schoolhouse.world
Schoolhouse | Free Online Tutoring
Last scanned Jul 27, 2026, 2:43 PM · 1 view
Overall score
Fair
Summary
Schoolhouse.world, founded by Sal Khan of Khan Academy, is the world’s largest peer-led tutoring platform. This website uses Google Analytics hosted on Cloudflare behind Cloudflare CDN. SEO is fair (70/100) and accessibility is excellent (90/100). Security scores good (80/100) and performance fair (70/100). Top issue: Meta description longer than 160 characters.
Schoolhouse.world, founded by Sal Khan of Khan Academy, is the world’s largest peer-led tutoring platform. High school students come for free academic support and stay for real, human connection with peers around the world.
- United States
- Hosted on Cloudflare
Top issues to fix
8 issues found · 3 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
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.
Very heavy page (3.5 MB)
PerformanceCompress images (WebP/AVIF), lazy-load below-the-fold media, and trim unused JavaScript.
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.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+2 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
359 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
Schoolhouse.world, founded by Sal Khan of Khan Academy, is the world’s largest peer-led tutoring platform. High school students come for free academic support and stay for real, human connection with peers around the world.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Schoolhouse | Free Online Tutoring
- Description
- Schoolhouse.world, founded by Sal Khan of Khan Academy, is the world’s largest peer-led tutoring platform. High school students come for free academic support and stay for real, human connection with peers around the world.
- Canonical
- https://schoolhouse.world/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width
- Robots meta
- max-image-preview:large
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.26.12.198
- 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
- schoolhouse.world
- Valid from
- Jul 12, 2026
- Valid to
- Oct 10, 2026
- Days until expiry
- 75
- SAN domains
- schoolhouse.world, *.schoolhouse.world
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 1 · H3 0
Links
38 internal · 10 external · 6 broken
Images
143 total · 0 missing alt
Scripts / Styles
21 scripts · 0 stylesheets
JS / CSS size
238 KB · 2.7 MB
Page size
3.5 MB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 18
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- No H1 heading found
- No structured data (JSON-LD) 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.
Team
People listed on this site's own team or about page.
Sal Khan
Founder / CEO
Sal Khan
Founder / CEO
Sal Khan
Founder / CEO
Sal Khan
Founder / CEO
About Us
Partnerships
Scan details
- Requested URL
- https://schoolhouse.world
- Final URL
- https://schoolhouse.world
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 286 ms
- HTML size
- 3.5 MB
- Redirect chain
- https://schoolhouse.world
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does schoolhouse.world use?
- schoolhouse.world is built with Google Analytics, Cloudflare Analytics, Meta Pixel.
- Is schoolhouse.world secure (HTTPS)?
- Yes. schoolhouse.world uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 10, 2026.
- Who hosts schoolhouse.world?
- schoolhouse.world is hosted on Cloudflare, behind Cloudflare CDN.
- What is schoolhouse.world's SEO score?
- schoolhouse.world scored 70/100 for SEO in the latest analysis (fair).
- What is schoolhouse.world's overall website score?
- schoolhouse.world has an overall SiteGraph score of 77/100, combining SEO, performance, security, and accessibility.
- Is schoolhouse.world hiring?
- schoolhouse.world has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card