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polyfill.io Open in urlscan Pro
104.21.18.249  Public Scan

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Submitted URL: http://polyfill.io/
Effective URL: https://polyfill.io/
Submission: On June 26 via manual from IL — Scanned from IL
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 2 IPs in 1 countries across 1 domains to perform 6 HTTP transactions. The main IP is 104.21.18.249, located in and belongs to CLOUDFLARENET, US. The main domain is polyfill.io. The Cisco Umbrella rank of the primary domain is 1692.
TLS certificate: Issued by Sectigo RSA Domain Validation Secure ... on February 20th 2024. Valid for: a year.
This is the only time polyfill.io was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
6 104.21.18.249 13335 (CLOUDFLAR...)
6 2
Apex Domain
Subdomains		 Transfer
6 polyfill.io
polyfill.io — Cisco Umbrella Rank: 1692
90 KB
6 1
Domain Requested by
6 polyfill.io polyfill.io
6 1

This site contains links to these domains. Also see Links.

Domain
www.polyfill.com
github.com
Subject Issuer Validity Valid
*.polyfill.io
Sectigo RSA Domain Validation Secure Server CA		 2024-02-20 -
2025-02-19		 a year crt.sh

This page contains 1 frames:

Primary Page: https://polyfill.io/
Frame ID: B0026512994B62C1EEFFA699E7F51960
Requests: 7 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Polyfill.io

Page URL History Show full URLs

  1. http://polyfill.io/ HTTP 307
    https://polyfill.io/ Page URL

Page Statistics

6
Requests

100 %
HTTPS

0 %
IPv6

1
Domains

1
Subdomains

2
IPs

1
Countries

90 kB
Transfer

328 kB
Size

2
Cookies

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

  1. http://polyfill.io/ HTTP 307
    https://polyfill.io/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

6 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
polyfill.io/
Redirect Chain
  • http://polyfill.io/
  • https://polyfill.io/
203 KB
30 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://polyfill.io/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.21.18.249 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
9791ba7639df811d579b96a2ec21796ee70150fea17abae646001885780afbc0

Request headers

Accept-Language
he-IL,he;q=0.9;q=0.9
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

access-control-allow-origin
*
age
3072
alt-svc
h3=":443"; ma=86400
cache-control
max-age=3600
cf-cache-status
HIT
cf-ray
899c38cfdeb88ed4-FRA
content-encoding
br
content-type
text/html; charset=utf-8
date
Wed, 26 Jun 2024 09:38:00 GMT
last-modified
Wed, 26 Jun 2024 08:46:48 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=vwYFjhS0e2NPSEkuIrSv0Fl6lJ9edOpvxBRKOlzOAkIR%2ByiaoTeAqqGsCzCR108aJbXb6lclr5Q4Q3VLaCC7nHnCCkcie8Wv0moYJylkyOVPlOTyo3dQ0R14O0JTnA%3D%3D"}],"group":"cf-nel","max_age":604800}
server
cloudflare
vary
Accept-Encoding

Redirect headers

Location
https://polyfill.io/
Non-Authoritative-Reason
HttpsUpgrades
lang-index.js
polyfill.io/ 		122 KB
55 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://polyfill.io/lang-index.js
Requested by
Host: polyfill.io
URL: https://polyfill.io/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.21.18.249 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
f616718a92755da53422a911f0cfdd0ed02abe0c824faa75df2ca6afe91b1727

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://polyfill.io/
Accept-Language
he-IL,he;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 26 Jun 2024 09:38:00 GMT
content-encoding
gzip
cf-cache-status
HIT
last-modified
Wed, 26 Jun 2024 08:46:57 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
age
3063
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=pBgOmEx3I2QQBMy3irWuncNC9z9SfotQpOH3HWBPTpsbGs8OihzizCrDxZUsPnr0M5qD9uISn%2FZDBdJaZP0IhUSGT6LPRyUNz9SGA%2FpboX8UeBwgXPoERbVN9VYDUQ%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
max-age=86400, stale-while-revalidate=86400, stale-if-error=86400
cf-ray
899c38d169378ed4-FRA
alt-svc
h3=":443"; ma=86400
analytics.js
polyfill.io/v3/ 		0
621 B 		Script
General
Check archive.org
Download Go to
Full URL
https://polyfill.io/v3/analytics.js
Requested by
Host: polyfill.io
URL: https://polyfill.io/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.21.18.249 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://polyfill.io/
Accept-Language
he-IL,he;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 26 Jun 2024 09:38:00 GMT
content-encoding
br
cf-cache-status
DYNAMIC
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
vary
Accept-Encoding, User-Agent
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=FR3nbF4jpJC3tABIIjemeuLgeP85ML%2Fp%2Brac3DwAnVtaXwQeBUJBIrSq375mOrCJCywMKN4ulj2EMZyVHj%2BdVjB2U1zazDoTe4pSsPpJiUxyXJzx6kMHxsMZBdJSBQ%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
text/html; charset=utf-8
cf-ray
899c38d1693a8ed4-FRA
alt-svc
h3=":443"; ma=86400
menu_icon_open.svg
polyfill.io/img/ 		345 B
650 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://polyfill.io/img/menu_icon_open.svg
Requested by
Host: polyfill.io
URL: https://polyfill.io/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.21.18.249 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
661da9f494c131872ab782cf5064fc2814595193a5a13d7dd0ac8d1fcf40e151

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://polyfill.io/
Accept-Language
he-IL,he;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 26 Jun 2024 09:38:00 GMT
content-encoding
gzip
cf-cache-status
HIT
last-modified
Wed, 26 Jun 2024 08:50:43 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
age
2837
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=17ASE39MIRRQA7GDQj1dZXMOi8nGkx6WkVUlY%2B165XjmUasiC2%2BmUa11NZLV5a707J5ihTUbSsgoIT9Azb5QUo3v31BC5dx3v0jznED73PT%2BfSDHrS%2BgmITPr%2F6c0g%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/svg+xml; charset=utf-8
access-control-allow-origin
*
cache-control
max-age=3600
cf-ray
899c38d3ac8e8ed4-FRA
alt-svc
h3=":443"; ma=86400
js_cache_icon.svg
polyfill.io/img/ 		3 KB
2 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://polyfill.io/img/js_cache_icon.svg
Requested by
Host: polyfill.io
URL: https://polyfill.io/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.21.18.249 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
dfdd87e247bd33f200d5a7bb6fb0328ab96562991950341ee9979c7d3c0b7ddb

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://polyfill.io/
Accept-Language
he-IL,he;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 26 Jun 2024 09:38:01 GMT
content-encoding
gzip
cf-cache-status
HIT
last-modified
Wed, 26 Jun 2024 08:50:43 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
age
2838
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=635yvrJyraHDMXRBBoRImnHF8wezb%2FVn0wd99xWoP83zBmhtpRSldNwHprAhyO11g4OZB03G4jjnfxwNJoJ8rNe6rvRGj041%2BHZUj0J9p0pFl9MjicQsG6QgBBs51g%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/svg+xml; charset=utf-8
access-control-allow-origin
*
cache-control
max-age=3600
cf-ray
899c38d46dbb8ed4-FRA
alt-svc
h3=":443"; ma=86400
truncated
/ 		235 B
0 		Image
General
Check archive.org
Download Go to Show image
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
6a9b609b3f6d4d222d6969449b984920b40e25ebd30d3e2a995af70a4850c1f4

Request headers

Accept-Language
he-IL,he;q=0.9;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

Content-Type
image/svg+xml
logo.svg
polyfill.io/img/ 		282 B
670 B 		Other
General
Check archive.org
Download Go to
Full URL
https://polyfill.io/img/logo.svg
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.21.18.249 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
a7c0f220f7bf804c8784a102c1bdc73f125f22c6057b18a0922b3d3a390489b9

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://polyfill.io/
Accept-Language
he-IL,he;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 26 Jun 2024 09:38:01 GMT
content-encoding
gzip
cf-cache-status
HIT
last-modified
Wed, 26 Jun 2024 08:50:43 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
age
2838
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=vun73tO9pi9NfLe%2FnzZtaAl0iKoApe%2FWFKdkXJxWl9JE6tn7qfUnp90ypDTZwMG2aRp3JL8mLI8z%2BqmeIX795lwN1WmWfCzxrKSBiTOyLQhXBdrwFyNHLaqFnXZgdw%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/svg+xml; charset=utf-8
access-control-allow-origin
*
cache-control
max-age=3600
cf-ray
899c38d55f3a8ed4-FRA
alt-svc
h3=":443"; ma=86400

Verdicts & Comments Add Verdict or Comment

21 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.

undefined| event object| fence object| sharedStorage object| langauagelist object| trans string| language function| selectLanguage string| bundleUrl string| bundleScriptUrl object| langContainer object| langMenu object| menuContainer object| mainMenu object| searchBar string| langlisthtml object| langbtnArrow function| copyTextToClipboard function| featureNodes function| resetFeaturesList function| filterFeatures function| updateCallback

2 Cookies

Domain/Path Name / Value
polyfill.io/ Name: session
Value: eyJjb29raWVwb2x5ZmlsbFNpdGUiOnsidXNlcl9jb29raWVfaXAiOiIzMS4xODcuNzguMTk1IiwiZXhwaXJ5VGltZSI6MTczNDk0NjY4MDgwNn19
polyfill.io/ Name: session.sig
Value: Y8-fFp9KVg3BTT2ybiI9pib4oKY