Security Analysis Results

jefflan.blue

Comprehensive domain security and infrastructure analysis

Live Website Preview

website screenshot of https://jefflan.blue/

No Security Risks Detected

This domain appears to be safe and secure

100%
Score

Disclaimer: This assessment is based on automated analysis of publicly available information. Results are for informational purposes only. For critical applications, consult security professionals.

Scan Information

Last checked:July 20, 2025 09:03:36
Scan Complete

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Page Information

Target URL
https://jefflan.blue/
Page Title
About
jefflan.blue faviconSite Favicon
Status
Active

Host Information

Domain
jefflan.blue
Server
GitHub.com
Country
United States
IP Address
185.199.109.153
ASN Information
54113
FASTLY

Technologies

Jekyll logo
Jekyll
Static site generator
Ruby logo
Ruby
Programming languages
Varnish logo
Varnish
Caching
GitHub Pages logo
GitHub Pages
PaaS
Cloudflare logo
Cloudflare
CDN
jsDelivr logo
jsDelivr
CDN
+2 more technologies detected

SSL Certificate

HTTPS Enabled
Secure
Certificate Issuer
49m272 Gateway Proxy BISO MITM CA
Valid From
2025-07-16 04:18:43
Valid Until
2025-08-15 04:19:13
Subject Name
jefflan.blue

Performance Statistics

9
Total Requests
4
Domains
4
IP Addresses
1.12 MB
Transfer Size
Content Size2.19 MB

HTTP Headers

accept-ranges
bytes
access-control-allow-origin
*
age
0
cache-control
max-age=600
cf-team
28c8ac40110000185255d12400000001
content-encoding
gzip
content-length
2340
content-type
text/html; charset=utf-8
date
Sun, 20 Jul 2025 09:03:44 GMT
etag
W/"687caef0-1630"
expires
Sun, 20 Jul 2025 09:09:13 GMT
last-modified
Sun, 20 Jul 2025 08:55:12 GMT
server
GitHub.com
server-timing
cfReqDur;dur=945.476
vary
Accept-Encoding
via
1.1 varnish
x-cache
HIT
x-cache-hits
0
x-fastly-request-id
34fbff63942cc5e61b2655eed93d373b9e74dab2
x-github-request-id
DDA5:F156B:243F8ED:28CB571:687CAFE0
x-origin-cache
HIT
x-proxy-cache
MISS
x-served-by
cache-dfw-kdfw8210169-DFW
x-timer
S1753002224.297919,VS0,VE46
24 headers detected

Technology Stack Analysis

Jekyll

Jekyll

Static site generator

Jekyll is a blog-aware, static site generator for personal, project, or organisation sites.

Ruby

Ruby

Programming languages

Ruby is an open-source object-oriented programming language.

Varnish

Varnish

Caching

Varnish is a reverse caching proxy.

GitHub Pages

GitHub Pages

PaaS

GitHub Pages is a static site hosting service.

Cloudflare

Cloudflare

CDN

Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.

jsDelivr

jsDelivr

CDN

JSDelivr is a free public CDN for open-source projects. It can serve web files directly from the npm registry and GitHub repositories without any configuration.

Fastly

Fastly

CDN

Fastly is a cloud computing services provider. Fastly's cloud platform provides a content delivery network, Internet security services, load balancing, and video & streaming services.

cdnjs

cdnjs

CDN

cdnjs is a free distributed JS library delivery service.

External Links 6

About

jianfenglan.github.io

Analyze
Target URL
https://jianfenglan.github.io/

Articles

jianfenglan.github.io

Analyze
Target URL
https://jianfenglan.github.io/articles/

Explorations

jianfenglan.github.io

Analyze
Target URL
https://jianfenglan.github.io/explorations/

News

jianfenglan.github.io

Analyze
Target URL
https://jianfenglan.github.io/news/

📃Google Scholar

scholar.google.com

Analyze
Target URL
https://scholar.google.com/citations?user=Jggjp2IAAAAJ&hl=zh-CN

📄ORCID

orcid.org

Analyze
Target URL
https://orcid.org/0009-0000-1241-3361

Requested Domains 4

cdn.jsdelivr.net

Unknown Type
No category information available

cdnjs.cloudflare.com

Unknown Type
No category information available

jefflan.blue

Unknown Type
No category information available

jianfenglan.github.io

Unknown Type
No category information available
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