chessable.com
Chessable - Where Science Meets Chess
Last scanned Jul 26, 2026, 5:47 AM
Overall score
Great
Summary
This website uses Google Analytics hosted on Cloudflare behind Cloudflare CDN. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Missing meta description.
- United States
- Hosted on Cloudflare
Top issues to fix
5 issues found · 2 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
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.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
SEO
4 issue(s) found
Performance
559 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Contact
Email, phone, and address published on this site's own pages.
Source: https://www.chessable.com/help
Meta tags
- Title
- Chessable - Where Science Meets Chess
- Description
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1, shrink-to-fit=no, maximum-scale=1
- Robots meta
- Manifest
- https://www.chessable.com/manifest.json
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 172.67.75.227
- 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
- chessable.com
- Valid from
- Jun 4, 2026
- Valid to
- Sep 2, 2026
- Days until expiry
- 35
- SAN domains
- *.chessable.com, *.sandbox.chessable.com, *.sandbox2.chessable.com, chessable.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 6 · H3 0
Links
61 internal · 2 external · 0 broken
Images
76 total · 0 missing alt
Scripts / Styles
25 scripts · 1 stylesheets
JS / CSS size
341 KB · 59.0 KB
Page size
67.0 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 23
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing meta description
- Missing canonical link
- No structured data (JSON-LD) 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://chessable.com
- Final URL
- https://www.chessable.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 558 ms
- HTML size
- 67.0 KB
- Redirect chain
- https://chessable.com → https://www.chessable.com/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does chessable.com use?
- chessable.com is built with jQuery, Google Analytics.
- Is chessable.com secure (HTTPS)?
- Yes. chessable.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 2, 2026.
- Who hosts chessable.com?
- chessable.com is hosted on Cloudflare, behind Cloudflare CDN.
- What is chessable.com's SEO score?
- chessable.com scored 70/100 for SEO in the latest analysis (fair).
- What is chessable.com's overall website score?
- chessable.com has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.
- Is chessable.com hiring?
- chessable.com has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card