lettersofnote.com
Letters of Note | Shaun Usher | Substack
Last scanned Jul 27, 2026, 8:44 AM · 1 view
Overall score
Excellent
Summary
Nothing but history's most interesting letters. This website uses Express hosted on Cloudflare behind Cloudflare CDN. SEO is excellent (100/100) and accessibility is excellent (100/100). Security scores good (85/100) and performance excellent (90/100).
Nothing but history's most interesting letters. Click to read Letters of Note, by Shaun Usher, a Substack publication.
- United States
- Hosted on Cloudflare
Top issues to fix
3 issues found
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.
1 broken link on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
0 issue(s) found
Performance
684 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Nothing but history's most interesting letters. Click to read Letters of Note, by Shaun Usher, a Substack publication.
Meta tags
- Title
- Letters of Note | Shaun Usher | Substack
- Description
- Nothing but history's most interesting letters. Click to read Letters of Note, by Shaun Usher, a Substack publication.
- Canonical
- https://news.lettersofnote.com/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1, maximum-scale=1, user-scalable=0, viewport-fit=cover
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.18.36.24
- 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
- news.lettersofnote.com
- Valid from
- Jul 3, 2026
- Valid to
- Oct 1, 2026
- Days until expiry
- 65
- SAN domains
- news.lettersofnote.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 3 cookie(s) observed
Content & assets
Headings
H1 1 · H2 0 · H3 0
Links
35 internal · 26 external · 1 broken
Images
19 total · 0 missing alt
Scripts / Styles
95 scripts · 24 stylesheets
JS / CSS size
582 KB · 721 KB
Page size
111 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 15
- sitemap.xml
- Found
- URLs in sitemap
- 599
SEO issues
No SEO issues detected.
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://lettersofnote.com
- Final URL
- https://news.lettersofnote.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 682 ms
- HTML size
- 111 KB
- Redirect chain
- https://lettersofnote.com → https://news.lettersofnote.com/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does lettersofnote.com use?
- lettersofnote.com is built with Express, Node.js, Google Analytics, Cloudflare Analytics, Google Ads.
- Is lettersofnote.com secure (HTTPS)?
- Yes. lettersofnote.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 1, 2026.
- Who hosts lettersofnote.com?
- lettersofnote.com is hosted on Cloudflare, behind Cloudflare CDN.
- What is lettersofnote.com's SEO score?
- lettersofnote.com scored 100/100 for SEO in the latest analysis (excellent).
- What is lettersofnote.com's overall website score?
- lettersofnote.com has an overall SiteGraph score of 94/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card