4s2018sydney.org

https://4s2018sydney.org· First analyzed 27 Apr 2026· Updated 27 Apr 2026

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4s2018sydney.org

Mobile

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Hosting Provider

Cloudflare

cloudflare.com

IP Address

104.21.50.106

Site Location

🇨🇦 Canadavia ip

Server Location

🇨🇦 Toronto, Canada

ASN

AS13335

Organization

Cloudflare, Inc.

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

lily.ns.cloudflare.com.andronicus.ns.cloudflare.com.

Performance

100

Core Web Vitals

Weight

First Contentful Paint

570 ms10%

Speed Index

741 ms10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

63 KB

12 requests

Image Optimization

Lazy LoadWebP

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Cloudflare

CDN

Cloudflare

Progressive Web App

Web ManifestApple Touch Icon

Technology Stack

2 Technologies Detected

Fonts

Google Fonts

CDN

Cloudflare

SEO Analysis

A85/100

Meta Tags11/15

Content11/12

Headings8/8

Technical23/25

E-E-A-T7/7

Images3/7

Links3/5

URL5/5

Social5/5

Freshness2/4

Mobile4/4

Indexability3/3

4s2018sydney.org4s2018sydney.org

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Description truncated.

Title Length39 chars

Recommended: 50-60 chars (~231px / 580px)

Description Length196 chars

Recommended: 120-160 chars

Issues (1)

• Most images missing alt text (15/19) — critical for accessibility and SEO

2 issues found

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Crawlability

Sitemap

Type: standard

6 URLs

robots.txt

9 rules

Sitemap reference found

Local SEO

Local Search Readiness

11/100

Poor

3 14 1

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

C67/100

Bot Access

18/25

Machine Read.

15/25

Schema Data

14/25

Citation

20/25

AI Bot Access

11/14 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:39%

Words:1,403

Token eff.:Optimal

Sections/1K:15.7

Structured Data

3 JSON-LD

FAQPage×1.5microdataArticle×1.2Person×1.3(min)Organization×1.1WebSiteBreadcrumbList

Citation Readiness

Opening Summary20w

Descriptive Headingsavg 8.5w

Canonical URL

Open Graph3/3

Twitter Card3/3

Language Tag

Publish Date

Author Info

Lists

Tables

TL;DR / Summary

About Page Link

Recommendations (6)

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.

63/100

Passed

Critical

Warnings

Images & Alt Text

5/20

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

Semantic Structure

18/20

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...

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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.

76/100

A+

6 mg

CO₂e / view

62.5 KB

Page Weight

95%

Cleaner Than

New Visitor

7 mg

Returning (cached)

4 mg

Annual (10K/mo)

756 g

Emission Segments

Data Center

<0.001 g

Network

2 mg

Device

4 mg

Resource Breakdown

JavaScript

515 B

Images

23.5 KB

CSS

30.3 KB

Fonts

1.9 KB

HTML

6.3 KB

Green Hosting Verified

Cloudflare

Provider Match

4 recommendations

•Carbon footprint recommendation preview...

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Security Score

46%Poor

Interactive

HTTPS

WAF

48d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Google Trust Services

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-256

TLS Version

TLSv1.2

HTTP Protocol

HTTP/2+H3

Valid From

17.03.2026

Valid Until

15.06.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

4s2018sydney.org*.4s2018sydney.org

SHA-256 Fingerprint

35:E6:4E:76:9F:98:74:C5:C9:8B:18:E9:C0:90:AD:C7:2B:C7:D1:BC...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

alt-svc

h3=":443"; ma=86400

cf-cache-status

DYNAMIC

cf-ray

9f302bb46d863911-SJC

content-encoding

zstd

content-security-policy

upgrade-insecure-requests;

content-type

text/html; charset=UTF-8

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

Domain Information

4s2018sydney.org

Domain Age

4y 6m

Created

19.10.2021

Expires

19.10.2026

Last Updated

19.02.2025

Registrar

NICENIC INTERNATIONAL GROUP CO., LIMITED

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.

64/100

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

2 recommendations

•Mobile compatibility recommendation preview...

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Typography & Readability

-apple-system

WCAG Fail

80/100

Readability

/30

26/30

16px · LH 1.40

Hierarchy

/20

20/20

3x ratio · ✓ H1→H6

WCAG

/25

12/25

1:1 min contrast

Performance

/25

22/25

System fonts

Heading Font

-apple-system

Sans48px

Body Font

-apple-system

Sans16px

Contrast Ratio

1:1

50 issues

Reading Comfort

~52 CPL

Optimal (45–75)

48px

32px

30px

16px

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

✅ Optimal line spacing: 1.40 ratio (ideal range 1.4–1.6).

✅ Optimal line length: ~52 chars/line (ideal 45–75 CPL).

⚠️ Hard to read: Flesch score 34/100. Simplify sentences for wider reach.

❌ Low contrast: 50 elements fail WCAG AA (min 1.0:1). Increase text/background contrast.

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

GGoogle FontsFlesch 34

Color Palette

10 unique colors

Light

#041038

Primary· 48.50000000000001%

#0a071c

Accent· 15.5%

#031c74

Accent· 7.9%

#9a567d

Secondary· 6.3%

#19437d

Accent· 4.7%

#3286e1

Accent· 4.5%

#d2cbc2

Secondary· 4.5%

#471f55

Secondary· 4.2%

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Scripts & Styles

4 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(1)static.cloudflareinsights.com(1)

Website Identity

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4s2018sydney.org/

4 years old

Location detected: 🇨🇦 Canadavia ip

NICENIC INTERNATIONAL GROUP CO., LIMITEDen

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Last analyzed: 27 Apr 2026 at 19:18

Historical Analysis & Change Tracking