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sentabi.jp

https://sentabi.jp· First analyzed 21 May 2026· Updated 21 May 2026
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sentabi.jp
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Mobile screenshot of sentabi.jp
Mobile

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Hosting Provider

Google Cloud Platform
cloud.google.com

IP Address

34.54.116.25

Site Location

🇯🇵 Japanvia tld

Server Location

🇺🇸 Kansas City, United States

ASN

AS396982

Organization

Google Cloud

Nameservers

02.dnsv.jp.03.dnsv.jp.04.dnsv.jp.01.dnsv.jp.

Performance

99

Core Web Vitals

Weight

First Contentful Paint
788 ms10%
Speed Index
1.0 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
3.6 MB
126 requests

Image Optimization

Lazy LoadWebP
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Frontend
Styling
Tailwind CSS
Infrastructure
Hosting
Google Cloud Platform

Technology Stack

9 Technologies Detected

Analytics

3
Google Analytics
Google Analytics 4
Microsoft Clarity

Libraries

1
jQuery

UI Components

1
Swiper

CSS Frameworks

1
Tailwind CSS

Icon Libraries

1
Font Awesome

Fonts

1
Google Fonts

Tag Managers

1
Google Tag Manager

SEO Analysis

C63/100
18
9
1
Meta Tags10/15
Content10/12
Headings3/8
Technical17/25
E-E-A-T0/7
Images6/7
Links5/5
URL5/5
Social3/5
Freshness0/4
Mobile1/4
Indexability3/3
S
sentabi.jpsentabi.jp

Sendai Travel Weather - [Official] Sendai Tourism Information Site

Sendai Travel Weather is the official tourism information site of the Sendai Tourism and International Association. It is packed with tourist information for...

Description truncated.
Title Length66 chars

Recommended: 50-60 chars (~398px / 580px)

Description Length283 chars

Recommended: 120-160 chars

Issues (1)

  • • Missing H1 tag — every page should have exactly one H1

10 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

2,359 URLs

robots.txt

Local SEO

Local Search Readiness

11/100
Poor
3 12 2

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

D48/100
Bot Access
20/25
Machine Read.
13/25
Schema Data
0/25
Citation
15/25

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:4%
Words:2,520
Token eff.:Optimal
Sections/1K:0.4
Depth:1/5

Structured Data

No Schema

Citation Readiness

Opening Summary269w
Descriptive Headingsavg 7w
Canonical URL
Open Graph3/3
Twitter Card0/3
Language Tag
Publish Date
Author Info
Lists
Tables
TL;DR / Summary
About Page Link
Recommendations (8)
AI readiness recommendation preview...
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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.
A
82/100
13
Passed
2
Critical
1
Warnings
Images & Alt Text
20/20
Checks if images have descriptive alt text for screen readers and visually impaired users.
Semantic Structure
20/20
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
14/15
Tests text-to-background color contrast ratios against WCAG AA/AAA minimum requirements.
Keyboard & Focus
7/15
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.
1 recommendation
  • •Accessibility recommendation preview...
Upgrade to view recommendations

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.
40/100
F
376 mg
CO₂e / view
3.6 MB
Page Weight
15%
Cleaner Than
New Visitor
430 mg
vs
Returning (cached)
215 mg
Annual (10K/mo)
45.1 kg
Emission Segments
Data Center
18 mg
Network
111 mg
Device
247 mg
Resource Breakdown
JavaScript
1.1 MB
Images
1.6 MB
CSS
726.6 KB
Fonts
85.2 KB
HTML
93.3 KB
Other
8.5 KB
Green Hosting Verified
Google Cloud
GWF Verified
7 recommendations
  • •Carbon footprint recommendation preview...
Upgrade to view recommendations
C

Security Score

61%Fair
Interactive

HTTPS

No WAF

88d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Google Trust Services

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

Valid From

19.05.2026

Valid Until

17.08.2026

OCSP Stapling

Enabled

Subject Alternative Names (3)

sendai-city.machi-pla.comwww.sentabi.jpsentabi.jp

SHA-256 Fingerprint

3A:38:38:68:18:3A:C8:15:17:AC:CA:82:5A:7A:67:3A:0E:FF:CC:73...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
cache-control
🔴 No Cache(no-cache)
content-encoding
📦 Gzip(gzip)
content-type
text/html; charset=utf-8
date
Thu, 21 May 2026 01:17:47 GMT
link
<https://www.sentabi.jp/assets/application-13faf69adaedda9ff...
Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

0

SPF
DKIM
DMARC

Domain Information

sentabi.jp

DNSSEC
Not Enabled

Privacy & Compliance

Cookie Consent Banner
Privacy Policy
Terms of Service

GDPR Indicators

Privacy policy page linked

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.
B
77/100
Mobile Friendly9 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.
Viewport
width=device-width, initial-scale=1, shrink-to-fit=no
1 recommendation
  • •Mobile compatibility recommendation preview...
Upgrade to view recommendations

Typography & Readability

Zen Maru Gothic

WCAG Partial
66/100
Readability
/30
17/30

14px · LH 1.43

Hierarchy
/20
12/20

1.14x ratio · ✓ H1→H6

WCAG
/25
17/25

1.82:1 min contrast

Performance
/25
20/25

1 font · 1 req

Heading Font

Zen Maru Gothic

Sans16px

Body Font

Zen Maru Gothic

Sans14px

Contrast Ratio

1.82:1

1 issue

Reading Comfort

~41 CPL

Narrow lines
16px
h1
32px
h2
20px
h3
16px
h4
14px
p
Major Second
Scale

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

✅ Optimal line spacing: 1.43 ratio (ideal range 1.4–1.6).

⚠️ Hard to read: Flesch score 30/100. Simplify sentences for wider reach.

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

✅ Perfect heading hierarchy: Sequential h1→h2→h3 with single H1 — ideal for SEO & accessibility.

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

GGoogle FontsFluid TypeFlesch 30

Color Palette

12 unique colors
13.87:1 AAA Dark
#000000
Text· 22.6%
#d2d2d0
Other· 6.4%
#2e0101
Primary· 14.399999999999999%
#502921
Secondary· 7.9%
#794d41
Secondary· 7.8%
#79645d
Secondary· 7.4%
#420f0a
Accent· 7.3%
#afa28a
Secondary· 6.7%

Business & Marketing Stack

3 Tools Detected

Growing

Behavior Analytics

3
Google Tag ManagerFree
Google AnalyticsFree
Microsoft ClarityFree

User behavior and product analytics

1

Categories

3

Total Tools

0

Enterprise

0

Mid-Market

Assessment: Growing marketing technology adoption

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Scripts & Styles

29 Resources

19
Scripts
10
Styles
14
Async
0
Defer

Top Script Sources

cse.google.com(8)google.com(4)googletagmanager.com(2)d.shutto-translation.com(2)scripts.clarity.ms(1)

Website Identity

sentabi.jp

Location detected: 🇯🇵 Japanvia tld
en

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Last analyzed: 21 May 2026 at 01:18

Historical Analysis & Change Tracking