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SGSiteGraph

chessbase.com

Chess News | ChessBase

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

78

Overall score

Fair

Summary

ChessBase: Reports about chess - tournaments, championships, portraits, interviews, World Championships, product launches and more. This website uses jQuery hosted on PLUSSERVER-ASN1 - PlusServer GmbH, DE. SEO is good (75/100) and accessibility is fair (70/100). Security scores good (85/100) and performance good (80/100). Top issue: Missing canonical link.

ChessBase: Reports about chess - tournaments, championships, portraits, interviews, World Championships, product launches and more.

Germany
Hosted on PLUSSERVER-ASN1 - PlusServer GmbH, DE

Top issues to fix

9 issues found · 2 high priority

  • Missing Content-Security-Policy header

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • Over half of images are missing alt text

    Accessibility

    Add alt attributes to images — screen readers depend on them, and they help image SEO.

  • TLS certificate expires in 22 days

    Security

    Renew soon or enable auto-renewal to avoid a browser-warning outage.

  • 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.

+3 more issues — details in the sections below.

75

SEO

4 issue(s) found

80

Performance

403 ms

85

Security

HTTPS & header checks

70

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.

ChessBase: Reports about chess - tournaments, championships, portraits, interviews, World Championships, product launches and more.

Contact

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

Meta tags

Title
Chess News | ChessBase
Description
ChessBase: Reports about chess - tournaments, championships, portraits, interviews, World Championships, product launches and more.
Canonical
Language
en
Charset
utf-8
Viewport
width=device-width, initial-scale=1.0, maximum-scale=1, user-scalable=no
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.

Hosting & CDN

CDN provider
IP address
80.237.188.85
ASN
AS61157 (PLUSSERVER-ASN1 - PlusServer GmbH, DE)

DNS records

TypeValue
A
  • 80.237.188.85
AAAA
MX
TXT
  • google-site-verification=Uh_p2Ib99IDFiYjForEJjdgdT-d5GLFrWZGtLIni2kc
NS
CAA
CNAME
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
DigiCert Inc
Subject
*.chessbase.com
Valid from
Jul 17, 2025
Valid to
Aug 17, 2026
Days until expiry
22
SAN domains
*.chessbase.com, chessbase.com

Security headers

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

Compression: none · 0 cookie(s) observed

Content & assets

Headings

H1 19 · H2 4 · H3 18

Links

33 internal · 102 external · 2 broken

Images

197 total · 184 missing alt

Scripts / Styles

18 scripts · 8 stylesheets

JS / CSS size

556 KB · 323 KB

Page size

138 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
9
sitemap.xml
Found
URLs in sitemap
-1

SEO issues

  • Missing canonical link
  • Multiple H1 headings found
  • No structured data (JSON-LD) found
  • Missing OpenGraph tags

Accessibility issues

  • Over half of images are missing alt text

Scan details

Requested URL
https://chessbase.com
Final URL
https://en.chessbase.com/
HTTP status
200
HTTP version
HTTP/2
Response time
401 ms
HTML size
138 KB
Redirect chain
https://chessbase.com → http://en.chessbase.com/ → https://en.chessbase.com/

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Frequently asked questions

What technology does chessbase.com use?
chessbase.com is built with jQuery.
Is chessbase.com secure (HTTPS)?
Yes. chessbase.com uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Aug 17, 2026.
Who hosts chessbase.com?
chessbase.com is hosted on PLUSSERVER-ASN1 - PlusServer GmbH, DE.
What is chessbase.com's SEO score?
chessbase.com scored 75/100 for SEO in the latest analysis (fair).
What is chessbase.com's overall website score?
chessbase.com has an overall SiteGraph score of 78/100, combining SEO, performance, security, and accessibility.