coinarchives.com

https://coinarchives.com· First analyzed 20 May 2026· Updated 20 May 2026

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coinarchives.com

Mobile

Sponsored

Hosting Provider

Vultr

vultr.com

IP Address

140.82.42.148

Site Location

🇺🇸 United Statesvia ip

Server Location

🇺🇸 Piscataway, United States

ASN

AS20473

Organization

Vultr Holdings, LLC

Server

Apache

CDN

Cloudflare

WAF

Cloudflare

Nameservers

jay.ns.cloudflare.com.elle.ns.cloudflare.com.

Performance

Core Web Vitals

Weight

First Contentful Paint

772 ms10%

Speed Index

1.0 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

120 KB

18 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Vultr

CDN

Cloudflare

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

7 Technologies Detected

Analytics

Libraries

Web Servers

Languages

SEO Analysis

D42/100

Meta Tags7/15

Content8/12

Headings0/8

Technical11/25

E-E-A-T0/7

Images2/7

Links5/5

URL5/5

Social0/5

Freshness0/4

Mobile1/4

Indexability3/3

coinarchives.comcoinarchives.com

CoinArchives.com: Numismatic and Market Research for Coins and Medals

No description available for this page.

Title Length69 chars

Recommended: 50-60 chars (~424px / 580px)

Description Length0 chars

Recommended: 120-160 chars

Issues (2)

• Missing meta description — important for click-through rates in SERPs
• Missing H1 tag — every page should have exactly one H1

12 issues found

Upgrade to view details

Crawlability

Sitemap

robots.txt

20 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

F22/100

Bot Access

17/25

Machine Read.

2/25

Schema Data

0/25

Citation

3/25

AI Bot Access

10/14 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:16%

Words:200

Token eff.:Too Short

Structured Data

No Schema

Citation Readiness

Opening Summary

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 (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.

56/100

Passed

Critical

Warnings

Images & Alt Text

10/20

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

Semantic Structure

3/20

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.

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.

53/100

A+

15 mg

CO₂e / view

120.0 KB

Page Weight

95%

Cleaner Than

New Visitor

17 mg

Returning (cached)

9 mg

Annual (10K/mo)

1.8 kg

Emission Segments

Data Center

3 mg

Network

4 mg

Device

8 mg

Resource Breakdown

JavaScript

36.4 KB

Images

73.7 KB

CSS

6.7 KB

HTML

3.1 KB

Green Hosting Not Verified

Vultr

5 recommendations

•Carbon footprint recommendation preview...

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Security Score

21%Critical

Interactive

HTTPS

No WAF

29d

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/1.1

Valid From

21.03.2026

Valid Until

19.06.2026

Subject Alternative Names (2)

coinarchives.comwww.coinarchives.com

SHA-256 Fingerprint

C6:A6:4B:B3:41:E9:EF:F6:B0:4B:DC:23:39:66:6B:73:94:69:D3:B0...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

cache-control

🔴 No Cache(no-store, no-cache, must-revalidate)

connection

Keep-Alive

content-encoding

📦 Gzip(gzip)

content-type

text/html; charset=UTF-8

date

Wed, 20 May 2026 18:51:55 GMT

expires

Thu, 19 Nov 1981 08:52:00 GMT

Good Warning Issue

Email Infrastructure

Google Workspace

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (5)

aspmx2.googlemail.com

alt1.aspmx.l.google.com

alt2.aspmx.l.google.com

aspmx3.googlemail.com

+1 more

Domain Information

coinarchives.com

Domain Age

23y 10m

Created

27.07.2002

Expires

27.07.2028

Last Updated

02.01.2026

Registrar

NameCheap, Inc.

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

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.

66/100

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

1 recommendation

•Mobile compatibility recommendation preview...

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Typography & Readability

Arial

WCAG Partial

59/100

Readability

/30

12/30

13px · LH --

Hierarchy

/20

10/20

WCAG

/25

17/25

1.84:1 min contrast

Performance

/25

20/25

System fonts

Heading Font

Arial

Body Font

Arial

Sans13px

Contrast Ratio

1.84:1

5 issues

Reading Comfort

Single Family

left aligned

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

❌ Very complex text: Flesch score 27/100. Consider shorter sentences and simpler words.

⚠️ Partial contrast: 5 elements below WCAG AA threshold (min 1.8:1).

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

Flesch 27

Color Palette

6 unique colors

3.8:1 AA Large Light

#edefee

Background· 47.79999999999999%

#75797c

Other· 3.9%

#ffffff

Primary· 0%

#7aabb3

Secondary· 2.5%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

8 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(2)google-analytics.com(1)googletagmanager.com(1)ajax.googleapis.com(1)

Website Identity

coinarchives.com

23 years old

Location detected: 🇺🇸 United Statesvia ip

NameCheap, Inc.📧 Google Workspace

Sponsored

Last analyzed: 20 May 2026 at 18:52

Historical Analysis & Change Tracking