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500.com

https://500.com· First analyzed 02 May 2026· Updated 02 May 2026
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500.com
Desktop screenshot of 500.com
Mobile screenshot of 500.com
Mobile

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Hosting Provider

Huawei Cloud Service

IP Address

120.46.84.164

Site Location

🇨🇳 Chinavia ip

Server Location

🇨🇳 Beijing, China

ASN

AS55990

Organization

Huawei Cloud Service

Server

elb

Nameservers

ns1.huaweicloud-dns.net.ns1.huaweicloud-dns.org.ns1.huaweicloud-dns.cn.ns1.huaweicloud-dns.com.

Performance

78

Core Web Vitals

Weight

First Contentful Paint
2.5 s10%
Speed Index
3.2 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
32 KB
79 requests
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Infrastructure
Hosting
Huawei Cloud Service

Technology Stack

1 Technologies Detected

CSS Frameworks

1
Tailwind CSS

SEO Analysis

D50/100
10
14
3
Meta Tags10/15
Content11/12
Headings3/8
Technical11/25
E-E-A-T0/7
Images1/7
Links5/5
URL5/5
Social0/5
Freshness0/4
Mobile1/4
Indexability3/3
5
500.com500.com

500彩票网_彩票开奖查询__体彩专家分析_足彩比分直播平台

500彩票网彩票数据资讯平台提供足彩、体彩、足球彩票、体育彩票、竞彩、福彩等国家合法彩票的数据及资讯服务。是一家服务于中国彩民的互联网彩票数据资讯平台，是当前中国彩票数据资讯的领导者。

Title Length30 chars

Recommended: 50-60 chars (~186px / 580px)

Description Length92 chars

Recommended: 120-160 chars

Issues (3)

  • • Missing H1 tag — every page should have exactly one H1
  • • Most images missing alt text (30/36) — critical for accessibility and SEO
  • • Missing viewport meta tag — page may not be mobile-friendly (Google uses mobile-first indexing)

17 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

2 URLs

2 sub-sitemaps

robots.txt

83 rules

Sitemap reference found

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

F34/100
Bot Access
20/25
Machine Read.
9/25
Schema Data
0/25
Citation
5/25

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:3%
Words:904
Token eff.:Optimal
Sections/1K:16.6
Depth:1/5

Structured Data

1 JSON-LD

Citation Readiness

Opening Summary14w
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.
F
36/100
5
Passed
7
Critical
3
Warnings
Images & Alt Text
5/20
Checks if images have descriptive alt text for screen readers and visually impaired users.
Semantic Structure
8/20
Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.
Forms & Inputs
0/15
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.
4 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.
47/100
A+
4 mg
CO₂e / view
32.2 KB
Page Weight
95%
Cleaner Than
New Visitor
5 mg
vs
Returning (cached)
2 mg
Annual (10K/mo)
480 g
Emission Segments
Data Center
<0.001 g
Network
1 mg
Device
2 mg
Resource Breakdown
HTML
31.2 KB
Other
978 B
Green Hosting Not Verified
Huawei Cloud Service
5 recommendations
  • •Carbon footprint recommendation preview...
Upgrade to view recommendations
F

Security Score

5%Critical
Critical / Transactional

HTTPS

No WAF

216d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

UniTrust

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

04.12.2025

Valid Until

04.12.2026

OCSP Stapling

Enabled

Subject Alternative Names (18)

*.500.com500cache.com*.500cache.com500wan.cn*.500wan.cnsanyol.cn*.sanyol.cnesunsky.cn+10 more

SHA-256 Fingerprint

7B:DA:10:3D:95:6B:B1:A3:C1:6E:5A:40:9A:83:68:44:1A:E3:11:0F...

Top Recommendations

Security recommendation preview

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Upgrade to view header details

HTTP Headers

Developer Console

access-control-allow-credentials
true
access-control-allow-headers
X-Requested-With, Content-Type, if-modified-since
access-control-allow-methods
GET, POST, OPTIONS, HEAD
access-control-allow-origin
https://user.m.500.com
content-encoding
📦 Gzip(gzip)
content-security-policy
frame-ancestors 'self' *.500.com tongji.baidu.com, script-sr...
Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

75

SPF
DKIM
DMARC

DMARC Policy

Reject (Strictest)

MX Records (1)

smtp-pmg.500.com

Domain Information

500.com

Domain Age
30y 3m

Created

02.02.1996

Expires

03.02.2027

Last Updated

27.01.2026

Registrar

Chengdu West Dimension Digital Technology 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
36/100
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

Microsoft YaHei + 微软雅黑

WCAG Partial
52/100
Readability
/30
12/30

12px · LH 1.50

Hierarchy
/20
14/20

1x ratio · ✓ H1→H6

WCAG
/25
12/25

1.2:1 min contrast

Performance
/25
14/25

2 fonts

Heading Font

Microsoft YaHei

Sans12px

Body Font

微软雅黑

Sans12px

Contrast Ratio

1.2:1

38 issues

Reading Comfort

~179 CPL

Too wide
12px
h1
18px
h2
12px
h3
12px
p
Minor Second
Scale

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

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

❌ Very long lines: ~179 chars/line causes eye strain. Add max-width constraint.

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

⚠️ Partial contrast: 38 elements below WCAG AA threshold (min 1.2:1).

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

Buy on MyFontsFlesch 100

Color Palette

7 unique colors
Light
#ffffff
Background· 65.40000000000002%
#d93709
Accent· 6.5%
#98220e
Accent· 6.1%
#c7b1a9
Secondary· 5.8%
#3582d1
Primary· 5.4%

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

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Scripts & Styles

28 Resources

20
Scripts
8
Styles
8
Async
0
Defer

Top Script Sources

500cache.com(13)static-ssl.mediav.com(2)material-ssl.mediav.com(1)passport.500.com(1)zz.bdstatic.com(1)

Website Identity

500.com

30 years old
Location detected: 🇨🇳 Chinavia ip
Chengdu West Dimension Digital Technology Co., Ltd.

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Last analyzed: 02 May 2026 at 13:19

Historical Analysis & Change Tracking

500.com Technology Stack - Built With Tailwind CSS | StackOptic | StackOptic