vika.cn

https://vika.cn· First analyzed 28 May 2026· Updated 28 May 2026

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vika.cn

Mobile

Sponsored

Hosting Provider

Huawei Cloud Service

IP Address

110.41.132.153

Site Location

🇨🇳 Chinavia tld

Server Location

🇨🇳 Guangzhou, China

ASN

AS55990

Organization

Huawei Cloud Service

Server

OpenResty

Performance

Core Web Vitals

Weight

First Contentful Paint

1.4 s10%

Speed Index

1.9 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

863 KB

74 requests

0–49

50–89

90–100

Architecture Stack

Hybrid

🔀 Hybrid

Frontend

Framework

Next.js

Infrastructure

Hosting

Huawei Cloud Service

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

7 Technologies Detected

Analytics

Meta Frameworks

CSS Frameworks

Tag Managers

Web Servers

SEO Analysis

F33/100

Meta Tags4/15

Content0/12

Headings0/8

Technical13/25

E-E-A-T0/7

Images2/7

Links4/5

URL5/5

Social1/5

Freshness0/4

Mobile1/4

Indexability3/3

vika.cnvika.cn

vikadata

No description available for this page.

Title Length8 chars

Recommended: 50-60 chars (~47px / 580px)

Description Length0 chars

Recommended: 120-160 chars

Issues (3)

• Missing meta description — important for click-through rates in SERPs
• Very thin content (42 words). Search engines need substantial content for ranking.
• Missing H1 tag — every page should have exactly one H1

13 issues found

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Crawlability

Sitemap

Type: index

9 URLs

9 sub-sitemaps

robots.txt

3 rules

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.

Sponsored

AI & LLM Readiness

F25/100

Bot Access

20/25

Machine Read.

1/25

Schema Data

0/25

Citation

4/25

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:0%

Words:41

Token eff.:Too Short

Structured Data

No Schema

Citation Readiness

Opening Summary51w

Descriptive Headings

Canonical URL

Open Graph1/3

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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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.

68/100

Passed

Critical

Warnings

Images & Alt Text

20/20

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

Semantic Structure

3/20

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

6/15

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.

41/100

107 mg

CO₂e / view

863.4 KB

Page Weight

80%

Cleaner Than

New Visitor

122 mg

Returning (cached)

61 mg

Annual (10K/mo)

12.8 kg

Emission Segments

Data Center

24 mg

Network

26 mg

Device

57 mg

Resource Breakdown

JavaScript

614.7 KB

Images

368 B

CSS

7.1 KB

HTML

8.8 KB

Other

232.5 KB

Green Hosting Not Verified

Huawei Cloud Service

5 recommendations

•Carbon footprint recommendation preview...

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Security Score

71%Good

Static / Informational

HTTPS

No WAF

150d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Sectigo Limited

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

10.04.2026

Valid Until

25.10.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.vika.cnvika.cn

SHA-256 Fingerprint

75:0A:23:9D:54:95:E2:ED:C5:80:32:24:00:11:C6:A4:22:7E:E6:81...

Recommendations

Security recommendation preview

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Upgrade to view header details

HTTP Headers

Developer Console

cache-control

🔴 No Cache(private, no-cache, no-store, max-age=0, must-revalidate, no-...)

content-encoding

📦 Gzip(gzip)

content-type

text/html; charset=utf-8

date

Thu, 28 May 2026 03:14:44 GMT

server

openresty

vary

Accept-Encoding

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

Domain Information

vika.cn

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

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.

56/100

Mobile Friendly4 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,viewport-fit=cover, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no

4 recommendations

•Mobile compatibility recommendation preview...

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Typography & Readability

-apple-system

WCAG Partial

64/100

Readability

/30

18/30

14px · LH 1.57

Hierarchy

/20

10/20

WCAG

/25

14/25

3.36:1 min contrast

Performance

/25

22/25

System fonts

Heading Font

-apple-system

Body Font

-apple-system

Sans14px

Contrast Ratio

3.36:1

16 issues

Reading Comfort

Single Family

left aligned

14px

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

✅ Optimal line spacing: 1.57 ratio (ideal range 1.4–1.6).

❌ Very complex text: Flesch score 0/100. Consider shorter sentences and simpler words.

⚠️ Partial contrast: 16 elements below WCAG AA threshold (min 3.4:1).

✅ System fonts: Zero font loading delay — best possible LCP impact.

Flesch 0

Color Palette

6 unique colors

Light

#ffffff

Background· 70%

#7669c4

Secondary· 5.8%

#000000

Primary· 0%

#22222b

Text· 5.1%

#a7a9bc

Secondary· 3.9%

#e4e1ea

Secondary· 3.5%

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

19 Resources

Scripts

Styles

Async

Defer

Top Script Sources

s4.vika.cn(8)googletagmanager.com(2)local(2)g.alicdn.com(2)hm.baidu.com(1)

Website Identity

vika.cn

Location detected: 🇨🇳 Chinavia tld

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Last analyzed: 28 May 2026 at 03:15

Historical Analysis & Change Tracking