edstem.org
Ed Discussion
Last scanned Aug 3, 2026, 11:00 PM · 9 views
Overall score
Great
Summary
Ed Discussion helps scale course communication in a beautiful and intuitive interface. This website uses Vue.js hosted on Cloudflare behind Cloudflare CDN. SEO is fair (65/100) and accessibility is excellent (100/100). 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
7 issues found
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.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
+1 more issue — details in the sections below.
SEO
6 issue(s) found
Performance
7 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
+5 overall since Jul 26, 2026
- Overall
- 87
- SEO
- 65
- Security
- 90
- Performance
- 100
- Accessibility
- 100
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.
- team@edstem.org
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.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.18.3.201
- 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
- 58
- 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 1 · H2 0 · H3 6
Links
11 internal · 0 external · 0 broken
Images
24 total · 4 missing alt
Scripts / Styles
8 scripts · 8 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 structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
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
- 7 ms
- HTML size
- 12.8 KB
- Redirect chain
- https://edstem.org
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does edstem.org use?
- edstem.org is built with Vue.js.
- 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 65/100 for SEO in the latest analysis (fair).
- What is edstem.org's overall website score?
- edstem.org has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.
- Has edstem.org's score changed over time?
- edstem.org's overall score has improved by 5 points (from 82 to 87) since Jul 26, 2026.
- Is edstem.org hiring?
- edstem.org has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card