pbschat.com

https://pbschat.com· First analyzed 22 May 2026· Updated 22 May 2026

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pbschat.com

Mobile

Sponsored

Hosting Provider

XSERVER Inc.

IP Address

157.112.187.12

Site Location

🇯🇵 Japanvia ip

Server Location

🇯🇵 Chiyoda City, Japan

ASN

AS131965

Organization

XSERVER Inc.

Server

Nginx

Nameservers

ns2.star-domain.jp.ns3.star-domain.jp.ns1.star-domain.jp.

Performance

100

Core Web Vitals

Weight

First Contentful Paint

629 ms10%

Speed Index

818 ms10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

159 KB

11 requests

Image Optimization

WebP

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Frontend

Styling

Bootstrap

CMS

WordPress

Infrastructure

Hosting

XSERVER Inc.

Technology Stack

4 Technologies Detected

CSS Frameworks

Icon Libraries

Web Servers

SEO Analysis

D44/100

Meta Tags5/15

Content5/12

Headings3/8

Technical10/21

E-E-A-T0/7

Images2/7

Links3/5

URL5/5

Social4/5

Freshness0/4

Mobile4/4

Indexability3/3

pbschat.compbschat.com

PbScript

3DモデルやBlenderのTIPSなどを配布・紹介しています。

Title Length8 chars

Recommended: 50-60 chars (~47px / 580px)

Description Length32 chars

Recommended: 120-160 chars

Issues (2)

• Missing H1 tag — every page should have exactly one H1
• Most images missing alt text (12/12) — critical for accessibility and SEO

10 issues found

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Crawlability

Sitemap

Type: standard

robots.txt

Local SEO

Local Search Readiness

3/100

Poor

1 14 2

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

Sponsored

AI & LLM Readiness

F34/100

Bot Access

20/25

Machine Read.

7/25

Schema Data

0/25

Citation

7/25

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.txtinvalid

llms-full.txt

Semantic HTML

Heading Hierarchy

navheader/footer

Text ratio:3%

Words:56

Token eff.:Too Short

Sections/1K:160

Depth:2/5

Structured Data

No Schema

Citation Readiness

Opening Summary

Descriptive Headingsavg 1.1w

Canonical URL

Open Graph3/3

Twitter Card1/3

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.

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

13/20

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.

63/100

A+

20 mg

CO₂e / view

158.7 KB

Page Weight

95%

Cleaner Than

New Visitor

22 mg

Returning (cached)

11 mg

Annual (10K/mo)

2.4 kg

Emission Segments

Data Center

4 mg

Network

5 mg

Device

11 mg

Resource Breakdown

JavaScript

23.7 KB

Images

78.4 KB

CSS

54.1 KB

HTML

2.6 KB

Green Hosting Not Verified

XSERVER Inc.

4 recommendations

•Carbon footprint recommendation preview...

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Security Score

71%Good

Static / Informational

HTTPS

No WAF

73d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

05.05.2026

Valid Until

03.08.2026

Subject Alternative Names (2)

pbschat.comwww.pbschat.com

SHA-256 Fingerprint

14:51:C5:81:65:6B:51:D6:90:AE:C0:5B:44:4D:E1:39:60:5E:DC:D0...

Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

content-encoding

📦 Gzip(gzip)

content-type

text/html; charset=UTF-8

date

Fri, 22 May 2026 16:07:27 GMT

server

nginx

vary

Accept-Encoding

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

MX Records (1)

pbschat.com

Domain Information

pbschat.com

Domain Age

13y 8m

Created

22.09.2012

Expires

22.09.2027

Last Updated

01.01.2025

Registrar

XServer, Inc.

DNSSEC

Not Enabled

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=1.0

1 recommendation

•Mobile compatibility recommendation preview...

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Typography & Readability

-apple-system

WCAG Partial

66/100

Readability

/30

19/30

14px · LH 1.50

Hierarchy

/20

8/20

WCAG

/25

17/25

4.39:1 min contrast

Performance

/25

22/25

System fonts

Heading Font

-apple-system

Sans

Body Font

-apple-system

Sans14px

Contrast Ratio

4.39:1

3 issues

Reading Comfort

Single Font Family

left aligned

24px

16px

14px

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

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

❌ Very complex text: Flesch score 22/100. Consider shorter sentences and simpler words.

⚠️ Partial contrast: 3 elements below WCAG AA threshold (min 4.4:1).

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

✅ System fonts: Zero font loading delay — best possible LCP impact.

Flesch 22

Color Palette

3 unique colors

Dark

#6c6a68

Other· 1.7%

#f1f4f9

Primary· 96.4%

#c4ccd1

Secondary· 1.9%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

4 Resources

Scripts

Styles

Async

Defer

Top Script Sources

cdn.jsdelivr.net(1)

Website Identity

pbschat.com

13 years old

Location detected: 🇯🇵 Japanvia ip

XServer, Inc.ja

Sponsored

Last analyzed: 22 May 2026 at 16:07

Historical Analysis & Change Tracking