52tikong.com
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Hosting Provider
cloudflare.comIP Address
104.21.25.249
Site Location
🇨🇦 Canadavia ip
Server Location
🇨🇦 Toronto, Canada
ASN
AS13335
Organization
Cloudflare, Inc.
Server
Cloudflare
CDN
Cloudflare
WAF
Cloudflare
Nameservers
Performance
Core Web Vitals
Weight
Architecture Stack
SEO Analysis
52梯控论坛-电梯卡延期复制修改楼层计算效验车卡门禁卡NFC PM3 ACr122U - Powered by Discuz!
52梯控论坛最大的交流IC卡数据 电梯卡复制,电梯卡延期,电梯卡修改楼层,计算效验,车卡门禁卡,复制电梯卡门禁卡车卡,PM3,ACR122U NFC PN532等设备教程,IC卡延期
Recommended: 50-60 chars (~395px / 580px)
Recommended: 120-160 chars
Issues (2)
- • Missing H1 tag — every page should have exactly one H1
- • Missing viewport meta tag — page may not be mobile-friendly (Google uses mobile-first indexing)
16 issues found
Upgrade to view detailsCrawlability
23 rules
Local SEO
Local Search Readiness
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
AI Bot Access
14/14 accessibleMachine Readability
Structured Data
No SchemaCitation Readiness
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Accessibility
WCAG 2.1 Compliance
- •Accessibility recommendation preview...
Carbon Footprint
SWDM v4 · Eco-Score
- •Carbon footprint recommendation preview...
Security Score
HTTPS
WAF
42d
Certificate Details
Type
Domain Validated (DV)
Certificate Authority
Google Trust Services
Key Algorithm
ECDSA (secp256r1) (256 bit)
Signature
ECDSA with SHA-256
TLS Version
TLSv1.3
HTTP Protocol
HTTP/2+H3
Valid From
24.03.2026
Valid Until
22.06.2026
OCSP Stapling
Enabled
Subject Alternative Names (2)
SHA-256 Fingerprint
81:5F:93:38:84:A5:9F:C3:CF:70:E4:CA:B7:27:B1:13:DD:A6:10:DF...
Top Recommendations
Security recommendation preview
HTTP Headers
Developer Console
Email Infrastructure
Custom Mail Server
Score
0
Domain Information
52tikong.com
Created
21.03.2018
Expires
21.03.2027
Last Updated
21.03.2026
Registrar
Cloudflare, Inc.
Mobile Compatibility
Viewport & Responsive Test
- •Mobile compatibility recommendation preview...
Typography & Readability
Tahoma
12px · LH 1.80
1.1:1 min contrast
1 font
Heading Font
Tahoma
Body Font
Tahoma
Contrast Ratio
1.1:1
19 issuesReading Comfort
~56 CPL
Optimal (45–75)❌ Critical: 12px body text is too small. Minimum 14px, recommend 16px+.
✅ Optimal line length: ~56 chars/line (ideal 45–75 CPL).
⚠️ Partial contrast: 19 elements below WCAG AA threshold (min 1.1:1).
❌ Missing H1: Every page should have exactly one H1 element for SEO and accessibility.
✅ Lean font stack: 1 font families keeps load times fast.
⚠️ Missing font-display: swap — users may see invisible text while fonts load (FOIT).
Color Palette
5 unique colorsBusiness & Marketing Stack
1 Tools Detected
1
Categories
1
Total Tools
0
Enterprise
0
Mid-Market
Assessment: Growing marketing technology adoption
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Scripts & Styles
7 Resources
Top Script Sources
Website Identity
52tikong.com
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Historical Analysis & Change Tracking