rainyun.com

https://rainyun.com· First analyzed 13 May 2026· Updated 13 May 2026

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rainyun.com

Mobile

Sponsored

Hosting Provider

Hubei Feixun Network Co., Ltd

IP Address

210.16.170.94

Site Location

🇨🇳 Chinavia ip

Server Location

🇨🇳 Beijing, China

ASN

AS146817

Organization

Hubei Feixun Network Co., Ltd

Server

Caddy

Performance

Core Web Vitals

Weight

First Contentful Paint

5.6 s10%

Speed Index

7.3 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

8.6 MB

68 requests

Image Optimization

WebP

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Frontend

Styling

Tailwind CSS

Infrastructure

Hosting

Hubei Feixun Network Co., Ltd

Technology Stack

3 Technologies Detected

CSS Frameworks

Tailwind CSS

Icon Libraries

Font Awesome

Web Servers

Caddy

SEO Analysis

D46/100

Meta Tags5/15

Content3/12

Headings6/8

Technical13/25

E-E-A-T0/7

Images2/7

Links5/5

URL5/5

Social0/5

Freshness0/4

Mobile4/4

Indexability3/3

rainyun.comrainyun.com

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Title Length14 chars

Recommended: 50-60 chars (~86px / 580px)

Description Length69 chars

Recommended: 120-160 chars

Issues (2)

• Very thin content (3 words). Search engines need substantial content for ranking.
• Most images missing alt text (53/63) — critical for accessibility and SEO

9 issues found

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Crawlability

Sitemap

Type: standard

robots.txt

28 rules

Local SEO

Local Search Readiness

5/100

Poor

2 13 2

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

Sponsored

AI & LLM Readiness

F11/100

Bot Access

3/25

Machine Read.

6/25

Schema Data

0/25

Citation

2/25

AI Bot Access

1/14 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:0%

Words:213

Token eff.:Too Short

Structured Data

No Schema

Citation Readiness

Opening Summary

Descriptive Headings

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...

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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.

64/100

Passed

Critical

Warnings

Images & Alt Text

20/20

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

Semantic Structure

6/20

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

7/15

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.

2 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.

21/100

1.09 g

CO₂e / view

8.6 MB

Page Weight

Cleaner Than

New Visitor

1.25 g

Returning (cached)

624 mg

Annual (10K/mo)

131.1 kg

Emission Segments

Data Center

244 mg

Network

262 mg

Device

586 mg

Resource Breakdown

JavaScript

1.4 MB

Images

6.6 MB

CSS

705.8 KB

HTML

1.6 KB

Green Hosting Not Verified

Hubei Feixun Network Co., Ltd

8 recommendations

•Carbon footprint recommendation preview...

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Security Score

71%Good

Static / Informational

HTTPS

No WAF

53d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-384

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2+H3

Valid From

07.04.2026

Valid Until

06.07.2026

Subject Alternative Names (1)

www.rainyun.com

SHA-256 Fingerprint

19:95:8B:79:9C:16:B9:E0:72:E3:2B:9B:5E:9E:58:C3:DF:54:6C:7E...

Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

accept-ranges

bytes

alt-svc

h3=":443"; ma=2592000

apisix-cache-status

EXPIRED

content-encoding

📦 Gzip(gzip)

content-length

1347

content-type

text/html; charset=utf-8

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

Domain Information

rainyun.com

Domain Age

8y 1m

Created

29.03.2018

Expires

29.03.2027

Last Updated

27.02.2025

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.

66/100

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,maximum-scale=1

2 recommendations

•Mobile compatibility recommendation preview...

Upgrade to view recommendations

Typography & Readability

PingFang SC

WCAG Partial

68/100

Readability

/30

23/30

14px · LH 1.50

Hierarchy

/20

15/20

3x ratio

WCAG

/25

16/25

1:1 min contrast

Performance

/25

14/25

1 font

Heading Font

PingFang SC

Sans42px

Body Font

PingFang SC

Sans14px

Contrast Ratio

1:1

4 issues

Reading Comfort

~34 CPL

Narrow lines

42px

24px

21px

14px

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

✅ Optimal line spacing: 1.50 ratio (ideal range 1.4–1.6).

⚠️ Partial contrast: 4 elements below WCAG AA threshold (min 1.0:1).

⚠️ Minor heading issue: 1 level skip(s) detected. Maintain sequential order for screen readers.

✅ Strong hierarchy: Headlines are 3.0x larger than body text.

✅ Lean font stack: 1 font families keeps load times fast.

Buy on MyFonts

Color Palette

7 unique colors

Light

#ffffff

Background· 33.2%

#060b06

Background· 31.4%

#172a22

Primary· 17.900000000000002%

#263137

Secondary· 6.8%

#5f7f84

Secondary· 4.1%

#d0eae1

Secondary· 2.3%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

19 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(5)hm.baidu.com(1)turing.captcha.qcloud.com(1)turing.captcha.gtimg.com(1)umami.rainyun.cn(1)

Website Identity

rainyun.com

report@rainyun.cn

8 years old

Location detected: 🇨🇳 Chinavia ip

Alibaba Cloud Computing (Beijing) Co., Ltd.zh

Sponsored

Last analyzed: 13 May 2026 at 18:02

Historical Analysis & Change Tracking