codingame.com
Coding Games and Programming Challenges to Code Better
Last scanned Jul 26, 2026, 5:18 AM
Overall score
Fair
Summary
CodinGame is a challenge-based training platform for programmers where you can play with the hottest programming topics. This website uses Cloudflare 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 good (75/100). Top issue: Meta description longer than 160 characters.
CodinGame is a challenge-based training platform for programmers where you can play with the hottest programming topics. Solve games, code AI bots, learn from your peers, have fun.
- United States
- Hosted on Cloudflare
Top issues to fix
7 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.
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.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
2 cookies without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
+1 more issue — details in the sections below.
SEO
4 issue(s) found
Performance
442 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
CodinGame is a challenge-based training platform for programmers where you can play with the hottest programming topics. Solve games, code AI bots, learn from your peers, have fun.
Meta tags
- Title
- Coding Games and Programming Challenges to Code Better
- Description
- CodinGame is a challenge-based training platform for programmers where you can play with the hottest programming topics. Solve games, code AI bots, learn from your peers, have fun.
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width
- Robots meta
- index, follow
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.20.25.57
- 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
- www.codingame.com
- Valid from
- Jul 13, 2026
- Valid to
- Oct 11, 2026
- Days until expiry
- 77
- SAN domains
- www.codingame.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 2 cookie(s) observed
Content & assets
Headings
H1 0 · H2 0 · H3 0
Links
0 internal · 0 external · 0 broken
Images
0 total · 0 missing alt
Scripts / Styles
9 scripts · 2 stylesheets
JS / CSS size
2.9 MB · 770 KB
Page size
13.1 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 49
- sitemap.xml
- Found
- URLs in sitemap
- 4544
SEO issues
- Meta description longer than 160 characters
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://codingame.com
- Final URL
- https://www.codingame.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 442 ms
- HTML size
- 13.1 KB
- Redirect chain
- https://codingame.com → https://www.codingame.com/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does codingame.com use?
- codingame.com is built with Cloudflare Analytics.
- Is codingame.com secure (HTTPS)?
- Yes. codingame.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 11, 2026.
- Who hosts codingame.com?
- codingame.com is hosted on Cloudflare, behind Cloudflare CDN.
- What is codingame.com's SEO score?
- codingame.com scored 70/100 for SEO in the latest analysis (fair).
- What is codingame.com's overall website score?
- codingame.com has an overall SiteGraph score of 78/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card