castbox.fm

Best free podcast app for Apple iOS and Android | Let words move you

Last scanned Jul 21, 2026, 12:33 PM

90

Overall score

Excellent

Top issues to fix

5 issues found · 2 high priority

Missing Strict-Transport-Security header
Security
Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
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.
Title longer than 60 characters
SEO
Shorten the title to under 60 characters so search results don't truncate it.
1 broken link on the page
SEO
Fix or remove broken links — they waste crawl budget and erode user trust.

Summary

Millions of podcasts for all topics. This website uses WordPress hosted on Cloudflare behind Cloudflare CDN. SEO is excellent (95/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (90/100). Top issue: Title longer than 60 characters.

95

SEO

1 issue(s) found

90

Performance

155 ms

75

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.

Facebook X (Twitter)Instagram LinkedIn

Contact

Email, phone, and address published on this site's own pages.

Source: https://castbox.fm/contact

Meta tags

Title: Best free podcast app for Apple iOS and Android | Let words move you
Description: Millions of podcasts for all topics. Listen to the best free podcast on Android, Apple iOS, Amazon Alexa, Google Home, Carplay, Android Auto, PC. Create...
Canonical: https://castbox.fm
Language: en
Charset: utf-8
Viewport: width=device-width, initial-scale=1, user-scalable=no
Robots meta
Manifest: https://castbox.fm/api/pwa/manifest.json

Technologies

Detected frameworks, languages, and tools.

WordPress Cloudflare Analytics

Hosting & CDN

Hosting provider: Cloudflare
CDN provider: Cloudflare
IP address: 172.66.159.47
ASN: AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)

DNS records

Type	Value
A	172.66.159.47 104.20.29.143
AAAA	2606:4700:10::6814:1d8f 2606:4700:10::ac42:9f2f
MX	alt1.aspmx.l.google.com alt3.aspmx.l.google.com aspmx.l.google.com alt4.aspmx.l.google.com alt2.aspmx.l.google.com
TXT	—
NS	sara.ns.cloudflare.com charles.ns.cloudflare.com
CAA	—
CNAME	—
IPv6 support	Yes

TLS / SSL certificate

Version: TLS 1.3
Issuer: Google Trust Services
Subject: castbox.fm
Valid from: Jul 15, 2026
Valid to: Oct 13, 2026
Days until expiry: 83
SAN domains: castbox.fm, *.castbox.fm

Security headers

Strict-Transport-SecurityMissing
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 1 · H3 15

Links

31 internal · 39 external · 1 broken

Images

80 total · 10 missing alt

Scripts / Styles

16 scripts · 2 stylesheets

JS / CSS size

446 KB · 41.1 KB

Page size

360 KB

Robots.txt & Sitemap

robots.txt: Found
Disallow rules: 22
sitemap.xml: Found
URLs in sitemap: -1

SEO issues

Title longer than 60 characters

Careers

View careers page

This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.

Scan details

Requested URL: https://castbox.fm
Final URL: https://castbox.fm
HTTP status: 200
HTTP version: HTTP/2
Response time: 148 ms
HTML size: 360 KB
Redirect chain: https://castbox.fm

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Frequently asked questions

What technology does castbox.fm use?: castbox.fm is built with WordPress, Cloudflare Analytics.
Is castbox.fm secure (HTTPS)?: Yes. castbox.fm uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 13, 2026.
Who hosts castbox.fm?: castbox.fm is hosted on Cloudflare, behind Cloudflare CDN.
What is castbox.fm's SEO score?: castbox.fm scored 95/100 for SEO in the latest analysis (excellent).
What is castbox.fm's overall website score?: castbox.fm has an overall SiteGraph score of 90/100, combining SEO, performance, security, and accessibility.
Is castbox.fm hiring?: castbox.fm has a careers page; check it directly for current openings.