rmsothebys.com
Classic Car Auctions | RM Sotheby's | RM Sotheby's Auction House
Last scanned Aug 7, 2026, 3:00 AM · 3 views
Overall score
Great
Summary
RM Sotheby’s, the world’s top classic car auction house, offers classic vehicles, top antique cars, and sports and vintage race cars. This website is hosted on Azure. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance good (80/100). Top issue: Title longer than 60 characters.
RM Sotheby’s, the world’s top classic car auction house, offers classic vehicles, top antique cars, and sports and vintage race cars.
- United States
- Hosted on Azure
Top issues to fix
7 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
2 cookies without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
+1 more issue — details in the sections below.
SEO
5 issue(s) found
Performance
320 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-2 overall since Jul 26, 2026
- Overall
- 84
- SEO
- 70
- Security
- 90
- Performance
- 80
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
RM Sotheby’s, the world’s top classic car auction house, offers classic vehicles, top antique cars, and sports and vintage race cars.
Meta tags
- Title
- Classic Car Auctions | RM Sotheby's | RM Sotheby's Auction House
- Description
- RM Sotheby’s, the world’s top classic car auction house, offers classic vehicles, top antique cars, and sports and vintage race cars.
- Canonical
- https://rmsothebys.com/
- Language
- en
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1, user-scalable=0
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
No technologies detected.
Hosting & CDN
- Hosting provider
- Azure
- CDN provider
- —
- IP address
- 20.127.68.50
- ASN
- AS8075 (MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- *.rmsothebys.com
- Valid from
- Jun 15, 2026
- Valid to
- Sep 13, 2026
- Days until expiry
- 37
- SAN domains
- *.rmsothebys.com, auctionsamerica.com, rmauctions.in, rmauctions.is, rmcars.com, rmprivatesales.com, rmsothebys.com, rmsothebys.in, rmsothebys.is
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 2 cookie(s) observed
Content & assets
Headings
H1 2 · H2 1 · H3 2
Links
51 internal · 11 external · 0 broken
Images
127 total · 2 missing alt
Scripts / Styles
25 scripts · 5 stylesheets
JS / CSS size
963 KB · 933 KB
Page size
299 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Title longer than 60 characters
- Multiple H1 headings found
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://rmsothebys.com
- Final URL
- https://rmsothebys.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 314 ms
- HTML size
- 299 KB
- Redirect chain
- https://rmsothebys.com
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does rmsothebys.com use?
- We did not detect any specific technologies for rmsothebys.com in the latest scan.
- Is rmsothebys.com secure (HTTPS)?
- Yes. rmsothebys.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 13, 2026.
- Who hosts rmsothebys.com?
- rmsothebys.com is hosted on Azure.
- What is rmsothebys.com's SEO score?
- rmsothebys.com scored 70/100 for SEO in the latest analysis (fair).
- What is rmsothebys.com's overall website score?
- rmsothebys.com has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.
- Has rmsothebys.com's score changed over time?
- rmsothebys.com's overall score has declined by 2 points (from 86 to 84) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card