classroom66.com
Classroom66
Last scanned Jul 26, 2026, 12:19 PM
Overall score
Great
Summary
This website uses Nuxt hosted on Cloudflare behind Cloudflare CDN. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance good (80/100). Top issue: No structured data (JSON-LD) found.
- United States
- Hosted on Cloudflare
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.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
SEO
1 issue(s) found
Performance
564 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Classroom66
- Description
- Canonical
- https://classroom66.com/
- Language
- en
- 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
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.21.60.239
- 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
- Google Trust Services
- Subject
- classroom66.com
- Valid from
- Jul 21, 2026
- Valid to
- Oct 19, 2026
- Days until expiry
- 82
- SAN domains
- classroom66.com, *.classroom66.com
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 0 · H3 0
Links
8 internal · 0 external · 0 broken
Images
6 total · 0 missing alt
Scripts / Styles
12 scripts · 9 stylesheets
JS / CSS size
268 KB · 885 KB
Page size
982 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 9
- sitemap.xml
- Found
- URLs in sitemap
- 8
SEO issues
- No structured data (JSON-LD) found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://classroom66.com
- Final URL
- https://classroom66.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 544 ms
- HTML size
- 982 KB
- Redirect chain
- https://classroom66.com
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does classroom66.com use?
- classroom66.com is built with Vue.js, Nuxt, Google Analytics, Google Ads.
- Is classroom66.com secure (HTTPS)?
- Yes. classroom66.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 19, 2026.
- Who hosts classroom66.com?
- classroom66.com is hosted on Cloudflare, behind Cloudflare CDN.
- What is classroom66.com's SEO score?
- classroom66.com scored 90/100 for SEO in the latest analysis (excellent).
- What is classroom66.com's overall website score?
- classroom66.com has an overall SiteGraph score of 83/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card