Is ijs.si secure (HTTPS)?

Yes. ijs.si uses TLS 1.2 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Dec 18, 2026.

ijs.si is hosted on ARNES-NET - ARNES, SI.

What is ijs.si's SEO score?

ijs.si scored 55/100 for SEO in the latest analysis (fair).

What is ijs.si's overall website score?

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

ijs.si

IJS - Institut "Jožef Stefan"

Last scanned Jul 26, 2026, 5:17 AM · 1 view

Overall score

Great

Summary

This website uses Nginx hosted on ARNES-NET - ARNES, SI. SEO is fair (55/100) and accessibility is good (80/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Missing meta description.

Hosted on ARNES-NET - ARNES, SI

Top issues to fix

9 issues found · 2 high priority

Missing meta description
SEO
Add a ~150-character meta description to control your search-result snippet and lift click-through rate.
No H1 heading found
SEO
Add exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
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.

+3 more issues — details in the sections below.

SEO

6 issue(s) found

100

Performance

366 ms

Security

HTTPS & header checks

Accessibility

2 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.

LinkedIn Facebook X (Twitter)Instagram

Contact

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

Email: info@ijs.si

Technologies

Detected frameworks, languages, and tools.

Nginx

Hosting & CDN

Hosting provider: ARNES-NET - ARNES, SI
CDN provider: —
IP address: 193.2.4.17
ASN: AS2107 (ARNES-NET - ARNES, SI)

DNS records

Type	Value
A	193.2.4.17
AAAA	2001:1470:ff80::80:1
MX	mail.ijs.si mail4.ijs.si
TXT	MS=61A49F105B4DF4CFA8999ECB37AEE2454A8D0CA8 HARICA-ZqEfmQ3pPXi9rZpApG3 v=spf1 ip4:193.2.4.66 ip6:2001:1470:ff80::25 ip4:193.2.4.65 ip6:2001:1470:ff80::25:2 ~all
NS	aa.arnes.si nsp.dnsnode.net niobe.ijs.si
CAA	0 issue "letsencrypt.org" 0 issuewild ";" 0 iodef "mailto:webmaster@ijs.si" 0 issue "harica.gr"
CNAME	—
IPv6 support	Yes

TLS / SSL certificate

Version: TLS 1.2
Issuer: Hellenic Academic and Research Institutions CA
Subject: ijs.si
Valid from: Dec 18, 2025
Valid to: Dec 18, 2026
Days until expiry: 145
SAN domains: ijs.si, www.ijs.si

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 0 · H2 0 · H3 0

Links

42 internal · 23 external · 2 broken

Images

32 total · 0 missing alt

Scripts / Styles

2 scripts · 4 stylesheets

JS / CSS size

28.3 KB · 22.8 KB

Page size

73.7 KB

Robots.txt & Sitemap

robots.txt: Found
Disallow rules: 171
sitemap.xml: Not found
URLs in sitemap: 0

SEO issues

Missing meta description
Missing canonical link
No H1 heading found
No structured data (JSON-LD) found
Missing OpenGraph tags
sitemap.xml not found

Scan details

Requested URL: https://ijs.si
Final URL: https://ijs.si/ijsw
HTTP status: 200
HTTP version: HTTP/2
Response time: 365 ms
HTML size: 73.7 KB
Redirect chain: https://ijs.si → https://ijs.si/ijsw

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does ijs.si use?: ijs.si is built with Nginx.
Is ijs.si secure (HTTPS)?: Yes. ijs.si uses TLS 1.2 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Dec 18, 2026.
Who hosts ijs.si?: ijs.si is hosted on ARNES-NET - ARNES, SI.
What is ijs.si's SEO score?: ijs.si scored 55/100 for SEO in the latest analysis (fair).
What is ijs.si's overall website score?: ijs.si has an overall SiteGraph score of 80/100, combining SEO, performance, security, and accessibility.