crldiagnostics.com
CRL
Last scanned Jul 26, 2026, 1:19 PM
Overall score
Great
Summary
CRL Diagnostics provides diagnostic services, patient support, lab information, and report access across its India network. This website uses Cloudflare Analytics hosted on Cloudflare behind Cloudflare CDN. SEO is fair (65/100) and accessibility is excellent (90/100). Security scores good (80/100) and performance excellent (100/100). Top issue: Missing canonical link.
CRL Diagnostics provides diagnostic services, patient support, lab information, and report access across its India network.
- United States
- Hosted on Cloudflare
Top issues to fix
7 issues found · 3 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
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.
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.
+1 more issue — details in the sections below.
SEO
5 issue(s) found
Performance
852 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
CRL Diagnostics provides diagnostic services, patient support, lab information, and report access across its India network.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- CRL
- Description
- CRL Diagnostics provides diagnostic services, patient support, lab information, and report access across its India network.
- Canonical
- Language
- en
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 172.67.166.20
- 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
- Let's Encrypt
- Subject
- crldiagnostics.com
- Valid from
- Jun 25, 2026
- Valid to
- Sep 23, 2026
- Days until expiry
- 56
- SAN domains
- *.crldiagnostics.com, crldiagnostics.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 0 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
2 scripts · 1 stylesheets
JS / CSS size
52.4 KB · 46.2 KB
Page size
2.1 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 9
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Careers
This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.
Scan details
- Requested URL
- https://crldiagnostics.com
- Final URL
- https://www.crldiagnostics.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 852 ms
- HTML size
- 2.1 KB
- Redirect chain
- https://crldiagnostics.com → https://www.crldiagnostics.com/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does crldiagnostics.com use?
- crldiagnostics.com is built with Cloudflare Analytics.
- Is crldiagnostics.com secure (HTTPS)?
- Yes. crldiagnostics.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 23, 2026.
- Who hosts crldiagnostics.com?
- crldiagnostics.com is hosted on Cloudflare, behind Cloudflare CDN.
- What is crldiagnostics.com's SEO score?
- crldiagnostics.com scored 65/100 for SEO in the latest analysis (fair).
- What is crldiagnostics.com's overall website score?
- crldiagnostics.com has an overall SiteGraph score of 83/100, combining SEO, performance, security, and accessibility.
- Is crldiagnostics.com hiring?
- crldiagnostics.com has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card