Is irb.hr secure (HTTPS)?

Yes. irb.hr uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 27, 2026.

Hosting provider information for irb.hr is not available yet.

What is irb.hr's SEO score?

irb.hr scored 70/100 for SEO in the latest analysis (fair).

What is irb.hr's overall website score?

irb.hr has an overall SiteGraph score of 90/100, combining SEO, performance, security, and accessibility.

irb.hr

Početna - Institut Ruđer Bošković

Last scanned Jul 26, 2026, 5:47 AM

Overall score

Excellent

Summary

Institut je najveći hrvatski znanstveno-istraživački centar multidisciplinarnog karaktera. This website uses Nginx behind Fastly CDN. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores excellent (95/100) and performance excellent (100/100). Top issue: Missing canonical link.

Institut je najveći hrvatski znanstveno-istraživački centar multidisciplinarnog karaktera

Top issues to fix

7 issues found

Missing X-Content-Type-Options header
Security
Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing canonical link
SEO
Add <link rel="canonical"> so search engines know which URL variant to index.
Multiple H1 headings found
SEO
Keep a single H1 per page and demote the others to H2/H3.
No structured data (JSON-LD) found
SEO
Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.
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.

+1 more issue — details in the sections below.

SEO

5 issue(s) found

100

Performance

264 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.

Organization

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

Institut je najveći hrvatski znanstveno-istraživački centar multidisciplinarnog karaktera

X (Twitter)LinkedIn YouTube Instagram

Meta tags

Title: Početna - Institut Ruđer Bošković
Description: Institut je najveći hrvatski znanstveno-istraživački centar multidisciplinarnog karaktera
Canonical
Language: hr-HR
Charset: utf-8
Viewport: width=device-width, initial-scale=1.0
Robots meta
Manifest

Technologies

Detected frameworks, languages, and tools.

Nginx

Hosting & CDN

Hosting provider: —
CDN provider: Fastly
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: 2016.websummercamp.com
Valid from: Jun 29, 2026
Valid to: Sep 27, 2026
Days until expiry: 60
SAN domains: 2016.websummercamp.com, 2017.websummercamp.com, 2018.websummercamp.com, 2019.websummercamp.com, 2020.websummercamp.com, 2021.websummercamp.com, 2022.websummercamp.com, 2023.websummercamp.com, alfatec.ai, app.konfica.com, app.rhinno.ai, dit-sisak.hr, five.netgencloud.com, holitevoli.hr, irb.hr, irb.netgencloud.com, meditex.eu, meditex.hr, netgen.eu, netgen.hr, netgen.io, netgenlabs.com, shop.hroug.hr, shop.seasunsalsa.com, shop.websummercamp.com, test.app.konfica.com, test.shop.hroug.hr, test.shop.seasunsalsa.com, test.shop.websummercamp.com, tickets.mbf.hr, www.alfatec.ai, www.dit-sisak.hr, www.holitevoli.hr, www.irb.hr, www.meditex.eu, www.meditex.hr, www.netgen.eu, www.netgen.hr, www.netgen.io, www.netgenlabs.com

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 2 · H2 18 · H3 20

Links

80 internal · 24 external · 20 broken

Images

24 total · 0 missing alt

Scripts / Styles

6 scripts · 2 stylesheets

JS / CSS size

820 B · 0 B

Page size

79.7 KB

Robots.txt & Sitemap

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

SEO issues

Missing canonical link
Multiple H1 headings found
No structured data (JSON-LD) found
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://irb.hr
Final URL: https://www.irb.hr/
HTTP status: 200
HTTP version: HTTP/2
Response time: 263 ms
HTML size: 79.7 KB
Redirect chain: https://irb.hr → https://www.irb.hr/

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Frequently asked questions

What technology does irb.hr use?: irb.hr is built with Nginx.
Is irb.hr secure (HTTPS)?: Yes. irb.hr uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 27, 2026.
Who hosts irb.hr?: Hosting provider information for irb.hr is not available yet.
What is irb.hr's SEO score?: irb.hr scored 70/100 for SEO in the latest analysis (fair).
What is irb.hr's overall website score?: irb.hr has an overall SiteGraph score of 90/100, combining SEO, performance, security, and accessibility.