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?

Hosting provider information for rmsothebys.com is not available yet.

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 86/100, combining SEO, performance, security, and accessibility.

rmsothebys.com

Classic Car Auctions | RM Sotheby's | RM Sotheby's Auction House

Last scanned Jul 26, 2026, 11:19 AM

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. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (90/100). 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.

Top issues to fix

8 issues found · 1 high priority

Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
2 cookies 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.
Title longer than 60 characters
SEO
Shorten the title to under 60 characters so search results don't truncate it.
Multiple H1 headings found
SEO
Keep a single H1 per page and demote the others to H2/H3.
No structured data (JSON-LD) found
SEO
Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.
robots.txt not found
SEO
Publish /robots.txt with a Sitemap: directive to guide crawlers.

+2 more issues — details in the sections below.

SEO

5 issue(s) found

Performance

319 ms

Security

HTTPS & header checks

100

Accessibility

0 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.

RM Sotheby’s, the world’s top classic car auction house, offers classic vehicles, top antique cars, and sports and vintage race cars.

Facebook X (Twitter)YouTube Instagram

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: —
CDN provider: —
IP address: —
ASN: —

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: 46
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 0 · H3 0

Links

52 internal · 10 external · 20 broken

Images

100 total · 1 missing alt

Scripts / Styles

20 scripts · 5 stylesheets

JS / CSS size

922 B · 854 B

Page size

290 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

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: 290 KB
Redirect chain: https://rmsothebys.com

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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?: Hosting provider information for rmsothebys.com is not available yet.
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 86/100, combining SEO, performance, security, and accessibility.