projectcalico.org
Project Calico | Tigera – Creator of Calico
Last scanned Aug 7, 2026, 5:22 AM · 4 views
Overall score
Great
Summary
Free and open source, Project Calico is designed to simplify, scale, and secure container and Kubernetes networks. This website uses WordPress hosted on Cloudflare behind Cloudflare CDN. SEO is excellent (95/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance good (80/100). Top issue: sitemap.xml not found.
Free and open source, Project Calico is designed to simplify, scale, and secure container and Kubernetes networks. Invented and maintained by Tigera.
- United States
- Hosted on Cloudflare
Products & pricing
Product and pricing information published in this site's own structured data.
Calico Cloud
$0.02 USD
Top issues to fix
4 issues found · 2 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Slow estimated load (4.6s)
PerformanceUse a CDN, enable caching/compression, and cut render-blocking assets — every extra second costs conversions.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
SEO
1 issue(s) found
Performance
4.57 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-1 overall since Jul 26, 2026
- Overall
- 89
- SEO
- 95
- Security
- 80
- Performance
- 80
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Free and open source, Project Calico is designed to simplify, scale, and secure container and Kubernetes networks. Invented and maintained by Tigera.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Project Calico | Tigera – Creator of Calico
- Description
- Free and open source, Project Calico is designed to simplify, scale, and secure container and Kubernetes networks. Invented and maintained by Tigera.
- Canonical
- https://www.tigera.io/project-calico/
- Language
- en-US
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- index, follow
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 162.159.136.54
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Google Trust Services
- Subject
- www.tigera.io
- Valid from
- Jun 27, 2026
- Valid to
- Sep 25, 2026
- Days until expiry
- 49
- SAN domains
- www.tigera.io
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 1 · H2 7 · H3 14
Links
71 internal · 35 external · 0 broken
Images
49 total · 0 missing alt
Scripts / Styles
40 scripts · 5 stylesheets
JS / CSS size
31.1 KB · 12.4 KB
Page size
142 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 45
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
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://projectcalico.org
- Final URL
- https://www.tigera.io/project-calico/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 4.57 s
- HTML size
- 142 KB
- Redirect chain
- https://projectcalico.org → https://www.projectcalico.org/ → https://www.tigera.io/project-calico → https://www.tigera.io/project-calico/
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Frequently asked questions
- What technology does projectcalico.org use?
- projectcalico.org is built with WordPress.
- Is projectcalico.org secure (HTTPS)?
- Yes. projectcalico.org uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Sep 25, 2026.
- Who hosts projectcalico.org?
- projectcalico.org is hosted on Cloudflare, behind Cloudflare CDN.
- What is projectcalico.org's SEO score?
- projectcalico.org scored 95/100 for SEO in the latest analysis (excellent).
- What is projectcalico.org's overall website score?
- projectcalico.org has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.
- What products does projectcalico.org offer?
- projectcalico.org offers Calico Cloud.
- Has projectcalico.org's score changed over time?
- projectcalico.org's overall score has declined by 1 point (from 90 to 89) since Jul 26, 2026.
- Is projectcalico.org hiring?
- projectcalico.org has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card