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SGSiteGraph

python.ca

Welcome to Python.org

Last scanned Jul 21, 2026, 12:13 PM

87

Overall score

Great

Top issues to fix

6 issues found · 1 high priority

  • Missing Content-Security-Policy header

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • Missing X-Content-Type-Options header

    Security

    Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.

  • Missing canonical link

    SEO

    Add <link rel="canonical"> so search engines know which URL variant to index.

  • Multiple H1 headings found

    SEO

    Keep a single H1 per page and demote the others to H2/H3.

  • sitemap.xml not found

    SEO

    Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

  • 2 broken links on the page

    SEO

    Fix or remove broken links — they waste crawl budget and erode user trust.

Summary

The official home of the Python Programming Language. This website uses Nginx hosted on Fastly behind Fastly CDN. SEO is good (85/100) and accessibility is excellent (100/100). Security scores good (85/100) and performance good (80/100). Top issue: Missing canonical link.

85

SEO

3 issue(s) found

80

Performance

2.37 s

85

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

LinkedInX (Twitter)

Contact

Email, phone, and address published on this site's own pages.

Source: https://www.python.org/help

Meta tags

Title
Welcome to Python.org
Description
The official home of the Python Programming Language
Canonical
Language
en
Charset
utf-8
Viewport
width=device-width, initial-scale=1.0
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
Welcome to Python.org
og:description
The official home of the Python Programming Language
og:type
website
og:url
https://www.python.org/

Twitter Card

twitter:card
—
twitter:title
—
twitter:description
—

Technologies

Detected frameworks, languages, and tools.

jQueryNginx

Hosting & CDN

Hosting provider
Fastly
CDN provider
Fastly
IP address
151.101.128.223
ASN
AS54113 (FASTLY - Fastly, Inc., US)

DNS records

TypeValue
A
  • 151.101.128.223
  • 151.101.0.223
  • 151.101.192.223
  • 151.101.64.223
AAAA
  • 2a04:4e42:200::223
  • 2a04:4e42:400::223
  • 2a04:4e42:600::223
  • 2a04:4e42::223
MX—
TXT—
NS—
CAA—
CNAME
  • dualstack.python.map.fastly.net
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
GlobalSign nv-sa
Subject
www.python.org
Valid from
Jan 13, 2026
Valid to
Feb 14, 2027
Days until expiry
208
SAN domains
www.python.org, *.python.org, python.org

Security headers

  • Strict-Transport-SecurityEnabled
  • Content-Security-PolicyMissing
  • X-Frame-OptionsEnabled
  • X-Content-Type-OptionsMissing
  • Referrer-PolicyMissing
  • Permissions-PolicyMissing

Compression: none · 0 cookie(s) observed

Content & assets

Headings

H1 5 · H2 9 · H3 0

Links

66 internal · 66 external · 2 broken

Images

1 total · 0 missing alt

Scripts / Styles

10 scripts · 4 stylesheets

JS / CSS size

439 KB · 510 KB

Page size

51.3 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
6
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • Missing canonical link
  • Multiple H1 headings found
  • sitemap.xml not found

Accessibility issues

No accessibility issues detected.

Careers

View careers page
RoleLocationPosted
Back end——
Big Data——
Front end——
Image Processing——
Machine Learning——
Numeric processing——
Text Processing——
Developer / Engineer——
Manager / Executive——
Researcher / Scientist——
Bangalore, Pune – India——
Columbus, Ohio – United States——
Durham, North Carolina – USA——
Glasgow, Scotland – United Kingdom——
Hamburg – Germany——
Illinois, Chicago – United States——
LATAM – LATAM——
London – UK——
London – United Kingdom——
Montreal, QC – Canada——
Remote – Argentina——
REMOTE – REMOTE——
Remote – Anywhere——
Remote – Remote——
Remote – UK——
Remote – United States——
San Francisco, CA – United States——
Suitland, MD – United States——
Toronto, Ontario – Canada——
Victoria – Canada——
Worldwide – Worldwide——
Python + TypeScript Engineers——
Senior AI-Augmented Full Stack Developer——
Senior Backend Python Engineer——
Full-Stack Engineer——
Senior Python Engineer——
Computational Photonics Engineer——
Senior Python Developer——
Python Machine Learning Engineer——
Python Developer——
Data Acquisition & Infrastructure Engineer——
Agentic AI Scientist——
Senior Python AI/ML Engineer| Hybrid| Full-time——
Founding ML/Data Scientist (Remote, UK)——
Principal Modeler – Model Development——
Founding Engineer——
Senior Back-End Python Engineer - FULLY REMOTE-WORLDWIDE——
Senior Fullstack Software Engineer——
Subscribe via RSS——

Scan details

Requested URL
https://python.ca
Final URL
https://www.python.org/
HTTP status
200
HTTP version
HTTP/2
Response time
2.36 s
HTML size
51.3 KB
Redirect chain
https://python.ca → http://www.python.org/ → https://www.python.org/

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Frequently asked questions

What technology does python.ca use?
python.ca is built with jQuery, Nginx.
Is python.ca secure (HTTPS)?
Yes. python.ca uses TLS 1.3 with a certificate issued by GlobalSign nv-sa, valid until Feb 14, 2027.
Who hosts python.ca?
python.ca is hosted on Fastly, behind Fastly CDN.
What is python.ca's SEO score?
python.ca scored 85/100 for SEO in the latest analysis (great).
What is python.ca's overall website score?
python.ca has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.
Is python.ca hiring?
Yes. python.ca has 49 open roles listed on their careers page.