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valcoo.com

https://valcoo.com· First analyzed 30 Apr 2026· Updated 30 Apr 2026
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valcoo.com
Desktop screenshot of valcoo.com
Mobile screenshot of valcoo.com
Mobile

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Hosting Provider

Alibaba Cloud
alibabacloud.com

IP Address

43.109.101.6

Site Location

🇫🇮 Finlandvia ip

Server Location

🇫🇮 Helsinki, Finland

ASN

AS24429

Organization

Alibaba.com LLC

Server

Tengine

CDN

CDN

Performance

100

Core Web Vitals

Weight

First Contentful Paint
270 ms10%
Speed Index
351 ms10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
1.9 MB
21 requests
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Infrastructure
Hosting
Alibaba Cloud
CDN
CDN

Technology Stack

3 Technologies Detected

Libraries

1
jQueryv1.7.2

CSS Frameworks

1
Tailwind CSS

Web Servers

1
Tengine

SEO Analysis

D42/100
10
10
3
Meta Tags4/15
Content7/12
Headings6/8
Technical7/25
E-E-A-T0/7
Images1/7
Links5/5
URL5/5
Social0/5
Freshness0/4
Mobile4/4
Indexability3/3
V
valcoo.comvalcoo.com

温宁温控

No description available for this page.

Title Length4 chars

Recommended: 50-60 chars (~24px / 580px)

Description Length0 chars

Recommended: 120-160 chars

Issues (3)

  • • Missing meta description — important for click-through rates in SERPs
  • • Most images missing alt text (15/15) — critical for accessibility and SEO
  • • Missing viewport meta tag — page may not be mobile-friendly (Google uses mobile-first indexing)

13 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

156 URLs

robots.txt

Local SEO

Local Search Readiness

0/100
Poor
15 2

This site doesn't appear to be a local business. Local SEO signals are optional for non-local websites.

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AI & LLM Readiness

F28/100
Bot Access
20/25
Machine Read.
5/25
Schema Data
0/25
Citation
3/25

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. lists
Text ratio:5%
Words:170
Token eff.:Too Short
Sections/1K:5.9
Depth:1/5

Structured Data

No Schema

Citation Readiness

Opening Summary
Descriptive Headingsavg 1w
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...
Upgrade to view recommendations

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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
54/100
7
Passed
6
Critical
0
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
15/15
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.
29/100
D
246 mg
CO₂e / view
1.9 MB
Page Weight
50%
Cleaner Than
New Visitor
281 mg
vs
Returning (cached)
140 mg
Annual (10K/mo)
29.5 kg
Emission Segments
Data Center
55 mg
Network
59 mg
Device
132 mg
Resource Breakdown
JavaScript
37.2 KB
Images
1.9 MB
CSS
7.2 KB
HTML
6.1 KB
Green Hosting Not Verified
Alibaba Cloud
5 recommendations
  • •Carbon footprint recommendation preview...
Upgrade to view recommendations
B

Security Score

71%Good
Static / Informational

HTTPS

No WAF

51d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

DigiCert Inc

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/1.1

Valid From

23.03.2026

Valid Until

20.06.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

valcoo.comwww.valcoo.com

SHA-256 Fingerprint

5E:2D:24:94:5A:D7:1E:A5:FF:8C:2E:DA:CB:DF:B6:31:A0:BB:21:9A...

Recommendations

Security recommendation preview

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Upgrade to view header details

HTTP Headers

Developer Console

age
546143
ali-swift-global-savetime
1777005994
connection
keep-alive
content-encoding
📦 Gzip(gzip)
content-type
text/html; charset=utf-8
date
Fri, 24 Apr 2026 04:46:33 GMT
Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

20

SPF
DKIM
DMARC

DMARC Policy

None (Monitor Only)

Domain Information

valcoo.com

Domain Age
12y 7m

Created

21.09.2013

Expires

21.09.2028

Last Updated

12.06.2025

Registrar

Alibaba Cloud Computing (Beijing) Co., Ltd.

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.
F
23/100
Not Mobile Friendly
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.
5 recommendations
  • •Mobile compatibility recommendation preview...
Upgrade to view recommendations

Typography & Readability

微软雅黑

WCAG AAA
61/100
Readability
/30
13/30

18px · LH 2.11

Hierarchy
/20
13/20

2.22x ratio

WCAG
/25
21/25

9.4:1 min contrast

Performance
/25
14/25

1 font

Heading Font

微软雅黑

Sans40px

Body Font

微软雅黑

Sans18px

Contrast Ratio

9.4:1

WCAG AAA (≥7:1)

Reading Comfort

~137 CPL

Too wide
40px
h1
36px
h2
18px
p

✅ Excellent readability: 18px body text is ideal for all devices.

⚠️ Wide line spacing (2.11). 1.4–1.6 is optimal for body text.

❌ Very long lines: ~136 chars/line causes eye strain. Add max-width constraint.

✅ WCAG AAA contrast: All text meets 7:1 ratio (min 9.4:1).

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

✅ Strong hierarchy: Headlines are 2.2x larger than body text.

Buy on MyFonts

Color Palette

13 unique colors
Light
#ffffff
Text· 13.700000000000001%
#222733
Primary· 14.600000000000001%
#9bc5e6
Accent· 13.5%
#4192d0
Accent· 8.5%
#7fb5e0
Accent· 8.1%
#427aa4
Secondary· 7.5%
#ccced5
Secondary· 6.3%
#a1b7cf
Secondary· 5.6%

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Scripts & Styles

5 Resources

4
Scripts
1
Styles
0
Async
0
Defer

Top Script Sources

local(3)hm.baidu.com(1)

Website Identity

valcoo.com

12 years old
Location detected: 🇫🇮 Finlandvia ip
Alibaba Cloud Computing (Beijing) Co., Ltd.

Social Profiles

X (Twitter)

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Last analyzed: 30 Apr 2026 at 12:29

Historical Analysis & Change Tracking