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vihan.vn

https://vihan.vn· First analyzed 22 May 2026· Updated 22 May 2026
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vihan.vn
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Mobile

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Hosting Provider

Ionsite Software ONE Member Company Limited

IP Address

160.22.122.114

Site Location

🇻🇳 Vietnamvia tld

Server Location

🇻🇳 Liên Chiểu, Vietnam

ASN

AS135918

Organization

Ionsite Software ONE Member Company Limited

Server

Apache

Nameservers

pdns07.domaincontrol.com.pdns08.domaincontrol.com.

Performance

84

Core Web Vitals

Weight

First Contentful Paint
1.9 s10%
Speed Index
2.4 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
3.9 MB
127 requests
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Frontend
Styling
Bootstrap
CMS
WooCommerce
Infrastructure
Hosting
Ionsite Software ONE Member Company Limited

Technology Stack

11 Technologies Detected

UI Components

3
SwiperOwl CarouselFancybox

CSS Frameworks

2
Bootstrapv3.3.6
Tailwind CSS

Analytics

2
Google Analytics
Facebook Pixel

Libraries

1
jQueryv1.10.2

Icon Libraries

1
Font Awesome

Customer Support

1
Tawk.to

Web Servers

1
Apachev2

SEO Analysis

B71/100
19
10
0
Meta Tags12/15
Content12/12
Headings8/8
Technical17/25
E-E-A-T3/7
Images2/7
Links5/5
URL5/5
Social3/5
Freshness0/4
Mobile1/4
Indexability3/3
V
vihan.vnvihan.vn

Thiết Kế Web, Thiết Kế Website, Hosting Chất Lượng, thiet ke web

Thiết kế web web chuẩn seo, giúp bạn có nhiều khách hàng hơn và tăng doanh thu. Chúng tôi cung cấp các giải pháp thiết kế web đa dạng, bao gồm thiết kế web, ...

Description truncated.
Title Length64 chars

Recommended: 50-60 chars (~387px / 580px)

Description Length214 chars

Recommended: 120-160 chars

Issues (0)

    10 issues found

    Upgrade to view details

    Crawlability

    Sitemap

    Type: standard

    500 URLs

    robots.txt

    22 rules

    Sitemap reference found

    Local SEO

    Local Search Readiness

    22/100
    Needs Work
    6 11 1

    Sponsored

    AI & LLM Readiness

    D46/100
    Bot Access
    20/25
    Machine Read.
    12/25
    Schema Data
    1/25
    Citation
    13/25

    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.txtinvalid
    llms-full.txt
    Semantic HTML
    Heading Hierarchy
    Text ratio:18%
    Words:3,851
    Token eff.:Good
    Sections/1K:3.4

    Structured Data

    1 JSON-LD
    Person×1.3(min)

    Citation Readiness

    Opening Summary48w
    Descriptive Headingsavg 4.7w
    Canonical URL
    Open Graph3/3
    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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    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.
    C
    69/100
    10
    Passed
    5
    Critical
    1
    Warnings
    Images & Alt Text
    15/20
    Checks if images have descriptive alt text for screen readers and visually impaired users.
    Semantic Structure
    11/20
    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
    9/15
    Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
    3 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.
    9/100
    F
    488 mg
    CO₂e / view
    3.9 MB
    Page Weight
    15%
    Cleaner Than
    New Visitor
    558 mg
    vs
    Returning (cached)
    279 mg
    Annual (10K/mo)
    58.6 kg
    Emission Segments
    Data Center
    109 mg
    Network
    117 mg
    Device
    262 mg
    Resource Breakdown
    JavaScript
    212.0 KB
    Images
    2.9 MB
    CSS
    728.3 KB
    HTML
    21.5 KB
    Other
    1.0 KB
    Green Hosting Not Verified
    Ionsite Software ONE Member Company Limited
    7 recommendations
    • •Carbon footprint recommendation preview...
    Upgrade to view recommendations
    F

    Security Score

    21%Critical
    Interactive

    HTTPS

    No WAF

    89d

    Certificate Details

    Type

    Domain Validated (DV)

    Certificate Authority

    Let's Encrypt

    Key Algorithm

    ECDSA (secp384r1) (384 bit)

    Signature

    ECDSA with SHA-384

    TLS Version

    TLSv1.2

    HTTP Protocol

    HTTP/2

    Valid From

    22.05.2026

    Valid Until

    20.08.2026

    Subject Alternative Names (4)

    demo.vihan.vnip.vihan.vnvihan.vnwww.vihan.vn

    SHA-256 Fingerprint

    C0:8B:FE:87:AF:72:C6:D5:7C:00:9E:1B:94:04:BD:6A:80:03:79:28...

    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-length
    21724
    content-type
    text/html; charset=utf-8
    date
    Fri, 22 May 2026 21:47:30 GMT
    expires
    Thu, 19 Nov 1981 08:52:00 GMT
    Good Warning Issue

    Email Infrastructure

    Google Workspace

    Score

    45

    SPF
    DKIM
    DMARC

    MX Records (5)

    alt2.aspmx.l.google.com
    alt1.aspmx.l.google.com
    aspmx2.googlemail.com
    aspmx3.googlemail.com

    +1 more

    Domain Information

    vihan.vn

    DNSSEC
    Not Enabled

    Privacy & Compliance

    Cookie Consent Banner
    Privacy Policy
    Terms of Service

    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.
    C
    60/100
    Mobile Friendly3 breakpoints
    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
    3 recommendations
    • •Mobile compatibility recommendation preview...
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    Typography & Readability

    arial

    WCAG Partial
    74/100
    Readability
    /30
    25/30

    16px · LH 1.43

    Hierarchy
    /20
    14/20

    1.5x ratio · ✓ H1→H6

    WCAG
    /25
    16/25

    3.61:1 min contrast

    Performance
    /25
    19/25

    System fonts

    Heading Font

    arial

    Sans24px

    Body Font

    arial

    Sans16px

    Contrast Ratio

    3.61:1

    11 issues

    Reading Comfort

    ~38 CPL

    Narrow lines
    24px
    h1
    35px
    h2
    20px
    h3
    18px
    h4
    16px
    p

    ✅ Excellent readability: 16px body text is ideal for all devices.

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

    ✅ Easy to read: Flesch score 90/100 — accessible to general audiences.

    ⚠️ Partial contrast: 11 elements below WCAG AA threshold (min 3.6:1).

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

    ⚠️ Text justify detected: Justified text creates uneven word spacing, hurting readability on web.

    Flesch 90

    Color Palette

    13 unique colors
    Light
    #d1d5d0
    Other· 4.8%
    #fdfffe
    Background· 26.199999999999996%
    #5160b0
    Secondary· 11.2%
    #feff9c
    Accent· 10.5%
    #1f8bdf
    Accent· 9.2%
    #3961bd
    Accent· 7.9%
    #2175d2
    Accent· 5.9%
    #4479c9
    Primary· 5.8%

    Business & Marketing Stack

    3 Tools Detected

    Advanced

    Behavior Analytics

    1
    Google AnalyticsFree

    User behavior and product analytics

    Advertising

    1
    Facebook PixelMid-Market

    Ad platforms and retargeting pixels

    Social Media

    1
    Facebook SDKFree

    Social widgets and sharing tools

    3

    Categories

    3

    Total Tools

    0

    Enterprise

    1

    Mid-Market

    Assessment: Well-developed marketing technology stack

    Sponsored

    Scripts & Styles

    20 Resources

    15
    Scripts
    5
    Styles
    2
    Async
    0
    Defer

    Top Script Sources

    vihan.vn(8)connect.facebook.net(2)local(2)googletagmanager.com(1)cdn.jsdelivr.net(1)

    Website Identity

    Vihan

    CreativeWorkSeries
    0903018626
    Location detected: 🇻🇳 Vietnamvia tld
    📧 Google Workspaceen

    Social Profiles

    FacebookYouTube

    Sponsored

    Last analyzed: 22 May 2026 at 21:47

    Historical Analysis & Change Tracking