rtl-sdr.com
Last scanned Jul 26, 2026, 5:48 AM
Overall score
Fair
Summary
This website uses WordPress behind Cloudflare CDN. SEO is poor (40/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance good (80/100). Top issue: Missing <title>.
Top issues to fix
11 issues found · 4 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing title tag
SEOAdd a unique, descriptive <title> tag — it's the single most important on-page SEO element.
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
Slow estimated load (4.6s)
PerformanceUse a CDN, enable caching/compression, and cut render-blocking assets — every extra second costs conversions.
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.
+5 more issues — details in the sections below.
SEO
8 issue(s) found
Performance
4.65 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Meta tags
- Title
- Description
- Canonical
- Language
- en-US
- Charset
- UTF-8
- Viewport
- width=device-width
- Robots meta
- max-image-preview:large
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Cloudflare
- 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
- Google Trust Services
- Subject
- rtl-sdr.com
- Valid from
- Jul 20, 2026
- Valid to
- Oct 18, 2026
- Days until expiry
- 82
- SAN domains
- rtl-sdr.com, *.rtl-sdr.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 9 · H2 0 · H3 11
Links
213 internal · 57 external · 20 broken
Images
11 total · 1 missing alt
Scripts / Styles
39 scripts · 18 stylesheets
JS / CSS size
9.2 KB · 15.8 KB
Page size
172 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing <title>
- Missing meta description
- Missing canonical link
- Multiple H1 headings found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://rtl-sdr.com
- Final URL
- https://www.rtl-sdr.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 4.64 s
- HTML size
- 172 KB
- Redirect chain
- https://rtl-sdr.com → https://www.rtl-sdr.com/
See something wrong on this report? Request a correction
Frequently asked questions
- What technology does rtl-sdr.com use?
- rtl-sdr.com is built with PHP, WordPress, WooCommerce, jQuery, Google Analytics, Cloudflare Analytics, Google Ads.
- Is rtl-sdr.com secure (HTTPS)?
- Yes. rtl-sdr.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 18, 2026.
- Who hosts rtl-sdr.com?
- Hosting provider information for rtl-sdr.com is not available yet.
- What is rtl-sdr.com's SEO score?
- rtl-sdr.com scored 40/100 for SEO in the latest analysis (poor).
- What is rtl-sdr.com's overall website score?
- rtl-sdr.com has an overall SiteGraph score of 75/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card