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joelonsoftware.com

https://joelonsoftware.com· First analyzed 14 Feb 2026· Updated 14 Feb 2026
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joelonsoftware.com
Desktop screenshot of joelonsoftware.com
Mobile screenshot of joelonsoftware.com
Mobile

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Hosting Provider

pressable.com

IP Address

199.16.173.181

Server Location

🇺🇸 San Francisco, United States

ASN

AS2635

Organization

Pressable

Server

Nginx

Nameservers

ns4hmp.name.com.ns1mtw.name.com.ns2nsw.name.com.ns3flt.name.com.

Performance

Page Speed

299 KB
77 requests

Image Optimization

Jetpack Photon (WordPress)
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
WordPress
cms
Editor Redux
by Automattic Team 51 + Array Themes
View Theme

Technology Stack

15 Technologies Detected

Frameworks

2

Libraries

2

Meta Frameworks

1

CSS Frameworks

1

Icon Libraries

1

Web Servers

1

SEO Analysis

D56/100
8
5
1
J
joelonsoftware.comjoelonsoftware.com

Joel on Software

A weblog by Joel Spolsky, a programmer working in New York City, about software and software companies.

Title Length16 chars

Recommended: 50-60 chars

Description Length103 chars

Recommended: 120-160 chars

Issues (1)

  • Many images missing alt text (6/7)

Crawlability

Sitemap

Type: standard

robots.txt

2 rules

Allows all crawlers

Sponsored

Sponsored

F

Security Score

36%Critical
Interactive

HTTPS

No WAF

75d

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

30.01.2026

Valid Until

30.04.2026

Subject Alternative Names (20)

aucorenovations.combirdroombooks.combleuelephantllc.combrewhousebites.blogcincybookbus.comclickdeploy.shopcm-schmidt.comcommercialtruckinsuranceheadquarters.com+12 more

SHA-256 Fingerprint

BD:3E:F5:C4:4E:9D:7E:F7:FE:98:60:90:4F:B9:33:D6:5D:DE:36:3C...

Top Recommendations

Security recommendation preview

HTTP Headers

Developer Console

server
nginx
date
Sat, 14 Feb 2026 11:13:57 GMT
content-type
text/html; charset=UTF-8
strict-transport-security
max-age=31536000
host-header
wpcloud
vary
Accept-Encoding, accept, content-type, cookie
Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

50

SPF
DKIM
DMARC

MX Records (1)

mxny1.fogcreek.com

Domain Information

joelonsoftware.com

Domain Age
25y 6m

Created

29.07.2000

Expires

01.06.2027

Last Updated

30.09.2019

Registrar

Name.com, Inc.

DNSSEC
Not Enabled

Privacy & Compliance

Cookie Consent Banner
Privacy Policy
Terms of Service

GDPR Indicators

Data Protection Officer mentioned

Typography & Readability

Helvetica Neue

88/100
Readability
/30
40/40

16px · LH 1.50

Hierarchy
/20
25/25

2.5x ratio

WCAG
/25
15/15

Contrast: undefined

Performance
/25
13/20

2 fonts

Heading Font

Helvetica Neue

Sans40px

Body Font

Helvetica Neue

Sans16px

Contrast Ratio

--

Reading Comfort

~47 CPL

Optimal (45–75)
40px
h1
16px
h2
16px
h3
16px
p

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

✅ Optimal line spacing: 1.50 ratio ensures comfortable reading.

✅ Strong hierarchy: Headlines are 2.5x larger than body text.

✅ Good performance: Using 2 font families keeps load times fast.

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

✅ Optimal line length: ~47 characters per line is comfortable to read.

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

1

User behavior and product analytics

Social Media

1

Social widgets and sharing tools

2

Categories

2

Total Tools

0

Enterprise

0

Mid-Market

Assessment: Growing marketing technology adoption

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Scripts & Styles

24 Resources

20
Scripts
4
Styles
3
Async
2
Defer

Top Script Sources

c0.wp.com(10)joelonsoftware.com(4)platform.twitter.com(2)googletagmanager.com(1)secure.gaug.es(1)

Website Identity

Sponsored

Last analyzed: 14 Feb 2026 at 11:14

Historical Analysis & Change Tracking