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 13, 2025 11:46:57
Target URL:https://atcoder-rating-estimator.pages.dev/
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Page Information
Target URL
https://atcoder-rating-estimator.pages.dev/
Page Title
AtCoder Rating Estimator
Site FaviconStatus
Active
Host Information
Domain
atcoder-rating-estimator.pages.dev
Server
cloudflare
Country
United States
IP Address
172.66.45.7
ASN Information
13335
CLOUDFLARENET
Technologies
HSTS
Security
Cloudflare
CDN
HTTP/3
Miscellaneous
SSL Certificate
HTTPS Enabled
Secure
Certificate Issuer
49m449 Gateway Proxy BISO MITM CA
Valid From
2025-07-11 04:39:22
Valid Until
2025-08-10 04:39:52
Subject Name
atcoder-rating-estimator.pages.dev
Performance Statistics
13
Total Requests
1
Domains
1
IP Addresses
113.45 KB
Transfer Size
Content Size297.05 KB
HTTP Headers
alt-svc
h3=":443"; ma=86400
cf-ray
95e88b255e82531c-MRS
cf-team
28a535426b00011305beb8b400000001
content-encoding
br
content-type
text/html
date
Sun, 13 Jul 2025 11:47:05 GMT
link
<./_app/immutable/assets/0.vLQmiYgp.css>; rel="preload";as="style"; nopush, <./_app/immutable/entry/start.BqmMGOPO.js>; rel="modulepreload"; nopush, <./_app/immutable/chunks/entry.CcidbBdi.js>; rel="modulepreload"; nopush, <./_app/immutable/chunks/runtime.CX-Wmx6f.js>; rel="modulepreload"; nopush, <./_app/immutable/chunks/index-client.Cbc8Wjut.js>; rel="modulepreload"; nopush, <./_app/immutable/entry/app.B2OzAzus.js>; rel="modulepreload"; nopush, <./_app/immutable/chunks/render.CffmymbB.js>; rel="modulepreload"; nopush, <./_app/immutable/chunks/disclose-version.DbQK-NQA.js>; rel="modulepreload"; nopush, <./_app/immutable/chunks/this.C_UytB7U.js>; rel="modulepreload"; nopush, <./_app/immutable/nodes/0.D63D2l3f.js>; rel="modulepreload"; nopush, <./_app/immutable/nodes/2.uDf3-g7j.js>; rel="modulepreload"; nopush, <./_app/immutable/chunks/index.19uj7tEk.js>; rel="modulepreload"; nopush
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=6cQ44Id7xRKyAwIg1gorMnmUkApCvD03qROR5%2BmnqJVaNmpn5NwutEOUCctVkg3xQVqRW46c2Yk56az43IzRpHl6VPr%2BEe8wTe%2Ff1aD%2B1gt8ZKu3Hzkabtr3njLNIA5x31%2BlTPXs2jJosw0exbyDlv9o1Jyr9tOGlQBF5ai79fZi"}],"group":"cf-nel","max_age":604800}
server
cloudflare
server-timing
cfL4;desc="?proto=TCP&rtt=0&min_rtt=0&rtt_var=0&sent=0&recv=0&lost=0&retrans=0&sent_bytes=0&recv_bytes=0&delivery_rate=0&cwnd=0&unsent_bytes=0&cid=e6fd92b760cb635c&ts=112&x=0"
cfReqDur;dur=2753.479
vary
Accept-Encoding
x-sveltekit-page
true
13 headers detected
Technology Stack Analysis
HSTS
Security
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
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
Miscellaneous
HTTP/3 is the third major version of the Hypertext Transfer Protocol used to exchange information on the World Wide Web.
External Links 4
Untitled Link
github.com
Target URL
https://github.com/3w36zj6/atcoder-rating-estimator
AtCoder Rating System ver. 1.00
www.dropbox.com
Target URL
https://www.dropbox.com/s/ixci4amralioaif/rating.pdf
AHC Rating System
www.dropbox.com
Target URL
https://www.dropbox.com/s/ne358pdixfafppm/AHC_rating.pdf
AHC Rating System (ver.2)
img.atcoder.jp
Target URL
https://img.atcoder.jp/file/AHC_rating_v2.pdf
Requested Domains 1
atcoder-rating-estimator.pages.dev
Apex domain
No category information available