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hathitrust.org

https://hathitrust.org· First analyzed 13 Feb 2026· Updated 13 Feb 2026
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hathitrust.org
Desktop screenshot of hathitrust.org
Mobile screenshot of hathitrust.org
Mobile

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Hosting Provider

cloudflare.com

IP Address

162.159.140.37

Server Location

🇨🇦 Toronto, Canada

ASN

AS13335

Organization

Cloudflare, Inc.

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

blue.foundationdns.net.blue.foundationdns.org.blue.foundationdns.com.

Performance

Page Speed

2.7 MB
41 requests

Image Optimization

Lazy LoadResponsive
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Frontend
Styling
Tailwind CSS
CMS
WordPress
Infrastructure
Hosting
Cloudflare
CDN
Cloudflare

Technology Stack

6 Technologies Detected

Frameworks

2

CSS Frameworks

1

Icon Libraries

1

Analytics

1

SEO Analysis

D50/100
7
4
2
H
hathitrust.orghathitrust.org

HathiTrust Digital Library – Millions of books online

No description available for this page.

Title Length53 chars

Recommended: 50-60 chars

Description Length0 chars

Recommended: 120-160 chars

Issues (2)

  • Missing meta description - important for click-through rates
  • Many images missing alt text (10/19)

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Sponsored

D

Security Score

51%Poor
Interactive

HTTPS

WAF

64d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-384

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2+H3

Valid From

19.01.2026

Valid Until

19.04.2026

Subject Alternative Names (8)

babel.hathitrust.orgcatalog.hathitrust.orghathitrust.orgm.babel.hathitrust.orgm.hathitrust.orgmatomo.www.hathitrust.orgold.www.hathitrust.orgwww.hathitrust.org

SHA-256 Fingerprint

5D:2D:8B:84:19:CC:A5:60:76:C0:9E:7B:83:74:F7:91:93:A8:B3:44...

Top Recommendations

Security recommendation preview

HTTP Headers

Developer Console

date
Fri, 13 Feb 2026 19:23:55 GMT
content-type
text/html; charset=UTF-8
server
cloudflare
priority
u=0, i
x-ua-compatible
ie=edge
link
<https://www.hathitrust.org/>; rel=shortlink
Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

65

SPF
DKIM
DMARC

DMARC Policy

None (Monitor Only)

MX Records (3)

route2.mx.cloudflare.net
route1.mx.cloudflare.net
route3.mx.cloudflare.net

Domain Information

hathitrust.org

Domain Age
17y 8m

Created

10.06.2008

Expires

10.06.2027

Last Updated

19.02.2025

Registrar

Tucows Domains Inc.

DNSSEC
Not Enabled

Privacy & Compliance

Cookie Consent Banner
Privacy Policy
Terms of Service

GDPR Indicators

Cookie consent banner detected
Privacy policy page linked

Typography & Readability

Helvetica

63/100
Readability
/30
40/40

16px · LH 1.50

Hierarchy
/20
20/25

1.75x ratio

WCAG
/25
5/15

Contrast: undefined

Performance
/25
13/20

1 font

Heading Font

Helvetica

Sans28px

Body Font

Helvetica

Sans16px

Contrast Ratio

--

Reading Comfort

~57 CPL

Optimal (45–75)
28px
h1
18px
h2
16px
h3
16px
p

✅ Excellent readability: 16px body text is ideal for all devices.

✅ Optimal line spacing: 1.50 ratio ensures comfortable reading.

✅ Good hierarchy: Clear distinction between headlines and body text.

✅ Good performance: Using 1 font families keeps load times fast.

✅ Consistent design: Single font family with weight variations is a modern best practice.

✅ Smart font loading: Using font-display: swap prevents invisible text during load.

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

2

User behavior and product analytics

1

Categories

2

Total Tools

0

Enterprise

1

Mid-Market

Assessment: Growing marketing technology adoption

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Scripts & Styles

11 Resources

7
Scripts
4
Styles
2
Async
0
Defer

Top Script Sources

hathitrust.org(5)matomo.hathitrust.org(1)babel.hathitrust.org(1)

Website Identity

hathitrust.org

17 years old
Tucows Domains Inc.

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Last analyzed: 13 Feb 2026 at 19:24

Historical Analysis & Change Tracking