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?

Hosting provider information for projectcalico.org is not available yet.

What is projectcalico.org's SEO score?

projectcalico.org scored 90/100 for SEO in the latest analysis (excellent).

What is projectcalico.org's overall website score?

projectcalico.org has an overall SiteGraph score of 90/100, combining SEO, performance, security, and accessibility.

projectcalico.org

Project Calico | Tigera – Creator of Calico

Last scanned Jul 26, 2026, 11:19 AM

Overall score

Excellent

Summary

Free and open source, Project Calico is designed to simplify, scale, and secure container and Kubernetes networks. This website uses WordPress behind Cloudflare CDN. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance excellent (90/100). Top issue: robots.txt not found.

Free and open source, Project Calico is designed to simplify, scale, and secure container and Kubernetes networks. Invented and maintained by Tigera.

Top issues to fix

5 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.
Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
robots.txt not found
SEO
Publish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEO
Publish an XML sitemap and reference it from robots.txt to speed up page discovery.
20 broken links on the page
SEO
Fix or remove broken links — they waste crawl budget and erode user trust.

SEO

2 issue(s) found

Performance

1.74 s

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.

Free and open source, Project Calico is designed to simplify, scale, and secure container and Kubernetes networks. Invented and maintained by Tigera.

X (Twitter)YouTube LinkedIn X (Twitter)YouTube GitHub

Contact

Email, phone, and address published on this site's own pages.

Email: tigera.io_uunmavdev5ndovf0hc4frtl0i0@group.calendar.google.com www.tigera.io_uunmavdev5ndovf0hc4frtl0i0@group.calendar.google.com

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.

WordPress

Hosting & CDN

Hosting provider: —
CDN provider: Cloudflare
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: Google Trust Services
Subject: www.tigera.io
Valid from: Jun 27, 2026
Valid to: Sep 25, 2026
Days until expiry: 59
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 · 20 broken

Images

49 total · 0 missing alt

Scripts / Styles

39 scripts · 4 stylesheets

JS / CSS size

31.0 KB · 12.4 KB

Page size

141 KB

Robots.txt & Sitemap

robots.txt: Not found
Disallow rules: 0
sitemap.xml: Not found
URLs in sitemap: 0

SEO issues

robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://projectcalico.org
Final URL: https://www.tigera.io/project-calico/
HTTP status: 200
HTTP version: HTTP/2
Response time: 1.73 s
HTML size: 141 KB
Redirect chain: https://projectcalico.org → https://www.projectcalico.org/ → https://www.tigera.io/project-calico → https://www.tigera.io/project-calico/

See something wrong on this report? Request a correction

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?: Hosting provider information for projectcalico.org is not available yet.
What is projectcalico.org's SEO score?: projectcalico.org scored 90/100 for SEO in the latest analysis (excellent).
What is projectcalico.org's overall website score?: projectcalico.org has an overall SiteGraph score of 90/100, combining SEO, performance, security, and accessibility.