df.com
Diamond Foundry - The Diamond Shaping the Future
Last scanned Jul 22, 2026, 8:45 PM · 2 views
Overall score
Excellent
Summary
Innovating at the very foundation of technology with the ultimate new tech component that can do so: single-crystal diamond wafers. This website uses jQuery hosted on Cloudflare behind Cloudflare CDN. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores excellent (95/100) and performance excellent (90/100). Top issue: No structured data (JSON-LD) found.
Innovating at the very foundation of technology with the ultimate new tech component that can do so: single-crystal diamond wafers.
- United States
- Hosted on Cloudflare
Top issues to fix
2 issues found
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
SEO
1 issue(s) found
Performance
1.12 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Innovating at the very foundation of technology with the ultimate new tech component that can do so: single-crystal diamond wafers.
Contact
Email, phone, and address published on this site's own pages.
Source: https://www.df.com/contact
Meta tags
- Title
- Diamond Foundry - The Diamond Shaping the Future
- Description
- Innovating at the very foundation of technology with the ultimate new tech component that can do so: single-crystal diamond wafers.
- Canonical
- https://www.df.com
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 198.202.211.1
- ASN
- AS209242 (CLOUDFLARESPECTRUM - Cloudflare London, LLC, US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT | — |
| NS |
|
| CAA | — |
| CNAME |
|
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Google Trust Services
- Subject
- www.df.com
- Valid from
- Jul 4, 2026
- Valid to
- Oct 2, 2026
- Days until expiry
- 72
- SAN domains
- www.df.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 1 · H2 6 · H3 6
Links
16 internal · 1 external · 0 broken
Images
9 total · 0 missing alt
Scripts / Styles
8 scripts · 1 stylesheets
JS / CSS size
344 KB · 163 KB
Page size
56.5 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- 43
SEO issues
- No structured data (JSON-LD) found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://df.com
- Final URL
- https://www.df.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.12 s
- HTML size
- 56.5 KB
- Redirect chain
- https://df.com → https://www.df.com/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does df.com use?
- df.com is built with jQuery.
- Is df.com secure (HTTPS)?
- Yes. df.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 2, 2026.
- Who hosts df.com?
- df.com is hosted on Cloudflare, behind Cloudflare CDN.
- What is df.com's SEO score?
- df.com scored 90/100 for SEO in the latest analysis (excellent).
- What is df.com's overall website score?
- df.com has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card