Submitted URL: https://polyfill.io/
Effective URL: https://polyfill.io/v3/
Submission: On May 08 via api from CH

Summary

This website contacted 3 IPs in 2 countries across 2 domains to perform 12 HTTP transactions. The main IP is 2a04:4e42:600::621, located in United States and belongs to FASTLY, US. The main domain is polyfill.io.
TLS certificate: Issued by GlobalSign CloudSSL CA - SHA256 - G3 on May 3rd 2021. 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
1 7 2a04:4e42:600... 54113 (FASTLY)
5 151.101.114.109 54113 (FASTLY)
1 2a04:4e42:1b:... 54113 (FASTLY)
12 3
Apex Domain
Subdomains
Transfer
8 polyfill.io
polyfill.io
cdn.polyfill.io
214 KB
5 ft.com
www.ft.com
160 KB
12 2
Domain Requested by
7 polyfill.io 1 redirects polyfill.io
5 www.ft.com polyfill.io
1 cdn.polyfill.io polyfill.io
12 3

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

Domain
github.com
Subject Issuer Validity Valid
f3.shared.global.fastly.net
GlobalSign CloudSSL CA - SHA256 - G3
2021-05-03 -
2022-03-26
a year crt.sh

This page contains 1 frames:

Primary Page: https://polyfill.io/v3/
Frame ID: B5FFB1CE5AD37A7AB683B3055FB5EE69
Requests: 12 HTTP requests in this frame

Screenshot


Page URL History Show full URLs

  1. https://polyfill.io/ HTTP 301
    https://polyfill.io/v3/ Page URL

Page Statistics

12
Requests

100 %
HTTPS

67 %
IPv6

2
Domains

3
Subdomains

3
IPs

2
Countries

374 kB
Transfer

546 kB
Size

0
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. https://polyfill.io/ HTTP 301
    https://polyfill.io/v3/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

12 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
polyfill.io/v3/
Redirect Chain
  • https://polyfill.io/
  • https://polyfill.io/v3/
11 KB
3 KB
Document
General
Full URL
https://polyfill.io/v3/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a04:4e42:600::621 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
90a52909d9f72637e587c7642565c1e5d86b38c1869c486cbf905362629817e4
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubdomains; preload
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

:method
GET
:authority
polyfill.io
:scheme
https
:path
/v3/
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
sec-fetch-site
none
sec-fetch-mode
navigate
sec-fetch-user
?1
sec-fetch-dest
document
accept-encoding
gzip, deflate, br
accept-language
en-US
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

cache-control
public, s-maxage=31536000, max-age=604800, stale-while-revalidate=604800, stale-if-error=604800
last-modified
Mon, 22 Mar 2021 13:35:25 GMT
etag
W/"2cd9-1785a25b948"
content-type
text/html; charset=UTF-8
x-ua-compatible
ie=edge
link
<https://www.ft.com/__origami/service/build/v2/files/o-fonts-assets@1.3.2/MetricWeb-Semibold.woff>; rel=preload; as=font; crossorigin=anonymous <https://www.ft.com/__origami/service/build/v2/files/o-fonts-assets@1.3.2/MetricWeb-Regular.woff>; rel=preload; as=font; crossorigin=anonymous
content-encoding
gzip
server-timing
HIT-CLUSTER, fastly;desc="Edge time";dur=1 HIT-CLUSTER, fastly;desc="Edge time";dur=1
x-xss-protection
1; mode=block
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; includeSubdomains; preload
referrer-policy
origin-when-cross-origin
timing-allow-origin
*
accept-ranges
bytes
date
Sat, 08 May 2021 18:15:24 GMT
age
1440052
vary
Accept-Encoding
content-length
2547

Redirect headers

retry-after
0
location
/v3/
accept-ranges
bytes
date
Sat, 08 May 2021 18:15:24 GMT
server-timing
HIT-SYNTH, fastly;desc="Edge time";dur=0
content-length
0
MetricWeb-Semibold.woff
www.ft.com/__origami/service/build/v2/files/o-fonts-assets@1.3.2/
50 KB
51 KB
Font
General
Full URL
https://www.ft.com/__origami/service/build/v2/files/o-fonts-assets@1.3.2/MetricWeb-Semibold.woff
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
151.101.114.109 Frankfurt am Main, Germany, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
8aaace27bb0d6f4f3d61d12596fed0038a6ca18250e98f71bde9be4eadcf5ab5
Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubDomains; preload

Request headers

Origin
https://polyfill.io
Referer
https://polyfill.io/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Sat, 08 May 2021 18:15:24 GMT
vary
FT-Site, Accept-Encoding,Origin
last-modified
Sat, 08 May 2021 14:33:29 GMT
age
13315
accept-ranges
bytes
strict-transport-security
max-age=63072000; includeSubDomains; preload
content-type
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access-control-allow-origin
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cache-control
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server-timing
total; dur=1970.346259; desc="Total Response Time"
ft-suppress-friendly-error
true
content-length
51558
MetricWeb-Regular.woff
www.ft.com/__origami/service/build/v2/files/o-fonts-assets@1.3.2/
49 KB
49 KB
Font
General
Full URL
https://www.ft.com/__origami/service/build/v2/files/o-fonts-assets@1.3.2/MetricWeb-Regular.woff
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
151.101.114.109 Frankfurt am Main, Germany, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubDomains; preload

Request headers

Origin
https://polyfill.io
Referer
https://polyfill.io/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Sat, 08 May 2021 18:15:24 GMT
vary
FT-Site, Accept-Encoding,Origin
last-modified
Fri, 07 May 2021 16:07:57 GMT
age
33108
accept-ranges
bytes
strict-transport-security
max-age=63072000; includeSubDomains; preload
content-type
font/woff
access-control-allow-origin
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cache-control
public, max-age=2591998, stale-while-revalidate=3196798, stale-if-error=3196798, s-maxage=43200
server-timing
total; dur=2257.886333; desc="Total Response Time"
ft-suppress-friendly-error
true
content-length
50290
index.css
polyfill.io/css/
98 KB
13 KB
Stylesheet
General
Full URL
https://polyfill.io/css/index.css
Requested by
Host: polyfill.io
URL: https://polyfill.io/v3/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a04:4e42:600::621 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubdomains; preload
X-Content-Type-Options nosniff

Request headers

:path
/css/index.css
pragma
no-cache
accept-encoding
gzip, deflate, br
accept-language
en-US
user-agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
sec-fetch-mode
no-cors
accept
text/css,*/*;q=0.1
cache-control
no-cache
sec-fetch-dest
style
:authority
polyfill.io
referer
https://polyfill.io/v3/
:scheme
https
sec-fetch-site
same-origin
:method
GET
Referer
https://polyfill.io/v3/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubdomains; preload
content-encoding
gzip
referrer-policy
origin-when-cross-origin
last-modified
Mon, 22 Mar 2021 13:35:32 GMT
age
395441
etag
W/"189db-1785a25d4a0"
vary
Accept-Encoding
content-type
text/css; charset=UTF-8
cache-control
public, s-maxage=31536000, max-age=604800, stale-while-revalidate=604800, stale-if-error=604800
date
Sat, 08 May 2021 18:15:24 GMT
server-timing
HIT-CLUSTER, fastly;desc="Edge time";dur=1 HIT-CLUSTER, fastly;desc="Edge time";dur=1
accept-ranges
bytes
timing-allow-origin
*
content-length
12739
x-content-type-options
nosniff
polyfill.min.js
cdn.polyfill.io/v3/
16 KB
4 KB
Script
General
Full URL
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Requested by
Host: polyfill.io
URL: https://polyfill.io/v3/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a04:4e42:1b::621 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubdomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://polyfill.io/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubdomains; preload
content-encoding
br
x-content-type-options
nosniff
content-type
text/javascript; charset=utf-8
age
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detected-user-agent
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server-timing
HIT-CLUSTER, fastly;desc="Edge time";dur=1, HIT-CLUSTER, fastly;desc="Edge time";dur=1
content-length
3788
referrer-policy
origin-when-cross-origin
last-modified
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date
Sat, 08 May 2021 18:15:24 GMT
vary
User-Agent, Accept-Encoding
access-control-allow-methods
GET,HEAD,OPTIONS
normalized-user-agent
chrome/89.0.0
access-control-allow-origin
*
cache-control
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accept-ranges
bytes
timing-allow-origin
*
index.min.js
polyfill.io/js/
46 KB
13 KB
Script
General
Full URL
https://polyfill.io/js/index.min.js
Requested by
Host: polyfill.io
URL: https://polyfill.io/v3/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a04:4e42:600::621 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubdomains; preload
X-Content-Type-Options nosniff

Request headers

:path
/js/index.min.js
pragma
no-cache
accept-encoding
gzip, deflate, br
accept-language
en-US
user-agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
sec-fetch-mode
no-cors
accept
*/*
cache-control
no-cache
sec-fetch-dest
script
:authority
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referer
https://polyfill.io/v3/
:scheme
https
sec-fetch-site
same-origin
:method
GET
Referer
https://polyfill.io/v3/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubdomains; preload
content-encoding
gzip
referrer-policy
origin-when-cross-origin
last-modified
Mon, 22 Mar 2021 13:35:32 GMT
age
2156080
etag
W/"b933-1785a25d4a0"
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
cache-control
public, s-maxage=31536000, max-age=604800, stale-while-revalidate=604800, stale-if-error=604800
date
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server-timing
HIT-CLUSTER, fastly;desc="Edge time";dur=1 HIT-CLUSTER, fastly;desc="Edge time";dur=1
accept-ranges
bytes
timing-allow-origin
*
content-length
12727
x-content-type-options
nosniff
logo.svg
polyfill.io/img/
283 B
379 B
Image
General
Full URL
https://polyfill.io/img/logo.svg
Requested by
Host: polyfill.io
URL: https://polyfill.io/css/index.css
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a04:4e42:600::621 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
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Security Headers
Name Value
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X-Content-Type-Options nosniff

Request headers

:path
/img/logo.svg
pragma
no-cache
accept-encoding
gzip, deflate, br
accept-language
en-US
user-agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
sec-fetch-mode
no-cors
accept
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cache-control
no-cache
sec-fetch-dest
image
:authority
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referer
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:scheme
https
sec-fetch-site
same-origin
:method
GET
Referer
https://polyfill.io/css/index.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubdomains; preload
referrer-policy
origin-when-cross-origin
last-modified
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age
321941
etag
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vary
Accept-Encoding
content-type
image/svg+xml
cache-control
public, s-maxage=31536000, max-age=604800, stale-while-revalidate=604800, stale-if-error=604800
date
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server-timing
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accept-ranges
bytes
timing-allow-origin
*
content-length
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x-content-type-options
nosniff
home-page-hero.jpg
polyfill.io/img/
168 KB
168 KB
Image
General
Full URL
https://polyfill.io/img/home-page-hero.jpg
Requested by
Host: polyfill.io
URL: https://polyfill.io/css/index.css
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a04:4e42:600::621 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubdomains; preload
X-Content-Type-Options nosniff

Request headers

:path
/img/home-page-hero.jpg
pragma
no-cache
accept-encoding
gzip, deflate, br
accept-language
en-US
user-agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
sec-fetch-mode
no-cors
accept
image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8
cache-control
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sec-fetch-dest
image
:authority
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referer
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:scheme
https
sec-fetch-site
same-origin
:method
GET
Referer
https://polyfill.io/css/index.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubdomains; preload
referrer-policy
origin-when-cross-origin
last-modified
Mon, 22 Mar 2021 13:30:49 GMT
age
226011
etag
W/"2a054-1785a218328"
content-type
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cache-control
public, s-maxage=31536000, max-age=604800, stale-while-revalidate=604800, stale-if-error=604800
date
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server-timing
HIT-CLUSTER, fastly;desc="Edge time";dur=2 HIT-CLUSTER, fastly;desc="Edge time";dur=3
accept-ranges
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timing-allow-origin
*
content-length
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x-content-type-options
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30 KB
31 KB
Font
General
Full URL
https://www.ft.com/__origami/service/build/v2/files/o-fonts-assets@1.5.0/MetricWeb-Semibold.woff2
Requested by
Host: polyfill.io
URL: https://polyfill.io/css/index.css
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
151.101.114.109 Frankfurt am Main, Germany, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubDomains; preload

Request headers

Origin
https://polyfill.io
Referer
https://polyfill.io/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Sat, 08 May 2021 18:15:24 GMT
vary
FT-Site, Accept-Encoding,Origin
last-modified
Sat, 08 May 2021 11:51:13 GMT
age
12925
accept-ranges
bytes
strict-transport-security
max-age=63072000; includeSubDomains; preload
content-type
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access-control-allow-origin
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cache-control
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server-timing
total; dur=45.094563; desc="Total Response Time"
ft-suppress-friendly-error
true
content-length
31148
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www.ft.com/__origami/service/build/v2/files/o-fonts-assets@1.5.0/
28 KB
29 KB
Font
General
Full URL
https://www.ft.com/__origami/service/build/v2/files/o-fonts-assets@1.5.0/MetricWeb-Regular.woff2
Requested by
Host: polyfill.io
URL: https://polyfill.io/css/index.css
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
151.101.114.109 Frankfurt am Main, Germany, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubDomains; preload

Request headers

Origin
https://polyfill.io
Referer
https://polyfill.io/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Sat, 08 May 2021 18:15:24 GMT
vary
FT-Site, Accept-Encoding,Origin
last-modified
Sat, 08 May 2021 11:51:11 GMT
age
14738
accept-ranges
bytes
strict-transport-security
max-age=63072000; includeSubDomains; preload
content-type
font/woff2
access-control-allow-origin
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cache-control
public, max-age=2583684, stale-while-revalidate=3188484, stale-if-error=3188484, s-maxage=43200
server-timing
total; dur=32.445308; desc="Total Response Time"
ft-suppress-friendly-error
true
content-length
29120
ftsocial-v2%3Agithub
www.ft.com/__origami/service/image/v2/images/raw/
805 B
841 B
Image
General
Full URL
https://www.ft.com/__origami/service/image/v2/images/raw/ftsocial-v2%3Agithub?source=origami-polyfill-service&tint=000000&format=svg
Requested by
Host: polyfill.io
URL: https://polyfill.io/css/index.css
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
151.101.114.109 Frankfurt am Main, Germany, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
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Security Headers
Name Value
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Request headers

Referer
https://polyfill.io/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

strict-transport-security
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content-encoding
gzip
etag
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ft-image-format
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server-timing
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accept-ranges
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date
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vary
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cache-control
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ft-suppress-friendly-error
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timing-allow-origin
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index.min.js
polyfill.io/js/
46 KB
13 KB
Other
General
Full URL
https://polyfill.io/js/index.min.js
Requested by
Host: polyfill.io
URL: https://polyfill.io/v3/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a04:4e42:600::621 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubdomains; preload
X-Content-Type-Options nosniff

Request headers

:path
/js/index.min.js
pragma
no-cache
accept-encoding
gzip, deflate, br
accept-language
en-US
user-agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
sec-fetch-mode
no-cors
accept
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cache-control
no-cache
sec-fetch-dest
script
:authority
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referer
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:scheme
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sec-fetch-site
same-origin
:method
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Referer
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User-Agent
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Response headers

strict-transport-security
max-age=31536000; includeSubdomains; preload
content-encoding
gzip
referrer-policy
origin-when-cross-origin
last-modified
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age
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etag
W/"b933-1785a25d4a0"
vary
Accept-Encoding
content-type
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cache-control
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date
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server-timing
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accept-ranges
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timing-allow-origin
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content-length
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x-content-type-options
nosniff

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11 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.

object| onbeforexrselect object| ontransitionrun object| ontransitionstart object| ontransitioncancel object| cookieStore function| showDirectoryPicker function| showOpenFilePicker function| showSaveFilePicker boolean| originAgentCluster object| trustedTypes boolean| crossOriginIsolated

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Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header Value
Strict-Transport-Security max-age=31536000; includeSubdomains; preload
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block