StackOptic
Back to Search
linqpad.net favicon

linqpad.net

https://linqpad.net· First analyzed 12 May 2026· Updated 12 May 2026
Export
linqpad.net
Desktop screenshot of linqpad.net
Mobile screenshot of linqpad.net
Mobile

Sponsored

Hosting Provider

Microsoft Azure
azure.microsoft.com

IP Address

52.162.107.30

Site Location

🇺🇸 United Statesvia ip

Server Location

🇺🇸 Chicago, United States

ASN

AS8075

Organization

Microsoft Azure App Service (northcentralus)

Nameservers

ns-708.awsdns-24.net.ns-1033.awsdns-01.org.ns-1657.awsdns-15.co.uk.ns-471.awsdns-58.com.

Performance

99

Core Web Vitals

Weight

First Contentful Paint
729 ms10%
Speed Index
948 ms10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
2.7 MB
21 requests
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Infrastructure
Hosting
Microsoft Azure

SEO Analysis

D55/100
15
8
2
Meta Tags9/15
Content12/12
Headings4/8
Technical12/25
E-E-A-T0/7
Images1/7
Links5/5
URL5/5
Social0/5
Freshness0/4
Mobile4/4
Indexability3/3
L
linqpad.netlinqpad.net

LINQPad - The .NET Programmer's Playground

No description available for this page.

Title Length42 chars

Recommended: 50-60 chars (~260px / 580px)

Description Length0 chars

Recommended: 120-160 chars

Issues (2)

  • • Missing meta description — important for click-through rates in SERPs
  • • Most images missing alt text (12/18) — critical for accessibility and SEO

10 issues found

Upgrade to view details

Crawlability

Sitemap
robots.txt

3 rules

Local SEO

Local Search Readiness

3/100
Poor
1 14 2

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

Sponsored

AI & LLM Readiness

D44/100
Bot Access
20/25
Machine Read.
15/25
Schema Data
0/25
Citation
9/25

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
blockquotescode blocksheader/footer
Text ratio:33%
Words:994
Token eff.:Optimal
Depth:3/5

Structured Data

No Schema

Citation Readiness

Opening Summary40w
Descriptive Headings
Canonical URL
Open Graph0/3
Twitter Card0/3
Language Tag
Publish Date
Author Info
Lists
Tables
TL;DR / Summary
About Page Link
Recommendations (8)
AI readiness recommendation preview...
Upgrade to view recommendations

Sponsored

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.
C
66/100
8
Passed
4
Critical
0
Warnings
Images & Alt Text
10/20
Checks if images have descriptive alt text for screen readers and visually impaired users.
Semantic Structure
16/20
Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.
Forms & Inputs
15/15
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.
2 recommendations
  • •Accessibility recommendation preview...
Upgrade to view recommendations

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.
45/100
D
278 mg
CO₂e / view
2.7 MB
Page Weight
30%
Cleaner Than
New Visitor
318 mg
vs
Returning (cached)
159 mg
Annual (10K/mo)
33.4 kg
Emission Segments
Data Center
14 mg
Network
82 mg
Device
183 mg
Resource Breakdown
Images
2.7 MB
CSS
10.6 KB
HTML
7.6 KB
Green Hosting Verified
Microsoft Azure
Provider Match
5 recommendations
  • •Carbon footprint recommendation preview...
Upgrade to view recommendations
D

Security Score

51%Poor
Interactive

HTTPS

No WAF

92d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

DigiCert Inc

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/1.1

Valid From

12.02.2026

Valid Until

12.08.2026

OCSP Stapling

Enabled

Subject Alternative Names (1)

www.linqpad.net

SHA-256 Fingerprint

6F:9A:48:39:2C:86:24:60:D5:43:6D:D6:27:AD:2A:E8:10:49:ED:2A...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations
Upgrade to view header details

HTTP Headers

Developer Console

cache-control
🟣 Private(private)
content-encoding
📦 Gzip(gzip)
content-length
7529
content-type
text/html; charset=utf-8
date
Tue, 12 May 2026 07:28:31 GMT
permissions-policy
camera=(), microphone=(), geolocation=(self), usb=()
Good Warning Issue

Email Infrastructure

Google Workspace

Score

93

SPF
DKIM
DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (5)

aspmx2.googlemail.com
alt1.aspmx.l.google.com
aspmx3.googlemail.com
aspmx.l.google.com

+1 more

Domain Information

linqpad.net

Domain Age
18y 8m

Created

06.09.2007

Expires

06.09.2029

Last Updated

08.04.2024

Registrar

NameCheap, 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.
D
51/100
Mobile Friendly1 breakpoint
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.
Viewport
width=device-width,initial-scale=1
3 recommendations
  • •Mobile compatibility recommendation preview...
Upgrade to view recommendations

Typography & Readability

calibri

WCAG Partial
68/100
Readability
/30
22/30

16px · LH 1.25

Hierarchy
/20
13/20

2.67x ratio

WCAG
/25
17/25

3.72:1 min contrast

Performance
/25
16/25

1 font

Heading Font

calibri

Sans43px

Body Font

calibri

Sans16px

Contrast Ratio

3.72:1

19 issues

Reading Comfort

~41 CPL

Narrow lines
43px
h1
16px
p

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

⚠️ Tight line spacing (1.25). Increase to 1.4–1.6 for better readability.

⚠️ Hard to read: Flesch score 48/100. Simplify sentences for wider reach.

⚠️ Partial contrast: 19 elements below WCAG AA threshold (min 3.7:1).

⚠️ Minor heading issue: 0 level skip(s) detected. Maintain sequential order for screen readers.

✅ Strong hierarchy: Headlines are 2.7x larger than body text.

Buy on MyFontsFlesch 48

Color Palette

8 unique colors
2.44:1 Fail Light
#ffffff
Background· 78.80000000000001%
#a4a6a8
Other· 3%
#008081
Primary· 6.8999999999999995%
#c0d7db
Secondary· 3.4%
#634956
Secondary· 2.7%
#5da4ab
Secondary· 2.1%
#287a7b
Accent· 0.8%

Sponsored

Scripts & Styles

2 Resources

0
Scripts
2
Styles
0
Async
0
Defer

Top Script Sources

Website Identity

linqpad.net

18 years old
Location detected: 🇺🇸 United Statesvia ip
NameCheap, Inc.📧 Google Workspaceen

Sponsored

Last analyzed: 12 May 2026 at 07:28

Historical Analysis & Change Tracking