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suncalc.net

https://suncalc.net· First analyzed 13 May 2026· Updated 13 May 2026
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suncalc.net
Desktop screenshot of suncalc.net
Mobile screenshot of suncalc.net
Mobile

Sponsored

Hosting Provider

aws.amazon.com

IP Address

75.2.60.5

Site Location

🇺🇸 United Statesvia ip

Server Location

🇺🇸 Seattle, United States

ASN

AS16509

Organization

AWS Global Accelerator (GLOBAL)

Server

Netlify

Nameservers

nsb4.srv53.net.nsd4.srv53.org.nsc1.srv53.net.nsa3.srv53.com.+8 more

Performance

99

Core Web Vitals

Weight

First Contentful Paint
690 ms10%
Speed Index
897 ms10%
Largest Contentful Paint
25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
401 KB
39 requests
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Infrastructure
Platform
Netlify

Technology Stack

5 Technologies Detected

CSS Frameworks

1

Platforms

1

SEO Analysis

D44/100
12
11
2
Meta Tags9/15
Content8/12
Headings6/8
Technical9/21
E-E-A-T0/7
Images1/7
Links2/5
URL5/5
Social0/5
Freshness0/4
Mobile1/4
Indexability3/3
S
suncalc.netsuncalc.net

SunCalc - sun position, sunlight phases, sunrise, sunset, dusk and ...

A little online application with interactive map that shows sun movement and sunlight phases during the given day at the given location.

Title truncated.
Title Length88 chars

Recommended: 50-60 chars (~522px / 580px)

Description Length136 chars

Recommended: 120-160 chars

Issues (2)

  • Title is too long (88 chars, ~522px). Will be truncated in search results.
  • Most images missing alt text (3/3) — critical for accessibility and SEO

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.
10/25
Schema Data
0/25
Citation
4/25

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:3%
Words:325
Token eff.:Optimal

Structured Data

No Schema

Citation Readiness

Opening Summary20w
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 (11)
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.
C
69/100
12
Passed
6
Critical
2
Warnings
Images & Alt Text
17/20
Checks if images have descriptive alt text for screen readers and visually impaired users.
Semantic Structure
11/20
Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.
Forms & Inputs
10/15
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
7/15
Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).
ARIA & Roles
9/15
Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
3 recommendations
  • Accessibility recommendation preview...

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.
65/100
A
41 mg
CO₂e / view
400.8 KB
Page Weight
90%
Cleaner Than
New Visitor
46 mg
vs
Returning (cached)
23 mg
Annual (10K/mo)
4.9 kg
Emission Segments
Data Center
2 mg
Network
12 mg
Device
27 mg
Resource Breakdown
JavaScript
381.1 KB
CSS
17.1 KB
HTML
2.6 KB
Green Hosting Verified
Amazon Web Services (AWS)
Provider Match
3 recommendations
  • Carbon footprint recommendation preview...
F

Security Score

36%Critical
Interactive

HTTPS

No WAF

55d

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

Valid From

08.04.2026

Valid Until

07.07.2026

Subject Alternative Names (2)

suncalc.netwww.suncalc.net

SHA-256 Fingerprint

32:7B:4E:21:C8:15:63:52:6D:E4:8B:21:8D:FD:21:86:EB:65:0E:3F...

Top Recommendations

Security recommendation preview

HTTP Headers

Developer Console

accept-ranges
bytes
age
38576
cache-control
🟡 0s(public,max-age=0,must-revalidate)
cache-status
"Netlify Edge"; hit
content-encoding
Brotli(br)
content-length
2396
Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

0

SPF
DKIM
DMARC

Domain Information

suncalc.net

Domain Age
16y 4m

Created

11.01.2010

Expires

11.01.2027

Last Updated

04.01.2026

Registrar

Internet Invest, Ltd. dba Imena.ua

DNSSEC
Not Enabled

Privacy & Compliance

Cookie Consent Banner
Privacy Policy
Terms of Service

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
41/100
Not 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
initial-scale=1.0, user-scalable=no
4 recommendations
  • Mobile compatibility recommendation preview...

Typography & Readability

Georgia + Trebuchet MS

WCAG Partial
61/100
Readability
/30
19/30

13px · LH 1.50

Hierarchy
/20
19/20

2.42x ratio · ✓ H1→H6

WCAG
/25
13/25

2.85:1 min contrast

Performance
/25
10/25

3 fonts

Heading Font

Georgia

Serif32px

Body Font

Trebuchet MS

Sans13px

Contrast Ratio

2.85:1

21 issues

Reading Comfort

~46 CPL

Optimal (45–75)
32px
h1
13px
p

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

✅ Optimal line spacing: 1.50 ratio (ideal range 1.4–1.6).

✅ Optimal line length: ~46 chars/line (ideal 45–75 CPL).

⚠️ Partial contrast: 21 elements below WCAG AA threshold (min 2.9:1).

✅ Perfect heading hierarchy: Sequential h1→h2→h3 with single H1 — ideal for SEO & accessibility.

✅ Strong hierarchy: Headlines are 2.4x larger than body text.

Color Palette

5 unique colors
Light
#e4e3df
Border· 60%
#ebe0b3
Primary· 7.800000000000001%
#baa182
Secondary· 3.6%
#d0cbb8
Secondary· 3.3%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

1

User behavior and product analytics

1

Categories

1

Total Tools

0

Enterprise

0

Mid-Market

Assessment: Growing marketing technology adoption

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Scripts & Styles

22 Resources

20
Scripts
2
Styles
1
Async
0
Defer

Top Script Sources

maps.google.com(9)scripts(8)google.com(1)ssl.google-analytics.com(1)maps.googleapis.com(1)

Website Identity

suncalc.net

16 years old
Location detected: 🇺🇸 United Statesvia ip
Internet Invest, Ltd. dba Imena.ua

Sponsored

Last analyzed: 13 May 2026 at 03:46

Historical Analysis & Change Tracking