astronomy.com
Astronomy Magazine: Space News, Observing, Planets, Galaxies
Last scanned Aug 1, 2026, 7:00 PM · 5 views
Overall score
Great
Summary
Astronomy.com is for anyone who wants to learn more about astronomy and space, including planets, galaxies, asteroids, and NASA. This website uses WordPress. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: robots.txt not found.
Astronomy.com is for anyone who wants to learn more about astronomy and space, including planets, galaxies, asteroids, and NASA.
Top issues to fix
7 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
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 X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
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.
+1 more issue — details in the sections below.
SEO
2 issue(s) found
Performance
485 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-1 overall since Jul 25, 2026
- Overall
- 88
- SEO
- 90
- Security
- 65
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Astronomy.com is for anyone who wants to learn more about astronomy and space, including planets, galaxies, asteroids, and NASA.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Astronomy Magazine: Space News, Observing, Planets, Galaxies
- Description
- Astronomy.com is for anyone who wants to learn more about astronomy and space, including planets, galaxies, asteroids, and NASA.
- Canonical
- https://www.astronomy.com/
- Language
- en-US
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
- 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
- astronomy.com
- Valid from
- Jul 8, 2026
- Valid to
- Oct 6, 2026
- Days until expiry
- 65
- SAN domains
- astronomy.com, www.astronomy.com
Security headers
- Strict-Transport-SecurityMissing
- 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 11 · H3 40
Links
69 internal · 26 external · 20 broken
Images
43 total · 0 missing alt
Scripts / Styles
41 scripts · 7 stylesheets
JS / CSS size
14.8 KB · 123 KB
Page size
254 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
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://astronomy.com
- Final URL
- https://www.astronomy.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 480 ms
- HTML size
- 254 KB
- Redirect chain
- https://astronomy.com → https://www.astronomy.com/
See something wrong on this report? Request a correction
Related websites
Same technology stack
linuxiac.com
Linuxiac - All things Linux & Open Source
nesslabs.com
Ness Labs - Mindful Productivity School for Knowledge Workers
therightlife.in
Child-Centric Township in Sarjapur-Whitefield Rd | Mana Skanda
jukola.com
Kotka-Jukola 2026 - Kotka-Jukola 2026
downloadfestival.co.uk
Download Festival | Donington Park, 9 - 13 June 2027
homedit.com
Homedit - Home Design Ideas For Modern Living
Frequently asked questions
- What technology does astronomy.com use?
- astronomy.com is built with WordPress, Google Analytics, Nginx.
- Is astronomy.com secure (HTTPS)?
- Yes. astronomy.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 6, 2026.
- Who hosts astronomy.com?
- Hosting provider information for astronomy.com is not available yet.
- What is astronomy.com's SEO score?
- astronomy.com scored 90/100 for SEO in the latest analysis (excellent).
- What is astronomy.com's overall website score?
- astronomy.com has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.
- Has astronomy.com's score changed over time?
- astronomy.com's overall score has declined by 1 point (from 89 to 88) since Jul 25, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card