atom.io
Sunsetting Atom - The GitHub Blog
Last scanned Aug 1, 2026, 9:00 PM · 6 views
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. SEO is good (85/100) and accessibility is excellent (100/100). Security scores good (85/100) and performance excellent (100/100). Top issue: Missing canonical link.
We are archiving Atom and all projects under the Atom organization for an official sunset on December 15, 2022.
Top issues to fix
6 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
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.
20 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
3 issue(s) found
Performance
262 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
0 overall since Jul 25, 2026
- Overall
- 92
- SEO
- 85
- Security
- 85
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
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
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- 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
- Let's Encrypt
- Subject
- github.blog
- Valid from
- Jun 26, 2026
- Valid to
- Sep 24, 2026
- Days until expiry
- 54
- 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 · 20 broken
Images
16 total · 0 missing alt
Scripts / Styles
19 scripts · 2 stylesheets
JS / CSS size
4.6 KB · 23.5 KB
Page size
163 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
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
- 259 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?
- Hosting provider information for atom.io is not available yet.
- What is atom.io's SEO score?
- atom.io scored 85/100 for SEO in the latest analysis (great).
- What is atom.io's overall website score?
- atom.io has an overall SiteGraph score of 92/100, combining SEO, performance, security, and accessibility.
- Has atom.io's score changed over time?
- atom.io's overall score has stayed steady at 92/100 since Jul 25, 2026.
OpenGraph & Twitter Card
OpenGraph
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