danketoan.com

https://danketoan.com· First analyzed 25 May 2026· Updated 25 May 2026

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danketoan.com

Mobile

Sponsored

Hosting Provider

ODSJSC

IP Address

125.253.117.112

Site Location

🇻🇳 Vietnamvia ip

Server Location

🇻🇳 Quận Tân Phú, Vietnam

ASN

AS45538

Organization

ODSJSC

Server

Apache

Nameservers

ns1.digipowerdns.com.ns4.digipowerdns.com.ns2.digipowerdns.com.ns3.digipowerdns.com.

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%

8.4 MB

63 requests

Image Optimization

Lazy LoadResponsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

ODSJSC

Technology Stack

10 Technologies Detected

Analytics

CSS Frameworks

Libraries

Icon Libraries

Fonts

Web Servers

Languages

SEO Analysis

B77/100

Meta Tags14/15

Content12/12

Headings8/8

Technical18/25

E-E-A-T0/7

Images3/7

Links5/5

URL5/5

Social3/5

Freshness2/4

Mobile4/4

Indexability3/3

danketoan.comdanketoan.com

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Title Length47 chars

Recommended: 50-60 chars (~287px / 580px)

Description Length159 chars

Recommended: 120-160 chars

Issues (1)

• Most images missing alt text (11/21) — critical for accessibility and SEO

5 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

13 URLs

13 sub-sitemaps

robots.txt

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.

Sponsored

AI & LLM Readiness

D47/100

Bot Access

20/25

Machine Read.

7/25

Schema Data

3/25

Citation

17/25

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. listsnav

Text ratio:8%

Words:3,098

Token eff.:Good

Sections/1K:5.2

Depth:2/5

Structured Data

1 JSON-LD

WebSiteSearchAction

Citation Readiness

Opening Summary24w

Descriptive Headingsavg 6.8w

Canonical URL

Open Graph3/3

Twitter Card0/3

Language Tag

Publish Date

Author Info

Lists

Tables

TL;DR / Summary

About Page Link

Recommendations (9)

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.

67/100

Passed

Critical

Warnings

Images & Alt Text

10/20

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

Semantic Structure

17/20

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

6/15

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

3 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.

23/100

1.06 g

CO₂e / view

8.4 MB

Page Weight

Cleaner Than

New Visitor

1.22 g

Returning (cached)

608 mg

Annual (10K/mo)

127.7 kg

Emission Segments

Data Center

238 mg

Network

255 mg

Device

571 mg

Resource Breakdown

JavaScript

106.2 KB

Images

7.7 MB

CSS

137.2 KB

Fonts

375.3 KB

HTML

35.1 KB

Other

89.9 KB

Green Hosting Not Verified

ODSJSC

7 recommendations

•Carbon footprint recommendation preview...

Upgrade to view recommendations

Security Score

41%Poor

Interactive

HTTPS

No WAF

287d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Sectigo Limited

Key Algorithm

RSA (4096 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.2

HTTP Protocol

HTTP/1.1

Valid From

08.03.2026

Valid Until

08.03.2027

OCSP Stapling

Enabled

Subject Alternative Names (2)

www.danketoan.comdanketoan.com

SHA-256 Fingerprint

F1:03:89:FC:25:4D:AC:41:A5:1A:1D:AB:E7:47:B0:EB:0C:58:94:FC...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

cache-control

🔴 No Cache(private, no-cache, max-age=0)

connection

Keep-Alive

content-encoding

📦 Gzip(gzip)

content-length

35632

content-type

text/html; charset=utf-8

date

Mon, 25 May 2026 03:14:01 GMT

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

MX Records (1)

danketoan.com

Domain Information

danketoan.com

Domain Age

19y 11m

Created

06.06.2006

Expires

06.06.2027

Last Updated

07.06.2022

Registrar

PDR Ltd. d/b/a PublicDomainRegistry.com

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

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.

71/100

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

1 recommendation

•Mobile compatibility recommendation preview...

Upgrade to view recommendations

Typography & Readability

Helvetica

WCAG Partial

65/100

Readability

/30

17/30

13px · LH 1.40

Hierarchy

/20

14/20

1.85x ratio · ✓ H1→H6

WCAG

/25

16/25

1:1 min contrast

Performance

/25

18/25

2 fonts · 4 req

Heading Font

Helvetica

Sans24px

Body Font

Helvetica

Sans13px

Contrast Ratio

1:1

25 issues

Reading Comfort

~50 CPL

Optimal (45–75)

24px

20px

17px

13px

❌ Critical: 13px body text is too small. Minimum 14px, recommend 16px+.

✅ Optimal line spacing: 1.40 ratio (ideal range 1.4–1.6).

✅ Optimal line length: ~50 chars/line (ideal 45–75 CPL).

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

⚠️ Partial contrast: 25 elements below WCAG AA threshold (min 1.0:1).

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

GGoogle Fonts Buy on MyFontsFlesch 100

Color Palette

12 unique colors

Light

#ffffff

Primary· 47.3%

#e78125

Accent· 15.299999999999999%

#f8e749

Accent· 6.3%

#b8c6b2

Secondary· 5.5%

#396693

Primary· 5.2%

#50c2b1

Secondary· 4.9%

#e4522d

Accent· 3.5%

#cc813d

Accent· 2.5%

Business & Marketing Stack

3 Tools Detected

Advanced

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Advertising

Facebook PixelMid-Market

Ad platforms and retargeting pixels

Social Media

Facebook SDKFree

Social widgets and sharing tools

Sponsored

Scripts & Styles

10 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(4)connect.facebook.net(1)certify-js.alexametrics.com(1)googletagmanager.com(1)

Website Identity

danketoan.com

19 years old

Location detected: 🇻🇳 Vietnamvia ip

PDR Ltd. d/b/a PublicDomainRegistry.comvi-VN

Social Profiles

Facebook Pinterest

Sponsored

Last analyzed: 25 May 2026 at 03:31

Historical Analysis & Change Tracking