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biddr.com

biddr.com - the modern auction platform for numismatic items

Last scanned Aug 5, 2026, 7:00 PM · 10 views

89

Overall score

Great

Summary

Bid on ancient coins, world coins, medals, banknotes and antiquities and take part in numerous numismatic auctions worldwide. This website uses Apache hosted on AWS. SEO is good (85/100) and accessibility is good (80/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Missing canonical link.

biddr AG

Bid on ancient coins, world coins, medals, banknotes and antiquities and take part in numerous numismatic auctions worldwide.

Oberfeld 15a, Root, 6037, CH
Hosted on AWS

Top issues to fix

5 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.

  • 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.

  • 1 cookie without Secure/HttpOnly flags

    Security

    Set Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.

  • Missing canonical link

    SEO

    Add <link rel="canonical"> so search engines know which URL variant to index.

  • Missing html lang attribute

    Accessibility

    Set <html lang="…"> so screen readers pick the right pronunciation rules.

85

SEO

2 issue(s) found

100

Performance

268 ms

90

Security

HTTPS & header checks

80

Accessibility

2 issue(s) found

Score history

+3 overall since Jul 26, 2026

Overall
89
SEO
85
Security
90
Performance
100
Accessibility
80

Organization

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

biddr AG

Bid on ancient coins, world coins, medals, banknotes and antiquities and take part in numerous numismatic auctions worldwide.

Contact

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

Address
Oberfeld 15a, Root, 6037, CH

Meta tags

Title
biddr.com - the modern auction platform for numismatic items
Description
Bid on ancient coins, world coins, medals, banknotes and antiquities and take part in numerous numismatic auctions worldwide.
Canonical
Language
Charset
utf-8
Viewport
width=device-width, initial-scale=1.0, maximum-scale=1.0
Robots meta
Manifest
https://www.biddr.com/webapp_manifest_.json?v=1.1.1

OpenGraph & Twitter Card

OpenGraph

og:title
biddr.com - the modern auction platform for numismatic items
og:description
Bid on ancient coins, world coins, medals, banknotes and antiquities and take part in numerous numismatic auctions worldwide.
og:type
website
og:url
https://

Twitter Card

twitter:card
twitter:title
twitter:description

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider
AWS
CDN provider
IP address
18.153.236.189
ASN
AS16509 (AMAZON-02 - Amazon.com, Inc., US)

DNS records

TypeValue
A
  • 18.153.236.189
AAAA
MX
TXT
NS
CAA
CNAME
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
DigiCert Inc
Subject
*.biddr.com
Valid from
Feb 10, 2026
Valid to
Mar 12, 2027
Days until expiry
219
SAN domains
*.biddr.com, biddr.com, *.biddr.ch, biddr.ch

Security headers

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

Compression: none · 1 cookie(s) observed

Content & assets

Headings

H1 0 · H2 0 · H3 0

Links

0 internal · 0 external · 0 broken

Images

0 total · 0 missing alt

Scripts / Styles

3 scripts · 0 stylesheets

JS / CSS size

69.0 KB · 1.5 KB

Page size

15.0 KB

Robots.txt & Sitemap

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

SEO issues

  • Missing canonical link
  • No H1 heading found

Accessibility issues

  • No H1 heading found
  • Missing <html lang> attribute

Scan details

Requested URL
https://biddr.com
Final URL
https://www.biddr.com/
HTTP status
429
HTTP version
HTTP/1.1
Response time
268 ms
HTML size
15.0 KB
Redirect chain
https://biddr.com → https://www.biddr.com/

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Frequently asked questions

What technology does biddr.com use?
biddr.com is built with PHP, jQuery, Apache.
Is biddr.com secure (HTTPS)?
Yes. biddr.com uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Mar 12, 2027.
Who hosts biddr.com?
biddr.com is hosted on AWS.
What is biddr.com's SEO score?
biddr.com scored 85/100 for SEO in the latest analysis (great).
What is biddr.com's overall website score?
biddr.com has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.
What company operates biddr.com?
biddr.com is operated by biddr AG. Bid on ancient coins, world coins, medals, banknotes and antiquities and take part in numerous numismatic auctions worldwide.
Has biddr.com's score changed over time?
biddr.com's overall score has improved by 3 points (from 86 to 89) since Jul 26, 2026.