dcode.fr
dCode - Solveurs, Crypto, Maths, Codes, Calculs en Ligne
Last scanned Jul 26, 2026, 12:19 PM
Overall score
Excellent
Summary
dCode est le site universel pour déchiffrer des messages codés, tricher aux jeux de lettres, résoudre des énigmes, géocaches et chasses au trésor, etc. This website uses PHP. SEO is excellent (90/100) and accessibility is excellent (95/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: robots.txt not found.
dCode
dCode est le site universel pour déchiffrer des messages codés, tricher aux jeux de lettres, résoudre des énigmes, géocaches et chasses au trésor, etc.
Top issues to fix
6 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 viewport meta tag
AccessibilityAdd <meta name="viewport" content="width=device-width, initial-scale=1"> — without it the site is broken on mobile.
1 cookie without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
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.
20 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
2 issue(s) found
Performance
273 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
dCode
dCode est le site universel pour déchiffrer des messages codés, tricher aux jeux de lettres, résoudre des énigmes, géocaches et chasses au trésor, etc.
- Founded
- Jan 1, 2009
Meta tags
- Title
- dCode - Solveurs, Crypto, Maths, Codes, Calculs en Ligne
- Description
- dCode est le site universel pour déchiffrer des messages codés, tricher aux jeux de lettres, résoudre des énigmes, géocaches et chasses au trésor, etc.
- Canonical
- https://www.dcode.fr/
- Language
- fr
- Charset
- UTF-8
- Viewport
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- 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
- Let's Encrypt
- Subject
- www.dcode.fr
- Valid from
- Jun 23, 2026
- Valid to
- Sep 21, 2026
- Days until expiry
- 54
- SAN domains
- www.dcode.fr
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 1 · H2 12 · H3 3
Links
71 internal · 4 external · 20 broken
Images
13 total · 0 missing alt
Scripts / Styles
21 scripts · 3 stylesheets
JS / CSS size
2.8 KB · 30 B
Page size
35.7 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
- Missing viewport meta tag
Scan details
- Requested URL
- https://dcode.fr
- Final URL
- https://www.dcode.fr/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 273 ms
- HTML size
- 35.7 KB
- Redirect chain
- https://dcode.fr → https://www.dcode.fr/
See something wrong on this report? Request a correction
Related websites
Same technology stack
mmaglobal.com
Marketing + Media Alliance / MMA
freefiremania.com.br
Free Fire (FF): Notícias, Codiguins, Eventos e Guias | Free Fire Mania
yousician.com
Yousician | Learn Guitar, Piano, Ukulele With The Songs you Love
ics.com
ICS
independent.co.ug
HOME: Independent magazine Uganda; Cutting edge Opinions & Analysis
cloud4mobile.com.br
Mobiltec | Gerenciamento de Dispositivos Móveis (MDM)
Frequently asked questions
- What technology does dcode.fr use?
- dcode.fr is built with PHP, jQuery, Google Analytics, Google Ads.
- Is dcode.fr secure (HTTPS)?
- Yes. dcode.fr uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 21, 2026.
- Who hosts dcode.fr?
- Hosting provider information for dcode.fr is not available yet.
- What is dcode.fr's SEO score?
- dcode.fr scored 90/100 for SEO in the latest analysis (excellent).
- What is dcode.fr's overall website score?
- dcode.fr has an overall SiteGraph score of 94/100, combining SEO, performance, security, and accessibility.
- What company operates dcode.fr?
- dcode.fr is operated by dCode. dCode est le site universel pour déchiffrer des messages codés, tricher aux jeux de lettres, résoudre des énigmes, géocaches et chasses au trésor, etc.
OpenGraph & Twitter Card
OpenGraph
Twitter Card