random.org
RANDOM.ORG - True Random Number Service
Last scanned Jul 25, 2026, 12:25 PM · 2 views
Overall score
Great
Summary
RANDOM.ORG offers true random numbers to anyone on the Internet. This website uses Cloudflare Analytics hosted on Cloudflare behind Cloudflare CDN. SEO is fair (70/100) and accessibility is excellent (90/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.
RANDOM.ORG offers true random numbers to anyone on the Internet. The randomness comes from atmospheric noise, which for many purposes is better than the pseudo-random number algorithms typically used in computer programs.
- United States
- Hosted on Cloudflare
Products & pricing
Product and pricing information published in this site's own structured data.
True Random Number Service
$0.00 USD
Top issues to fix
7 issues found
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.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
+1 more issue — details in the sections below.
SEO
5 issue(s) found
Performance
723 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
RANDOM.ORG offers true random numbers to anyone on the Internet. The randomness comes from atmospheric noise, which for many purposes is better than the pseudo-random number algorithms typically used in computer programs.
Contact
Email, phone, and address published on this site's own pages.
- contact@random.org
Source: https://www.random.org/company/
Meta tags
- Title
- RANDOM.ORG - True Random Number Service
- Description
- RANDOM.ORG offers true random numbers to anyone on the Internet. The randomness comes from atmospheric noise, which for many purposes is better than the pseudo-random number algorithms typically used in computer programs.
- Canonical
- Language
- Charset
- utf-8
- Viewport
- width=device-width
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 172.66.40.211
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Gandi SAS
- Subject
- *.random.org
- Valid from
- Jan 22, 2026
- Valid to
- Feb 22, 2027
- Days until expiry
- 212
- SAN domains
- *.random.org, random.org
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 2 cookie(s) observed
Content & assets
Headings
H1 1 · H2 1 · H3 8
Links
75 internal · 8 external · 0 broken
Images
3 total · 0 missing alt
Scripts / Styles
5 scripts · 1 stylesheets
JS / CSS size
32.1 KB · 775 B
Page size
23.4 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 17
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- Missing canonical link
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- sitemap.xml not found
Accessibility issues
- Missing <html lang> attribute
Scan details
- Requested URL
- https://random.org
- Final URL
- https://www.random.org/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 723 ms
- HTML size
- 23.4 KB
- Redirect chain
- https://random.org → https://www.random.org/
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Frequently asked questions
- What technology does random.org use?
- random.org is built with jQuery, Cloudflare Analytics.
- Is random.org secure (HTTPS)?
- Yes. random.org uses TLS 1.3 with a certificate issued by Gandi SAS, valid until Feb 22, 2027.
- Who hosts random.org?
- random.org is hosted on Cloudflare, behind Cloudflare CDN.
- What is random.org's SEO score?
- random.org scored 70/100 for SEO in the latest analysis (fair).
- What is random.org's overall website score?
- random.org has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.
- What products does random.org offer?
- random.org offers True Random Number Service.
OpenGraph & Twitter Card
OpenGraph
Twitter Card