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kubernetes.io

Kubernetes

Last scanned Jul 29, 2026, 5:00 PM · 12 views

88

Overall score

Great

Summary

Kubernetes, also known as K8s, is an open source system for automating deployment, scaling, and management of containerized applications. It groups containers that make up an application into logical units for easy manag… This website uses Google Analytics behind Netlify CDN. SEO is good (80/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.

Kubernetes, also known as K8s, is an open source system for automating deployment, scaling, and management of containerized applications. It groups containers that make up an application into logical units for easy management and discovery. Kubernetes builds upon 15 years of experience of running production workloads at Google, combined with best-of-breed ideas and practices from the community. Planet scaleDesigned on the same principles that allow Google to run billions of containers a week, Kubernetes can scale without increasing your operations team.

Top issues to fix

8 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-Content-Type-Options header

    Security

    Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.

  • Missing X-Frame-Options header

    Security

    Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.

  • Meta description longer than 160 characters

    SEO

    Trim the meta description to under 160 characters to avoid truncation in search results.

  • Missing canonical link

    SEO

    Add <link rel="canonical"> so search engines know which URL variant to index.

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

+2 more issues — details in the sections below.

80

SEO

4 issue(s) found

100

Performance

7 ms

75

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

+6 overall since Jul 21, 2026

Overall
88
SEO
80
Security
75
Performance
100
Accessibility
100

Organization

Company details published in this site's own structured data.

Kubernetes, also known as K8s, is an open source system for automating deployment, scaling, and management of containerized applications. It groups containers that make up an application into logical units for easy management and discovery. Kubernetes builds upon 15 years of experience of running production workloads at Google, combined with best-of-breed ideas and practices from the community. Planet scaleDesigned on the same principles that allow Google to run billions of containers a week, Kubernetes can scale without increasing your operations team.

YouTubeLinkedInX (Twitter)

Meta tags

Title
Kubernetes
Description
Kubernetes, also known as K8s, is an open source system for automating deployment, scaling, and management of containerized applications. It groups containers that make up an application into logical units for easy management and discovery. Kubernetes builds upon 15 years of experience of running production workloads at Google, combined with best-of-breed ideas and practices from the community. Planet scaleDesigned on the same principles that allow Google to run billions of containers a week, Kubernetes can scale without increasing your operations team.
Canonical
Language
en
Charset
utf-8
Viewport
width=device-width,initial-scale=1,shrink-to-fit=no
Robots meta
index, follow
Manifest
https://kubernetes.io/manifest.webmanifest

OpenGraph & Twitter Card

OpenGraph

og:title
Production-Grade Container Orchestration
og:description
Kubernetes, also known as K8s, is an open source system for automating deployment, scaling, and management of containerized applications. It groups containers that make up an application into logical units for easy management and discovery. Kubernetes builds upon 15 years of experience of running production workloads at Google, combined with best-of-breed ideas and practices from the community. Planet scaleDesigned on the same principles that allow Google to run billions of containers a week, Kubernetes can scale without increasing your operations team.
og:type
website
og:url
https://kubernetes.io/

Twitter Card

twitter:card
summary
twitter:title
Production-Grade Container Orchestration
twitter:description
Kubernetes, also known as K8s, is an open source system for automating deployment, scaling, and management of containerized applications. It groups containers that make up an application into logical units for easy management and discovery. Kubernetes builds upon 15 years of experience of running production workloads at Google, combined with best-of-breed ideas and practices from the community. Planet scaleDesigned on the same principles that allow Google to run billions of containers a week, Kubernetes can scale without increasing your operations team.

Technologies

Detected frameworks, languages, and tools.

jQueryGoogle Analytics

Hosting & CDN

Hosting provider
—
CDN provider
Netlify
IP address
—
ASN
—

DNS records

TypeValue
A—
AAAA—
MX—
TXT—
NS—
CAA—
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
kubernetes.io
Valid from
Jun 13, 2026
Valid to
Sep 11, 2026
Days until expiry
43
SAN domains
kubernetes.io, www.kubernetes.io

Security headers

  • Strict-Transport-SecurityEnabled
  • Content-Security-PolicyMissing
  • X-Frame-OptionsMissing
  • X-Content-Type-OptionsMissing
  • Referrer-PolicyMissing
  • Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 3 · H3 12

Links

44 internal · 20 external · 20 broken

Images

9 total · 0 missing alt

Scripts / Styles

9 scripts · 1 stylesheets

JS / CSS size

274 B · 37 B

Page size

41.4 KB

Robots.txt & Sitemap

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

SEO issues

  • Meta description longer than 160 characters
  • Missing canonical link
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://kubernetes.io
Final URL
https://kubernetes.io
HTTP status
200
HTTP version
HTTP/2
Response time
7 ms
HTML size
41.4 KB
Redirect chain
https://kubernetes.io

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Frequently asked questions

What technology does kubernetes.io use?
kubernetes.io is built with jQuery, Google Analytics.
Is kubernetes.io secure (HTTPS)?
Yes. kubernetes.io uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 11, 2026.
Who hosts kubernetes.io?
Hosting provider information for kubernetes.io is not available yet.
What is kubernetes.io's SEO score?
kubernetes.io scored 80/100 for SEO in the latest analysis (great).
What is kubernetes.io's overall website score?
kubernetes.io has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.
Has kubernetes.io's score changed over time?
kubernetes.io's overall score has improved by 6 points (from 82 to 88) since Jul 21, 2026.