heinonline.com
Home - HeinOnline
Last scanned Aug 24, 2026, 1:23 PM · 1 view
Overall score
Excellent
Summary
Learn about HeinOnline, a premier online research platform providing access to multidisciplinary current and historical documents. This website uses WordPress. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores excellent (95/100) and performance excellent (100/100). Top issue: robots.txt not found.
Learn about HeinOnline, a premier online research platform providing access to multidisciplinary current and historical documents.
Top issues to fix
4 issues found
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
12 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
2 issue(s) found
Performance
256 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Learn about HeinOnline, a premier online research platform providing access to multidisciplinary current and historical documents.
Meta tags
- Title
- Home - HeinOnline
- Description
- Learn about HeinOnline, a premier online research platform providing access to multidisciplinary current and historical documents.
- Canonical
- https://heinonline.com/
- Language
- en-US
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
- 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
- Network Solutions, LLC
- Subject
- *.heinonline.com
- Valid from
- Apr 13, 2026
- Valid to
- Oct 28, 2026
- Days until expiry
- 64
- SAN domains
- *.heinonline.com, heinonline.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 13 · H3 14
Links
41 internal · 17 external · 12 broken
Images
25 total · 0 missing alt
Scripts / Styles
36 scripts · 45 stylesheets
JS / CSS size
29.0 KB · 42.6 KB
Page size
236 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://heinonline.com
- Final URL
- https://heinonline.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 252 ms
- HTML size
- 236 KB
- Redirect chain
- https://heinonline.com
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does heinonline.com use?
- heinonline.com is built with WordPress, jQuery, Google Analytics, Nginx.
- Is heinonline.com secure (HTTPS)?
- Yes. heinonline.com uses TLS 1.3 with a certificate issued by Network Solutions, LLC, valid until Oct 28, 2026.
- Who hosts heinonline.com?
- Hosting provider information for heinonline.com is not available yet.
- What is heinonline.com's SEO score?
- heinonline.com scored 90/100 for SEO in the latest analysis (excellent).
- What is heinonline.com's overall website score?
- heinonline.com has an overall SiteGraph score of 96/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card