marks4antiques.com

https://marks4antiques.com· First analyzed 17 May 2026· Updated 17 May 2026

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marks4antiques.com

Mobile

Sponsored

Hosting Provider

Cloudflare

cloudflare.com

IP Address

104.21.90.13

Site Location

🇨🇦 Canadavia ip

Server Location

🇨🇦 Toronto, Canada

ASN

AS13335

Organization

Cloudflare, Inc.

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

weston.ns.cloudflare.com.lola.ns.cloudflare.com.

Performance

100

Core Web Vitals

Weight

First Contentful Paint

348 ms10%

Speed Index

452 ms10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

8 KB

61 requests

Image Optimization

Lazy LoadWebP

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Cloudflare

CDN

Cloudflare

Technology Stack

4 Technologies Detected

Analytics

CSS Frameworks

CDN

SEO Analysis

B76/100

Meta Tags8/15

Content11/12

Headings5/8

Technical22/25

E-E-A-T2/7

Images6/7

Links5/5

URL5/5

Social5/5

Freshness0/4

Mobile4/4

Indexability3/3

marks4antiques.commarks4antiques.com

Pricing Guides & Dictionary of Makers Marks for Antiques & Collecti...

Research antiques & collectibles with verified auction results, makers’ marks identification tools, and unlimited expert help. Compare values and identify si...

Title truncated. Description truncated.

Title Length71 chars

Recommended: 50-60 chars (~426px / 580px)

Description Length174 chars

Recommended: 120-160 chars

Issues (1)

• Title is too long (71 chars, ~426px). Will be truncated in search results.

4 issues found

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Crawlability

Sitemap

robots.txt

26 rules

Sitemap reference found

Local SEO

Local Search Readiness

15/100

Poor

4 13

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

Sponsored

AI & LLM Readiness

D47/100

Bot Access

15/25

Machine Read.

9/25

Schema Data

9/25

Citation

14/25

AI Bot Access

6/14 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

header/footer

Text ratio:10%

Words:553

Token eff.:Optimal

Sections/1K:7.2

Depth:1/5

Structured Data

5 JSON-LD

Organization×1.1WebSiteProductVideoObject

sameAs entity links

Citation Readiness

Opening Summary20w

Descriptive Headingsavg 2.8w

Canonical URL

Open Graph3/3

Twitter Card3/3

Language Tag

Publish Date

Author Info

Lists

Tables

TL;DR / Summary

About Page Link

Recommendations (8)

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.

73/100

Passed

Critical

Warnings

Images & Alt Text

20/20

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

Semantic Structure

15/20

Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.

Forms & Inputs

8/15

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

6/15

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.

70/100

A+

<0.001 g

CO₂e / view

7.8 KB

Page Weight

95%

Cleaner Than

New Visitor

<0.001 g

Returning (cached)

<0.001 g

Annual (10K/mo)

96 g

Emission Segments

Data Center

<0.001 g

Network

<0.001 g

Device

<0.001 g

Resource Breakdown

HTML

7.8 KB

Green Hosting Verified

Cloudflare

GWF Verified

4 recommendations

•Carbon footprint recommendation preview...

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Security Score

35%Critical

Critical / Transactional

HTTPS

WAF

38d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Google Trust Services

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-256

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2+H3

Valid From

27.03.2026

Valid Until

25.06.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

marks4antiques.com*.marks4antiques.com

SHA-256 Fingerprint

6B:1B:F8:0D:ED:23:CA:FC:82:A0:AA:C1:CF:27:F5:EA:6C:1A:E3:A6...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

alt-svc

h3=":443"; ma=86400

cache-control

🔴 No Cache(no-cache, private)

cf-cache-status

DYNAMIC

cf-ray

9fd37de3cfb0a369-BOS

content-encoding

zstd

content-type

text/html; charset=UTF-8

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (2)

mx00.ionos.com

mx01.ionos.com

Domain Information

marks4antiques.com

Domain Age

19 years

Created

21.05.2007

Expires

21.05.2026

Last Updated

21.05.2025

Registrar

IONOS SE

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.

61/100

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

Verdana

WCAG Partial

62/100

Readability

/30

20/30

16px · LH --

Hierarchy

/20

12/20

1.12x ratio

WCAG

/25

16/25

1.05:1 min contrast

Performance

/25

14/25

1 font

Heading Font

Verdana

Sans18px

Body Font

Verdana

Sans16px

Contrast Ratio

1.05:1

4 issues

Reading Comfort

~35 CPL

Narrow lines

18px

20px

16px

Major Second

Scale

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

⚠️ Hard to read: Flesch score 33/100. Simplify sentences for wider reach.

⚠️ Partial contrast: 4 elements below WCAG AA threshold (min 1.1:1).

⚠️ Minor heading issue: 1 level skip(s) detected. Maintain sequential order for screen readers.

⚠️ Weak hierarchy: Headlines should be ≥2x body size for clear visual structure.

⚠️ Fluid type without rem: clamp() detected but missing rem units. May fail WCAG 1.4.4 zoom test.

Buy on MyFontsFluid TypeFlesch 33

Color Palette

6 unique colors

Light

#ffffff

Background· 63.300000000000004%

#b3c2c2

Primary· 8.8%

#b89f78

Secondary· 8.2%

#4f9cb9

Secondary· 7.9%

#61584e

Secondary· 7.1%

#e8dbc4

Secondary· 4.6%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

10 Resources

Scripts

Styles

Async

Defer

Top Script Sources

marks4antiques.com(2)googletagmanager.com(1)static.cloudflareinsights.com(1)

Website Identity

Marks4Antiques

Organization

All-in-one membership for antique identification and pricing: unlimited expert advice, accurate price guides, and thousands of worldwide makers’ marks.

marks4antiques.com/

19 years old

Location detected: 🇨🇦 Canadavia ip

IONOS SEenEst. 2004

Sponsored

Last analyzed: 17 May 2026 at 15:01

Historical Analysis & Change Tracking