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contrast-ratio.com Open in urlscan Pro
185.199.109.153  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: http://r20.rs6.net/tn.jsp?f=001onBTvEpzEQaFlfL51K8BVydSi5UHNrUap1MSu9mXGIt-c2PXZFBJCKhaBh3VZw8Y3AZkPH_UI5XPGUzkfieO...
Effective URL: https://contrast-ratio.com/
Submission: On December 04 via manual from US
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 7 IPs in 4 countries across 9 domains to perform 12 HTTP transactions. The main IP is 185.199.109.153, located in United States and belongs to FASTLY, US. The main domain is contrast-ratio.com.
TLS certificate: Issued by Let's Encrypt Authority X3 on November 18th 2020. Valid for: 3 months.
This is the only time contrast-ratio.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 1 208.75.122.11 40444 (ASN-CC)
4 185.199.109.153 54113 (FASTLY)
1 23.111.10.140 33438 (HIGHWINDS2)
1 3 185.199.110.153 54113 (FASTLY)
1 174.138.11.135 14061 (DIGITALOC...)
2 2a00:1450:400... 15169 (GOOGLE)
1 94.31.29.32 6461 (ZAYO-6461)
1 140.82.121.6 36459 (GITHUB)
12 7
1    208.75.122.11 (United States)

ASN40444 (ASN-CC, US)
PTR: rs6.net
r20.rs6.net
4    185.199.109.153 (United States)

ASN54113 (FASTLY, US)
contrast-ratio.com
1    23.111.10.140 (Phoenix, United States)

ASN33438 (HIGHWINDS2, US)
cdn.carbonads.com
3    185.199.110.153 (United States)

ASN54113 (FASTLY, US)
leaverou.github.io
projects.verou.me
buttons.github.io
1    174.138.11.135 (Amsterdam, Netherlands)

ASN14061 (DIGITALOCEAN-ASN, US)
PTR: srv-eu-nl-7.buysellads.com
srv.carbonads.net
2    2a00:1450:4001:824::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google-analytics.com
1    94.31.29.32 (United Kingdom)

ASN6461 (ZAYO-6461, US)
PTR: 94.31.29.32.IPYX-077437-ZYO.above.net
cdn4.buysellads.net
1    140.82.121.6 (United States)

ASN36459 (GITHUB, US)
PTR: lb-140-82-121-6-fra.github.com
api.github.com
Domain Requested by
4 contrast-ratio.com contrast-ratio.com
2 www.google-analytics.com contrast-ratio.com
www.google-analytics.com
1 api.github.com buttons.github.io
1 cdn4.buysellads.net contrast-ratio.com
1 srv.carbonads.net cdn.carbonads.com
1 buttons.github.io contrast-ratio.com
1 projects.verou.me contrast-ratio.com
1 leaverou.github.io 1 redirects
1 cdn.carbonads.com contrast-ratio.com
1 r20.rs6.net 1 redirects
12 10

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

Domain
lea.verou.me
www.w3.org
srv.carbonads.net
carbonads.net
Subject Issuer Validity Valid
contrast-ratio.com
Let's Encrypt Authority X3		 2020-11-18 -
2021-02-16		 3 months crt.sh
*.carbonads.com
Sectigo RSA Domain Validation Secure Server CA		 2020-04-03 -
2022-04-08		 2 years crt.sh
projects.verou.me
Let's Encrypt Authority X3		 2020-10-30 -
2021-01-28		 3 months crt.sh
www.github.com
DigiCert SHA2 High Assurance Server CA		 2020-05-06 -
2022-04-14		 2 years crt.sh
*.carbonads.net
Sectigo RSA Domain Validation Secure Server CA		 2019-09-19 -
2021-10-12		 2 years crt.sh
*.google-analytics.com
GTS CA 1O1		 2020-11-03 -
2021-01-26		 3 months crt.sh
*.buysellads.net
Sectigo RSA Domain Validation Secure Server CA		 2019-08-23 -
2021-08-22		 2 years crt.sh
*.github.com
DigiCert SHA2 High Assurance Server CA		 2020-06-22 -
2022-08-17		 2 years crt.sh

This page contains 1 frames:

Primary Page: https://contrast-ratio.com/
Frame ID: 34278076DE30D5077D8F96C86C7F94FD
Requests: 12 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page URL History Show full URLs

  1. http://r20.rs6.net/tn.jsp?f=001onBTvEpzEQaFlfL51K8BVydSi5UHNrUap1MSu9mXGIt-c2PXZFBJCKhaBh3VZw8Y... HTTP 302
    https://contrast-ratio.com/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • headers server /^GitHub\.com$/i
Overall confidence: 100%
Detected patterns
  • headers via /varnish(?: \(Varnish\/([\d.]+)\))?/i
Overall confidence: 100%
Detected patterns
  • headers server /^GitHub\.com$/i
Overall confidence: 100%
Detected patterns
  • headers server /^GitHub\.com$/i
Overall confidence: 100%
Detected patterns
  • script /google-analytics\.com\/(?:ga|urchin|analytics)\.js/i

Page Statistics

12
Requests

100 %
HTTPS

13 %
IPv6

9
Domains

10
Subdomains

7
IPs

4
Countries

48 kB
Transfer

109 kB
Size

3
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://r20.rs6.net/tn.jsp?f=001onBTvEpzEQaFlfL51K8BVydSi5UHNrUap1MSu9mXGIt-c2PXZFBJCKhaBh3VZw8Y3AZkPH_UI5XPGUzkfieOlxrM1A1mhK9sj4TLmIb26TM3uUCEaXGS6WRVjPhfBASsBGkHYh3uaitTkhgsTKW-TA==&c=qj92Aymk2TlqUHfF8oUhzEjtqd-Kkp9OdnOdY9B9NtzUK3_XxQO3UA==&ch=UVpTkopRQT6FcCDEBQStXw50RlCqbqr6KJzuSpSvqaHHpJvncf7SFQ== HTTP 302
    https://contrast-ratio.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 2
  • https://leaverou.github.io/incrementable/incrementable.js HTTP 301
  • https://projects.verou.me/incrementable/incrementable.js

12 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
contrast-ratio.com/
Redirect Chain
  • http://r20.rs6.net/tn.jsp?f=001onBTvEpzEQaFlfL51K8BVydSi5UHNrUap1MSu9mXGIt-c2PXZFBJCKhaBh3VZw8Y3AZkPH_UI5XPGUzkfieOlxrM1A1mhK9sj4TLmIb26TM3uUCEaXGS6WRVjPhfBASsBGkHYh3uaitTkhgsTKW-TA==&c=qj92Aymk2Tl...
  • https://contrast-ratio.com/
4 KB
2 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://contrast-ratio.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
185.199.109.153 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
GitHub.com /
Resource Hash
a5aefb72dafebb1e5d44019a3a86da7cbfd35d6641d03a9d178030f3b258fe1c

Request headers

:method
GET
:authority
contrast-ratio.com
:scheme
https
:path
/
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 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 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

content-type
text/html; charset=utf-8
server
GitHub.com
x-origin-cache
HIT
last-modified
Mon, 02 Nov 2020 16:14:01 GMT
etag
W/"5fa03049-e23"
access-control-allow-origin
*
expires
Fri, 04 Dec 2020 05:24:15 GMT
cache-control
max-age=600
content-encoding
gzip
x-proxy-cache
MISS
x-github-request-id
4144:204F:1405ED:15AD35:5FC9C5A7
accept-ranges
bytes
date
Fri, 04 Dec 2020 13:29:00 GMT
via
1.1 varnish
age
456
x-served-by
cache-hhn4029-HHN
x-cache
HIT
x-cache-hits
1
x-timer
S1607088541.950789,VS0,VE1
vary
Accept-Encoding
x-fastly-request-id
d1f21d55b783727378df77a3b18ae2b2f57ba17f
content-length
1647

Redirect headers

Date
Fri, 04 Dec 2020 13:29:00 GMT
Server
Apache
P3P
CP="CAO DSP TAIa OUR NOR UNI"
Location
https://contrast-ratio.com/
Content-Length
0
Cache-Control
private, no-cache, no-store, max-age=0, must-revalidate, no-cache="Set-Cookie"
Pragma
no-cache
Connection
close
Content-Type
text/html;charset=ISO-8859-1
style.css
contrast-ratio.com/ 		6 KB
2 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://contrast-ratio.com/style.css
Requested by
Host: contrast-ratio.com
URL: https://contrast-ratio.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
185.199.109.153 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
GitHub.com /
Resource Hash
dfa6308cb3481d5ed0ce1f996473aab39f545c8d2e3e093b3f965abf97900213

Request headers

Referer
https://contrast-ratio.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

x-fastly-request-id
a68cfa55548a884ab9366d408783bac15873ee63
date
Fri, 04 Dec 2020 13:29:01 GMT
content-encoding
gzip
age
0
x-cache
HIT
content-length
1844
x-served-by
cache-hhn4029-HHN
access-control-allow-origin
*
last-modified
Mon, 02 Nov 2020 16:14:01 GMT
server
GitHub.com
x-github-request-id
0A08:48E2:28B5B3:2B8421:5FCA1C25
x-timer
S1607088541.965692,VS0,VE90
etag
W/"5fa03049-17a1"
vary
Accept-Encoding
content-type
text/css; charset=utf-8
via
1.1 varnish
expires
Fri, 04 Dec 2020 11:33:18 GMT
cache-control
max-age=600
accept-ranges
bytes
x-proxy-cache
MISS
x-cache-hits
1
carbon.js
cdn.carbonads.com/ 		15 KB
6 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn.carbonads.com/carbon.js?zoneid=1673&serve=C6AILKT&placement=contrastratiocom
Requested by
Host: contrast-ratio.com
URL: https://contrast-ratio.com/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
23.111.10.140 Phoenix, United States, ASN33438 (HIGHWINDS2, US),
Reverse DNS
Software
NetDNA-cache/2.2 /
Resource Hash
f08c10337bc4dd1825785f3a460bc03f2fd076e16d691040b5f8106bf2f14864

Request headers

Referer
https://contrast-ratio.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Date
Fri, 04 Dec 2020 13:29:00 GMT
Content-Encoding
gzip
Last-Modified
Tue, 27 Oct 2020 20:53:30 GMT
Server
NetDNA-cache/2.2
ETag
W/"3d43-5b2ad3d436e46"
Vary
Accept-Encoding
X-Cache
HIT
Content-Type
application/javascript
Transfer-Encoding
chunked
Connection
keep-alive
incrementable.js
projects.verou.me/incrementable/
Redirect Chain
  • https://leaverou.github.io/incrementable/incrementable.js
  • https://projects.verou.me/incrementable/incrementable.js
3 KB
2 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://projects.verou.me/incrementable/incrementable.js
Requested by
Host: contrast-ratio.com
URL: https://contrast-ratio.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
185.199.110.153 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
GitHub.com /
Resource Hash
cae961234536a873be5e78c5ae0e1eeb8124a2b4b6dcf8eafe4d534708b637d9

Request headers

Referer
https://contrast-ratio.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

x-fastly-request-id
366b03d36d3421e11844e6f1f06f85e7725d068e
date
Fri, 04 Dec 2020 13:29:01 GMT
content-encoding
gzip
age
0
x-cache
HIT
content-length
1433
x-served-by
cache-hhn4059-HHN
access-control-allow-origin
*
last-modified
Sun, 05 Aug 2018 13:46:47 GMT
server
GitHub.com
x-github-request-id
4A76:F7C2:A22DB:ACE69:5FC97918
x-timer
S1607088541.043039,VS0,VE91
etag
W/"5b66ffc7-d31"
vary
Accept-Encoding
content-type
application/javascript; charset=utf-8
via
1.1 varnish
expires
Thu, 03 Dec 2020 23:57:36 GMT
cache-control
max-age=600
accept-ranges
bytes
x-proxy-cache
MISS
x-cache-hits
1

Redirect headers

x-fastly-request-id
bcd4e39a8575f445e3a415834192fc22cb108d72
date
Fri, 04 Dec 2020 13:29:00 GMT
via
1.1 varnish
server
GitHub.com
x-github-request-id
3DAA:48E0:BB96C:CA290:5FCA33A5
age
1527
x-served-by
cache-hhn4034-HHN
vary
Accept-Encoding
x-cache
HIT
content-type
text/html
location
https://projects.verou.me/incrementable/incrementable.js
accept-ranges
bytes
x-timer
S1607088541.988519,VS0,VE1
content-length
162
x-cache-hits
1
color.js
contrast-ratio.com/ 		3 KB
2 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://contrast-ratio.com/color.js
Requested by
Host: contrast-ratio.com
URL: https://contrast-ratio.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
185.199.109.153 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
GitHub.com /
Resource Hash
c94a96de36faa3b12fd649b81d4a7ab89fa68e071a230550ac1978eaa26e6654

Request headers

Referer
https://contrast-ratio.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

x-fastly-request-id
7154dc5924c1ea11d435e3d26485611adc5df31b
date
Fri, 04 Dec 2020 13:29:01 GMT
content-encoding
gzip
age
0
x-cache
HIT
content-length
1373
x-served-by
cache-hhn4029-HHN
access-control-allow-origin
*
last-modified
Mon, 02 Nov 2020 16:14:01 GMT
server
GitHub.com
x-github-request-id
1262:5600:12A284:14279A:5FC9C5A7
x-timer
S1607088541.965766,VS0,VE88
etag
W/"5fa03049-d51"
vary
Accept-Encoding
content-type
application/javascript; charset=utf-8
via
1.1 varnish
expires
Fri, 04 Dec 2020 05:24:16 GMT
cache-control
max-age=600
accept-ranges
bytes
x-origin-cache
HIT
x-proxy-cache
MISS
x-cache-hits
1
contrast-ratio.js
contrast-ratio.com/ 		7 KB
3 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://contrast-ratio.com/contrast-ratio.js
Requested by
Host: contrast-ratio.com
URL: https://contrast-ratio.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
185.199.109.153 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
GitHub.com /
Resource Hash
3a338f5528ec7c012928b2f4144858cfdadf0c7de035291af3547be895d6512c

Request headers

Referer
https://contrast-ratio.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

x-fastly-request-id
c75c3adc682253adeac9736e16b959d4f5fa2429
date
Fri, 04 Dec 2020 13:29:01 GMT
content-encoding
gzip
age
0
x-cache
HIT
content-length
2612
x-served-by
cache-hhn4029-HHN
access-control-allow-origin
*
last-modified
Mon, 02 Nov 2020 16:14:01 GMT
server
GitHub.com
x-github-request-id
CD74:12905:113615:12A6BE:5FC9C5A7
x-timer
S1607088541.965770,VS0,VE94
etag
W/"5fa03049-1d2b"
vary
Accept-Encoding
content-type
application/javascript; charset=utf-8
via
1.1 varnish
expires
Fri, 04 Dec 2020 05:24:16 GMT
cache-control
max-age=600
accept-ranges
bytes
x-proxy-cache
MISS
x-cache-hits
1
buttons.js
buttons.github.io/ 		15 KB
6 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://buttons.github.io/buttons.js
Requested by
Host: contrast-ratio.com
URL: https://contrast-ratio.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
185.199.110.153 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
GitHub.com /
Resource Hash
43b148dc1b8fff2c948ab7838c2b00b1f13293d7b270e30f010f4113f6cfff97

Request headers

Referer
https://contrast-ratio.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

x-fastly-request-id
6458060d8cf92813f376dbf262a032a6702f80b8
date
Fri, 04 Dec 2020 13:29:00 GMT
content-encoding
gzip
age
243
x-cache
HIT
content-length
5932
x-served-by
cache-hhn4058-HHN
access-control-allow-origin
*
last-modified
Mon, 30 Nov 2020 05:36:31 GMT
server
GitHub.com
x-github-request-id
89B2:66B5:18CCD4:1A9DCC:5FC854F6
x-timer
S1607088541.984103,VS0,VE0
etag
W/"5fc484df-3beb"
vary
Accept-Encoding
content-type
application/javascript; charset=utf-8
via
1.1 varnish
expires
Thu, 03 Dec 2020 02:51:42 GMT
cache-control
max-age=600
accept-ranges
bytes
x-proxy-cache
HIT
x-cache-hits
4
CK7DT2QJ.json
srv.carbonads.net/ads/ 		1 KB
1 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://srv.carbonads.net/ads/CK7DT2QJ.json?segment=placement:contrastratiocom&callback=_carbonads_go
Requested by
Host: cdn.carbonads.com
URL: https://cdn.carbonads.com/carbon.js?zoneid=1673&serve=C6AILKT&placement=contrastratiocom
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
174.138.11.135 Amsterdam, Netherlands, ASN14061 (DIGITALOCEAN-ASN, US),
Reverse DNS
srv-eu-nl-7.buysellads.com
Software
//srv.buysellads.com /
Resource Hash
8179f823107e324aacfb6484259b7f0952701af2269ea759e8b98626bd614868

Request headers

Referer
https://contrast-ratio.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Access-Control-Allow-Origin
*
Date
Fri, 04 Dec 2020 13:29:01 GMT
Content-Encoding
gzip
Server
//srv.buysellads.com
Content-Length
865
Vary
Accept-Encoding
Content-Type
application/javascript; charset=utf-8
analytics.js
www.google-analytics.com/ 		46 KB
18 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.google-analytics.com/analytics.js
Requested by
Host: contrast-ratio.com
URL: https://contrast-ratio.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:824::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
e441c3e2771625ba05630ab464275136a82c99650ee2145ca5aa9853bedeb01b
Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://contrast-ratio.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

strict-transport-security
max-age=10886400; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Fri, 23 Oct 2020 03:00:57 GMT
server
Golfe2
age
2351
date
Fri, 04 Dec 2020 12:49:50 GMT
vary
Accept-Encoding
content-type
text/javascript
cache-control
public, max-age=7200
cross-origin-resource-policy
cross-origin
alt-svc
h3-29=":443"; ma=2592000,h3-T051=":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
18817
expires
Fri, 04 Dec 2020 14:49:50 GMT
1605286042-carbon-dev-ads-_Ver_2.a_1_.png
cdn4.buysellads.net/uu/1/78180/ 		3 KB
3 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://cdn4.buysellads.net/uu/1/78180/1605286042-carbon-dev-ads-_Ver_2.a_1_.png
Requested by
Host: contrast-ratio.com
URL: https://contrast-ratio.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
94.31.29.32 , United Kingdom, ASN6461 (ZAYO-6461, US),
Reverse DNS
94.31.29.32.IPYX-077437-ZYO.above.net
Software
NetDNA-cache/2.2 /
Resource Hash
afe9615f85ec71b35c82b724cdcdb77a99096eb59bc0904a7643b6084a2eea2a

Request headers

Referer
https://contrast-ratio.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Fri, 04 Dec 2020 13:29:01 GMT
last-modified
Fri, 13 Nov 2020 16:47:24 GMT
server
NetDNA-cache/2.2
x-amz-request-id
309D374C88EF1D4A
etag
"0e626e197f834cee0f48da284d277f63"
x-cache
HIT
content-type
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cache-control
max-age=31104000
accept-ranges
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x-amz-id-2
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expires
Mon, 29 Nov 2021 13:29:01 GMT
contrast-ratio
api.github.com/repos/leaverou/ 		6 KB
3 KB 		XHR
General
Check archive.org
Download Go to
Full URL
https://api.github.com/repos/leaverou/contrast-ratio
Requested by
Host: buttons.github.io
URL: https://buttons.github.io/buttons.js
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
140.82.121.6 , United States, ASN36459 (GITHUB, US),
Reverse DNS
lb-140-82-121-6-fra.github.com
Software
GitHub.com /
Resource Hash
a29cb5cab08ac26b88eb23c03e306090e0c46f908a4ab9e8c40b4329d684940e
Security Headers
Name Value
Content-Security-Policy default-src 'none'
Strict-Transport-Security max-age=31536000; includeSubdomains; preload
X-Content-Type-Options nosniff
X-Frame-Options deny
X-Xss-Protection 1; mode=block

Request headers

Referer
https://contrast-ratio.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Fri, 04 Dec 2020 13:28:44 GMT
content-encoding
gzip
x-content-type-options
nosniff
x-github-media-type
github.v3; format=json
status
200 OK
strict-transport-security
max-age=31536000; includeSubdomains; preload
vary
Accept, Accept-Encoding, Accept, X-Requested-With, Accept-Encoding
Content-Length
1366
x-xss-protection
1; mode=block
X-Ratelimit-Used
1
referrer-policy
origin-when-cross-origin, strict-origin-when-cross-origin
last-modified
Wed, 02 Dec 2020 16:45:35 GMT
server
GitHub.com
X-GitHub-Request-Id
40D2:12935:75FD3F:858A37:5FCA399D
x-frame-options
deny
etag
W/"cc130c255610bae10a375503e74cfe61e869681013ad4090cd479c3e73fc8e20"
content-security-policy
default-src 'none'
X-Ratelimit-Remaining
59
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application/json; charset=utf-8
access-control-allow-origin
*
access-control-expose-headers
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cache-control
public, max-age=60, s-maxage=60
X-Ratelimit-Reset
1607092141
X-Ratelimit-Limit
60
Accept-Ranges
bytes
collect
www.google-analytics.com/j/ 		2 B
389 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://www.google-analytics.com/j/collect?v=1&_v=j87&a=2093270612&t=pageview&_s=1&dl=https%3A%2F%2Fcontrast-ratio.com%2F&ul=en-us&de=UTF-8&dt=Contrast%20Ratio%3A%20Easily%20calculate%20color%20contrast%20ratios.%20Passing%20WCAG%20was%20never%20this%20easy!&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&_u=IEBAAEABAAAAAC~&jid=1168869925&gjid=1673135285&cid=1940464560.1607088541&tid=UA-117109922-1&_gid=635278390.1607088541&_r=1&_slc=1&z=388482898
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Host: www.google-analytics.com
URL: https://www.google-analytics.com/analytics.js
Protocol
H3-Q050
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:824::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
https://contrast-ratio.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
Content-Type
text/plain

Response headers

pragma
no-cache
date
Fri, 04 Dec 2020 13:29:01 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
https://contrast-ratio.com
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
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content-length
2
expires
Fri, 01 Jan 1990 00:00:00 GMT

Verdicts & Comments Add Verdict or Comment

47 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| ontransitionrun object| ontransitionstart object| ontransitioncancel object| cookieStore function| showDirectoryPicker function| showOpenFilePicker function| showSaveFilePicker object| trustedTypes boolean| crossOriginIsolated object| _carbonads function| _carbonads_go object| _carbon_where string| ignoretargeting function| _bsap_serving_callback function| Color function| $ function| $$ function| floor object| messages object| canvas object| ctx object| output object| levels function| rangeIntersect function| updateLuminance function| update function| colorChanged function| hashchange object| _carbonads_projs object| background object| foreground object| results object| preciseContrast object| wcag object| backgroundDisplay object| foregroundDisplay object| swap object| _carbonads_js object| incrementable string| GoogleAnalyticsObject function| ga object| bgcolor function| Incrementable object| google_tag_data object| gaplugins object| gaGlobal object| gaData

3 Cookies

Domain/Path Name / Value
.contrast-ratio.com/ Name: _gat
Value: 1
.contrast-ratio.com/ Name: _gid
Value: GA1.2.635278390.1607088541
.contrast-ratio.com/ Name: _ga
Value: GA1.2.1940464560.1607088541

1 Console Messages

Source Level URL
Text
console-api log URL: https://contrast-ratio.com/contrast-ratio.js(Line 105)
Message:
[object Object]