lfrd.com
Musings on computer science, linguistics, economics and classical guitar | Drewkarnia
Last scanned Jul 30, 2026, 2:00 PM · 9 views
Overall score
Fair
Summary
Musings on computer science, linguistics, economics and classical guitar. This website uses Apache. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores poor (25/100) and performance excellent (90/100). Top issue: Title longer than 60 characters.
Musings on computer science, linguistics, economics and classical guitar
Top issues to fix
10 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.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
+4 more issues — details in the sections below.
SEO
5 issue(s) found
Performance
1.21 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
+4 overall since Jul 22, 2026
- Overall
- 70
- SEO
- 70
- Security
- 25
- Performance
- 90
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Musings on computer science, linguistics, economics and classical guitar
Meta tags
- Title
- Musings on computer science, linguistics, economics and classical guitar | Drewkarnia
- Description
- Musings on computer science, linguistics, economics and classical guitar
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- 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
- Sectigo Limited
- Subject
- drewkarnia.org
- Valid from
- Apr 29, 2026
- Valid to
- Nov 13, 2026
- Days until expiry
- 106
- SAN domains
- drewkarnia.org, www.drewkarnia.org
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 0 · H3 1
Links
3 internal · 8 external · 11 broken
Images
1 total · 0 missing alt
Scripts / Styles
2 scripts · 2 stylesheets
JS / CSS size
0 B · 0 B
Page size
6.9 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Title longer than 60 characters
- Missing canonical link
- 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://lfrd.com
- Final URL
- https://lfrd.com
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 1.21 s
- HTML size
- 6.9 KB
- Redirect chain
- https://lfrd.com
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does lfrd.com use?
- lfrd.com is built with Apache.
- Is lfrd.com secure (HTTPS)?
- Yes. lfrd.com uses TLS 1.3 with a certificate issued by Sectigo Limited, valid until Nov 13, 2026.
- Who hosts lfrd.com?
- Hosting provider information for lfrd.com is not available yet.
- What is lfrd.com's SEO score?
- lfrd.com scored 70/100 for SEO in the latest analysis (fair).
- What is lfrd.com's overall website score?
- lfrd.com has an overall SiteGraph score of 70/100, combining SEO, performance, security, and accessibility.
- Has lfrd.com's score changed over time?
- lfrd.com's overall score has improved by 4 points (from 66 to 70) since Jul 22, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card