Security Analysis Results

brianyu.pages.dev

Comprehensive domain security and infrastructure analysis

Live Website Preview

website screenshot of https://brianyu.pages.dev/

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:August 17, 2025 17:00:37
Scan Complete

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Page Information

Target URL
https://brianyu.pages.dev/
Page Title
Brian Yu
brianyu.pages.dev faviconSite Favicon
Status
Active

Host Information

Domain
brianyu.pages.dev
Server
cloudflare
Country
United States
IP Address
104.21.96.1
ASN Information
13335
CLOUDFLARENET

Technologies

HSTS logo
HSTS
Security
Google Analytics logo
Google Analytics
Analytics
Cloudflare logo
Cloudflare
CDN
HTTP/3 logo
HTTP/3
Miscellaneous

SSL Certificate

HTTPS Enabled
Secure
Certificate Issuer
49m323 Gateway Proxy BISO MITM CA
Valid From
2025-08-15 04:52:43
Valid Until
2025-09-14 04:53:13
Subject Name
brianyu.pages.dev

Performance Statistics

16
Total Requests
4
Domains
4
IP Addresses
2.8 MB
Transfer Size
Content Size3.26 MB

HTTP Headers

access-control-allow-origin
*
alt-svc
h3=":443"; ma=86400
cache-control
public, max-age=0, must-revalidate
cf-ray
970abac30b8be112-MRS
cf-team
295a930b510000a0bf1454f400000001
content-encoding
br
content-type
text/html; charset=utf-8
date
Sun, 17 Aug 2025 17:00:46 GMT
etag
W/"7ffbe494b7f34080db629c8d00c26ad2"
nel
{"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
referrer-policy
strict-origin-when-cross-origin
report-to
{"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=GXLFRFALztv8j56PCwY1oNRHI%2BlER4cqoLs6Q6WEb9AbtyFxG2Dp0BOHoRHj69vMXSK320kxBzYbWi3x%2FrheRGxtAt%2BQZeVchhq72Gr1hdF5rIWa4798%2FGVRbg%3D%3D"}]}
server
cloudflare
server-timing
cfReqDur;dur=1035.354
vary
accept-encoding
x-content-type-options
nosniff
16 headers detected

Technology Stack Analysis

HSTS

HSTS

Security

HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.

Google Analytics

Google Analytics

Analytics

Google Analytics is a free web analytics service that tracks and reports website traffic.

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.

HTTP/3

HTTP/3

Miscellaneous

HTTP/3 is the third major version of the Hypertext Transfer Protocol used to exchange information on the World Wide Web.

Website Cookies 2

_ga

.brianyu.pages.dev

Value
GA1.1.325752195.1755450054
Expires:9/21/2026

_ga_Z22ZVTTNM4

.brianyu.pages.dev

Value
GS2.1.s1755450053$o1$g0$t1755450053$j60$l0$h0
Expires:9/21/2026

External Links 11

YouTube

youtube.com

Analyze
Target URL
https://youtube.com/spanningtree

Harvard University

harvard.edu

Analyze
Target URL
https://harvard.edu

artificial intelligence

edx.org

Analyze
Target URL
https://edx.org/course/cs50s-introduction-to-artificial-intelligence-with-python

web programming

edx.org

Analyze
Target URL
https://edx.org/course/cs50s-web-programming-with-python-and-javascript

CS50

cs50.harvard.edu

Analyze
Target URL
https://cs50.harvard.edu

CS51

cs51.io

Analyze
Target URL
https://cs51.io

join the Spanning Tree mailing list

spanningtree.substack.com

Analyze
Target URL
https://spanningtree.substack.com/

subscribe on YouTube

www.youtube.com

Analyze
Target URL
https://www.youtube.com/channel/UCDzVUXiTr3hClI-zzCWbYzg?sub_confirmation=1

GitHub

github.com

Analyze
Target URL
https://github.com/brianyu28

LinkedIn

www.linkedin.com

Analyze
Target URL
https://www.linkedin.com/in/brian-yu/

Substack

spanningtree.substack.com

Analyze
Target URL
https://spanningtree.substack.com

Requested Domains 4

apis.google.com

Unknown Type
No category information available

brianyu.pages.dev

Apex domain
No category information available

spanningtree.substack.com

Unknown Type
No category information available

www.googletagmanager.com

Unknown Type
No category information available
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