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ceur-ws.org

CEUR-WS.org - CEUR Workshop Proceedings (free, open-access publishing, computer science/information systems)

Last scanned Jul 26, 2026, 5:17 AM · 2 views

77

Overall score

Fair

Summary

CEUR-WS.org provides free online scientific papers. This website uses Nginx hosted on HETZNER-AS - Hetzner Online GmbH, DE. SEO is good (75/100) and accessibility is excellent (90/100). Security scores fair (65/100) and performance good (80/100). Top issue: Title longer than 60 characters.

CEUR-WS.org provides free online scientific papers

Germany
Hosted on HETZNER-AS - Hetzner Online GmbH, DE

Top issues to fix

11 issues found · 3 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.

  • Very heavy page (5.0 MB)

    Performance

    Compress images (WebP/AVIF), lazy-load below-the-fold media, and trim unused JavaScript.

  • 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.

+5 more issues — details in the sections below.

75

SEO

4 issue(s) found

80

Performance

365 ms

65

Security

HTTPS & header checks

90

Accessibility

1 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.

CEUR-WS.org provides free online scientific papers

Contact

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

Meta tags

Title
CEUR-WS.org - CEUR Workshop Proceedings (free, open-access publishing, computer science/information systems)
Description
CEUR-WS.org provides free online scientific papers
Canonical
Language
Charset
utf-8
Viewport
width=device-width, initial-scale=1.0
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
—
og:description
—
og:type
—
og:url
—

Twitter Card

twitter:card
—
twitter:title
—
twitter:description
—

Technologies

Detected frameworks, languages, and tools.

Nginx

Hosting & CDN

CDN provider
—
IP address
148.251.136.197
ASN
AS24940 (HETZNER-AS - Hetzner Online GmbH, DE)

DNS records

TypeValue
A
  • 148.251.136.197
AAAA—
MX—
TXT
  • google-site-verification=dXh2fl2t8zbU1vq5Av0DxnOY0iRbJJgN-vyYompaeVo
NS
  • ns55.worldnic.com
  • ns56.worldnic.com
CAA—
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
ceur-ws.org
Valid from
Jun 7, 2026
Valid to
Sep 5, 2026
Days until expiry
41
SAN domains
ceur-ws.org, www.ceur-ws.org

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 1 · H3 0

Links

8020 internal · 4003 external · 6 broken

Images

1 total · 0 missing alt

Scripts / Styles

0 scripts · 1 stylesheets

JS / CSS size

0 B · 5.7 KB

Page size

5.0 MB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
11
sitemap.xml
Found
URLs in sitemap
1

SEO issues

  • Title longer than 60 characters
  • Missing canonical link
  • No structured data (JSON-LD) found
  • Missing OpenGraph tags

Accessibility issues

  • Missing <html lang> attribute

Scan details

Requested URL
https://ceur-ws.org
Final URL
https://ceur-ws.org
HTTP status
200
HTTP version
HTTP/1.1
Response time
261 ms
HTML size
5.0 MB
Redirect chain
https://ceur-ws.org

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does ceur-ws.org use?
ceur-ws.org is built with Nginx.
Is ceur-ws.org secure (HTTPS)?
Yes. ceur-ws.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 5, 2026.
Who hosts ceur-ws.org?
ceur-ws.org is hosted on HETZNER-AS - Hetzner Online GmbH, DE.
What is ceur-ws.org's SEO score?
ceur-ws.org scored 75/100 for SEO in the latest analysis (fair).
What is ceur-ws.org's overall website score?
ceur-ws.org has an overall SiteGraph score of 77/100, combining SEO, performance, security, and accessibility.