jump-net.com

https://jump-net.com· First analyzed 02 Jun 2026· Updated 02 Jun 2026

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jump-net.com

Mobile

Sponsored

Hosting Provider

SAKURA Internet Inc.

IP Address

160.16.212.245

Site Location

🇯🇵 Japanvia ip

Server Location

🇯🇵 Tokyo, Japan

ASN

AS9370

Organization

SAKURA Internet Inc.

Server

Apache

Nameservers

ns1.value-domain.com.ns2.value-domain.com.

Performance

Core Web Vitals

Weight

First Contentful Paint

1.1 s10%

Speed Index

1.4 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

279 KB

12 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Frontend

Styling

Bootstrap

Infrastructure

Hosting

SAKURA Internet Inc.

Technology Stack

8 Technologies Detected

Libraries

CSS Frameworks

Analytics

Web Servers

Languages

SEO Analysis

D40/100

Meta Tags5/15

Content6/12

Headings1/8

Technical10/25

E-E-A-T0/7

Images1/7

Links5/5

URL5/5

Social0/5

Freshness0/4

Mobile4/4

Indexability3/3

jump-net.comjump-net.com

まとめブログビルダー

まとめブログビルダーは、まとめブログを簡単に作成できる無料サービスです。

Title Length10 chars

Recommended: 50-60 chars (~62px / 580px)

Description Length36 chars

Recommended: 120-160 chars

Issues (2)

• Missing H1 tag — every page should have exactly one H1
• Most images missing alt text (5/5) — critical for accessibility and SEO

13 issues found

Upgrade to view details

Crawlability

Sitemap

robots.txt

2 rules

Allows all crawlers

Local SEO

Local Search Readiness

0/100

Poor

15 2

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

Sponsored

AI & LLM Readiness

F24/100

Bot Access

20/25

Machine Read.

2/25

Schema Data

0/25

Citation

2/25

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

nav

Text ratio:9%

Words:100

Token eff.:Too Short

Depth:1/5

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.

51/100

Passed

Critical

Warnings

Images & Alt Text

5/20

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

Semantic Structure

6/20

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.

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.

46/100

A+

35 mg

CO₂e / view

279.3 KB

Page Weight

90%

Cleaner Than

New Visitor

40 mg

Returning (cached)

20 mg

Annual (10K/mo)

4.1 kg

Emission Segments

Data Center

8 mg

Network

8 mg

Device

19 mg

Resource Breakdown

JavaScript

115.0 KB

Images

141.9 KB

CSS

10.1 KB

HTML

12.2 KB

Green Hosting Not Verified

SAKURA Internet Inc.

6 recommendations

•Carbon footprint recommendation preview...

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Security Score

21%Critical

Interactive

HTTPS

No WAF

57d

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

Valid From

30.04.2026

Valid Until

29.07.2026

Subject Alternative Names (1)

jump-net.com

SHA-256 Fingerprint

1A:3E:FE:1A:0F:9F:0C:15:A7:5E:2C:8E:82:90:C2:2E:CF:EF:FF:F6...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

cache-control

🔴 No Cache(no-store, no-cache, must-revalidate, post-check=0, pre-check...)

connection

Keep-Alive

content-type

text/html

date

Tue, 02 Jun 2026 07:28:14 GMT

expires

Mon, 26 Jul 1997 05:00:00 GMT

keep-alive

timeout=15, max=100

Good Warning Issue

Email Infrastructure

Zoho Mail

Score

SPF

DKIM

DMARC

MX Records (3)

mx.zoho.com

mx2.zoho.com

jump-net.com

Domain Information

jump-net.com

Domain Age

16y 11m

Created

29.06.2009

Expires

29.06.2026

Last Updated

15.07.2025

Registrar

eNom, LLC

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.

53/100

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, maximum-scale=2.0, user-scalable=1

3 recommendations

•Mobile compatibility recommendation preview...

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Typography & Readability

Times New Roman

WCAG AAA

61/100

Readability

/30

17/30

14px · LH --

Hierarchy

/20

6/20

WCAG

/25

24/25

9.4:1 min contrast

Performance

/25

14/25

1 font

Heading Font

Times New Roman

Body Font

Times New Roman

Serif14px

Contrast Ratio

9.4:1

WCAG AAA (≥7:1)

Reading Comfort

Single Family

left aligned

14px

⚠️ Small text: 14px may strain on mobile. Use ≥16px for WCAG compliance.

✅ WCAG AAA contrast: All text meets 7:1 ratio (min 9.4:1).

❌ Missing H1: Every page should have exactly one H1 element for SEO and accessibility.

✅ Lean font stack: 1 font families keeps load times fast.

⚠️ Missing font-display: swap — users may see invisible text while fonts load (FOIT).

Buy on MyFonts

Color Palette

10 unique colors

Light

#ffffff

Background· 92.89999999999999%

#b9a6c9

Primary· 1.2%

#017868

Accent· 1.1%

#e9e6ed

Secondary· 0.9%

#aae6dc

Accent· 0.8%

#67beae

Secondary· 0.8%

#704f82

Secondary· 0.8%

#cbc2dd

Secondary· 0.6%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

7 Resources

Scripts

Styles

Async

Defer

Top Script Sources

ajax.googleapis.com(2)google-analytics.com(1)maxcdn.bootstrapcdn.com(1)js(1)

Website Identity

jump-net.com

16 years old

Location detected: 🇯🇵 Japanvia ip

eNom, LLC📧 Zoho Mail

Sponsored

Last analyzed: 02 Jun 2026 at 07:28

Historical Analysis & Change Tracking