digitalmars.com

https://digitalmars.com· First analyzed 02 May 2026· Updated 02 May 2026

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digitalmars.com

Mobile

Sponsored

Hosting Provider

NetActuate, Inc

IP Address

162.217.114.56

Site Location

🇺🇸 United Statesvia ip

Server Location

🇺🇸 Durham, United States

ASN

AS36236

Organization

NetActuate, Inc

Server

Apache

Nameservers

ns0.digitaldaemon.com.ns1.digitaldaemon.com.

Performance

100

Core Web Vitals

Weight

First Contentful Paint

504 ms10%

Speed Index

655 ms10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

34 KB

13 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

NetActuate, Inc

Technology Stack

2 Technologies Detected

Web Servers

Apachev2.4.46

Languages

PHPv7.3.29

SEO Analysis

D49/100

Meta Tags8/15

Content9/12

Headings3/8

Technical9/25

E-E-A-T0/7

Images1/7

Links5/5

URL5/5

Social2/5

Freshness0/4

Mobile4/4

Indexability3/3

digitalmars.comdigitalmars.com

Digital Mars C, C++ and D Compilers

Digital Mars C, C++ and D Compilers for Win32, Win16, DOS32 and DOS

Title Length35 chars

Recommended: 50-60 chars (~209px / 580px)

Description Length67 chars

Recommended: 120-160 chars

Issues (3)

• Missing H1 tag — every page should have exactly one H1
• Most images missing alt text (5/8) — critical for accessibility and SEO
• Missing viewport meta tag — page may not be mobile-friendly (Google uses mobile-first indexing)

13 issues found

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Crawlability

Sitemap

robots.txt

2 rules

Local SEO

Local Search Readiness

6/100

Poor

2 13 2

This site doesn't appear to be a local business. Local SEO signals are optional for non-local websites.

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AI & LLM Readiness

F34/100

Bot Access

20/25

Machine Read.

8/25

Schema Data

0/25

Citation

6/25

AI Bot Access

14/14 accessible

AI Search

OAI-SearchBot

PerplexityBot

Claude-SearchBot

Gemini-Deep-Research

DuckAssistBot

Training

GPTBot

ClaudeBot

Google-Extended

Meta-ExternalAgent

Bytespiderinfo

Amazonbot

Applebot-Extended

CCBotinfo

Fetch

ChatGPT-User

Machine Readability

llms.txt

llms-full.txt

Semantic HTML

Heading Hierarchy

Text ratio:18%

Words:379

Token eff.:Optimal

Sections/1K:21.1

Structured Data

No Schema

Citation Readiness

Opening Summary18w

Descriptive Headingsavg 1.6w

Canonical URL

Open Graph1/3

Twitter Card0/3

Language Tag

Publish Date

Author Info

Lists

Tables

TL;DR / Summary

About Page Link

Recommendations (12)

AI readiness recommendation preview...

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Accessibility

WCAG 2.1 Compliance

Evaluates how accessible your website is for users with disabilities, based on WCAG 2.1 guidelines. Checks images, forms, keyboard navigation, ARIA roles, and color contrast.

47/100

Passed

Critical

Warnings

Images & Alt Text

10/20

Checks if images have descriptive alt text for screen readers and visually impaired users.

Semantic Structure

7/20

Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.

Forms & Inputs

5/15

Verifies form fields have labels, error messages are clear, and inputs are properly associated.

Color & Contrast

15/15

Tests text-to-background color contrast ratios against WCAG AA/AAA minimum requirements.

Keyboard & Focus

9/15

Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).

ARIA & Roles

1/15

Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.

4 recommendations

•Accessibility recommendation preview...

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Carbon Footprint

SWDM v4 · Eco-Score

Carbon emissions estimated using the Sustainable Web Design Model v4 (SWDM v4). Factors in data center, network, and device energy across new and returning visitors. Grade thresholds based on HTTP Archive percentiles.

51/100

A+

4 mg

CO₂e / view

33.8 KB

Page Weight

95%

Cleaner Than

New Visitor

5 mg

Returning (cached)

2 mg

Annual (10K/mo)

504 g

Emission Segments

Data Center

<0.001 g

Network

1 mg

Device

2 mg

Resource Breakdown

Images

19.6 KB

HTML

14.2 KB

Green Hosting Not Verified

NetActuate, Inc

4 recommendations

•Carbon footprint recommendation preview...

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Security Score

36%Critical

Interactive

HTTPS

No WAF

82d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.2

HTTP Protocol

HTTP/1.1

Valid From

25.04.2026

Valid Until

24.07.2026

Subject Alternative Names (4)

digitalmars.comftp.digitalmars.comnews.digitalmars.comwww.digitalmars.com

SHA-256 Fingerprint

36:76:30:C8:92:54:BB:31:1F:A5:7D:2E:5E:55:BF:EF:46:D8:B5:D7...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

accept-ranges

bytes

connection

Keep-Alive

content-length

14230

content-type

text/html

date

Sat, 02 May 2026 09:49:24 GMT

etag

"3796-6166d20bda2e4"

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

Reject (Strictest)

MX Records (1)

smtp.digitalmars.com

Domain Information

digitalmars.com

Domain Age

26y 6m

Created

26.10.1999

Expires

26.10.2034

Last Updated

16.09.2025

Registrar

Tucows Domains Inc.

DNSSEC

Not Enabled

Mobile Compatibility

Viewport & Responsive Test

Tests how well your website works on mobile devices. Checks viewport configuration, responsive layout, touch targets, font readability, and simulates rendering across different screen sizes.

27/100

Not Mobile Friendly

Viewport Meta

The viewport meta tag tells mobile browsers how to scale the page. Without it, mobile devices render at desktop width.

Responsive Design

Uses CSS media queries or flexible layouts to adapt content to different screen sizes automatically.

Touch Icons

Apple touch icons and favicons displayed when users add the site to their home screen on mobile devices.

Readable Font Size

Base font size should be at least 16px on mobile to ensure text is readable without zooming.

Relative Units

Using em, rem, %, or vw instead of fixed px values allows content to scale properly across screen sizes.

No H-Scroll Risk

No elements wider than the viewport that would cause horizontal scrolling on mobile devices.

Tap Targets OK

Interactive elements (buttons, links) are at least 48x48px with enough spacing to prevent accidental taps.

No Fixed Widths

No elements with fixed pixel widths that could overflow on smaller screens and break the layout.

5 recommendations

•Mobile compatibility recommendation preview...

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Typography & Readability

Arial

WCAG Partial

61/100

Readability

/30

16/30

13px · LH --

Hierarchy

/20

6/20

WCAG

/25

19/25

3.45:1 min contrast

Performance

/25

20/25

System fonts

Heading Font

Arial

Sans

Body Font

Arial

Sans13px

Contrast Ratio

3.45:1

1 issue

Reading Comfort

~49 CPL

Optimal (45–75)

24px

19px

13px

❌ Critical: 13px body text is too small. Minimum 14px, recommend 16px+.

✅ Optimal line length: ~49 chars/line (ideal 45–75 CPL).

⚠️ Hard to read: Flesch score 46/100. Simplify sentences for wider reach.

⚠️ Partial contrast: 1 elements below WCAG AA threshold (min 3.5:1).

❌ Missing H1: Every page should have exactly one H1 element for SEO and accessibility.

✅ System fonts: Zero font loading delay — best possible LCP impact.

Flesch 47

Color Palette

6 unique colors

Light

#ffffff

Background· 65.1%

#a4a3b7

Primary· 6.4%

#70657b

Border· 3.9%

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Scripts & Styles

1 Resources

Scripts

Styles

Async

Defer

Top Script Sources

platform.twitter.com(1)

Website Identity

digitalmars.com

26 years old

Location detected: 🇺🇸 United Statesvia ip

Tucows Domains Inc.en

Social Profiles

GitHub

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Last analyzed: 02 May 2026 at 09:49

Historical Analysis & Change Tracking