cilium.io
Cilium - Cloud Native, eBPF-based Networking, Observability, and Security
Last scanned Jul 26, 2026, 12:19 PM
Overall score
Great
Summary
Cilium is an open source, cloud native solution for providing, securing, and observing network connectivity between workloads, fueled by the revolutionary Kernel technology eBPF. This website uses Google Analytics hosted on Google Cloud behind Netlify CDN. SEO is good (75/100) and accessibility is excellent (90/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.
Cilium
Cilium is an open source, cloud native solution for providing, securing, and observing network connectivity between workloads, fueled by the revolutionary Kernel technology eBPF
- United States
- Hosted on Google Cloud
Top issues to fix
5 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.
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.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
SEO
4 issue(s) found
Performance
241 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
Cilium
Cilium is an open source, cloud native solution for providing, securing, and observing network connectivity between workloads, fueled by the revolutionary Kernel technology eBPF
- Founded
- Dec 1, 2015
Meta tags
- Title
- Cilium - Cloud Native, eBPF-based Networking, Observability, and Security
- Description
- Cloud Native, eBPF-based Networking, Observability, and Security
- Canonical
- https://cilium.io
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1, shrink-to-fit=no, viewport-fit=cover
- Robots meta
- index, follow
- Manifest
- https://cilium.io/manifest.webmanifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Google Cloud
- CDN provider
- Netlify
- IP address
- 104.198.14.52
- ASN
- AS396982 (GOOGLE-CLOUD-PLATFORM - Google LLC, US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- cilium.io
- Valid from
- Jul 22, 2026
- Valid to
- Oct 20, 2026
- Days until expiry
- 83
- SAN domains
- blog.cilium.io, cilium.io, www.cilium.io
Security headers
- Strict-Transport-SecurityEnabled
- 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
10 scripts · 0 stylesheets
JS / CSS size
314 KB · 146 KB
Page size
195 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Title longer than 60 characters
- No H1 heading found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://cilium.io
- Final URL
- https://cilium.io
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 238 ms
- HTML size
- 195 KB
- Redirect chain
- https://cilium.io
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Frequently asked questions
- What technology does cilium.io use?
- cilium.io is built with Gatsby, Google Analytics.
- Is cilium.io secure (HTTPS)?
- Yes. cilium.io uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 20, 2026.
- Who hosts cilium.io?
- cilium.io is hosted on Google Cloud, behind Netlify CDN.
- What is cilium.io's SEO score?
- cilium.io scored 75/100 for SEO in the latest analysis (fair).
- What is cilium.io's overall website score?
- cilium.io has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.
- What company operates cilium.io?
- cilium.io is operated by Cilium. Cilium is an open source, cloud native solution for providing, securing, and observing network connectivity between workloads, fueled by the revolutionary Kernel technology eBPF
OpenGraph & Twitter Card
OpenGraph
Twitter Card