rero.ch
RERO+
Last scanned Jul 26, 2026, 5:18 AM · 2 views
Overall score
Excellent
Summary
RERO+ : Le centre de compétences suisse au service des bibliothèques. This website uses Nginx hosted on Switch - SWITCH, CH. SEO is good (75/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (90/100). Top issue: Multiple H1 headings found.
RERO+ : Le centre de compétences suisse au service des bibliothèques
- Switzerland
- Hosted on Switch - SWITCH, CH
Top issues to fix
5 issues found
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
1 broken link on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
4 issue(s) found
Performance
321 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
Source: https://www.rero.ch/en/support
Meta tags
- Title
- RERO+
- Description
- RERO+ : Le centre de compétences suisse au service des bibliothèques
- Canonical
- https://www.rero.ch/en
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1, shrink-to-fit=no
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Switch - SWITCH, CH
- CDN provider
- —
- IP address
- 153.109.157.121
- ASN
- AS559 (Switch - SWITCH, CH)
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.rero.ch
- Valid from
- Jun 9, 2026
- Valid to
- Sep 7, 2026
- Days until expiry
- 40
- SAN domains
- www.rero.ch
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyEnabled
Compression: none · 1 cookie(s) observed
Content & assets
Headings
H1 2 · H2 7 · H3 0
Links
21 internal · 14 external · 1 broken
Images
20 total · 0 missing alt
Scripts / Styles
10 scripts · 4 stylesheets
JS / CSS size
146 KB · 480 KB
Page size
34.6 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 8
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Multiple H1 headings found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Careers
This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.
Scan details
- Requested URL
- https://rero.ch
- Final URL
- https://www.rero.ch
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 321 ms
- HTML size
- 34.6 KB
- Redirect chain
- https://rero.ch → https://www.rero.ch
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does rero.ch use?
- rero.ch is built with Google Analytics, Nginx.
- Is rero.ch secure (HTTPS)?
- Yes. rero.ch uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 7, 2026.
- Who hosts rero.ch?
- rero.ch is hosted on Switch - SWITCH, CH.
- What is rero.ch's SEO score?
- rero.ch scored 75/100 for SEO in the latest analysis (fair).
- What is rero.ch's overall website score?
- rero.ch has an overall SiteGraph score of 90/100, combining SEO, performance, security, and accessibility.
- Is rero.ch hiring?
- rero.ch has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card