biddr.com
biddr.com - the modern auction platform for numismatic items
Last scanned Aug 5, 2026, 7:00 PM · 10 views
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
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
No H1 heading found
SEOAdd 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
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
Missing html lang attribute
AccessibilitySet <html lang="…"> so screen readers pick the right pronunciation rules.
SEO
2 issue(s) found
Performance
268 ms
Security
HTTPS & header checks
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.
Contact
Email, phone, and address published on this site's own pages.
- info@biddr.com
- 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
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
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
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.
OpenGraph & Twitter Card
OpenGraph
Twitter Card