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atom.io

Sunsetting Atom - The GitHub Blog

Last scanned Jul 25, 2026, 8:25 PM · 1 view

92

Overall score

Excellent

Summary

We are archiving Atom and all projects under the Atom organization for an official sunset on December 15, 2022. This website uses WordPress hosted on AUTOMATTIC - Automattic, Inc, US. SEO is excellent (95/100) and accessibility is excellent (100/100). Security scores good (85/100) and performance excellent (90/100). Top issue: Missing canonical link.

We are archiving Atom and all projects under the Atom organization for an official sunset on December 15, 2022.

United States
Hosted on AUTOMATTIC - Automattic, Inc, US

Top issues to fix

3 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 canonical link

    SEO

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

95

SEO

1 issue(s) found

90

Performance

260 ms

85

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.

We are archiving Atom and all projects under the Atom organization for an official sunset on December 15, 2022.

GitHubGitHubX (Twitter)FacebookGitHubGitHubGitHubGitHubGitHubGitHub

Meta tags

Title
Sunsetting Atom - The GitHub Blog
Description
We are archiving Atom and all projects under the Atom organization for an official sunset on December 15, 2022.
Canonical
Language
en-US
Charset
UTF-8
Viewport
width=device-width, initial-scale=1
Robots meta
noindex, follow
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
Sunsetting Atom
og:description
We are archiving Atom and all projects under the Atom organization for an official sunset on December 15, 2022.
og:type
article
og:url
https://github.blog/news-insights/product-news/sunsetting-atom/

Twitter Card

twitter:card
summary_large_image
twitter:title
—
twitter:description
—

Technologies

Detected frameworks, languages, and tools.

WordPressNginx

Hosting & CDN

CDN provider
—
IP address
192.0.66.2
ASN
AS2635 (AUTOMATTIC - Automattic, Inc, US)

DNS records

TypeValue
A
  • 192.0.66.2
AAAA—
MX—
TXT
  • google-site-verification=HPL8binrED5R9U3oyWqWsnVr1e2EI9hnKlLizQywIlQ
NS
  • dns4.p05.nsone.net
  • dns3.p05.nsone.net
  • dns2.p05.nsone.net
  • dns1.p05.nsone.net
CAA
  • 0 issue "sectigo.com"
  • 0 issue "letsencrypt.org"
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
github.blog
Valid from
Jun 26, 2026
Valid to
Sep 24, 2026
Days until expiry
61
SAN domains
github.blog

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 12 · H3 13

Links

57 internal · 47 external · 0 broken

Images

16 total · 0 missing alt

Scripts / Styles

19 scripts · 2 stylesheets

JS / CSS size

971 KB · 826 KB

Page size

163 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
0
sitemap.xml
Found
URLs in sitemap
-1

SEO issues

  • Missing canonical link

Accessibility issues

No accessibility issues detected.

Careers

View careers page
RoleLocationPosted
Career growth——
Page 2——
Page 4——

Scan details

Requested URL
https://atom.io
Final URL
https://github.blog/news-insights/product-news/sunsetting-atom/
HTTP status
200
HTTP version
HTTP/2
Response time
257 ms
HTML size
163 KB
Redirect chain
https://atom.io → https://github.blog/2022-06-08-sunsetting-atom/ → https://github.blog/engineering/sunsetting-atom/ → https://github.blog/news-insights/product-news/sunsetting-atom/

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Frequently asked questions

What technology does atom.io use?
atom.io is built with WordPress, Nginx.
Is atom.io secure (HTTPS)?
Yes. atom.io uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 24, 2026.
Who hosts atom.io?
atom.io is hosted on AUTOMATTIC - Automattic, Inc, US.
What is atom.io's SEO score?
atom.io scored 95/100 for SEO in the latest analysis (excellent).
What is atom.io's overall website score?
atom.io has an overall SiteGraph score of 92/100, combining SEO, performance, security, and accessibility.
Is atom.io hiring?
Yes. atom.io has 3 open roles listed on their careers page.