edx.org
edX | Online Courses, Certificates & Degrees from Leading Institutions
Last scanned Jul 21, 2026, 11:40 AM · 1 view
Overall score
Great
Top issues to fix
4 issues found · 1 high priority
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
2 cookies without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
Heavy page (2.4 MB)
PerformanceAim for under 2 MB: compress images and split large JavaScript bundles.
Summary
Find the online learning path for you, delivered by world-class institutions like Harvard, Google, Amazon, and more. This website uses Next.js hosted on AWS behind Cloudflare CDN. SEO is good (85/100) and accessibility is excellent (90/100). Security scores excellent (100/100) and performance fair (55/100). Top issue: Title longer than 60 characters.
SEO
2 issue(s) found
Performance
2.68 s
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- edX | Online Courses, Certificates & Degrees from Leading Institutions
- Description
- Find the online learning path for you, delivered by world-class institutions like Harvard, Google, Amazon, and more.
- Canonical
- https://www.edx.org
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- AWS
- CDN provider
- Cloudflare
- IP address
- 108.158.46.97
- ASN
- AS16509 (AMAZON-02 - Amazon.com, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT | — |
| NS |
|
| CAA | — |
| CNAME |
|
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Amazon
- Subject
- proxy.violet.rveducation.io
- Valid from
- Sep 21, 2025
- Valid to
- Oct 20, 2026
- Days until expiry
- 91
- SAN domains
- proxy.violet.rveducation.io, www.edx.org
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 3 cookie(s) observed
Content & assets
Headings
H1 0 · H2 7 · H3 0
Links
79 internal · 13 external · 0 broken
Images
51 total · 0 missing alt
Scripts / Styles
343 scripts · 12 stylesheets
JS / CSS size
2.2 MB · 1.1 KB
Page size
2.4 MB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 31
- sitemap.xml
- Found
- URLs in sitemap
- 9570
SEO issues
- Title longer than 60 characters
- No H1 heading found
Accessibility issues
- No H1 heading found
Careers
This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.
Scan details
- Requested URL
- https://edx.org
- Final URL
- https://www.edx.org/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 2.63 s
- HTML size
- 2.4 MB
- Redirect chain
- https://edx.org → https://www.edx.org/
Related websites
Same technology stack
intuit.com
Intuit®: Outdo your financial goals—all in one place
giantpanda.com
GiANT PANDA | Domain Traffic Monetization for Domainers
walmart.ca
Online Shopping Canada: Everyday Low Prices at Walmart.ca!
sky.com
Discover TV, Broadband & Mobile Phone Packages with Sky
crazygames.com
Free Online Games on CrazyGames | Play Now!
claude.com
Claude
Same hosting provider
flippingbook.com
FlippingBook | Flipbook Maker for Digital Publishing
giantpanda.com
GiANT PANDA | Domain Traffic Monetization for Domainers
datadoghq.com
Cloud Monitoring as a Service | Datadog
opera.com
Opera Web Browser | Faster, Safer, Smarter | Opera
formstack.com
Secure and Easy-to-use Forms, Docs & eSignatures | Formstack
flipsnack.com
Online Flipbook Maker - Create Interactive Flipbooks | Flipsnack
Frequently asked questions
- What technology does edx.org use?
- edx.org is built with Next.js.
- Is edx.org secure (HTTPS)?
- Yes. edx.org uses TLS 1.3 with a certificate issued by Amazon, valid until Oct 20, 2026.
- Who hosts edx.org?
- edx.org is hosted on AWS, behind Cloudflare CDN.
- What is edx.org's SEO score?
- edx.org scored 85/100 for SEO in the latest analysis (great).
- What is edx.org's overall website score?
- edx.org has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.
- Is edx.org hiring?
- edx.org has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card