gameknot.com
Play Chess Online - Free Online Chess on GameKnot
Last scanned Jul 26, 2026, 5:47 AM
Overall score
Great
Summary
Play chess online against other players, or vs computer; compete in chess tournaments, league, ladder, teams; solve chess puzzles, tactics, annotated games and more. This website uses Google Analytics behind Cloudflare CDN. SEO is excellent (90/100) and accessibility is good (85/100). Security scores good (75/100) and performance excellent (100/100). Top issue: robots.txt not found.
GameKnot
Play chess online against other players, or vs computer; compete in chess tournaments, league, ladder, teams; solve chess puzzles, tactics, annotated games and more
Top issues to fix
7 issues found · 1 high priority
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.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
More than 20% of images are missing alt text
AccessibilityAdd alt attributes to the remaining images (use alt="" for purely decorative ones).
+1 more issue — details in the sections below.
SEO
2 issue(s) found
Performance
721 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
GameKnot
Play chess online against other players, or vs computer; compete in chess tournaments, league, ladder, teams; solve chess puzzles, tactics, annotated games and more
Meta tags
- Title
- Play Chess Online - Free Online Chess on GameKnot
- Description
- Play chess online! Join the premier online chess battleground. Play chess games online with friends or compete in chess tournaments and more, FREE!
- Canonical
- https://gameknot.com/
- Language
- en
- Charset
- UTF-8
- Viewport
- width=device-width
- Robots meta
- noodp,noydir
- Manifest
- https://gameknot.com/manifest.240605.json
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Cloudflare
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Google Trust Services
- Subject
- gameknot.com
- Valid from
- Jul 27, 2026
- Valid to
- Oct 25, 2026
- Days until expiry
- 88
- SAN domains
- gameknot.com, *.gameknot.com
Security headers
- Strict-Transport-SecurityEnabled
- 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 3 · H3 0
Links
26 internal · 5 external · 20 broken
Images
22 total · 5 missing alt
Scripts / Styles
17 scripts · 1 stylesheets
JS / CSS size
6.0 KB · 407 B
Page size
26.7 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- More than 20% of images are missing alt text
Scan details
- Requested URL
- https://gameknot.com
- Final URL
- https://gameknot.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 721 ms
- HTML size
- 26.7 KB
- Redirect chain
- https://gameknot.com
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does gameknot.com use?
- gameknot.com is built with Google Analytics, Cloudflare Analytics.
- Is gameknot.com secure (HTTPS)?
- Yes. gameknot.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 25, 2026.
- Who hosts gameknot.com?
- Hosting provider information for gameknot.com is not available yet.
- What is gameknot.com's SEO score?
- gameknot.com scored 90/100 for SEO in the latest analysis (excellent).
- What is gameknot.com's overall website score?
- gameknot.com has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.
- What company operates gameknot.com?
- gameknot.com is operated by GameKnot. Play chess online against other players, or vs computer; compete in chess tournaments, league, ladder, teams; solve chess puzzles, tactics, annotated games and more
OpenGraph & Twitter Card
OpenGraph
Twitter Card