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bangumi.org

https://bangumi.org· First analyzed 11 May 2026· Updated 11 May 2026
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bangumi.org
Desktop screenshot of bangumi.org
Mobile screenshot of bangumi.org
Mobile

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Hosting Provider

Amazon Web Services (AWS)
aws.amazon.com

IP Address

3.164.68.118

Site Location

🇫🇮 Finlandvia ip

Server Location

🇫🇮 Helsinki, Finland

ASN

AS16509

Organization

AWS CloudFront (GLOBAL)

Server

Nginx

CDN

CloudFront

Nameservers

ns-1967.awsdns-53.co.uk.ns-635.awsdns-15.net.ns-1377.awsdns-44.org.ns-188.awsdns-23.com.

Performance

100

Core Web Vitals

Weight

First Contentful Paint
435 ms10%
Speed Index
566 ms10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
6.4 MB
250 requests

Image Optimization

Lazy LoadWebP
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Infrastructure
Platform
AWS CloudFront
CDN
CloudFront

Technology Stack

10 Technologies Detected

Analytics

2
Google Analytics
Google Analytics 4

Advertising

2
Google AdsCriteo

UI Components

1
Swiper

Other

1
lazysizes

CSS Frameworks

1
Tailwind CSS

Fonts

1
Google Fonts

Tag Managers

1
Google Tag Manager

Web Servers

1
Nginx

SEO Analysis

C64/100
17
9
1
Meta Tags10/15
Content10/12
Headings3/8
Technical18/25
E-E-A-T0/7
Images4/7
Links5/5
URL5/5
Social2/5
Freshness0/4
Mobile4/4
Indexability3/3
B
bangumi.orgbangumi.org

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Title Length39 chars

Recommended: 50-60 chars (~240px / 580px)

Description Length72 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
robots.txt

18 rules

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

F38/100
Bot Access
15/25
Machine Read.
13/25
Schema Data
0/25
Citation
10/25

AI Bot Access

8/14 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:3%
Words:1,086
Token eff.:Optimal
Sections/1K:1.8
Depth:1/5

Structured Data

Microdata

Citation Readiness

Opening Summary235w
Descriptive Headingsavg 1.9w
Canonical URL
Open Graph2/3
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.
C
68/100
11
Passed
3
Critical
2
Warnings
Images & Alt Text
10/20
Checks if images have descriptive alt text for screen readers and visually impaired users.
Semantic Structure
18/20
Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.
Forms & Inputs
7/15
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
9/15
Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
3 recommendations
  • •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
661 mg
CO₂e / view
6.4 MB
Page Weight
5%
Cleaner Than
New Visitor
755 mg
vs
Returning (cached)
377 mg
Annual (10K/mo)
79.3 kg
Emission Segments
Data Center
32 mg
Network
194 mg
Device
434 mg
Resource Breakdown
JavaScript
274.4 KB
Images
342 B
CSS
5.9 MB
Fonts
117.9 KB
HTML
30.0 KB
Other
36.4 KB
Green Hosting Verified
Amazon Web Services (AWS)
Provider Match
5 recommendations
  • •Carbon footprint recommendation preview...
Upgrade to view recommendations
D

Security Score

46%Poor
Interactive

HTTPS

No WAF

190d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Amazon

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

20.10.2025

Valid Until

17.11.2026

OCSP Stapling

Enabled

Subject Alternative Names (1)

bangumi.org

SHA-256 Fingerprint

20:0D:BE:C6:75:4F:C3:EF:AA:CB:8F:10:20:8F:37:A1:B3:75:60:CE...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

cache-control
🟡 0s(max-age=0, private, must-revalidate)
content-encoding
📦 Gzip(gzip)
content-type
text/html; charset=utf-8
date
Mon, 11 May 2026 22:34:21 GMT
etag
W/"f801f757e59827bf64c46f50ba4bc58a"
referrer-policy
strict-origin-when-cross-origin
Good Warning Issue

Email Infrastructure

Amazon SES

Score

20

SPF
DKIM
DMARC

MX Records (1)

inbound-smtp.us-east-1.amazonaws.com

Domain Information

bangumi.org

Domain Age
11y 3m

Created

03.02.2015

Expires

03.02.2027

Last Updated

04.01.2026

Registrar

Gandi SAS

DNSSEC
Not Enabled

Privacy & Compliance

Cookie Consent Banner
Privacy Policy
Terms of Service

GDPR Indicators

Cookie consent banner detected
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.
D
54/100
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, user-scalable=no
3 recommendations
  • •Mobile compatibility recommendation preview...
Upgrade to view recommendations

Typography & Readability

ヒラギノ角ゴ Pro W3

WCAG Partial
55/100
Readability
/30
9/30

10px · LH --

Hierarchy
/20
20/20

3.2x ratio · ✓ H1→H6

WCAG
/25
12/25

1.71:1 min contrast

Performance
/25
14/25

System fonts

Heading Font

ヒラギノ角ゴ Pro W3

Sans32px

Body Font

ヒラギノ角ゴ Pro W3

Sans10px

Contrast Ratio

1.71:1

14 issues

Reading Comfort

~42 CPL

Narrow lines
32px
h1
16px
h2
10px
p

❌ Critical: 10px body text is too small. Minimum 14px, recommend 16px+.

❌ Very complex text: Flesch score 17/100. Consider shorter sentences and simpler words.

⚠️ Partial contrast: 14 elements below WCAG AA threshold (min 1.7:1).

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

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

⚠️ Fluid type without rem: clamp() detected but missing rem units. May fail WCAG 1.4.4 zoom test.

GGoogle FontsBuy on MyFontsFluid TypeFlesch 17

Color Palette

6 unique colors
17.22:1 AAA Light
#fafafa
Background· 71.89999999999999%
#191617
Text· 8.5%
#95b8af
Primary· 6.9%
#e9e4cb
Secondary· 5.6%
#f7f8de
Accent· 0.4%

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

2
Google Tag ManagerFree
Google AnalyticsFree

User behavior and product analytics

1

Categories

2

Total Tools

0

Enterprise

0

Mid-Market

Assessment: Growing marketing technology adoption

Ad Networks

Google Ad ManagerPubMaticOpenXPrebid.js

Sponsored

Scripts & Styles

23 Resources

20
Scripts
3
Styles
18
Async
1
Defer

Top Script Sources

googletagmanager.com(8)securepubads.g.doubleclick.net(3)youtube.com(2)player.gliacloud.com(1)google-analytics.com(1)

Website Identity

bangumi.org

11 years old
Location detected: 🇫🇮 Finlandvia ip
Gandi SAS📧 Amazon SESja

Sponsored

Last analyzed: 11 May 2026 at 22:34

Historical Analysis & Change Tracking