urlscan.io logo urlscan.io
SecurityTrails logo

realpython.com Open in urlscan Pro
2606:4700:10::6816:11ab  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: https://links.realpython.com/e/c/eyJlbWFpbF9pZCI6ImRnU1V6UWNCQUtxNkVhbTZFUUdLOWVEdV85ME1uTWJGRVRVXzU5az0iLCJocmVmIjoiaHR0cHM6...
Effective URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Submission: On October 03 via manual from BR — Scanned from DE
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 10 IPs in 3 countries across 8 domains to perform 51 HTTP transactions. The main IP is 2606:4700:10::6816:11ab, located in United States and belongs to CLOUDFLARENET, US. The main domain is realpython.com. The Cisco Umbrella rank of the primary domain is 165034.
TLS certificate: Issued by Cloudflare Inc ECC CA-3 on April 5th 2023. Valid for: a year.
This is the only time realpython.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

5    2606:4700:10::6816:11ab (United States)

ASN13335 (CLOUDFLARENET, US)
links.realpython.com
realpython.com
20    2606:4700:10::ac43:2b37 (United States)

ASN13335 (CLOUDFLARENET, US)
realpython.com
2    2a00:1450:4001:82f::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.googletagmanager.com
2    2a00:1450:4001:810::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google-analytics.com
15    2606:4700:20::ac43:45f5 (United States)

ASN13335 (CLOUDFLARENET, US)
srv.realpython.net
img.realpython.net
2    199.232.196.134 (United States)

ASN54113 (FASTLY, US)
realpython.disqus.com
2    2001:4860:4802:32::36 (United States)

ASN15169 (GOOGLE, US)
region1.google-analytics.com
region1.analytics.google.com
2    2a00:1450:400c:c02::9c (Brussels, Belgium)

ASN15169 (GOOGLE, US)
stats.g.doubleclick.net
1    2a00:1450:4001:80e::2004 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google.com
2    2a00:1450:4001:812::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google.de
Apex Domain
Subdomains		 Transfer
25 realpython.com
links.realpython.com
realpython.com — Cisco Umbrella Rank: 165034
382 KB
15 realpython.net
srv.realpython.net — Cisco Umbrella Rank: 353631
img.realpython.net — Cisco Umbrella Rank: 405762
690 KB
3 google-analytics.com
www.google-analytics.com — Cisco Umbrella Rank: 96
region1.google-analytics.com — Cisco Umbrella Rank: 1878
21 KB
2 google.de
www.google.de — Cisco Umbrella Rank: 3974
515 B
2 google.com
www.google.com — Cisco Umbrella Rank: 11
region1.analytics.google.com — Cisco Umbrella Rank: 2225
453 B
2 doubleclick.net
stats.g.doubleclick.net — Cisco Umbrella Rank: 175
395 B
2 disqus.com
realpython.disqus.com — Cisco Umbrella Rank: 334366
2 KB
2 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 111
173 KB
51 8
Domain Requested by
24 realpython.com 1 redirects realpython.com
12 img.realpython.net realpython.com
3 srv.realpython.net realpython.com
srv.realpython.net
2 www.google.de realpython.com
2 stats.g.doubleclick.net www.google-analytics.com
www.googletagmanager.com
2 realpython.disqus.com realpython.com
realpython.disqus.com
2 www.google-analytics.com realpython.com
www.google-analytics.com
2 www.googletagmanager.com realpython.com
www.google-analytics.com
1 region1.analytics.google.com www.googletagmanager.com
1 www.google.com realpython.com
1 region1.google-analytics.com www.googletagmanager.com
1 links.realpython.com 1 redirects
51 12
Subject Issuer Validity Valid
realpython.com
Cloudflare Inc ECC CA-3		 2023-04-05 -
2024-04-04		 a year crt.sh
*.google-analytics.com
GTS CA 1C3		 2023-09-04 -
2023-11-27		 3 months crt.sh
sni.cloudflaressl.com
Cloudflare Inc ECC CA-3		 2023-04-15 -
2024-04-14		 a year crt.sh
*.disqus.com
Sectigo RSA Domain Validation Secure Server CA		 2023-04-13 -
2024-04-20		 a year crt.sh
*.g.doubleclick.net
GTS CA 1C3		 2023-09-04 -
2023-11-27		 3 months crt.sh
www.google.com
GTS CA 1C3		 2023-09-04 -
2023-11-27		 3 months crt.sh
www.google.de
GTS CA 1C3		 2023-09-04 -
2023-11-27		 3 months crt.sh

This page contains 2 frames:

Primary Page: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Frame ID: 7879A86A8E53249D3AD2229B41916E21
Requests: 49 HTTP requests in this frame

Frame: https://realpython.com/cdn-cgi/challenge-platform/h/g/scripts/jsd/dffb14d6/main.js
Frame ID: AA92682CC0F0736D881D763D565D7CAD
Requests: 2 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Python 3.12: Cool New Features for You to Try – Real Python

Page URL History Show full URLs

  1. https://links.realpython.com/e/c/eyJlbWFpbF9pZCI6ImRnU1V6UWNCQUtxNkVhbTZFUUdLOWVEdV85ME1uTWJGRVRVXzU5az0i... HTTP 302
    https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm... Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.js
Overall confidence: 100%
Detected patterns
  • (?:powered by <a[^>]+>Django ?([\d.]+)?<\/a>|<input[^>]*name=["']csrfmiddlewaretoken["'][^>]*>)
Overall confidence: 100%
Detected patterns
  • (?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:.*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)
Overall confidence: 100%
Detected patterns
  • google-analytics\.com/(?:ga|urchin|analytics)\.js
Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtag/js
Overall confidence: 100%
Detected patterns
  • lightbox(?:-plus-jquery)?.{0,32}\.js
Overall confidence: 100%
Detected patterns
  • jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

Page Statistics

51
Requests

98 %
HTTPS

90 %
IPv6

8
Domains

12
Subdomains

10
IPs

3
Countries

1271 kB
Transfer

2178 kB
Size

8
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://links.realpython.com/e/c/eyJlbWFpbF9pZCI6ImRnU1V6UWNCQUtxNkVhbTZFUUdLOWVEdV85ME1uTWJGRVRVXzU5az0iLCJocmVmIjoiaHR0cHM6Ly9yZWFscHl0aG9uLmNvbS9weXRob24zMTItbmV3LWZlYXR1cmVzLz91dG1fc291cmNlPW5vdGlmaWNhdGlvbl9zdW1tYXJ5XHUwMDI2dXRtX21lZGl1bT1lbWFpbFx1MDAyNnV0bV9jYW1wYWlnbj0yMDIzLTEwLTAzIiwiaW50ZXJuYWwiOiI5NGNkMDcwOWY5N2NhYWJhMTEiLCJsaW5rX2lkIjoyMTQzfQ/6bc9ae8882b517eb72c52a7a4c582b5f638bcd8aa8a9ac90b8d14527877a92e2 HTTP 302
    https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03 Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 27
  • https://realpython.com/cdn-cgi/challenge-platform/scripts/jsd/main.js HTTP 302
  • https://realpython.com/cdn-cgi/challenge-platform/h/g/scripts/jsd/dffb14d6/main.js

51 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
realpython.com/python312-new-features/
Redirect Chain
  • https://links.realpython.com/e/c/eyJlbWFpbF9pZCI6ImRnU1V6UWNCQUtxNkVhbTZFUUdLOWVEdV85ME1uTWJGRVRVXzU5az0iLCJocmVmIjoiaHR0cHM6Ly9yZWFscHl0aG9uLmNvbS9weXRob24zMTItbmV3LWZlYXR1cmVzLz91dG1fc291cmNlPW5v...
  • https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
182 KB
38 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:10::6816:11ab , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
0aaa9dbb45756de8af53baad821e17db303de5109ef1617eea370307426d6ada
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

alt-svc
h3=":443"; ma=86400
cf-cache-status
DYNAMIC
cf-ray
81062c83cdb02bd1-FRA
content-encoding
br
content-type
text/html; charset=utf-8
cross-origin-opener-policy
same-origin
date
Tue, 03 Oct 2023 15:21:16 GMT
referrer-policy
strict-origin-when-cross-origin,origin
server
cloudflare
strict-transport-security
max-age=31536000; includeSubDomains; preload
vary
Cookie, Accept-Encoding
via
1.1 vegur
x-content-type-options
nosniff
x-frame-options
SAMEORIGIN

Redirect headers

access-control-allow-origin
*
alt-svc
h3=":443"; ma=86400
cache-control
no-cache, no-store, must-revalidate, max-age=0
cf-cache-status
DYNAMIC
cf-ray
81062c82ccbe2bd1-FRA
content-length
0
date
Tue, 03 Oct 2023 15:21:16 GMT
location
https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
server
cloudflare
via
1.1 google
realpython.min.2a653ded9c17.css
realpython.com/static/ 		232 KB
40 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://realpython.com/static/realpython.min.2a653ded9c17.css
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:10::6816:11ab , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
1008936328807c2f68b93d692e7de99321ddc5d4d92dadb8a21dd2c7645a38e0
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:16 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
via
1.1 vegur
age
4033848
content-encoding
br
alt-svc
h3=":443"; ma=86400
referrer-policy
strict-origin-when-cross-origin,origin
cf-bgj
minify
last-modified
Thu, 17 Aug 2023 22:46:29 GMT
cross-origin-opener-policy
same-origin
server
cloudflare
etag
W/"64dea345-3a0f0"
vary
Accept-Encoding
content-type
text/css; charset="utf-8"
access-control-allow-origin
*
cache-control
max-age=315360000, public, immutable
cf-ray
81062c861ff52bd1-FRA
font.5ac42994de49.css
realpython.com/static/gfonts/ 		864 B
443 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://realpython.com/static/gfonts/font.5ac42994de49.css
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:10::6816:11ab , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
191c85479ef0b1329b52142f19b959561f94b441dd5be7f308a794343f265b8a
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:16 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
via
1.1 vegur
age
19328255
cf-polished
origSize=1838
content-encoding
br
alt-svc
h3=":443"; ma=86400
referrer-policy
strict-origin-when-cross-origin,origin
cf-bgj
minify
last-modified
Tue, 21 Feb 2023 20:45:24 GMT
cross-origin-opener-policy
same-origin
server
cloudflare
etag
W/"63f52d64-72e"
vary
Accept-Encoding
content-type
text/css; charset="utf-8"
access-control-allow-origin
*
cache-control
max-age=315360000, public, immutable
cf-ray
81062c861ff72bd1-FRA
glightbox.min.9b438b29cef1.css
realpython.com/static/ 		13 KB
3 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://realpython.com/static/glightbox.min.9b438b29cef1.css
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:10::6816:11ab , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
04a409d492fa1a3574acb225db54736256b62143f48a826b65cb850bab3efa91
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:16 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
via
1.1 vegur
age
14557146
cf-polished
origSize=13749
content-encoding
br
alt-svc
h3=":443"; ma=86400
referrer-policy
strict-origin-when-cross-origin,origin
cf-bgj
minify
last-modified
Tue, 21 Feb 2023 20:45:24 GMT
cross-origin-opener-policy
same-origin
server
cloudflare
etag
W/"63f52d64-35b5"
vary
Accept-Encoding
content-type
text/css; charset="utf-8"
access-control-allow-origin
*
cache-control
max-age=315360000, public, immutable
cf-ray
81062c861ff82bd1-FRA
Python-3.12-Cool-New-Features_Watermarked.608b58320f27.jpg
realpython.com/cdn-cgi/image/width=960,format=auto/https://files.realpython.com/media/ 		52 KB
52 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://realpython.com/cdn-cgi/image/width=960,format=auto/https://files.realpython.com/media/Python-3.12-Cool-New-Features_Watermarked.608b58320f27.jpg
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:10::ac43:2b37 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
05d5d4646f33853194378649458b8b847ba9aa77f24587f81b526198606ed2c1
Security Headers
Name Value
Content-Security-Policy default-src 'none'; navigate-to 'none'; form-action 'none'
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:16 GMT
content-security-policy
default-src 'none'; navigate-to 'none'; form-action 'none'
x-content-type-options
nosniff
cf-cache-status
HIT
alt-svc
h3=":443"; ma=86400
content-length
53249
cf-resized
internal=ok/h q=0 n=21+253 c=0+0 v=2023.9.8 l=53249
last-modified
Mon, 02 Oct 2023 15:54:54 GMT
cf-bgj
imgq:85,h2pri
server
cloudflare
etag
"cf8AoT_0yWeKByP2S6d1jP7sMqHnO8OAwleghwGR7mDQ:608b58320f27512376e81875d0071eaf"
vary
Accept, Accept-Encoding
content-type
image/avif
cache-control
max-age=315360000, public, immutable
accept-ranges
bytes
cf-ray
81062c864cfb3a64-FRA
js
www.googletagmanager.com/gtag/ 		266 KB
89 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.googletagmanager.com/gtag/js?id=G-L7L6L5F6Y6
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82f::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Tag Manager /
Resource Hash
c8e128200457f9df43c606f57d63bacc9006af60c643b7ab244815befc75bad4
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:16 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
server
Google Tag Manager
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
private, max-age=900
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
access-control-allow-headers
Cache-Control
content-length
91228
x-xss-protection
0
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
expires
Tue, 03 Oct 2023 15:21:16 GMT
real-python-logo.893c30edea53.svg
realpython.com/static/ 		9 KB
4 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://realpython.com/static/real-python-logo.893c30edea53.svg
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:10::ac43:2b37 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
d05a3837bd4aaac19b6f097df5127954e2822ce9c886c5175865e9a4eb327c8e
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:16 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
via
1.1 vegur
age
13742871
content-encoding
br
alt-svc
h3=":443"; ma=86400
referrer-policy
strict-origin-when-cross-origin,origin
last-modified
Tue, 21 Feb 2023 20:45:23 GMT
server
cloudflare
cross-origin-opener-policy
same-origin
etag
W/"63f52d63-2439"
vary
Accept-Encoding
content-type
image/svg+xml
access-control-allow-origin
*
cache-control
max-age=315360000, public, immutable
cf-ray
81062c866d0c3a64-FRA
analytics.js
www.google-analytics.com/ 		52 KB
21 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.google-analytics.com/analytics.js
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:810::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
de36e50194320a7d3ef1ace9bd34a875a8bd458b253c061979dd628e9bf49afd
Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

strict-transport-security
max-age=10886400; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
date
Tue, 03 Oct 2023 13:44:21 GMT
last-modified
Mon, 12 Jun 2023 18:23:07 GMT
server
Golfe2
age
5815
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
content-length
20994
expires
Tue, 03 Oct 2023 15:44:21 GMT
Source_Sans_Pro_400.b40f21a99756.woff2
realpython.com/static/gfonts/ 		20 KB
20 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://realpython.com/static/gfonts/Source_Sans_Pro_400.b40f21a99756.woff2
Requested by
Host: realpython.com
URL: https://realpython.com/static/gfonts/font.5ac42994de49.css
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:10::ac43:2b37 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
9beb040d8d954c78f79c216d4a6316b6f469ea66cb4e4549816432e277f27f3a
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://realpython.com/
Origin
https://realpython.com
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:16 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
via
1.1 vegur
age
19328210
alt-svc
h3=":443"; ma=86400
referrer-policy
strict-origin-when-cross-origin,origin
last-modified
Tue, 21 Feb 2023 20:45:23 GMT
server
cloudflare
cross-origin-opener-policy
same-origin
etag
W/"63f52d63-5010"
vary
Accept-Encoding
content-type
font/woff2
access-control-allow-origin
*
cache-control
max-age=315360000, public, immutable
cf-ray
81062c868d203a64-FRA
fontawesome-webfont.af7ae505a9ee.woff2
realpython.com/static/fonts/ 		75 KB
76 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://realpython.com/static/fonts/fontawesome-webfont.af7ae505a9ee.woff2?v=4.7.0
Requested by
Host: realpython.com
URL: https://realpython.com/static/realpython.min.2a653ded9c17.css
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:10::ac43:2b37 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
2adefcbc041e7d18fcf2d417879dc5a09997aa64d675b7a3c4b6ce33da13f3fe
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://realpython.com/
Origin
https://realpython.com
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:16 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
via
1.1 vegur
age
13743003
alt-svc
h3=":443"; ma=86400
referrer-policy
strict-origin-when-cross-origin,origin
last-modified
Tue, 21 Feb 2023 20:45:23 GMT
server
cloudflare
cross-origin-opener-policy
same-origin
etag
W/"63f52d63-12d68"
vary
Accept-Encoding
content-type
font/woff2
access-control-allow-origin
*
cache-control
max-age=315360000, public, immutable
cf-ray
81062c868d243a64-FRA
Source_Sans_Pro_700.be532c665784.woff2
realpython.com/static/gfonts/ 		20 KB
20 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://realpython.com/static/gfonts/Source_Sans_Pro_700.be532c665784.woff2
Requested by
Host: realpython.com
URL: https://realpython.com/static/gfonts/font.5ac42994de49.css
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:10::ac43:2b37 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
d378e98d1110341e90d75e8ef09678a7082c5834100f0f148552aeec7aa02ac7
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://realpython.com/
Origin
https://realpython.com
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:16 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
via
1.1 vegur
age
19328210
alt-svc
h3=":443"; ma=86400
referrer-policy
strict-origin-when-cross-origin,origin
last-modified
Tue, 21 Feb 2023 20:45:23 GMT
server
cloudflare
cross-origin-opener-policy
same-origin
etag
W/"63f52d63-4ed8"
vary
Accept-Encoding
content-type
font/woff2
access-control-allow-origin
*
cache-control
max-age=315360000, public, immutable
cf-ray
81062c868d293a64-FRA
Source_Sans_Pro_400italic.7a33ef412472.woff2
realpython.com/static/gfonts/ 		20 KB
20 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://realpython.com/static/gfonts/Source_Sans_Pro_400italic.7a33ef412472.woff2
Requested by
Host: realpython.com
URL: https://realpython.com/static/gfonts/font.5ac42994de49.css
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:10::ac43:2b37 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
7524c7ae664d5d9461d8c8701be178420456e750317f232b52a00c0530c54097
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://realpython.com/
Origin
https://realpython.com
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:16 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
via
1.1 vegur
age
19328210
alt-svc
h3=":443"; ma=86400
referrer-policy
strict-origin-when-cross-origin,origin
last-modified
Tue, 21 Feb 2023 20:45:23 GMT
server
cloudflare
cross-origin-opener-policy
same-origin
etag
W/"63f52d63-4ef4"
vary
Accept-Encoding
content-type
font/woff2
access-control-allow-origin
*
cache-control
max-age=315360000, public, immutable
cf-ray
81062c868d2b3a64-FRA
pytrick-dict-merge.4201a0125a5e.png
realpython.com/static/ 		18 KB
18 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://realpython.com/static/pytrick-dict-merge.4201a0125a5e.png
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:10::ac43:2b37 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
542e2cbe2227ee7f529a835c09112a038e2ebeb9997ba492f7f104d9d0a16407
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:16 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
via
1.1 vegur
age
13742941
cf-polished
origFmt=png, origSize=28169
content-disposition
inline; filename="pytrick-dict-merge.webp"
alt-svc
h3=":443"; ma=86400
content-length
18306
referrer-policy
strict-origin-when-cross-origin,origin
cf-bgj
imgq:85,h2pri
last-modified
Wed, 01 Mar 2023 00:29:23 GMT
cross-origin-opener-policy
same-origin
server
cloudflare
etag
"63fe9c63-6e09"
vary
Accept
content-type
image/webp
access-control-allow-origin
*
cache-control
max-age=315360000, public, immutable
accept-ranges
bytes
cf-ray
81062c871dbe3a64-FRA
rw.bea76ad0e23f.js
realpython.com/static/frontend/reader/ 		2 KB
1 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://realpython.com/static/frontend/reader/rw.bea76ad0e23f.js
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:10::ac43:2b37 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
0c01c7604292b7c676da14cce3e8b99482135c2c41b4fb009ae0f1befdd7c3b1
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:16 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
via
1.1 vegur
age
8973860
content-encoding
br
alt-svc
h3=":443"; ma=86400
referrer-policy
strict-origin-when-cross-origin,origin
last-modified
Wed, 21 Jun 2023 18:28:02 GMT
server
cloudflare
cross-origin-opener-policy
same-origin
etag
W/"64934132-705"
vary
Accept-Encoding
content-type
text/javascript; charset="utf-8"
access-control-allow-origin
*
cache-control
max-age=315360000, public, immutable
cf-ray
81062c875df03a64-FRA
jquery.min.00727d1d5d9c.js
realpython.com/static/ 		88 KB
32 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://realpython.com/static/jquery.min.00727d1d5d9c.js
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:10::ac43:2b37 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
a3cf00c109d907e543bc4f6dbc85eb31068f94515251347e9e57509b52ee3d74
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:16 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
via
1.1 vegur
age
13708777
content-encoding
br
alt-svc
h3=":443"; ma=86400
referrer-policy
strict-origin-when-cross-origin,origin
last-modified
Tue, 21 Feb 2023 20:45:24 GMT
server
cloudflare
cross-origin-opener-policy
same-origin
etag
W/"63f52d64-15e40"
vary
Accept-Encoding
content-type
text/javascript; charset="utf-8"
access-control-allow-origin
*
cache-control
max-age=315360000, public, immutable
cf-ray
81062c875df33a64-FRA
popper.min.47dc3aaf2942.js
realpython.com/static/ 		21 KB
8 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://realpython.com/static/popper.min.47dc3aaf2942.js
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:10::ac43:2b37 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
9bb27247a903da745a2171dfeaafd1d5dd6aae82dba5748baf34536a5bf14c0b
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:16 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
via
1.1 vegur
age
19328288
content-encoding
br
alt-svc
h3=":443"; ma=86400
referrer-policy
strict-origin-when-cross-origin,origin
last-modified
Tue, 21 Feb 2023 20:45:24 GMT
server
cloudflare
cross-origin-opener-policy
same-origin
etag
W/"63f52d64-52fe"
vary
Accept-Encoding
content-type
text/javascript; charset="utf-8"
access-control-allow-origin
*
cache-control
max-age=315360000, public, immutable
cf-ray
81062c875df53a64-FRA
bootstrap.min.a3b2689424c3.js
realpython.com/static/ 		61 KB
16 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://realpython.com/static/bootstrap.min.a3b2689424c3.js
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:10::ac43:2b37 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
1f4713596d3ac2be84684cc5fd35340cdf27f0474e2e7dbb2e2bfb920a3993e0
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:16 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
via
1.1 vegur
age
11826416
content-encoding
br
alt-svc
h3=":443"; ma=86400
referrer-policy
strict-origin-when-cross-origin,origin
last-modified
Tue, 21 Feb 2023 20:45:24 GMT
server
cloudflare
cross-origin-opener-policy
same-origin
etag
W/"63f52d64-f470"
vary
Accept-Encoding
content-type
text/javascript; charset="utf-8"
access-control-allow-origin
*
cache-control
max-age=315360000, public, immutable
cf-ray
81062c875dfb3a64-FRA
repl-toggle.925bef973b9c.js
realpython.com/static/frontend/reader/ 		976 B
794 B 		Script
General
Check archive.org
Download Go to
Full URL
https://realpython.com/static/frontend/reader/repl-toggle.925bef973b9c.js
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:10::ac43:2b37 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
103635cc947319ff056ac3b8783b7aa859c906a489ad0ec234ef1f4671c7a808
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:16 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
via
1.1 vegur
age
13745774
content-encoding
br
alt-svc
h3=":443"; ma=86400
referrer-policy
strict-origin-when-cross-origin,origin
last-modified
Tue, 21 Feb 2023 20:45:24 GMT
server
cloudflare
cross-origin-opener-policy
same-origin
etag
W/"63f52d64-3d0"
vary
Accept-Encoding
content-type
text/javascript; charset="utf-8"
access-control-allow-origin
*
cache-control
max-age=315360000, public, immutable
cf-ray
81062c875dfc3a64-FRA
lightbox.bab438c0f968.js
realpython.com/static/frontend/reader/ 		56 KB
16 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://realpython.com/static/frontend/reader/lightbox.bab438c0f968.js
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:10::ac43:2b37 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
279d512d36678cfccabe2ec9f80b309f740be8664fca34fd892f10fb773c4213
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:16 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
via
1.1 vegur
age
10826505
content-encoding
br
alt-svc
h3=":443"; ma=86400
referrer-policy
strict-origin-when-cross-origin,origin
last-modified
Tue, 21 Feb 2023 20:45:24 GMT
server
cloudflare
cross-origin-opener-policy
same-origin
etag
W/"63f52d64-dece"
vary
Accept-Encoding
content-type
text/javascript; charset="utf-8"
access-control-allow-origin
*
cache-control
max-age=315360000, public, immutable
cf-ray
81062c875dfd3a64-FRA
platforms-ui.b11202dc6079.js
realpython.com/static/frontend/reader/ 		725 B
613 B 		Script
General
Check archive.org
Download Go to
Full URL
https://realpython.com/static/frontend/reader/platforms-ui.b11202dc6079.js
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:10::ac43:2b37 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
5b62b52605f7e78c2ba0f047367376bca401bde3e582450af6ba7a0a01ac514b
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:16 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
via
1.1 vegur
age
19328288
content-encoding
br
alt-svc
h3=":443"; ma=86400
referrer-policy
strict-origin-when-cross-origin,origin
last-modified
Tue, 21 Feb 2023 20:45:24 GMT
server
cloudflare
cross-origin-opener-policy
same-origin
etag
W/"63f52d64-2d5"
vary
Accept-Encoding
content-type
text/javascript; charset="utf-8"
access-control-allow-origin
*
cache-control
max-age=315360000, public, immutable
cf-ray
81062c875dfe3a64-FRA
tag.js
srv.realpython.net/ 		11 KB
4 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://srv.realpython.net/tag.js
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::ac43:45f5 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
a4b60bc34d3c37880be5208e4956f498731a1448d4b16d019328da97afb24a9c
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:16 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
via
1.1 vegur
age
709
content-encoding
br
alt-svc
h3=":443"; ma=86400
referrer-policy
same-origin
last-modified
Wed, 19 Jul 2023 23:08:13 GMT
server
cloudflare
cross-origin-opener-policy
same-origin
etag
W/"64b86cdd-2b3e"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=aYGWpwmqdckN10UxV7KBKBr0v7Xe46Nyb%2FOE7g%2FBzuMjLRMoLccTPRzx7LNwLBQMEY6Xuo%2F1HC2g%2FX3w%2FPOGptxjPMvQFNZRAwWbxCoZ%2BLSkiv4AKzQ0P6z%2BR7tFlTlJh8oSH0ftJ4niHd4u9rPfrg%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
text/javascript; charset="utf-8"
access-control-allow-origin
*
cache-control
max-age=3600, s-maxage=900, public
cf-ray
81062c879d7f03b0-FRA
toc-refresh.f019e7905d90.js
realpython.com/static/frontend/reader/ 		1 KB
909 B 		Script
General
Check archive.org
Download Go to
Full URL
https://realpython.com/static/frontend/reader/toc-refresh.f019e7905d90.js
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:10::ac43:2b37 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
0a4cd75551e1c39857ca5891f979fbfb958798cb98168c9bd4187dc493fa93ad
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:16 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
via
1.1 vegur
age
12584226
content-encoding
br
alt-svc
h3=":443"; ma=86400
referrer-policy
strict-origin-when-cross-origin,origin
last-modified
Wed, 10 May 2023 23:37:37 GMT
server
cloudflare
cross-origin-opener-policy
same-origin
etag
W/"645c2ac1-49a"
vary
Accept-Encoding
content-type
text/javascript; charset="utf-8"
access-control-allow-origin
*
cache-control
max-age=315360000, public, immutable
cf-ray
81062c875dff3a64-FRA
completion-status.9e53f607e255.js
realpython.com/static/frontend/reader/ 		33 KB
11 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://realpython.com/static/frontend/reader/completion-status.9e53f607e255.js
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:10::ac43:2b37 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
f4c8981740b0e2c23edb0d2784614dbc6cdab609d7ba1e24117036174de12d3b
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:16 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
via
1.1 vegur
age
17351140
content-encoding
br
alt-svc
h3=":443"; ma=86400
referrer-policy
strict-origin-when-cross-origin,origin
last-modified
Thu, 16 Mar 2023 19:25:48 GMT
server
cloudflare
cross-origin-opener-policy
same-origin
etag
W/"64136d3c-853e"
vary
Accept-Encoding
content-type
text/javascript; charset="utf-8"
access-control-allow-origin
*
cache-control
max-age=315360000, public, immutable
cf-ray
81062c875e003a64-FRA
count.js
realpython.disqus.com/ 		1 KB
2 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://realpython.disqus.com/count.js
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
199.232.196.134 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
nginx /
Resource Hash
3487ef2baf0c08ba660a8a143cdeb8ebeec961eea04bccd7c49096b4eb26b875
Security Headers
Name Value
Strict-Transport-Security max-age=300; includeSubdomains
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

Date
Tue, 03 Oct 2023 15:21:16 GMT
Content-Encoding
gzip
X-Content-Type-Options
nosniff
Strict-Transport-Security
max-age=300; includeSubdomains
X-Amz-Cf-Pop
DFW3-C1
Age
188
Cross-Origin-Resource-Policy
cross-origin
Connection
keep-alive
Content-Length
871
X-XSS-Protection
1; mode=block
Last-Modified
Thu, 28 Sep 2023 12:43:18 GMT
Server
nginx
ETag
"651574e6-367"
Vary
Accept-Encoding
Content-Type
application/javascript; charset=utf-8
Cache-Control
public, max-age=300
Link
<https://disqus.com>; rel=preconnect, <https://c.disquscdn.com>; rel=preconnect
X-Amz-Cf-Id
-NowyUOU6uKjaiODlYs1BQ8Jrmi7eTIPfkhOOUuucnW9YqWZZkk8gg==
lazy-disqus.07ee9079f4a3.js
realpython.com/static/frontend/reader/ 		1 KB
840 B 		Script
General
Check archive.org
Download Go to
Full URL
https://realpython.com/static/frontend/reader/lazy-disqus.07ee9079f4a3.js
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:10::ac43:2b37 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
efa28276f88cbee7e54db7ecf6ffea7b31af6ca7277734a455191a8c07eeb754
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:16 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
via
1.1 vegur
age
13745774
content-encoding
br
alt-svc
h3=":443"; ma=86400
referrer-policy
strict-origin-when-cross-origin,origin
last-modified
Tue, 21 Feb 2023 20:45:24 GMT
server
cloudflare
cross-origin-opener-policy
same-origin
etag
W/"63f52d64-422"
vary
Accept-Encoding
content-type
text/javascript; charset="utf-8"
access-control-allow-origin
*
cache-control
max-age=315360000, public, immutable
cf-ray
81062c875e013a64-FRA
collect
www.google-analytics.com/j/ 		16 B
221 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://www.google-analytics.com/j/collect?v=1&_v=j101&aip=1&a=619127455&t=pageview&_s=1&dl=https%3A%2F%2Frealpython.com%2Fpython312-new-features%2F%3Futm_source%3Dnotification_summary%26utm_medium%3Demail%26utm_campaign%3D2023-10-03&ul=en-us&de=UTF-8&dt=Python%203.12%3A%20Cool%20New%20Features%20for%20You%20to%20Try%20%E2%80%93%20Real%20Python&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&_u=YEBAAEABAAAAACAAI~&jid=1169075425&gjid=221936345&cid=2055165347.1696346477&tid=UA-35184939-1&_gid=286319427.1696346477&_r=1&_slc=1&cd1=0&cd2=0&z=14472279
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
2a00:1450:4001:810::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
94cec8f2a79df97f0951e3bb93dfb2ce82539f1793c922dacc482c4cece22e67
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://realpython.com/
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36
Content-Type
text/plain

Response headers

pragma
no-cache
date
Tue, 03 Oct 2023 15:21:16 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://realpython.com
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
content-length
16
expires
Fri, 01 Jan 1990 00:00:00 GMT
collect
region1.google-analytics.com/g/ 		0
244 B 		Ping
General
Check archive.org
Download Go to
Full URL
https://region1.google-analytics.com/g/collect?v=2&tid=G-L7L6L5F6Y6&gtm=45je39r0&_p=619127455&cid=2055165347.1696346477&ul=en-us&sr=1600x1200&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&_s=1&sid=1696346476&sct=1&seg=0&dl=https%3A%2F%2Frealpython.com%2Fpython312-new-features%2F%3Futm_source%3Dnotification_summary%26utm_medium%3Demail%26utm_campaign%3D2023-10-03&dt=Python%203.12%3A%20Cool%20New%20Features%20for%20You%20to%20Try%20%E2%80%93%20Real%20Python&en=page_view&_fv=1&_ss=1&_ee=1
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-L7L6L5F6Y6
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2001:4860:4802:32::36 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

pragma
no-cache
date
Tue, 03 Oct 2023 15:21:16 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://realpython.com
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
content-length
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
count-data.js
realpython.disqus.com/ 		283 B
866 B 		Script
General
Check archive.org
Download Go to
Full URL
https://realpython.disqus.com/count-data.js?1=https%3A%2F%2Frealpython.com%2Fpython312-new-features%2F
Requested by
Host: realpython.disqus.com
URL: https://realpython.disqus.com/count.js
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
199.232.196.134 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
nginx /
Resource Hash
b772244af83ebf9957c09791dc4d922bf01c2ad81ec896080ce4357f2923b120
Security Headers
Name Value
Strict-Transport-Security max-age=300; includeSubdomains
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

Date
Tue, 03 Oct 2023 15:21:16 GMT
Strict-Transport-Security
max-age=300; includeSubdomains
X-Content-Type-Options
nosniff
Server
nginx
Age
313
X-Frame-Options
SAMEORIGIN
Vary
Accept-Encoding
p3p
CP="DSP IDC CUR ADM DELi STP NAV COM UNI INT PHY DEM"
Content-Type
application/javascript; charset=UTF-8
Cache-Control
public, max-age=600
Cross-Origin-Resource-Policy
cross-origin
Connection
keep-alive
Link
<https://disqus.com>; rel=preconnect, <https://c.disquscdn.com>; rel=preconnect
Content-Length
283
X-XSS-Protection
1; mode=block
main.js
realpython.com/cdn-cgi/challenge-platform/h/g/scripts/jsd/dffb14d6/ Frame AA92
Redirect Chain
  • https://realpython.com/cdn-cgi/challenge-platform/scripts/jsd/main.js
  • https://realpython.com/cdn-cgi/challenge-platform/h/g/scripts/jsd/dffb14d6/main.js
7 KB
3 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://realpython.com/cdn-cgi/challenge-platform/h/g/scripts/jsd/dffb14d6/main.js
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H3
Server
2606:4700:10::ac43:2b37 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e7c48a8fd59d625ec7ef698e3a2f4b787735a620f16b1c790a9fb55083c71391
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:17 GMT
content-encoding
br
x-content-type-options
nosniff
server
cloudflare
vary
accept-encoding
content-type
application/javascript; charset=UTF-8
cache-control
max-age=14400, public
cf-ray
81062c893ff93a64-FRA
alt-svc
h3=":443"; ma=86400

Redirect headers

date
Tue, 03 Oct 2023 15:21:16 GMT
server
cloudflare
vary
accept-encoding
location
/cdn-cgi/challenge-platform/h/g/scripts/jsd/dffb14d6/main.js
access-control-allow-origin
*
cache-control
max-age=300, public
cf-ray
81062c891fd13a64-FRA
alt-svc
h3=":443"; ma=86400
/
srv.realpython.net/call/ 		3 KB
1 KB 		XHR
General
Check archive.org
Download Go to
Full URL
https://srv.realpython.net/call/?d=eyJwIjoiNTg5NDYxMTYwNTIiLCJzIjpbIjF4MSIsIjh4MSIsIjR4MSIsIjh4MSIsIjh4MSIsIjh4MSIsIjh4MSIsIjh4MSIsIjh4MSIsIjh4MSIsIjh4MSIsIjh4MSJdfQ==
Requested by
Host: srv.realpython.net
URL: https://srv.realpython.net/tag.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:20::ac43:45f5 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
4bffebee38ce77abf0debf11dde3598e3842b0eead3df61936551bb6f3056929
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:17 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
DYNAMIC
via
1.1 vegur
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-encoding
br
alt-svc
h3=":443"; ma=86400
referrer-policy
same-origin
server
cloudflare
cross-origin-opener-policy
same-origin
access-control-max-age
86400
access-control-allow-methods
GET, OPTIONS
content-type
application/json
access-control-allow-origin
*
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=iAWztLbbXh5g9GQPuZHSN8NfRBudoJZ8Nd998dsVOyJ9mK%2F07HZN8RP3CPUC5%2FjremXKzO4bb1GKTAV18OM6xpnvDvVG041nx2V7qWW0HrMTe9IVCE%2BYYcmleuIhXWx3NB5GF08lUNuhgZlDMEnhJQ%3D%3D"}],"group":"cf-nel","max_age":604800}
cache-control
max-age=0, no-cache, no-store, must-revalidate, private
x-frame-options
DENY
cf-ray
81062c893ed03619-FRA
access-control-allow-headers
X-Requested-With, Content-Type
vary
Accept-Encoding
expires
Tue, 03 Oct 2023 15:21:17 GMT
collect
stats.g.doubleclick.net/j/ 		4 B
348 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://stats.g.doubleclick.net/j/collect?t=dc&aip=1&_r=3&v=1&_v=j101&tid=UA-35184939-1&cid=2055165347.1696346477&jid=1169075425&gjid=221936345&_gid=286319427.1696346477&_u=YEBAAEAAAAAAACAAI~&z=461891494
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
2a00:1450:400c:c02::9c Brussels, Belgium, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
84e01419bd81f32ac6df0f75f49c604fda9172000a3ae432b3c47b2a6a712d80
Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://realpython.com/
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36
Content-Type
text/plain

Response headers

pragma
no-cache
strict-transport-security
max-age=10886400; includeSubDomains; preload
date
Tue, 03 Oct 2023 15:21:17 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://realpython.com
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
content-length
4
expires
Fri, 01 Jan 1990 00:00:00 GMT
js
www.googletagmanager.com/gtag/ 		249 KB
84 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.googletagmanager.com/gtag/js?id=G-00HDMQ5TW1&cx=c&_slc=1
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
2a00:1450:4001:82f::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Tag Manager /
Resource Hash
0d1d4f1e7631317ae656a9715a37cf235e051895634622e376301103e2d73a7b
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:16 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
server
Google Tag Manager
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
private, max-age=900
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
access-control-allow-headers
Cache-Control
content-length
85799
x-xss-protection
0
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
expires
Tue, 03 Oct 2023 15:21:16 GMT
81062c83cdb02bd1
realpython.com/cdn-cgi/challenge-platform/h/g/jsd/r/ Frame AA92 		0
272 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://realpython.com/cdn-cgi/challenge-platform/h/g/jsd/r/81062c83cdb02bd1
Requested by
Host: realpython.com
URL: https://realpython.com/cdn-cgi/challenge-platform/scripts/jsd/main.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:10::ac43:2b37 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36
Content-Type
application/json

Response headers

date
Tue, 03 Oct 2023 15:21:17 GMT
content-encoding
br
server
cloudflare
cf-ray
81062c8ad9833a64-FRA
alt-svc
h3=":443"; ma=86400
content-type
text/plain; charset=UTF-8
ga-audiences
www.google.com/ads/ 		42 B
408 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.google.com/ads/ga-audiences?t=sr&aip=1&_r=4&slf_rd=1&v=1&_v=j101&tid=UA-35184939-1&cid=2055165347.1696346477&jid=1169075425&_u=YEBAAEAAAAAAACAAI~&z=1075409581
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:80e::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

pragma
no-cache
date
Tue, 03 Oct 2023 15:21:17 GMT
x-content-type-options
nosniff
server
cafe
content-type
image/gif
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control
no-cache, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
ga-audiences
www.google.de/ads/ 		42 B
408 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.google.de/ads/ga-audiences?t=sr&aip=1&_r=4&slf_rd=1&v=1&_v=j101&tid=UA-35184939-1&cid=2055165347.1696346477&jid=1169075425&_u=YEBAAEAAAAAAACAAI~&z=1075409581
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:812::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

pragma
no-cache
date
Tue, 03 Oct 2023 15:21:17 GMT
x-content-type-options
nosniff
server
cafe
content-type
image/gif
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control
no-cache, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
collect
region1.analytics.google.com/g/ 		0
45 B 		Ping
General
Check archive.org
Download Go to
Full URL
https://region1.analytics.google.com/g/collect?v=2&tid=G-00HDMQ5TW1&gtm=45je39r0&_p=619127455&_gaz=1&ul=en-us&sr=1600x1200&cid=2055165347.1696346477&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&_eu=ABAI&_s=1&dl=https%3A%2F%2Frealpython.com%2Fpython312-new-features%2F%3Futm_source%3Dnotification_summary%26utm_medium%3Demail%26utm_campaign%3D2023-10-03&dt=Python%203.12%3A%20Cool%20New%20Features%20for%20You%20to%20Try%20%E2%80%93%20Real%20Python&sid=1696346477&sct=1&seg=0&en=page_view&_fv=1&_ss=1&_ee=1&ep.ua_dimension_1=0&ep.ua_dimension_2=0
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-00HDMQ5TW1&cx=c&_slc=1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2001:4860:4802:32::36 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

pragma
no-cache
date
Tue, 03 Oct 2023 15:21:17 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://realpython.com
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
content-length
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
collect
stats.g.doubleclick.net/g/ 		0
47 B 		Ping
General
Check archive.org
Download Go to
Full URL
https://stats.g.doubleclick.net/g/collect?v=2&tid=G-00HDMQ5TW1&cid=2055165347.1696346477&gtm=45je39r0&aip=1
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-00HDMQ5TW1&cx=c&_slc=1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:400c:c02::9c Brussels, Belgium, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

pragma
no-cache
date
Tue, 03 Oct 2023 15:21:17 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://realpython.com
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
content-length
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
ga-audiences
www.google.de/ads/ 		42 B
107 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.google.de/ads/ga-audiences?v=1&t=sr&slf_rd=1&_r=4&tid=G-00HDMQ5TW1&cid=2055165347.1696346477&gtm=45je39r0&aip=1&z=1700601148
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:812::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

pragma
no-cache
date
Tue, 03 Oct 2023 15:21:17 GMT
x-content-type-options
nosniff
server
cafe
content-type
image/gif
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control
no-cache, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
61f48fc6daa0c8c1e593c9599937cdfd
img.realpython.net/ 		286 KB
283 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://img.realpython.net/61f48fc6daa0c8c1e593c9599937cdfd
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::ac43:45f5 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
065e00c96775ed5c08c9b5ba3759c4dfec9f956a4c009ddf0f09efb570f9cae5

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:17 GMT
content-encoding
br
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
x-amz-request-id
PT23EG01NGW7Z4H5
age
741298
x-amz-server-side-encryption
AES256
alt-svc
h3=":443"; ma=86400
x-amz-id-2
EN18HW7Nnym0yMm/rrVbr7kOAlG8A9TDGC6+88M0z1y3DBOiipuh699uZKvfh0yzRmdiAMRpIOo=
last-modified
Mon, 25 Sep 2023 01:11:49 GMT
server
cloudflare
etag
W/"61f48fc6daa0c8c1e593c9599937cdfd"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=rXzEFpQDfRx1E9fUFG8%2BNdSBxtOFGugHBa2%2FtRZ4kp8HusE9JaMkPFbIcNX9d0WtMYi8zZgyP3PifQzVLerWx0F9p3dhnL6DEg37E%2BYRT09Jc0%2BgxLyBoE7hd5JJ5smVkyBpey7wax0zoiiTLwifzg%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
text/plain
cache-control
max-age=315360000, public, immutable
cf-ray
81062c8bca2803b0-FRA
fbc90a30ce2f0d26090ec1ed0df11954
img.realpython.net/ 		63 KB
62 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://img.realpython.net/fbc90a30ce2f0d26090ec1ed0df11954
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::ac43:45f5 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
2a371f75614d47fbc4db37d8be97350377c9fb8c3f7ea632224995576467a0e1

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:17 GMT
content-encoding
br
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
x-amz-request-id
8BK3CGET6BCEFG4H
age
740993
x-amz-server-side-encryption
AES256
alt-svc
h3=":443"; ma=86400
x-amz-id-2
AJ6GhoCjmCTe/+JTB3Oqvj+FrrxY3F8luflmb9hbFPTuFz4LnjFRgbJSLqeaOA5fXFY99lYeOKE=
last-modified
Mon, 25 Sep 2023 01:11:49 GMT
server
cloudflare
etag
W/"fbc90a30ce2f0d26090ec1ed0df11954"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=ZlipjANGH2tKv3%2F4CJBlj86VuY96S9vMQVo6s9tg0%2BIFXKrJalf9UR7x2hGwjq%2BAYl27CcghqtISgBolfA5sIEJXiIn0ewglWZ7RYE8pbEAyiCVBZJ1GwS%2BCYcRcvJf3okMWH3Fi4TqI%2B%2FupH9imgQ%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
text/plain
cache-control
max-age=315360000, public, immutable
cf-ray
81062c8bca2903b0-FRA
257f65e32c1713399c59dacea36eb818
img.realpython.net/ 		30 KB
31 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://img.realpython.net/257f65e32c1713399c59dacea36eb818
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::ac43:45f5 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
32457d9e0e3e0f6768343251955915c9bb4a5b8064f87470fcfe8fea6a1e8724

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:17 GMT
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
x-amz-request-id
R5931T2SGBHBPF8R
age
17670071
cf-polished
origFmt=png, origSize=35278
alt-svc
h3=":443"; ma=86400
content-length
30862
x-amz-id-2
W82wL1mEeYaAjLJxJnbWMpUL+I7Dj51YBEyHCbAJkkn/wfd4NsOS42swK8MG/IeSPNdGf96EoFk=
cf-bgj
imgq:85,h2pri
last-modified
Wed, 29 May 2019 17:34:06 GMT
server
cloudflare
etag
"257f65e32c1713399c59dacea36eb818"
vary
Accept
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=kxcsLlMHqzc0yxOdV2P9PDB84621gdtpSmIcYcNGRLET%2F7N%2FE1XQ0Vg%2FlZo8zg5tkj93wMgkyT7poBHMdfaUaZgd7%2Bv8f9UjUQOYEV6EUQeFXVL3w%2BjMaUKZzmo9EKjzXtH06bOKmTghc63eOyxHlw%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/webp
cache-control
max-age=315360000, public, immutable
accept-ranges
bytes
cf-ray
81062c8bca3003b0-FRA
16bf1efe41b538fae54711c58c701f0e
img.realpython.net/ 		58 KB
59 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://img.realpython.net/16bf1efe41b538fae54711c58c701f0e
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::ac43:45f5 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e7692aabecf486da3ca9b59ea942ba3e626e5c83013f425f87c08554561ce2a8

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:17 GMT
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
x-amz-request-id
NCW4PKAZ4YYPP48R
age
38685217
cf-polished
origFmt=png, origSize=69853
alt-svc
h3=":443"; ma=86400
content-length
59672
x-amz-id-2
e/aWmrGbYUb4/GqYwEWDeF/eao6gsP/mnZPtW0xkW0J0+mcsMdu3x+4IajA1m1dyJJ8SamuBiCJAsHSDOIWN+w==
cf-bgj
imgq:85,h2pri
last-modified
Wed, 29 May 2019 17:40:42 GMT
server
cloudflare
etag
"16bf1efe41b538fae54711c58c701f0e"
vary
Accept
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=f4QRFSSsT40Wfke6Wh9fAxDZYwd7%2BH0bJqi7VM3T5lUrgBZElvBg42ElWHXgqTMGM8Ra8iliqfvVlLeD9oJYq5zL5XaJs00re05%2FclQkr04yeteCtEvz58ADKHgktvbfiyOAuic7gJlpbxtNror8wQ%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/webp
cache-control
max-age=315360000, public, immutable
accept-ranges
bytes
cf-ray
81062c8bca2f03b0-FRA
92bc368810c575854c12181ea43cecea
img.realpython.net/ 		56 KB
57 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://img.realpython.net/92bc368810c575854c12181ea43cecea
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::ac43:45f5 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
891ae5883b7156c555726726d914719bdd63c01bc5fd05831e5ee16051e9d4f4

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:17 GMT
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
x-amz-request-id
SQ8D19Z6AH31PMM5
age
10820160
cf-polished
origSize=57907, status=webp_bigger
alt-svc
h3=":443"; ma=86400
content-length
57456
x-amz-id-2
4IxIVKFRz02LfkIIa1SLJ0IVF1YnGZCmiWjR4Jv7Wbk7t8oO+3zRUm675/4g8kVOmdEioyyUcyMj0SUdSK9onVSJrqnfLoe9
cf-bgj
imgq:85,h2pri
last-modified
Tue, 02 Jun 2020 00:26:07 GMT
server
cloudflare
etag
"92bc368810c575854c12181ea43cecea"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=Bw%2BtN9Fk9HKgxyuswh%2BCTkpnRsY07dK207WLQw7ENiBYTrtKZLN8TKCy6ucxIWjEgEYcxYuyh%2FOoNv9wGk8u2fljNiNyqHnZ8jqRsKvcy5JYbsV6yCHXngOKq8535LZa3b7V5w5CYZGCTvNL2jV0ow%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/png
cache-control
max-age=315360000, public, immutable
accept-ranges
bytes
cf-ray
81062c8bca2d03b0-FRA
681db5178e811f0240f3775742f6b3b9
img.realpython.net/ 		24 KB
25 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://img.realpython.net/681db5178e811f0240f3775742f6b3b9
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::ac43:45f5 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
b1cec53f9cf9992aef407accaf3d5ff797734dd5858068108097fa79dbee8f0a

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:17 GMT
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
x-amz-request-id
74BNWSYRKV9G1WGK
age
31516369
cf-polished
qual=85, origFmt=jpeg, origSize=77687
alt-svc
h3=":443"; ma=86400
content-length
24842
x-amz-id-2
pU3k4N1ztDFqyAy/yzcyFNjo7eYC8BDBgVfJLdGV2pMn10PXavV0gRwQ7VQr+F3JFSODFzr4JnY=
cf-bgj
imgq:85,h2pri
last-modified
Thu, 25 Mar 2021 23:50:04 GMT
server
cloudflare
etag
"681db5178e811f0240f3775742f6b3b9"
vary
Accept
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=lRsowV5sngTupM%2BZY2i4LVyl%2F%2BRcCNpKqjQMjPvdGHdxiRpCpzT6%2FQIkEc%2FZdWyf%2B%2FFpVHkOMNqgt%2Fu1NUbWNi2kfVIvjk%2BT1lRkJRS12sVl1jlpe04OUcd0JX8hlkm9mK0Hd4SGzaL8RavFQ8HV%2FA%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/webp
cache-control
max-age=315360000, public, immutable
accept-ranges
bytes
cf-ray
81062c8bca2b03b0-FRA
80e19a8924e33dc994db2b63586bc3fc
img.realpython.net/ 		20 KB
20 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://img.realpython.net/80e19a8924e33dc994db2b63586bc3fc
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::ac43:45f5 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
3e9e62af6e1065d68b46fbd35adedc669838338fda91f5b8030c3f1fb1d95dd9

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:17 GMT
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
x-amz-request-id
SA4HHJNA61FBZXZ1
age
17669619
cf-polished
qual=85, origFmt=jpeg, origSize=65900
alt-svc
h3=":443"; ma=86400
content-length
19974
x-amz-id-2
jIoCrMXjRMJkGDydQLkoNmehbkwyf06SO4Ju+iW3Zd/T2OWN6XslLzExtd77QIi7qpUxuLThuuY=
cf-bgj
imgq:85,h2pri
last-modified
Thu, 25 Mar 2021 23:50:07 GMT
server
cloudflare
etag
"80e19a8924e33dc994db2b63586bc3fc"
vary
Accept
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=BG4gC2tQ2uOeEMgY9%2B4203VhYG%2F1U6EWMiGdGTFNqqDwXBiwCvqgVI%2BU5qLk16mRVNouKTwOOX5YdLhymIyCzUC3vnHp5ygPLAEfMLKNuz%2FYyXpzDB2%2F%2Bzq7DQCOykVCMemXE%2BgZsTYIf6GI8hM4cg%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/webp
cache-control
max-age=315360000, public, immutable
accept-ranges
bytes
cf-ray
81062c8bfa6d03b0-FRA
8c80de229a52f9edcdfefa85a454bbbe
img.realpython.net/ 		25 KB
26 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://img.realpython.net/8c80de229a52f9edcdfefa85a454bbbe
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::ac43:45f5 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
7e9c01e8d22e8744439590f2181069465958a54011dd2c81f03323a515ea27f5

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:17 GMT
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
x-amz-request-id
F6117YQHPQDNY66A
age
14985272
cf-polished
qual=85, origFmt=jpeg, origSize=76641
alt-svc
h3=":443"; ma=86400
content-length
25954
x-amz-id-2
RZ2FguEk2laaWIHbIGQRdBjYmzvWCJXEF2x7svOUhx0MWU3obeLDtXzK/LM0LZyjAg6y5inS4CQ=
cf-bgj
imgq:85,h2pri
last-modified
Fri, 09 Apr 2021 23:22:34 GMT
server
cloudflare
etag
"8c80de229a52f9edcdfefa85a454bbbe"
vary
Accept
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=m5heBSlhwEhhnHMY9GW3QeYfxoQmbOa4FfHi3BkE1Y3hj1GVMFoWb6edwbswYN7foFS8KV1eajFzT3JraO%2BM%2Bxil04p%2BCAsvO0aHHXWlCeYm26p1UsmuYyC9sZKk%2FC3EebDmmxX2oA%2FFay%2B6PTJ%2BIQ%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/webp
cache-control
max-age=315360000, public, immutable
accept-ranges
bytes
cf-ray
81062c8bfa6f03b0-FRA
fc3dcce3b30783158d89077cf5a8810e
img.realpython.net/ 		36 KB
37 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://img.realpython.net/fc3dcce3b30783158d89077cf5a8810e
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::ac43:45f5 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
4cd2332f2ed15650cb3e85cc54c4fb534670a89cff34f58000307f2e0fee74b7

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:17 GMT
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
x-amz-request-id
Q6BX43WYG2RQC8J7
age
53250650
cf-polished
origSize=41264, status=webp_bigger
alt-svc
h3=":443"; ma=86400
content-length
37080
x-amz-id-2
6G/0LT1Ara8nbeIlFpo1YECN0zVCz2cQZhO1TlW5tfBnXHEpC6k25aj9GVlrTA0ZXS4kvvrmBrs=
cf-bgj
imgq:85,h2pri
last-modified
Fri, 12 Oct 2018 23:17:56 GMT
server
cloudflare
etag
"fc3dcce3b30783158d89077cf5a8810e"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=9wcUvnJfXQ%2F7lzXYMDjh0vSga%2BzjTV9FJEKYH8T1R0BFJNeKcxoZ4ACcZwLbL9aRBj%2B1c6ZwdaNV4eAn1vqWHz4aMjW8RqVHBxN%2F4iWtdk4R7RnWbLzgEGW62sFpz%2BHswQtoS2xNx2GZbc4foS6MoA%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/jpeg
cache-control
max-age=315360000, public, immutable
accept-ranges
bytes
cf-ray
81062c8bfa7103b0-FRA
913fd28f526ec8aca047551bce4892b6
img.realpython.net/ 		25 KB
26 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://img.realpython.net/913fd28f526ec8aca047551bce4892b6
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::ac43:45f5 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e99f4ff7bf7d2f87fc3312343e8665d02bd0767cb343aa5934f3839e0a35b193

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:17 GMT
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
x-amz-request-id
BWF1R8WXP6283VTE
age
38685065
cf-polished
qual=85, origFmt=jpeg, origSize=53081
alt-svc
h3=":443"; ma=86400
content-length
26108
x-amz-id-2
Uo8r4ooWCbcpHjuWN6H4wX2VvwwF+rgvbr1A6C6jsIPBVuwW1AVzM0I0lZMjAQQEx7b+PM2jalI=
cf-bgj
imgq:85,h2pri
last-modified
Fri, 12 Oct 2018 23:10:01 GMT
server
cloudflare
etag
"913fd28f526ec8aca047551bce4892b6"
vary
Accept
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=xxBiHhWshS13%2BNVwbeivoqkfgXWIn9oGyNcIR1zrW70TvYoDBqpkeq7mJbqCVHuLAgZxirhrcMSZUofYGsBXHpV%2BykVzw7qUkzEL93UJI9rjHMr6fQE6S1eRbq55GtQhOEK8duVo3hBiVen73aibAg%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/webp
cache-control
max-age=315360000, public, immutable
accept-ranges
bytes
cf-ray
81062c8bfa7403b0-FRA
e8b8e877da2a454b3a6930fecd28c95c
img.realpython.net/ 		36 KB
37 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://img.realpython.net/e8b8e877da2a454b3a6930fecd28c95c
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::ac43:45f5 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
bf96f2d831097a23d3b6407c3c131364772b9807ca88373e820cf961ea17ff59

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:17 GMT
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
x-amz-request-id
G7TEWYNCGGP6JFX1
age
17038494
cf-polished
origSize=41311, status=webp_bigger
alt-svc
h3=":443"; ma=86400
content-length
37248
x-amz-id-2
8mfvdFp0uTYx+AyFbLul5FYO3+8+PQ5FljivrA6v+maNIisAJi+FN9NzQaWeo3cLpkGxoQKC74A=
cf-bgj
imgq:85,h2pri
last-modified
Fri, 12 Oct 2018 23:15:51 GMT
server
cloudflare
etag
"e8b8e877da2a454b3a6930fecd28c95c"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=dfFJzd8mPB9xK6jDTGDlXO69IB7NloTjS%2FOpIyDy83tq56LjN7GRWA3fdkZfV0PVXaglp%2Bi1yCdjxbsGVZ7yuQuSQ3C1m3JpsgKgNlTSpah6WGB76v7vCnP3U32fI2j3iplo%2BxfLdhe8QJJmf2dtLA%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/jpeg
cache-control
max-age=315360000, public, immutable
accept-ranges
bytes
cf-ray
81062c8bfa7503b0-FRA
39d33f31dff9ce5e91d62b0a7b0c7420
img.realpython.net/ 		22 KB
23 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://img.realpython.net/39d33f31dff9ce5e91d62b0a7b0c7420
Requested by
Host: realpython.com
URL: https://realpython.com/python312-new-features/?utm_source=notification_summary&utm_medium=email&utm_campaign=2023-10-03
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::ac43:45f5 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
5f24c056c0589f9eb3aff10d3e48250fa78001fc130557ed7c26f1cefb8e1f09

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date
Tue, 03 Oct 2023 15:21:17 GMT
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
x-amz-request-id
TNNWHCQMTC0X23XZ
age
14591339
cf-polished
qual=85, origFmt=jpeg, origSize=48087
alt-svc
h3=":443"; ma=86400
content-length
22834
x-amz-id-2
81GMSyNS73t2u8moQfjLuK9Dg6qRvunzTNNmzPV9LccCdIEvrEAica1S24ryhBciUff7rp9IevfCsIpLNPqJdQ==
cf-bgj
imgq:85,h2pri
last-modified
Thu, 27 Sep 2018 08:00:53 GMT
server
cloudflare
etag
"39d33f31dff9ce5e91d62b0a7b0c7420"
vary
Accept
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=0V0eSNSa26IVW62HEB7%2BbLoMpKCS2iFyX0HUmQoYbZHqhsUESOiVf6aKoU4%2FRxwOyina8HUdiEzgFSmESbwNfIdROGxcz64qSF9EEubvkUCuROBmriEY53VJUvhNAxyqsMzg05P3IaIB9dtasI5HcA%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/webp
cache-control
max-age=315360000, public, immutable
accept-ranges
bytes
cf-ray
81062c8bfa7603b0-FRA
/
srv.realpython.net/imp/35879483880/ 		0
0 		Ping
General
Check archive.org
Download Go to
Full URL
https://srv.realpython.net/imp/35879483880/?c=1042024526&p=58946116052&r=97243
Requested by
Host: srv.realpython.net
URL: https://srv.realpython.net/tag.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:20::ac43:45f5 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
/
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://realpython.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

Verdicts & Comments Add Verdict or Comment

23 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| 0 object| documentPictureInPicture string| GoogleAnalyticsObject function| ga function| gtag object| dataLayer object| google_tag_data object| gaplugins object| gaGlobal object| gaData function| $ function| jQuery object| google_tag_manager function| Popper object| bootstrap string| rp_prop_id function| disqus_config string| disqus_script_url function| onYouTubeIframeAPIReady object| DISQUSWIDGETS undefined| disqus_domain undefined| disqus_shortname function| onDisqusReady

8 Cookies

Domain/Path Name / Value
realpython.com/ Name: csrftoken
Value: As564mgf31CjoCrF0oF7lYuO2TvluLwR
realpython.com/ Name: origin
Value: notification_summary-email-2023-10-03
.realpython.com/ Name: _gid
Value: GA1.2.286319427.1696346477
.realpython.com/ Name: _gat
Value: 1
.realpython.com/ Name: _ga_L7L6L5F6Y6
Value: GS1.1.1696346476.1.0.1696346476.0.0.0
.realpython.com/ Name: _ga
Value: GA1.1.2055165347.1696346477
.realpython.com/ Name: cf_clearance
Value: HphKXCZzWVdNCjBFwCKynp1htvchtcnjwpew53KgEYQ-1696346477-0-1-2d7db03a.dd2f6b09.dbb8216-0.2.1696346477
.realpython.com/ Name: _ga_00HDMQ5TW1
Value: GS1.2.1696346477.1.0.1696346477.60.0.0

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-Frame-Options SAMEORIGIN

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

img.realpython.net
links.realpython.com
realpython.com
realpython.disqus.com
region1.analytics.google.com
region1.google-analytics.com
srv.realpython.net
stats.g.doubleclick.net
www.google-analytics.com
www.google.com
www.google.de
www.googletagmanager.com
199.232.196.134
2001:4860:4802:32::36
2606:4700:10::6816:11ab
2606:4700:10::ac43:2b37
2606:4700:20::ac43:45f5
2a00:1450:4001:80e::2004
2a00:1450:4001:810::200e
2a00:1450:4001:812::2003
2a00:1450:4001:82f::2008
2a00:1450:400c:c02::9c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