URL: http://lilianweng.github.io/
Submission: On April 27 via api from GB — Scanned from GB

Summary

This website contacted 4 IPs in 2 countries across 4 domains to perform 11 HTTP transactions. The main IP is 2606:50c0:8001::153, located in United States and belongs to FASTLY, US. The main domain is lilianweng.github.io.
This is the only time lilianweng.github.io was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
2 2606:50c0:800... 54113 (FASTLY)
1 2a04:4e42:200... 54113 (FASTLY)
6 2606:4700::68... 13335 (CLOUDFLAR...)
2 2a00:1450:400... 15169 (GOOGLE)
11 4
Apex Domain
Subdomains
Transfer
6 jsdelivr.net
cdn.jsdelivr.net — Cisco Umbrella Rank: 437
265 KB
2 google-analytics.com
www.google-analytics.com — Cisco Umbrella Rank: 35
20 KB
2 github.io
lilianweng.github.io
12 KB
1 polyfill.io
polyfill.io — Cisco Umbrella Rank: 1301
417 B
11 4
Domain Requested by
6 cdn.jsdelivr.net lilianweng.github.io
2 www.google-analytics.com lilianweng.github.io
www.google-analytics.com
2 lilianweng.github.io lilianweng.github.io
1 polyfill.io lilianweng.github.io
11 4
Subject Issuer Validity Valid
polyfill.io
GlobalSign Atlas R3 DV TLS CA 2022 Q1
2022-03-08 -
2023-04-09
a year crt.sh
sni.cloudflaressl.com
Cloudflare Inc ECC CA-3
2021-07-03 -
2022-07-02
a year crt.sh
*.google-analytics.com
GTS CA 1C3
2022-04-11 -
2022-07-04
3 months crt.sh

This page contains 1 frames:

Primary Page: http://lilianweng.github.io/
Frame ID: EE5C7456B43BB8E082F5DBE4961D2772
Requests: 11 HTTP requests in this frame

Screenshot

Page Title

Lil'Log

Detected technologies

Overall confidence: 100%
Detected patterns
  • ^https?://[^/]+\.github\.io

Overall confidence: 100%
Detected patterns
  • google-analytics\.com/(?:ga|urchin|analytics)\.js

Overall confidence: 100%
Detected patterns
  • /polyfill\.min\.js

Overall confidence: 100%
Detected patterns
  • //cdn\.jsdelivr\.net/

Page Statistics

11
Requests

82 %
HTTPS

100 %
IPv6

4
Domains

4
Subdomains

4
IPs

2
Countries

297 kB
Transfer

970 kB
Size

3
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

11 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
lilianweng.github.io/
20 KB
7 KB
Document
General
Full URL
http://lilianweng.github.io/
Protocol
HTTP/1.1
Server
2606:50c0:8001::153 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
GitHub.com /
Resource Hash
9f81f948a2613632448a80daae8b22d1e971281d10bf0cc1a592a85cee4f3fa4

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.127 Safari/537.36
accept-language
en-GB,en;q=0.9

Response headers

Accept-Ranges
bytes
Access-Control-Allow-Origin
*
Age
0
Cache-Control
max-age=600
Connection
keep-alive
Content-Encoding
gzip
Content-Length
6361
Content-Type
text/html; charset=utf-8
Date
Wed, 27 Apr 2022 08:59:20 GMT
ETag
W/"625fb059-4f08"
Last-Modified
Wed, 20 Apr 2022 07:03:53 GMT
Server
GitHub.com
Vary
Accept-Encoding
Via
1.1 varnish
X-Cache
MISS
X-Cache-Hits
0
X-Fastly-Request-ID
0ae58870ce76a6fa372d53b774311d431d64f5f8
X-GitHub-Request-Id
5CE2:4853:13028A:2018C6:626905E8
X-Served-By
cache-lcy19270-LCY
X-Timer
S1651049960.494147,VS0,VE82
expires
Wed, 27 Apr 2022 09:09:20 GMT
permissions-policy
interest-cohort=()
x-proxy-cache
MISS
stylesheet.min.949307ebc5cfbfc5e27c5ec3d332ce0be9137ec4137e02aefc52cf0267172e22.css
lilianweng.github.io/assets/css/
15 KB
5 KB
Stylesheet
General
Full URL
http://lilianweng.github.io/assets/css/stylesheet.min.949307ebc5cfbfc5e27c5ec3d332ce0be9137ec4137e02aefc52cf0267172e22.css
Requested by
Host: lilianweng.github.io
URL: http://lilianweng.github.io/
Protocol
HTTP/1.1
Server
2606:50c0:8001::153 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
GitHub.com /
Resource Hash
949307ebc5cfbfc5e27c5ec3d332ce0be9137ec4137e02aefc52cf0267172e22

Request headers

Referer
http://lilianweng.github.io/
Origin
http://lilianweng.github.io
accept-language
en-GB,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.127 Safari/537.36

Response headers

X-Fastly-Request-ID
2f81bc80e7560ca4038da5eaa65c9680e9583ccc
Date
Wed, 27 Apr 2022 08:59:20 GMT
Content-Encoding
gzip
Age
0
X-Cache
MISS
Connection
keep-alive
Content-Length
4142
X-Served-By
cache-lcy19270-LCY
Access-Control-Allow-Origin
*
Last-Modified
Wed, 20 Apr 2022 07:03:53 GMT
Server
GitHub.com
X-GitHub-Request-Id
5CE2:4853:13028F:2018CB:626905E8
X-Timer
S1651049961.619412,VS0,VE81
ETag
W/"625fb059-3ba1"
Vary
Accept-Encoding
Content-Type
text/css; charset=utf-8
Via
1.1 varnish
expires
Wed, 27 Apr 2022 09:09:20 GMT
Cache-Control
max-age=600
permissions-policy
interest-cohort=()
Accept-Ranges
bytes
x-proxy-cache
MISS
X-Cache-Hits
0
polyfill.min.js
polyfill.io/v3/
101 B
417 B
Script
General
Full URL
https://polyfill.io/v3/polyfill.min.js?features=es6
Requested by
Host: lilianweng.github.io
URL: http://lilianweng.github.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:4e42:200::282 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
d7f817255acac24d24766a420471f23c0796b5228b84f8432bf70570ed870b72

Request headers

accept-language
en-GB,en;q=0.9
Referer
http://lilianweng.github.io/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.127 Safari/537.36

Response headers

date
Wed, 27 Apr 2022 08:59:20 GMT
content-encoding
br
last-modified
Mon, 04 Apr 2022 12:06:08 GMT
age
0
vary
User-Agent, Accept-Encoding
access-control-allow-methods
GET,HEAD,OPTIONS
content-type
text/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, s-maxage=31536000, max-age=604800, stale-while-revalidate=604800, stale-if-error=604800
useragent_normaliser
chrome/100.0.0
server-timing
cache-lcy19278, PASS, fastly;desc="Edge time";dur=14
accept-ranges
bytes
content-length
94
tex-mml-chtml.js
cdn.jsdelivr.net/npm/mathjax@3/es5/
790 KB
164 KB
Script
General
Full URL
https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js
Requested by
Host: lilianweng.github.io
URL: http://lilianweng.github.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:5714 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
afede2b4e32d1868daa74c7ed7486eea35bf8190b3c47b282ab39dee0c914866
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
en-GB,en;q=0.9
Referer
http://lilianweng.github.io/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.127 Safari/537.36

Response headers

date
Wed, 27 Apr 2022 08:59:20 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
age
38798
x-jsd-version
3.2.0
x-cache
HIT, HIT
cross-origin-resource-policy
cross-origin
strict-transport-security
max-age=31536000; includeSubDomains; preload
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
x-served-by
cache-fra19121-FRA, cache-lcy19222-LCY
timing-allow-origin
*
x-jsd-version-type
version
server
cloudflare
etag
W/"c574f-kndDlBbZP11Yh1KTCW8vTtVnU98"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=LCQ%2FwLZuNcC6LjsIBsAkgkjGZXLQlosJ2q6hMnjzGHnfBz25CFOqkhDXCZlwL4IES5947nCLQKilO%2FhKG259Sw5o9GxyGDqr8Ubs16fLN2BweRga4dmUWI7IJ%2BJ%2FezPXxt456eRtdf55MbrQ%2FFk%3D"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=604800, s-maxage=43200
cf-ray
70265c8ef84c88a9-LHR
analytics.js
www.google-analytics.com/
49 KB
20 KB
Script
General
Full URL
https://www.google-analytics.com/analytics.js
Requested by
Host: lilianweng.github.io
URL: http://lilianweng.github.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:828::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
a1925038db769477ab74b4df34350c35688a795bb718727b0f4292a4a78a6210
Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
en-GB,en;q=0.9
Referer
http://lilianweng.github.io/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.127 Safari/537.36

Response headers

strict-transport-security
max-age=10886400; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Wed, 13 Apr 2022 21:02:38 GMT
server
Golfe2
age
2529
date
Wed, 27 Apr 2022 08:17:11 GMT
vary
Accept-Encoding
content-type
text/javascript
cache-control
public, max-age=7200
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
20006
expires
Wed, 27 Apr 2022 10:17:11 GMT
collect
www.google-analytics.com/j/
2 B
210 B
XHR
General
Full URL
https://www.google-analytics.com/j/collect?v=1&_v=j96&a=2095824474&t=pageview&_s=1&dl=http%3A%2F%2Flilianweng.github.io%2F&ul=en-us&de=UTF-8&dt=Lil%27Log&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&_u=IEBAAEABAAAAAC~&jid=1113424551&gjid=1096331775&cid=955946156.1651049961&tid=UA-8161570-5&_gid=1770343962.1651049961&_r=1&_slc=1&z=1988679818
Requested by
Host: www.google-analytics.com
URL: https://www.google-analytics.com/analytics.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:828::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
a048e640908046be06e00eab37742b5d5ff80964af58cfd22f7cb2de4dfe375f
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
http://lilianweng.github.io/
accept-language
en-GB,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.127 Safari/537.36
Content-Type
text/plain

Response headers

pragma
no-cache
date
Wed, 27 Apr 2022 08:59:20 GMT
x-content-type-options
nosniff
last-modified
Sun, 17 May 1998 03:00:00 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
http://lilianweng.github.io
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
2
expires
Fri, 01 Jan 1990 00:00:00 GMT
MathJax_Zero.woff
cdn.jsdelivr.net/npm/mathjax@3/es5/output/chtml/fonts/woff-v2/
1 KB
2 KB
Font
General
Full URL
https://cdn.jsdelivr.net/npm/mathjax@3/es5/output/chtml/fonts/woff-v2/MathJax_Zero.woff
Requested by
Host: lilianweng.github.io
URL: http://lilianweng.github.io/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6810:5714 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
481e39042508ae313a60618af1e37146ab93e9324c98e4c78b8f17fe55d41e0b
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
http://lilianweng.github.io/
Origin
http://lilianweng.github.io
accept-language
en-GB,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.127 Safari/537.36

Response headers

date
Wed, 27 Apr 2022 08:59:21 GMT
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
age
24590
x-jsd-version
3.2.0
x-cache
HIT, HIT
cross-origin-resource-policy
cross-origin
strict-transport-security
max-age=31536000; includeSubDomains; preload
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
1368
x-served-by
cache-fra19134-FRA, cache-lcy19233-LCY
timing-allow-origin
*
x-jsd-version-type
version
server
cloudflare
etag
W/"558-ZxLPCqXBLtwcu8qKFzKpzeCFTEg"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=M47ZNnixEA2Swrn6x6BCzn0aG%2BwANwD7SJ6MFE5bKoCkMChDgs%2F4xPXyKSOlEEsHNv1srJaBycWyPFzB%2F5ww2c3frsF1kYaIDjEVoCp321dz4fPTPEh%2BtU6kjmhXGi3pB09DPe2Mz7M6e81bDKs%3D"}],"group":"cf-nel","max_age":604800}
content-type
font/woff
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=604800, s-maxage=43200
accept-ranges
bytes
cf-ray
70265c906c377478-LHR
MathJax_Math-Italic.woff
cdn.jsdelivr.net/npm/mathjax@3/es5/output/chtml/fonts/woff-v2/
19 KB
20 KB
Font
General
Full URL
https://cdn.jsdelivr.net/npm/mathjax@3/es5/output/chtml/fonts/woff-v2/MathJax_Math-Italic.woff
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6810:5714 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
a009bea404f7a500ded48f8b9ad9cf16e12504b3195dd9e25975289b8256b0f0
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
http://lilianweng.github.io/
Origin
http://lilianweng.github.io
accept-language
en-GB,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.127 Safari/537.36

Response headers

date
Wed, 27 Apr 2022 08:59:21 GMT
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
fastly-original-body-size
19360
age
17465
x-jsd-version
3.2.0
x-cache
HIT, HIT
cross-origin-resource-policy
cross-origin
strict-transport-security
max-age=31536000; includeSubDomains; preload
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
19360
x-served-by
cache-fra19170-FRA, cache-lcy19232-LCY
timing-allow-origin
*
x-jsd-version-type
version
server
cloudflare
etag
W/"4ba0-kaQCXdOxjKa9pjohWGl3NwVDUEE"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=BjOKmadN9Dr%2F1J5K7HTGryvKRflsSk2ciNqMkf6WjZCsruSZdeHN9%2B82CT2LrTNOCAS9anVZ1IpU0rWFhvZgkTJ5xg0z3qj%2BkgxiLrLjVl6pnGNmcClcSyVt4T0EjIB9PUtvKakKSdcFOdIWVRI%3D"}],"group":"cf-nel","max_age":604800}
content-type
font/woff
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=604800, s-maxage=43200
accept-ranges
bytes
cf-ray
70265c90ac897478-LHR
MathJax_Main-Regular.woff
cdn.jsdelivr.net/npm/mathjax@3/es5/output/chtml/fonts/woff-v2/
33 KB
34 KB
Font
General
Full URL
https://cdn.jsdelivr.net/npm/mathjax@3/es5/output/chtml/fonts/woff-v2/MathJax_Main-Regular.woff
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6810:5714 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
1cb1c39ea642f26a4dfed230b4aea1c3c218689421f6e9c0a7c1811693c4fa07
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
http://lilianweng.github.io/
Origin
http://lilianweng.github.io
accept-language
en-GB,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.127 Safari/537.36

Response headers

date
Wed, 27 Apr 2022 08:59:21 GMT
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
age
19058
x-jsd-version
3.2.0
x-cache
HIT, HIT
cross-origin-resource-policy
cross-origin
strict-transport-security
max-age=31536000; includeSubDomains; preload
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
34160
x-served-by
cache-fra19148-FRA, cache-lcy19270-LCY
timing-allow-origin
*
x-jsd-version-type
version
server
cloudflare
etag
W/"8570-idLI0nRpPFpuJQ6W4qLibiVhkHk"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=ziqFZbgf9MKw8%2F10sagnSGcu1XWj6hGO06G2nv5h4wBWXy6D16%2BbOMg0Fan1rOqQmGlxzldvNyl%2B8H5wKveSYRxPMD66q3L2frc5fiomU%2By3YowHUZuVyDbk9kvkxmkh82EtyfEvgJruQiMxTNU%3D"}],"group":"cf-nel","max_age":604800}
content-type
font/woff
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=604800, s-maxage=43200
accept-ranges
bytes
cf-ray
70265c90ac8a7478-LHR
MathJax_Main-Bold.woff
cdn.jsdelivr.net/npm/mathjax@3/es5/output/chtml/fonts/woff-v2/
34 KB
34 KB
Font
General
Full URL
https://cdn.jsdelivr.net/npm/mathjax@3/es5/output/chtml/fonts/woff-v2/MathJax_Main-Bold.woff
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6810:5714 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
88b98cad3688915e50da55553ff6ad185e0dce134b47f176e91b100f8a9b175c
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
http://lilianweng.github.io/
Origin
http://lilianweng.github.io
accept-language
en-GB,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.127 Safari/537.36

Response headers

date
Wed, 27 Apr 2022 08:59:21 GMT
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
age
14805
x-jsd-version
3.2.0
x-cache
HIT, HIT
cross-origin-resource-policy
cross-origin
strict-transport-security
max-age=31536000; includeSubDomains; preload
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
34464
x-served-by
cache-fra19143-FRA, cache-lcy19238-LCY
timing-allow-origin
*
x-jsd-version-type
version
server
cloudflare
etag
W/"86a0-GzndJwh87EbrNrSwy5Z8eit1SK4"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=9wE2X2DV4WY%2B%2F7uiqGyeessa3KdRHyr4KuQF5hROXVOTAYsSkrVFqQ%2BLlhO7kzvNSDJjEJhuNt%2Fa463dlQG4%2B0Ei0QNLDNVz7DNfObDQQHPga2OtO5tyGIi%2BbNUVYAkw%2B7NL0dEyQdd0JUNAlPg%3D"}],"group":"cf-nel","max_age":604800}
content-type
font/woff
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=604800, s-maxage=43200
accept-ranges
bytes
cf-ray
70265c90ac8b7478-LHR
MathJax_Calligraphic-Regular.woff
cdn.jsdelivr.net/npm/mathjax@3/es5/output/chtml/fonts/woff-v2/
9 KB
10 KB
Font
General
Full URL
https://cdn.jsdelivr.net/npm/mathjax@3/es5/output/chtml/fonts/woff-v2/MathJax_Calligraphic-Regular.woff
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6810:5714 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
26683bf201fb258a2237d9754616de9d4ecf4cc1cd39dd1902476df7d75f1d16
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
http://lilianweng.github.io/
Origin
http://lilianweng.github.io
accept-language
en-GB,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.127 Safari/537.36

Response headers

date
Wed, 27 Apr 2022 08:59:21 GMT
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
fastly-original-body-size
9600
age
8800
x-jsd-version
3.2.0
x-cache
HIT, HIT
cross-origin-resource-policy
cross-origin
strict-transport-security
max-age=31536000; includeSubDomains; preload
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
9600
x-served-by
cache-fra19177-FRA, cache-lcy19232-LCY
timing-allow-origin
*
x-jsd-version-type
version
server
cloudflare
etag
W/"2580-aav4UTQuoOqIzXpIo4VajahRRM4"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=zb2%2F%2FdFLJFLetPly7g1bVQxgk%2Bd6luKCRmQI%2BpW%2FPpFLR6s5ifpNsOCsu7k4Smbe%2FKi%2FCzU2UF9VuaKLJVMNpCb98EG9Yg2mvClKPMg3hIQf4cU%2FvkuTc9LCvMsJp5iwBKTMyH4rmYSHuQ%2B8WyM%3D"}],"group":"cf-nel","max_age":604800}
content-type
font/woff
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=604800, s-maxage=43200
accept-ranges
bytes
cf-ray
70265c90ac8d7478-LHR

Verdicts & Comments Add Verdict or Comment

12 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

function| structuredClone object| oncontextlost object| oncontextrestored boolean| doNotTrack string| GoogleAnalyticsObject function| ga object| MathJax object| mybutton object| google_tag_data object| gaplugins object| gaGlobal object| gaData

3 Cookies

Domain/Path Name / Value
.lilianweng.github.io/ Name: _ga
Value: GA1.3.955946156.1651049961
.lilianweng.github.io/ Name: _gid
Value: GA1.3.1770343962.1651049961
.lilianweng.github.io/ Name: _gat
Value: 1

1 Console Messages

Source Level URL
Text
security warning
Message:
Error with Permissions-Policy header: Unrecognized feature: 'interest-cohort'.