jkms.org

https://jkms.org· First analyzed 13 May 2026· Updated 13 May 2026

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jkms.org

Mobile

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Hosting Provider

Nextline

IP Address

61.109.250.124

Site Location

🇰🇷 South Koreavia ip

Server Location

🇰🇷 Seongnam-si, South Korea

ASN

AS9952

Organization

Nextline

Server

Nginx

Nameservers

ns1.gabia.co.kr.ns.gabia.net.ns.gabia.co.kr.

Performance

Core Web Vitals

Weight

First Contentful Paint

4.2 s10%

Speed Index

5.4 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

18.1 MB

144 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Frontend

Styling

Tailwind CSS

Infrastructure

Hosting

Nextline

Technology Stack

7 Technologies Detected

CSS Frameworks

Analytics

Libraries

Icon Libraries

Web Servers

SEO Analysis

C62/100

Meta Tags10/15

Content11/12

Headings6/8

Technical13/25

E-E-A-T3/7

Images1/7

Links5/5

URL5/5

Social2/5

Freshness0/4

Mobile3/4

Indexability3/3

jkms.orgjkms.org

:: JKMS :: Journal of Korean Medical Science

Journal of Korean Medical Science

Title Length44 chars

Recommended: 50-60 chars (~260px / 580px)

Description Length33 chars

Recommended: 120-160 chars

Issues (1)

• Most images missing alt text (25/36) — critical for accessibility and SEO

9 issues found

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Crawlability

Sitemap

robots.txt

8 rules

Allows all crawlers

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

F23/100

Bot Access

3/25

Machine Read.

11/25

Schema Data

0/25

Citation

9/25

AI Bot Access

0/14 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

nav

Text ratio:8%

Words:1,332

Token eff.:Optimal

Depth:1/5

Structured Data

No Schema

Citation Readiness

Opening Summary1008w

Descriptive Headings

Canonical URL

Open Graph3/3

Twitter Card0/3

Language Tag

Publish Date

Author Info

Lists

Tables

TL;DR / Summary

About Page Link

Recommendations (11)

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.

64/100

Passed

Critical

Warnings

Images & Alt Text

5/20

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

Semantic Structure

15/20

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

Forms & Inputs

10/15

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

10/15

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.

4/100

2.29 g

CO₂e / view

18.1 MB

Page Weight

Cleaner Than

New Visitor

2.61 g

Returning (cached)

1.31 g

Annual (10K/mo)

274.5 kg

Emission Segments

Data Center

511 mg

Network

549 mg

Device

1.23 g

Resource Breakdown

JavaScript

150.6 KB

Images

13.2 MB

CSS

1.2 MB

HTML

94.9 KB

Other

3.4 MB

Green Hosting Not Verified

Nextline

9 recommendations

•Carbon footprint recommendation preview...

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Security Score

31%Critical

Interactive

HTTPS

No WAF

72d

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/1.1

Valid From

25.04.2026

Valid Until

24.07.2026

Subject Alternative Names (8)

jkms.krjkms.orgm.jkms.krm.jkms.orgpc.jkms.krpc.jkms.orgwww.jkms.krwww.jkms.org

SHA-256 Fingerprint

DE:67:8F:02:D9:EF:DC:4F:79:F4:1B:F5:FA:63:BE:CA:06:F5:DC:AA...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

connection

keep-alive

content-type

text/html; charset=UTF-8

date

Wed, 13 May 2026 11:29:18 GMT

server

nginx

transfer-encoding

chunked

x-content-type-options

nosniff

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

Domain Information

jkms.org

Domain Age

21y 2m

Created

04.03.2005

Expires

04.03.2029

Last Updated

23.12.2025

Registrar

Gabia, Inc.

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.

65/100

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

IBM Plex Sans

WCAG Partial

54/100

Readability

/30

24/30

16px · LH 1.50

Hierarchy

/20

9/20

0.94x ratio

WCAG

/25

12/25

1:1 min contrast

Performance

/25

9/25

1 font · 7 req

Heading Font

IBM Plex Sans

Sans15px

Body Font

IBM Plex Sans

Sans16px

Contrast Ratio

1:1

18 issues

Reading Comfort

Single Font Family

left aligned

15px

16px

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

✅ Optimal line spacing: 1.50 ratio (ideal range 1.4–1.6).

⚠️ Hard to read: Flesch score 35/100. Simplify sentences for wider reach.

⚠️ Partial contrast: 18 elements below WCAG AA threshold (min 1.0:1).

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

❌ Pure vw font sizes: Viewport units alone break browser zoom (WCAG 1.4.4 fail). Use clamp(rem, vw, rem).

Buy on MyFontsFlesch 35

Color Palette

8 unique colors

2:1 Fail Light

#ffffff

Background· 77.09999999999998%

#bab6bb

Other· 2.7%

#efeff3

Primary· 6.8999999999999995%

#a4aabc

Secondary· 3.6%

#826f98

Secondary· 2.9%

#dee0e4

Border· 2.1%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

30 Resources

Scripts

Styles

Async

Defer

Top Script Sources

js(12)googletagmanager.com(2)cdn.jsdelivr.net(2)xmlink.kr(2)google-analytics.com(1)

Website Identity

jkms.org

//jkms@kams.or.kr

21 years old

Location detected: 🇰🇷 South Koreavia ip

Gabia, Inc.en

Social Profiles

X (Twitter)

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Last analyzed: 13 May 2026 at 11:30

Historical Analysis & Change Tracking