nedbatchelder.com
Ned Batchelder
Last scanned Aug 24, 2026, 1:23 PM
Overall score
Great
Summary
Ned Batchelder's personal web site, blog, writings, software, math, parenting, autism. This website uses Google Analytics hosted on DREAMHOST-AS - New Dream Network, LLC, US. SEO is good (80/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance excellent (100/100). Top issue: Missing canonical link.
Ned Batchelder's personal web site, blog, writings, software, math, parenting, autism
- United States
- Hosted on DREAMHOST-AS - New Dream Network, LLC, US
Top issues to fix
5 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 canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
SEO
3 issue(s) found
Performance
243 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Ned Batchelder's personal web site, blog, writings, software, math, parenting, autism
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Ned Batchelder
- Description
- Ned Batchelder's personal web site, blog, writings, software, math, parenting, autism
- 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
- DREAMHOST-AS - New Dream Network, LLC, US
- CDN provider
- —
- IP address
- 208.113.159.94
- ASN
- AS26347 (DREAMHOST-AS - New Dream Network, LLC, US)
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
- www.nedbatchelder.com
- Valid from
- Jul 30, 2026
- Valid to
- Oct 28, 2026
- Days until expiry
- 64
- SAN domains
- nedbatchelder.com, www.nedbatchelder.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 7 · H3 4
Links
68 internal · 11 external · 0 broken
Images
1 total · 0 missing alt
Scripts / Styles
3 scripts · 1 stylesheets
JS / CSS size
73.8 KB · 5.4 KB
Page size
9.4 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 2
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- No structured data (JSON-LD) found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://nedbatchelder.com
- Final URL
- https://nedbatchelder.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 243 ms
- HTML size
- 9.4 KB
- Redirect chain
- https://nedbatchelder.com
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does nedbatchelder.com use?
- nedbatchelder.com is built with Google Analytics.
- Is nedbatchelder.com secure (HTTPS)?
- Yes. nedbatchelder.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 28, 2026.
- Who hosts nedbatchelder.com?
- nedbatchelder.com is hosted on DREAMHOST-AS - New Dream Network, LLC, US.
- What is nedbatchelder.com's SEO score?
- nedbatchelder.com scored 80/100 for SEO in the latest analysis (great).
- What is nedbatchelder.com's overall website score?
- nedbatchelder.com has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card