StackOptic
Back to Search
safetyhanoi.com favicon

safetyhanoi.com

https://safetyhanoi.com· First analyzed 13 May 2026· Updated 13 May 2026
Export
safetyhanoi.com
Desktop screenshot of safetyhanoi.com
Mobile screenshot of safetyhanoi.com
Mobile

Sponsored

Hosting Provider

NHANHOA

IP Address

103.28.36.66

Site Location

🇻🇳 Hà Nội, Vietnamvia geo_meta

Server Location

🇻🇳 Đống Đa, Vietnam

ASN

AS131353

Organization

NHANHOA

Nameservers

ns4.zonedns.vn.ns1.zonedns.vn.ns2.zonedns.vn.ns3.zonedns.vn.

Performance

99

Core Web Vitals

Weight

First Contentful Paint
784 ms10%
Speed Index
1.0 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
6.7 MB
87 requests
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Infrastructure
Hosting
NHANHOA

Technology Stack

4 Technologies Detected

Analytics

2
Google Analytics
Segment

Libraries

1
jQueryv1.3.2

Languages

1
PHPv5.6.40

SEO Analysis

D59/100
15
8
2
Meta Tags12/15
Content11/12
Headings6/8
Technical12/25
E-E-A-T0/7
Images1/7
Links5/5
URL5/5
Social0/5
Freshness0/4
Mobile4/4
Indexability3/3
S
safetyhanoi.comsafetyhanoi.com

Bảo hộ lao động hà nội,Safety Hanoi,安全ハノイ,안전 하노이

Bảo hộ lao động hà nội,Safety Hanoi,安全ハノイ,안전 하노이,Hanoi safety, seat belts, steel tip shoes, safety shoes, helmets, gas masks, reflective clothing, goggles, c...

Description truncated.
Title Length48 chars

Recommended: 50-60 chars (~284px / 580px)

Description Length210 chars

Recommended: 120-160 chars

Issues (2)

  • • Most images missing alt text (89/89) — critical for accessibility and SEO
  • • Missing viewport meta tag — page may not be mobile-friendly (Google uses mobile-first indexing)

10 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

1,637 URLs

robots.txt

2 rules

Sitemap reference found

Allows all crawlers

Local SEO

Local Search Readiness

21/100
Needs Work
6 12 2

Sponsored

AI & LLM Readiness

F36/100
Bot Access
20/25
Machine Read.
8/25
Schema Data
0/25
Citation
8/25

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:9%
Words:1,656
Token eff.:Optimal
Sections/1K:36.2

Structured Data

No Schema

Citation Readiness

Opening Summary35w
Descriptive Headingsavg 8.3w
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...
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.
D
46/100
6
Passed
6
Critical
2
Warnings
Images & Alt Text
5/20
Checks if images have descriptive alt text for screen readers and visually impaired users.
Semantic Structure
9/20
Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.
Forms & Inputs
7/15
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
1/15
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.
10/100
F
851 mg
CO₂e / view
6.7 MB
Page Weight
5%
Cleaner Than
New Visitor
973 mg
vs
Returning (cached)
487 mg
Annual (10K/mo)
102.2 kg
Emission Segments
Data Center
190 mg
Network
204 mg
Device
457 mg
Resource Breakdown
JavaScript
34.6 KB
Images
6.7 MB
CSS
21.5 KB
HTML
11.8 KB
Green Hosting Not Verified
NHANHOA
7 recommendations
  • •Carbon footprint recommendation preview...
Upgrade to view recommendations
F

Security Score

21%Critical
Interactive

HTTPS

No WAF

28d

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+H3

Valid From

13.03.2026

Valid Until

11.06.2026

Subject Alternative Names (5)

mail.safetyhanoi.comsafetyhanoi.baohohoanglong.comsafetyhanoi.comwww.safetyhanoi.baohohoanglong.comwww.safetyhanoi.com

SHA-256 Fingerprint

99:40:DF:18:12:A7:48:B6:FD:22:4E:E6:BD:F9:99:8D:66:39:3C:B3...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations
Upgrade to view header details

HTTP Headers

Developer Console

alt-svc
h3=":443"; ma=2592000, h3-29=":443"; ma=2592000, h3-Q050=":4...
content-encoding
📦 Gzip(gzip)
content-type
text/html; charset=UTF-8
date
Wed, 13 May 2026 11:36:35 GMT
vary
Accept-Encoding
x-powered-by
PHP/5.6.40
Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

20

SPF
DKIM
DMARC

MX Records (1)

safetyhanoi.com

Domain Information

safetyhanoi.com

Domain Age
12y 2m

Created

12.03.2014

Expires

12.03.2027

Last Updated

10.03.2026

Registrar

Nhan Hoa Software Company Ltd.

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.
F
31/100
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...
Upgrade to view recommendations

Typography & Readability

Arial

WCAG Partial
53/100
Readability
/30
11/30

12px · LH --

Hierarchy
/20
8/20

1x ratio

WCAG
/25
14/25

1:1 min contrast

Performance
/25
20/25

System fonts

Heading Font

Arial

Sans12px

Body Font

Arial

Sans12px

Contrast Ratio

1:1

10 issues

Reading Comfort

~99 CPL

Wide lines
12px
h1
12px
h2
19px
h3
12px
p
Major Third
Scale

❌ Critical: 12px body text is too small. Minimum 14px, recommend 16px+.

⚠️ Wide lines: ~98 chars/line. Use max-width: 65ch for comfortable reading.

❌ Very complex text: Flesch score 6/100. Consider shorter sentences and simpler words.

⚠️ Partial contrast: 10 elements below WCAG AA threshold (min 1.0:1).

⚠️ Minor heading issue: 0 level skip(s) detected. Maintain sequential order for screen readers.

⚠️ Weak hierarchy: Headlines should be ≥2x body size for clear visual structure.

Flesch 6

Color Palette

9 unique colors
Light
#e5e5e5
Other· 33.1%
#466885
Primary· 8.3%
#9d1d21
Accent· 6.5%
#a77970
Secondary· 5.4%
#e0ccb2
Secondary· 1.4%
#edebc1
Accent· 0.1%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

1
Google AnalyticsFree

User behavior and product analytics

1

Categories

1

Total Tools

0

Enterprise

0

Mid-Market

Assessment: Growing marketing technology adoption

Sponsored

Scripts & Styles

9 Resources

5
Scripts
4
Styles
2
Async
0
Defer

Top Script Sources

google-analytics.com(2)safetyhanoi.com(2)uhchat.net(1)

Website Identity

safetyhanoi.com

12 years old
Location detected: 🇻🇳 Vietnam, Hà Nộivia geo_meta
Nhan Hoa Software Company Ltd.vi-vn

Sponsored

Last analyzed: 13 May 2026 at 11:37

Historical Analysis & Change Tracking