag — every page should have exactly one H1
• Most images missing alt text (13/13) — critical for accessibility and SEO

14 issues found

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Local SEO

Local Search Readiness

7/100

Poor

3 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

F22/100

Bot Access

20/25

Machine Read.

1/25

Schema Data

0/25

Citation

1/25

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

Text ratio:2%

Words:44

Token eff.:Too Short

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 (12)

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.

39/100

Passed

Critical

Warnings

Images & Alt Text

5/20

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

Semantic Structure

3/20

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

5/15

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.

5 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.

34/100

222 mg

CO₂e / view

1.8 MB

Page Weight

60%

Cleaner Than

New Visitor

254 mg

Returning (cached)

127 mg

Annual (10K/mo)

26.7 kg

Emission Segments

Data Center

50 mg

Network

53 mg

Device

119 mg

Resource Breakdown

JavaScript

42.7 KB

Images

309.6 KB

CSS

1.4 MB

HTML

5.2 KB

Green Hosting Not Verified

Alibaba Cloud

3 recommendations

•Carbon footprint recommendation preview...

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Security Score

36%Critical

Interactive

HTTPS

No WAF

45d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

09.04.2026

Valid Until

08.07.2026

Subject Alternative Names (2)

bybm.com.cnwww.bybm.com.cn

SHA-256 Fingerprint

67:34:A7:B7:C5:F4:9F:81:76:D0:D0:BD:D9:11:B8:12:36:80:B3:93...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

content-encoding

📦 Gzip(gzip)

content-type

text/html

date

Sun, 24 May 2026 07:08:41 GMT

etag

W/"6725cfb8-425c"

last-modified

Sat, 02 Nov 2024 07:07:36 GMT

server

nginx

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

MX Records (2)

mxw.263.net

mx.263.net

Domain Information

bybm.com.cn

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.

32/100

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.

4 recommendations

•Mobile compatibility recommendation preview...

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Typography & Readability

Microsoft YaHei

WCAG AA

53/100

Readability

/30

11/30

10px · LH --

Hierarchy

/20

9/20

WCAG

/25

19/25

6.1:1 min contrast

Performance

/25

14/25

1 font

Heading Font

Microsoft YaHei

Body Font

Microsoft YaHei

Sans10px

Contrast Ratio

6.1:1

WCAG AA (≥4.5:1)

Reading Comfort

Single Family

left aligned

10px

❌ Critical: 10px body text is too small. Minimum 14px, recommend 16px+.

✅ WCAG AA contrast: All text meets 4.5:1 ratio (min 6.1:1).

✅ Lean font stack: 1 font families keeps load times fast.

⚠️ Missing font-display: swap — users may see invisible text while fonts load (FOIT).

Buy on MyFonts

Color Palette

12 unique colors

Light

#ffffff

Background· 20.200000000000003%

#dfe4e6

Primary· 18.200000000000003%

#1080ad

Accent· 7.3%

#67a0c4

Secondary· 7.1%

#84abca

Secondary· 7.1%

#055072

Accent· 6.7%

#c2ced3

Secondary· 6.6%

#4c82a2

Secondary· 6.2%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

6 Resources

Scripts

Styles

Async

Defer

Top Script Sources

..(2)Home(2)

Website Identity

bybm.com.cn

admin@bybm.com.cn

Location detected: 🇨🇳 Chinavia tld

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Last analyzed: 24 May 2026 at 07:09

Historical Analysis & Change Tracking