castro.fm
Castro Podcasts
Last scanned Aug 3, 2026, 12:29 PM · 6 views
Overall score
Great
Summary
Castro makes it easy to manage lots of podcasts and enjoy the best episodes of all your favorite podcasts. This website uses Nginx. SEO is good (75/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Multiple H1 headings found.
Castro makes it easy to manage lots of podcasts and enjoy the best episodes of all your favorite podcasts.
Top issues to fix
9 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.
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
355 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-1 overall since Jul 26, 2026
- Overall
- 84
- SEO
- 75
- Security
- 65
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Castro makes it easy to manage lots of podcasts and enjoy the best episodes of all your favorite podcasts.
Meta tags
- Title
- Castro Podcasts
- Description
- Castro makes it easy to manage lots of podcasts and enjoy the best episodes of all your favorite podcasts.
- Canonical
- https://castro.fm/
- Language
- en-US
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no, viewport-fit=cover
- Robots meta
- Manifest
- https://castro.fm/site.webmanifest
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
- castro.fm
- Valid from
- Aug 1, 2026
- Valid to
- Oct 30, 2026
- Days until expiry
- 87
- SAN domains
- castro.fm, www.castro.fm
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 2 · H2 25 · H3 0
Links
12 internal · 4 external · 1 broken
Images
54 total · 0 missing alt
Scripts / Styles
11 scripts · 5 stylesheets
JS / CSS size
9.6 KB · 584 B
Page size
34.7 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Multiple H1 headings found
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://castro.fm
- Final URL
- https://castro.fm
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 355 ms
- HTML size
- 34.7 KB
- Redirect chain
- https://castro.fm
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does castro.fm use?
- castro.fm is built with jQuery, Google Analytics, Nginx.
- Is castro.fm secure (HTTPS)?
- Yes. castro.fm uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 30, 2026.
- Who hosts castro.fm?
- Hosting provider information for castro.fm is not available yet.
- What is castro.fm's SEO score?
- castro.fm scored 75/100 for SEO in the latest analysis (fair).
- What is castro.fm's overall website score?
- castro.fm has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.
- Has castro.fm's score changed over time?
- castro.fm's overall score has declined by 1 point (from 85 to 84) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card