jetpack.com
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Hosting Provider
IP Address
192.0.78.25
Server Location
🇺🇸 San Francisco, United States
ASN
AS2635
Server
Nginx
Nameservers
Performance
Page Speed
Image Optimization
Architecture Stack
Technology Stack
16 Technologies Detected
Analytics
3Libraries
1CSS Frameworks
1Tag Managers
1Web Servers
1Customer Support
1SEO Analysis
Jetpack — Essential Security & Performance for WordPress
The ultimate WordPress plugin for security, backups, site performance, and growth tools
Recommended: 50-60 chars
Recommended: 120-160 chars
Issues (1)
- • Many images missing alt text (16/23)
2 issues found
Upgrade to view detailsCrawlability
Type: standard
26 rules
Sitemap reference found
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Security Score
HTTPS
No WAF
48d
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
02.01.2026
Valid Until
02.04.2026
Subject Alternative Names (2)
SHA-256 Fingerprint
A8:A1:BE:72:83:9C:1A:47:4F:5E:C2:BA:3C:D7:51:98:6B:B2:2A:C1...
Top Recommendations
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HTTP Headers
Developer Console
Email Infrastructure
Custom Mail Server
Score
100
DMARC Policy
Reject (Strictest)
MX Records (2)
Domain Information
jetpack.com
Created
19.01.1996
Expires
20.01.2033
Last Updated
28.08.2023
Registrar
MarkMonitor Inc.
Privacy & Compliance
GDPR Indicators
Typography & Readability
-apple-system
16px · LH 1.50
5.25x ratio
Contrast: undefined
1 font
Heading Font
-apple-system
Body Font
-apple-system
Contrast Ratio
--
Reading Comfort
~34 CPL
Needs attention✅ Excellent readability: 16px body text is ideal for all devices.
✅ Optimal line spacing: 1.50 ratio ensures comfortable reading.
✅ Strong hierarchy: Headlines are 5.2x larger than body text.
✅ Good performance: Using 1 font families keeps load times fast.
✅ Consistent design: Single font family with weight variations is a modern best practice.
✅ Smart font loading: Using font-display: swap prevents invisible text during load.
Business & Marketing Stack
2 Tools Detected
1
Categories
2
Total Tools
0
Enterprise
0
Mid-Market
Assessment: Growing marketing technology adoption
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Scripts & Styles
23 Resources
Top Script Sources
Website Identity
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Historical Analysis & Change Tracking