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dataquest.io

Dataquest: Data Science Courses: Learn 10x Faster

Last scanned Aug 4, 2026, 6:00 AM · 21 views

95

Overall score

Excellent

Summary

98% of learners recommend Dataquest for learning Python, R programming, SQL, data engineering, data science, and more. This website uses WordPress hosted on Google Cloud. SEO is excellent (100/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (90/100).

98% of learners recommend Dataquest for learning Python, R programming, SQL, data engineering, data science, and more.

United States
Hosted on Google Cloud

Top issues to fix

1 issue 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.

100

SEO

0 issue(s) found

90

Performance

1.10 s

90

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

0 overall since Jul 27, 2026

Overall
95
SEO
100
Security
90
Performance
90
Accessibility
100

Organization

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

98% of learners recommend Dataquest for learning Python, R programming, SQL, data engineering, data science, and more.

Meta tags

Title
Dataquest: Data Science Courses: Learn 10x Faster
Description
98% of learners recommend Dataquest for learning Python, R programming, SQL, data engineering, data science, and more.
Canonical
https://www.dataquest.io/
Language
en
Charset
UTF-8
Viewport
width=device-width, initial-scale=1.0, viewport-fit=cover
Robots meta
index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
Manifest
https://www.dataquest.io/site.webmanifest

OpenGraph & Twitter Card

OpenGraph

og:title
Dataquest: Data Science Courses: Learn 10x Faster
og:description
98% of learners recommend Dataquest for learning Python, R programming, SQL, data engineering, data science, and more.
og:type
website
og:url
https://www.dataquest.io/

Twitter Card

twitter:card
summary_large_image
twitter:title
Dataquest: Data Science Courses: Learn 10x Faster
twitter:description
98% of learners recommend Dataquest for learning Python, R programming, SQL, data engineering, data science, and more.

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider
Google Cloud
CDN provider
IP address
34.75.44.126
ASN
AS396982 (GOOGLE-CLOUD-PLATFORM - Google LLC, US)

DNS records

TypeValue
A
  • 34.75.44.126
AAAA
MX
TXT
NS
CAA
CNAME
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
www.dataquest.io
Valid from
Jul 9, 2026
Valid to
Oct 7, 2026
Days until expiry
63
SAN domains
www.dataquest.io

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 7 · H3 11

Links

75 internal · 17 external · 0 broken

Images

24 total · 0 missing alt

Scripts / Styles

18 scripts · 1 stylesheets

JS / CSS size

90.1 KB · 86.3 KB

Page size

293 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
2
sitemap.xml
Found
URLs in sitemap
-1

SEO issues

No SEO issues detected.

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://dataquest.io
Final URL
https://www.dataquest.io/
HTTP status
200
HTTP version
HTTP/2
Response time
1.09 s
HTML size
293 KB
Redirect chain
https://dataquest.io → https://www.dataquest.io/

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Frequently asked questions

What technology does dataquest.io use?
dataquest.io is built with Astro, WordPress, Google Analytics, Cloudflare Analytics.
Is dataquest.io secure (HTTPS)?
Yes. dataquest.io uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 7, 2026.
Who hosts dataquest.io?
dataquest.io is hosted on Google Cloud.
What is dataquest.io's SEO score?
dataquest.io scored 100/100 for SEO in the latest analysis (excellent).
What is dataquest.io's overall website score?
dataquest.io has an overall SiteGraph score of 95/100, combining SEO, performance, security, and accessibility.
Has dataquest.io's score changed over time?
dataquest.io's overall score has stayed steady at 95/100 since Jul 27, 2026.