cngcoins.com

https://cngcoins.com· First analyzed 19 May 2026· Updated 19 May 2026

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cngcoins.com

Mobile

Sponsored

Hosting Provider

BigScoots

IP Address

167.253.105.84

Site Location

🇺🇸 United Statesvia ip

Server Location

🇺🇸 Tampa, United States

ASN

AS394303

Organization

BigScoots

Server

Microsoft IIS

CDN

Cloudflare

WAF

Cloudflare

Nameservers

yolanda.ns.cloudflare.com.aragorn.ns.cloudflare.com.

Performance

100

Core Web Vitals

Weight

First Contentful Paint

598 ms10%

Speed Index

777 ms10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

304 KB

27 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

BigScoots

CDN

Cloudflare

Technology Stack

4 Technologies Detected

Libraries

Analytics

Web Servers

Frameworks

SEO Analysis

D50/100

Meta Tags11/15

Content11/12

Headings3/8

Technical7/21

E-E-A-T0/7

Images4/7

Links5/5

URL5/5

Social0/5

Freshness0/4

Mobile1/4

Indexability3/3

cngcoins.comcngcoins.com

CNG-Ancient Greek, Roman, British Coins

Offering Roman coins, Greek coins, ancient coins, British coins, medieval coins, coin auctions, renaissance coins, Indian coins, rare coins, Celtic coins, E...

Description truncated.

Title Length39 chars

Recommended: 50-60 chars (~237px / 580px)

Description Length185 chars

Recommended: 120-160 chars

Issues (2)

• Missing H1 tag — every page should have exactly one H1
• Missing viewport meta tag — page may not be mobile-friendly (Google uses mobile-first indexing)

13 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

robots.txt

Local SEO

Local Search Readiness

8/100

Poor

3 12 2

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

Sponsored

AI & LLM Readiness

D41/100

Bot Access

20/25

Machine Read.

12/25

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.txtinvalid

llms-full.txt

Semantic HTML

Heading Hierarchy

Text ratio:6%

Words:794

Token eff.:Optimal

Sections/1K:13.9

Structured Data

No Schema

Citation Readiness

Opening Summary21w

Descriptive Headingsavg 3.9w

Canonical URL

Open Graph0/3

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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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.

70/100

Passed

Critical

Warnings

Images & Alt Text

20/20

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

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

4/15

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.

52/100

A+

38 mg

CO₂e / view

304.3 KB

Page Weight

90%

Cleaner Than

New Visitor

43 mg

Returning (cached)

22 mg

Annual (10K/mo)

4.5 kg

Emission Segments

Data Center

8 mg

Network

9 mg

Device

20 mg

Resource Breakdown

JavaScript

32.6 KB

Images

43.8 KB

CSS

206.5 KB

HTML

21.4 KB

Green Hosting Not Verified

BigScoots

4 recommendations

•Carbon footprint recommendation preview...

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Security Score

21%Critical

Interactive

HTTPS

No WAF

62d

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/2

Valid From

22.04.2026

Valid Until

21.07.2026

Subject Alternative Names (3)

cngcoins.comftp.cngcoins.comweb.cngcoins.com

SHA-256 Fingerprint

E3:40:FC:F4:33:30:6C:10:C8:A7:66:9E:A0:97:52:46:81:BE:52:C8...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

cache-control

🔴 No Cache(no-cache)

content-encoding

📦 Gzip(gzip)

content-length

21575

content-type

text/html; charset=utf-8

date

Tue, 19 May 2026 10:04:04 GMT

expires

-1

Good Warning Issue

Email Infrastructure

Google Workspace

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (3)

alt2.aspmx.l.google.com

aspmx.l.google.com

alt1.aspmx.l.google.com

Domain Information

cngcoins.com

Domain Age

28y 3m

Created

29.01.1998

Expires

28.01.2028

Last Updated

01.12.2022

Registrar

Network Solutions, LLC

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Data Protection Officer mentioned

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.

36/100

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.

3 recommendations

•Mobile compatibility recommendation preview...

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Typography & Readability

Arial

WCAG Partial

58/100

Readability

/30

15/30

11px · LH --

Hierarchy

/20

7/20

WCAG

/25

16/25

1:1 min contrast

Performance

/25

20/25

System fonts

Heading Font

Arial

Sans

Body Font

Arial

Sans11px

Contrast Ratio

1:1

1 issue

Reading Comfort

~64 CPL

Optimal (45–75)

16px

14px

11px

❌ Critical: 11px body text is too small. Minimum 14px, recommend 16px+.

✅ Optimal line length: ~64 chars/line (ideal 45–75 CPL).

⚠️ Hard to read: Flesch score 44/100. Simplify sentences for wider reach.

⚠️ Partial contrast: 1 elements below WCAG AA threshold (min 1.0:1).

❌ 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 44

Color Palette

9 unique colors

8.01:1 AAA Light

#ffffff

Background· 29.499999999999996%

#4d505d

Secondary· 8.9%

#182170

Primary· 14.9%

#d0b98b

Secondary· 4.6%

#dad6c9

Secondary· 4.2%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

12 Resources

Scripts

Styles

Async

Defer

Top Script Sources

js(6)gstatic.com(1)google.com(1)JS(1)ssl.google-analytics.com(1)

Website Identity

cngcoins.com

cng@cngcoins.com

28 years old

Location detected: 🇺🇸 United Statesvia ip

Network Solutions, LLC📧 Google Workspaceen

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Last analyzed: 19 May 2026 at 10:04

Historical Analysis & Change Tracking