edstem.org
Ed Discussion
Last scanned Jul 26, 2026, 3:19 PM
Overall score
Great
Summary
Ed Discussion helps scale course communication in a beautiful and intuitive interface. This website is hosted on Cloudflare. SEO is fair (55/100) and accessibility is excellent (90/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.
Ed Discussion helps scale course communication in a beautiful and intuitive interface. Questions reach and benefit all students in the class. Less email, more time saved.
- United States
- Hosted on Cloudflare
Top issues to fix
8 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.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
+2 more issues — details in the sections below.
SEO
7 issue(s) found
Performance
160 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
Ed Discussion helps scale course communication in a beautiful and intuitive interface. Questions reach and benefit all students in the class. Less email, more time saved.
Contact
Email, phone, and address published on this site's own pages.
Source: https://edstem.org/contact
Meta tags
- Title
- Ed Discussion
- Description
- Ed Discussion helps scale course communication in a beautiful and intuitive interface. Questions reach and benefit all students in the class. Less email, more time saved.
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width,user-scalable=no,initial-scale=1
- Robots meta
- Manifest
- https://edstem.org/manifest.d3e46ded.webmanifest
Technologies
Detected frameworks, languages, and tools.
No technologies detected.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.18.2.201
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- edstem.org
- Valid from
- Jul 3, 2026
- Valid to
- Oct 1, 2026
- Days until expiry
- 66
- SAN domains
- *.corp.edstem.org, *.edstem.org, edstem.org
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsMissing
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 0 · H3 0
Links
0 internal · 0 external · 0 broken
Images
0 total · 0 missing alt
Scripts / Styles
8 scripts · 1 stylesheets
JS / CSS size
0 B · 568 B
Page size
12.8 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not 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://edstem.org
- Final URL
- https://edstem.org
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 160 ms
- HTML size
- 12.8 KB
- Redirect chain
- https://edstem.org
See something wrong on this report? Request a correction
Related websites
Same hosting provider
gentlemansgazette.com
Gentleman's Gazette | Website & Shop For Classic Gentlemen
gearset.com
Gearset | The complete Salesforce DevOps solution
hackertarget.com
28 Online Vulnerability Scanners & Network Tools
righttoinformation.wiki
File any RTI in India · RTI Wiki
geaerospace.com
GE Aerospace - Home | GE Aerospace
joingy.com
Joingy: Random Video Chat Roulette • Stranger Cam Chat
Frequently asked questions
- What technology does edstem.org use?
- We did not detect any specific technologies for edstem.org in the latest scan.
- Is edstem.org secure (HTTPS)?
- Yes. edstem.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 1, 2026.
- Who hosts edstem.org?
- edstem.org is hosted on Cloudflare, behind Cloudflare CDN.
- What is edstem.org's SEO score?
- edstem.org scored 55/100 for SEO in the latest analysis (fair).
- What is edstem.org's overall website score?
- edstem.org has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.
- Is edstem.org hiring?
- edstem.org has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card