tudomuaban.com

https://tudomuaban.com· First analyzed 25 Apr 2026· Updated 25 Apr 2026

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tudomuaban.com

Mobile

Sponsored

Hosting Provider

Branch of BachKim Network solutions

IP Address

103.74.122.8

Site Location

🇻🇳 Vietnamvia ip

Server Location

🇻🇳 Làng Hà, Vietnam

ASN

AS135967

Organization

Branch of BachKim Network solutions

Server

LiteSpeed

Nameservers

ns3.bkdns.vn.ns2.bkdns.vn.ns1.bkdns.vn.

Performance

Core Web Vitals

Weight

First Contentful Paint

1.3 s10%

Speed Index

1.7 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

755 KB

61 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Frontend

Styling

Bootstrap

Infrastructure

Hosting

Branch of BachKim Network solutions

Technology Stack

13 Technologies Detected

Libraries

CSS Frameworks

Analytics

Advertising

Google Ads Google AdSense

Other

Icon Libraries

Fonts

Web Servers

Languages

SEO Analysis

D51/100

Meta Tags7/15

Content6/12

Headings3/8

Technical16/25

E-E-A-T0/7

Images1/7

Links5/5

URL5/5

Social3/5

Freshness0/4

Mobile2/4

Indexability3/3

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✅Website rao vặt được ưa chuộng nhất hiện nay ở Việt Nam. Cho phép người mua và người bán kết nối dễ dàng, bất kỳ ai cũng có thể đăng tin rao vặt miễn phí ng...

Title truncated. Description truncated.

Title Length85 chars

Recommended: 50-60 chars (~524px / 580px)

Description Length417 chars

Recommended: 120-160 chars

Issues (3)

• Title is too long (85 chars, ~524px). Will be truncated in search results.
• Missing H1 tag — every page should have exactly one H1
• Most images missing alt text (3/3) — critical for accessibility and SEO

12 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

22 URLs

robots.txt

2 rules

Local SEO

Local Search Readiness

8/100

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

F32/100

Bot Access

20/25

Machine Read.

7/25

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

Text ratio:1%

Words:1,816

Token eff.:Optimal

Structured Data

No Schema

Citation Readiness

Opening Summary

Descriptive Headings

Canonical URL

Open Graph3/3

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.

42/100

Passed

Critical

Warnings

Images & Alt Text

5/20

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

Semantic Structure

6/20

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

Forms & Inputs

3/15

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

7/15

Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).

ARIA & Roles

6/15

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.

40/100

93 mg

CO₂e / view

755.0 KB

Page Weight

80%

Cleaner Than

New Visitor

107 mg

Returning (cached)

53 mg

Annual (10K/mo)

11.2 kg

Emission Segments

Data Center

21 mg

Network

22 mg

Device

50 mg

Resource Breakdown

JavaScript

498.2 KB

Images

29.1 KB

CSS

107.1 KB

Fonts

8.1 KB

HTML

15.1 KB

Other

97.6 KB

Green Hosting Not Verified

Branch of BachKim Network solutions

6 recommendations

•Carbon footprint recommendation preview...

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Security Score

0%Critical

Critical / Transactional

HTTPS

No WAF

58d

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

24.03.2026

Valid Until

22.06.2026

Subject Alternative Names (8)

cpanel.tudomuaban.comcpcalendars.tudomuaban.comcpcontacts.tudomuaban.commail.tudomuaban.comtudomuaban.comwebdisk.tudomuaban.comwebmail.tudomuaban.comwww.tudomuaban.com

SHA-256 Fingerprint

2A:B9:DD:9D:20:BE:70:2E:4B:C4:CC:31:9A:25:28:29:40:49:02:57...

Top Recommendations

Security recommendation preview

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Upgrade to view header details

HTTP Headers

Developer Console

cache-control

🔴 No Cache(no-store, no-cache, must-revalidate, post-check=0, pre-check...)

content-encoding

📦 Gzip(gzip)

content-type

text/html; charset=UTF-8

date

Sat, 25 Apr 2026 19:29:39 GMT

expires

Thu, 19 Nov 1981 08:52:00 GMT

pragma

no-cache

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

MX Records (1)

mail.tudomuaban.com

Domain Information

tudomuaban.com

Domain Age

13y 2m

Created

06.02.2013

Expires

06.02.2027

Last Updated

26.01.2026

Registrar

PDR Ltd. d/b/a PublicDomainRegistry.com

DNSSEC

Not Enabled

Privacy & Compliance

Quantcast Choice

Cookie Consent Banner

Quantcast Choice

GDPR Indicators

Cookie consent banner detected

CMP: Quantcast Choice

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.

62/100

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, shrink-to-fit=no

2 recommendations

•Mobile compatibility recommendation preview...

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Typography & Readability

Helvetica Neue

WCAG Partial

60/100

Readability

/30

19/30

14px · LH 1.43

Hierarchy

/20

7/20

WCAG

/25

17/25

1:1 min contrast

Performance

/25

17/25

System fonts

Heading Font

Helvetica Neue

Body Font

Helvetica Neue

Sans14px

Contrast Ratio

1:1

13 issues

Reading Comfort

Single Family

left aligned

18px

14px

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

✅ Optimal line spacing: 1.43 ratio (ideal range 1.4–1.6).

⚠️ Partial contrast: 13 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.

GGoogle FontsFlesch 65

Color Palette

5 unique colors

4:1 AA Large Light

#7f7f7f

Other· 41.300000000000004%

#ffffff

Background· 20.7%

#592414

Primary· 30.099999999999998%

Business & Marketing Stack

2 Tools Detected

Advanced

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Advertising

Google AdsEnterprise

Ad platforms and retargeting pixels

Sponsored

Scripts & Styles

24 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(8)fundingchoicesmessages.google.com(4)pagead2.googlesyndication.com(3)google-analytics.com(1)

Website Identity

tudomuaban.com

13 years old

Location detected: 🇻🇳 Vietnamvia ip

PDR Ltd. d/b/a PublicDomainRegistry.comvi

Sponsored

Last analyzed: 25 Apr 2026 at 19:30

Historical Analysis & Change Tracking