What technology does century21.fr use?

century21.fr is built with Django, Google Analytics.

Is century21.fr secure (HTTPS)?

Yes. century21.fr uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Mar 15, 2027.

Who hosts century21.fr?

century21.fr is hosted on IKOULA - Ikoula Net SAS, FR.

What is century21.fr's SEO score?

century21.fr scored 75/100 for SEO in the latest analysis (fair).

What is century21.fr's overall website score?

century21.fr has an overall SiteGraph score of 80/100, combining SEO, performance, security, and accessibility.

Has century21.fr's score changed over time?

century21.fr's overall score has declined by 1 point (from 81 to 80) since Jul 26, 2026.

century21.fr

Agences immobilières CENTURY 21 - Immobilier et annonces immobilières de vente, d’achat, et de location

Last scanned Aug 3, 2026, 7:00 PM · 11 views

Overall score

Great

Summary

Bienvenue chez CENTURY 21, réseau d’agences immobilières qui vous proposent leur expertise que ce soit à la vente, l’achat, la location, la gestion locative et le syndic. This website uses Google Analytics hosted on IKOULA - Ikoula Net SAS, FR. SEO is good (75/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance good (85/100). Top issue: Title longer than 60 characters.

Bienvenue chez CENTURY 21, réseau d’agences immobilières qui vous proposent leur expertise que ce soit à la vente, l’achat, la location, la gestion locative et le syndic. Venez confier votre projet immobilier de vente d’appartement ou de maison, nos meilleurs agents immobiliers sauront estimer gratuitement la valeur de votre bien et vous prodiguer des conseils. Trouvez ici la meilleure agence qui vous correspondra grâce aux avis de ses clients.

France

Hosted on IKOULA - Ikoula Net SAS, FR

Top issues to fix

9 issues found · 2 high priority

Missing Strict-Transport-Security header
Security
Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
Security
Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Title longer than 60 characters
SEO
Shorten the title to under 60 characters so search results don't truncate it.
Meta description longer than 160 characters
SEO
Trim the meta description to under 160 characters to avoid truncation in search results.

+3 more issues — details in the sections below.

SEO

4 issue(s) found

Performance

292 ms

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

-1 overall since Jul 26, 2026

Overall: 80
SEO: 75
Security: 65
Performance: 85
Accessibility: 100

Organization

Company details published in this site's own structured data.

Facebook Instagram X (Twitter)LinkedIn YouTube LinkedIn

Contact

Email, phone, and address published on this site's own pages.

Source: https://www.century21.fr/edito/location-maison/

Meta tags

Title: Agences immobilières CENTURY 21 - Immobilier et annonces immobilières de vente, d’achat, et de location
Description: Bienvenue chez CENTURY 21, réseau d’agences immobilières qui vous proposent leur expertise que ce soit à la vente, l’achat, la location, la gestion locative et le syndic. Venez confier votre projet immobilier de vente d’appartement ou de maison, nos meilleurs agents immobiliers sauront estimer gratuitement la valeur de votre bien et vous prodiguer des conseils. Trouvez ici la meilleure agence qui vous correspondra grâce aux avis de ses clients.
Canonical
Language: fr
Charset: utf-8
Viewport: width=device-width, initial-scale=1, maximum-scale=3.0
Robots meta: index, follow
Manifest

Technologies

Detected frameworks, languages, and tools.

Django Google Analytics

Hosting & CDN

Hosting provider: IKOULA - Ikoula Net SAS, FR
CDN provider: —
IP address: 80.93.93.100
ASN: AS21409 (IKOULA - Ikoula Net SAS, FR)

DNS records

Type	Value
A	80.93.93.100
AAAA	—
MX	—
TXT	—
NS	—
CAA	—
CNAME	—
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.3
Issuer: DigiCert Inc
Subject: www.century21.fr
Valid from: Feb 16, 2026
Valid to: Mar 15, 2027
Days until expiry: 224
SAN domains: www.century21.fr, century21.fr, www.lesmeilleurstalents.com, www.century21-pro.com, c21fr.com

Security headers

Strict-Transport-SecurityMissing
Content-Security-PolicyMissing
X-Frame-OptionsMissing
X-Content-Type-OptionsMissing
Referrer-PolicyMissing
Permissions-PolicyMissing

Compression: gzip · 1 cookie(s) observed

Content & assets

Headings

H1 1 · H2 6 · H3 12

Links

74 internal · 32 external · 1 broken

Images

9 total · 0 missing alt

Scripts / Styles

18 scripts · 3 stylesheets

JS / CSS size

1.3 MB · 143 KB

Page size

129 KB

Robots.txt & Sitemap

robots.txt: Found
Disallow rules: 54
sitemap.xml: Found
URLs in sitemap: -1

SEO issues

Title longer than 60 characters
Meta description longer than 160 characters
Missing canonical link
No structured data (JSON-LD) found

Scan details

Requested URL: https://century21.fr
Final URL: https://www.century21.fr/
HTTP status: 200
HTTP version: HTTP/2
Response time: 290 ms
HTML size: 129 KB
Redirect chain: https://century21.fr → https://www.century21.fr/

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Frequently asked questions

What technology does century21.fr use?: century21.fr is built with Django, Google Analytics.
Is century21.fr secure (HTTPS)?: Yes. century21.fr uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Mar 15, 2027.
Who hosts century21.fr?: century21.fr is hosted on IKOULA - Ikoula Net SAS, FR.
What is century21.fr's SEO score?: century21.fr scored 75/100 for SEO in the latest analysis (fair).
What is century21.fr's overall website score?: century21.fr has an overall SiteGraph score of 80/100, combining SEO, performance, security, and accessibility.
Has century21.fr's score changed over time?: century21.fr's overall score has declined by 1 point (from 81 to 80) since Jul 26, 2026.