vatsim.net
VATSIM | The International Online Flying Network | VATSIM
Last scanned Aug 6, 2026, 4:00 AM · 11 views
Overall score
Great
Summary
VATSIM is the Virtual Air Traffic Simulation network, connecting people from around the world flying online or acting as virtual Air Traffic Controllers. This website uses Gatsby hosted on Cloudflare behind Cloudflare CDN. SEO is good (75/100) and accessibility is fair (60/100). Security scores good (80/100) and performance excellent (100/100). Top issue: Missing canonical link.
VATSIM is the Virtual Air Traffic Simulation network, connecting people from around the world flying online or acting as virtual Air Traffic Controllers.
- United States
- Hosted on Cloudflare
Top issues to fix
9 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.
Over half of images are missing alt text
AccessibilityAdd alt attributes to images — screen readers depend on them, and they help image SEO.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+3 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
74 ms
Security
HTTPS & header checks
Accessibility
2 issue(s) found
Score history
+2 overall since Jul 26, 2026
- Overall
- 80
- SEO
- 75
- Security
- 80
- Performance
- 100
- Accessibility
- 60
Organization
Company details published in this site's own structured data.
VATSIM is the Virtual Air Traffic Simulation network, connecting people from around the world flying online or acting as virtual Air Traffic Controllers.
Meta tags
- Title
- VATSIM | The International Online Flying Network | VATSIM
- Description
- VATSIM is the Virtual Air Traffic Simulation network, connecting people from around the world flying online or acting as virtual Air Traffic Controllers.
- Canonical
- Language
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.18.8.49
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX |
|
| TXT | — |
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Google Trust Services
- Subject
- vatsim.net
- Valid from
- Jun 17, 2026
- Valid to
- Sep 15, 2026
- Days until expiry
- 40
- SAN domains
- vatsim.net
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 5 · H2 5 · H3 0
Links
2 internal · 15 external · 3 broken
Images
3 total · 2 missing alt
Scripts / Styles
11 scripts · 1 stylesheets
JS / CSS size
951 KB · 508 B
Page size
106 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 9
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- Multiple H1 headings found
- No structured data (JSON-LD) found
- sitemap.xml not found
Accessibility issues
- Over half of images are missing alt text
- Missing <html lang> attribute
Scan details
- Requested URL
- https://vatsim.net
- Final URL
- https://vatsim.net
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 72 ms
- HTML size
- 106 KB
- Redirect chain
- https://vatsim.net
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Frequently asked questions
- What technology does vatsim.net use?
- vatsim.net is built with Gatsby, Cloudflare Analytics.
- Is vatsim.net secure (HTTPS)?
- Yes. vatsim.net uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Sep 15, 2026.
- Who hosts vatsim.net?
- vatsim.net is hosted on Cloudflare, behind Cloudflare CDN.
- What is vatsim.net's SEO score?
- vatsim.net scored 75/100 for SEO in the latest analysis (fair).
- What is vatsim.net's overall website score?
- vatsim.net has an overall SiteGraph score of 80/100, combining SEO, performance, security, and accessibility.
- Has vatsim.net's score changed over time?
- vatsim.net's overall score has improved by 2 points (from 78 to 80) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card