bigbluebutton.org
Virtual Classroom Software | BigBlueButton
Last scanned Jul 26, 2026, 5:47 AM
Overall score
Great
Summary
BigBlueButton is an open source virtual classroom software. This website uses WordPress hosted on DigitalOcean. SEO is excellent (100/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (90/100).
BigBlueButton is an open source virtual classroom software. This platform was developed for virtual learning and education. Try it today!
- United States
- Hosted on DigitalOcean
Top issues to fix
5 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
4 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
0 issue(s) found
Performance
677 ms
Security
HTTPS & header checks
Accessibility
0 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
- Virtual Classroom Software | BigBlueButton
- Description
- BigBlueButton is an open source virtual classroom software. This platform was developed for virtual learning and education. Try it today!
- Canonical
- https://bigbluebutton.org/
- Language
- en-US
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- DigitalOcean
- CDN provider
- —
- IP address
- 104.248.105.210
- ASN
- AS14061 (DIGITALOCEAN-ASN - DigitalOcean, LLC, US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- bigbluebutton.org
- Valid from
- Jun 14, 2026
- Valid to
- Sep 12, 2026
- Days until expiry
- 48
- SAN domains
- bigbluebutton.org, www.bigbluebutton.org
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 25 · H3 10
Links
29 internal · 18 external · 4 broken
Images
35 total · 0 missing alt
Scripts / Styles
35 scripts · 53 stylesheets
JS / CSS size
258 KB · 330 KB
Page size
259 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
No SEO issues detected.
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://bigbluebutton.org
- Final URL
- https://bigbluebutton.org
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 672 ms
- HTML size
- 259 KB
- Redirect chain
- https://bigbluebutton.org
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does bigbluebutton.org use?
- bigbluebutton.org is built with WordPress, jQuery, Apache.
- Is bigbluebutton.org secure (HTTPS)?
- Yes. bigbluebutton.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 12, 2026.
- Who hosts bigbluebutton.org?
- bigbluebutton.org is hosted on DigitalOcean.
- What is bigbluebutton.org's SEO score?
- bigbluebutton.org scored 100/100 for SEO in the latest analysis (excellent).
- What is bigbluebutton.org's overall website score?
- bigbluebutton.org has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card