What technology does irsn.fr use?

We did not detect any specific technologies for irsn.fr in the latest scan.

Is irsn.fr secure (HTTPS)?

Yes. irsn.fr uses TLS 1.3 with a certificate issued by Acme Co, valid until Jul 23, 2027.

Hosting provider information for irsn.fr is not available yet.

What is irsn.fr's SEO score?

irsn.fr scored 60/100 for SEO in the latest analysis (fair).

What is irsn.fr's overall website score?

irsn.fr has an overall SiteGraph score of 78/100, combining SEO, performance, security, and accessibility.

irsn.fr

Service en maintenance - ASNR

Last scanned Jul 26, 2026, 1:49 PM

Overall score

Fair

Summary

SEO is fair (60/100) and accessibility is excellent (100/100). Security scores fair (60/100) and performance excellent (100/100). Top issue: Missing meta description.

Top issues to fix

6 issues found · 1 high priority

Missing meta description
SEO
Add a ~150-character meta description to control your search-result snippet and lift click-through rate.
Missing canonical link
SEO
Add <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEO
Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.
Missing OpenGraph tags
SEO
Add og:title/og:description/og:image so shared links render a proper preview card.
robots.txt not found
SEO
Publish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEO
Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

SEO

6 issue(s) found

100

Performance

785 ms

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

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: Acme Co
Subject: Kubernetes Ingress Controller Fake Certificate
Valid from: Jul 23, 2026
Valid to: Jul 23, 2027
Days until expiry: 359
SAN domains: ingress.local

Security headers

Strict-Transport-SecurityEnabled
Content-Security-PolicyEnabled
X-Frame-OptionsEnabled
X-Content-Type-OptionsEnabled
Referrer-PolicyEnabled
Permissions-PolicyMissing

Compression: none · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 0 · H3 0

Links

0 internal · 0 external · 0 broken

Images

1 total · 0 missing alt

Scripts / Styles

0 scripts · 0 stylesheets

JS / CSS size

0 B · 1.7 KB

Page size

2.3 KB

Robots.txt & Sitemap

robots.txt: Not found
Disallow rules: 0
sitemap.xml: Not found
URLs in sitemap: 0

SEO issues

Missing meta description
Missing canonical link
No structured data (JSON-LD) found
Missing OpenGraph tags
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://irsn.fr
Final URL: https://irsn.fr
HTTP status: 404
HTTP version: HTTP/2
Response time: 785 ms
HTML size: 2.3 KB
Redirect chain: https://irsn.fr

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Frequently asked questions

What technology does irsn.fr use?: We did not detect any specific technologies for irsn.fr in the latest scan.
Is irsn.fr secure (HTTPS)?: Yes. irsn.fr uses TLS 1.3 with a certificate issued by Acme Co, valid until Jul 23, 2027.
Who hosts irsn.fr?: Hosting provider information for irsn.fr is not available yet.
What is irsn.fr's SEO score?: irsn.fr scored 60/100 for SEO in the latest analysis (fair).
What is irsn.fr's overall website score?: irsn.fr has an overall SiteGraph score of 78/100, combining SEO, performance, security, and accessibility.