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jins.com

https://jins.com· First analyzed 29 Apr 2026· Updated 29 Apr 2026
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jins.com
Desktop screenshot of jins.com
Mobile screenshot of jins.com
Mobile

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Hosting Provider

Amazon Web Services (AWS)
aws.amazon.com

IP Address

43.207.32.180

Site Location

🇯🇵 Japanvia ip

Server Location

🇯🇵 Tokyo, Japan

ASN

AS16509

Organization

AWS EC2 (ap-northeast-1)

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

a22-65.akam.net.a12-67.akam.net.a2-64.akam.net.a1-134.akam.net.+2 more

Performance

94

Core Web Vitals

Weight

First Contentful Paint
1.2 s10%
Speed Index
1.6 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
11.2 MB
357 requests

Image Optimization

Lazy LoadWebPResponsive
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Shopify
ecommerce
v1.0.40 JINS Today 2026SS Collection/EssentialCustom
Shopify Theme

Detected Apps

Yotpo ReviewsKlaviyoLucky OrangeFacebook ChannelInstagram Shopping+1 more

Technology Stack

16 Technologies Detected

Analytics

4
Google Analytics
Google Analytics 4
Facebook PixelLucky Orange

UI Components

1
Swiper

CSS Frameworks

1
Tailwind CSS

Icon Libraries

1
Font Awesome

Fonts

1
Google Fonts

Tag Managers

1
Google Tag Manager

Email Marketing

1
Klaviyo

Advertising

1
Microsoft Advertising

Reviews

1
Yotpo

Popups & Forms

1
Wisepops

CDN

1
Cloudflare

Customer Support

1
Zendesk

Security

1
reCAPTCHA

SEO Analysis

C69/100
22
4
1
Meta Tags14/15
Content3/12
Headings7/8
Technical18/25
E-E-A-T0/7
Images5/7
Links5/5
URL5/5
Social5/5
Freshness0/4
Mobile4/4
Indexability3/3
J
jins.comjins.com

Prescription Glasses Online | Frames & Sunglasses | JINS Eyewear

JINS, prescription eyeglasses & sunglasses that suit your style & budget. A collection with a wide variety of affordable, high quality & stylish frames online.

Title Length64 chars

Recommended: 50-60 chars (~388px / 580px)

Description Length159 chars

Recommended: 120-160 chars

Issues (1)

  • • Very thin content (0 words). Search engines need substantial content for ranking.

5 issues found

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Crawlability

Sitemap

Type: index

6 URLs

6 sub-sitemaps

robots.txt

163 rules

Sitemap reference found

Local SEO

Local Search Readiness

12/100
Poor
4 13 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

F33/100
Bot Access
20/25
Machine Read.
7/25
Schema Data
1/25
Citation
5/25

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:1%
Words:916
Token eff.:Optimal

Structured Data

Microdata
Organization×1.1(min)microdata

Citation Readiness

Opening Summary
Descriptive Headings
Canonical URL
Open Graph3/3
Twitter Card3/3
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.
C
63/100
7
Passed
5
Critical
0
Warnings
Images & Alt Text
20/20
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
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.
37/100
F
1.16 g
CO₂e / view
11.2 MB
Page Weight
5%
Cleaner Than
New Visitor
1.32 g
vs
Returning (cached)
662 mg
Annual (10K/mo)
139.1 kg
Emission Segments
Data Center
57 mg
Network
341 mg
Device
762 mg
Resource Breakdown
JavaScript
1.7 MB
Images
8.7 MB
CSS
318.2 KB
Fonts
259.5 KB
HTML
80.0 KB
Other
143.9 KB
Green Hosting Verified
Amazon Web Services (AWS)
Provider Match
8 recommendations
  • •Carbon footprint recommendation preview...
Upgrade to view recommendations
C

Security Score

65%Fair
Critical / Transactional

HTTPS

WAF

72d

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+H3

Valid From

12.04.2026

Valid Until

11.07.2026

Subject Alternative Names (1)

us.jins.com

SHA-256 Fingerprint

17:9F:A3:D7:E0:7B:46:A4:AC:BC:6E:A3:F9:9B:11:3E:BE:D1:76:01...

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HTTP Headers

Developer Console

alt-svc
h3=":443"; ma=86400
cf-cache-status
DYNAMIC
cf-ray🇦🇹 Vienna
9f420c3fe88d5bb8-VIE
content-encoding
⚡ Brotli(br)
content-language
en-US
content-length
81647
Good Warning Issue

Email Infrastructure

Google Workspace

Score

90

SPF
DKIM
DMARC

DMARC Policy

None (Monitor Only)

MX Records (6)

alt1.aspmx.l.google.com
aspmx.l.google.com
ms56727065.msv1.invalid
alt4.aspmx.l.google.com

+2 more

Domain Information

jins.com

Domain Age
25y 3m

Created

31.01.2001

Expires

31.01.2027

Last Updated

21.11.2025

Registrar

1API GmbH

DNSSEC
Not Enabled

Privacy & Compliance

Cookie Consent Banner
Privacy Policy
Terms of Service

GDPR Indicators

Cookie consent banner detected
Privacy policy page linked
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.
D
44/100
Not Mobile Friendly65 breakpoints
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...
Upgrade to view recommendations

Typography & Readability

JINS_NextLight + JINS_NextMedium

WCAG Partial
49/100
Readability
/30
10/30

12px · LH 1.10

Hierarchy
/20
11/20

3.17x ratio

WCAG
/25
16/25

3.84:1 min contrast

Performance
/25
12/25

3 fonts · 23 req

Heading Font

JINS_NextLight

Sans38px

Body Font

JINS_NextMedium

Sans12px

Contrast Ratio

3.84:1

1 issue

Reading Comfort

~50 CPL

Optimal (45–75)
38px
h1
38px
h2
12px
p

❌ Critical: 12px body text is too small. Minimum 14px, recommend 16px+.

⚠️ Tight line spacing (1.10). Increase to 1.4–1.6 for better readability.

✅ Optimal line length: ~50 chars/line (ideal 45–75 CPL).

⚠️ Partial contrast: 1 elements below WCAG AA threshold (min 3.8:1).

❌ Broken heading hierarchy: 3 level skip(s). Screen readers rely on sequential headings (h1→h2→h3).

✅ Strong hierarchy: Headlines are 3.2x larger than body text.

GGoogle FontsBuy on MyFontsFluid TypeFlesch 51

Color Palette

7 unique colors
8.59:1 AAA Dark
#4c4c4c
Other· 46.50000000000001%
#ffffff
Background· 16.4%
#111111
Primary· 0%
#e1d8d1
Secondary· 8.4%
#2f2228
Secondary· 4.3%

Business & Marketing Stack

5 Tools Detected

Enterprise

Marketing Automation

1
KlaviyoE-commerce

Email marketing and automation platforms

Behavior Analytics

2
Google Tag ManagerFree
Google AnalyticsFree

User behavior and product analytics

Advertising

1
Facebook PixelMid-Market

Ad platforms and retargeting pixels

Reviews & Social Proof

1
YotpoMid-Market

Customer reviews and testimonials

4

Categories

5

Total Tools

0

Enterprise

2

Mid-Market

Assessment: Sophisticated marketing and sales technology infrastructure

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Scripts & Styles

30 Resources

20
Scripts
10
Styles
17
Async
3
Defer

Top Script Sources

cdn.shopify.com(4)connect.facebook.net(3)googletagmanager.com(2)cdn-v2.richpanel.com(1)cdn2.recomaticapp.com(1)

Website Identity

jins.com

25 years old
Location detected: 🇯🇵 Japanvia ip
1API GmbH📧 Google Workspaceen

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Last analyzed: 29 Apr 2026 at 23:22

Historical Analysis & Change Tracking