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jff5b.cn

https://jff5b.cn· First analyzed 03 Jun 2026· Updated 03 Jun 2026
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jff5b.cn
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Hosting Provider

Asline Limited

IP Address

154.199.200.104

Site Location

🇨🇳 Chinavia tld

Server Location

🇭🇰 Tseung Kwan O, Hong Kong

ASN

AS9294

Organization

Asline Limited

Server

Nginx

Nameservers

ns2.julydns.com.ns1.julydns.com.

Performance

99

Core Web Vitals

Weight

First Contentful Paint
770 ms10%
Speed Index
1.0 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
366 KB
10 requests

Image Optimization

Lazy LoadWebP
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Infrastructure
Hosting
Asline Limited

Technology Stack

2 Technologies Detected

CSS Frameworks

1
Tailwind CSS

Web Servers

1
Nginx

SEO Analysis

B74/100
22
6
0
Meta Tags7/15
Content10/12
Headings8/8
Technical24/25
E-E-A-T2/7
Images6/7
Links5/5
URL5/5
Social0/5
Freshness0/4
Mobile4/4
Indexability3/3
J
jff5b.cnjff5b.cn

吃瓜网混剪大赛-电竞高燃混剪与赛后热评

吃瓜网混剪大赛围绕电竞话题、影视传媒、视频社区、AI剪辑与短视频内容更新展开，域名为jff5b.cn，提供清晰的视频演示、教程说明与社区互动入口。

Title Length19 chars

Recommended: 50-60 chars (~117px / 580px)

Description Length73 chars

Recommended: 120-160 chars

Issues (0)

    6 issues found

    Upgrade to view details

    Crawlability

    Sitemap

    Type: standard

    6 URLs

    robots.txt

    3 rules

    Sitemap reference found

    Allows all crawlers

    Local SEO

    Local Search Readiness

    12/100
    Poor
    3 15

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

    Sponsored

    AI & LLM Readiness

    C63/100
    Bot Access
    20/25
    Machine Read.
    15/25
    Schema Data
    17/25
    Citation
    11/25

    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
    code blocksnavheader/footer
    Text ratio:33%
    Words:514
    Token eff.:Optimal
    Sections/1K:50.6
    Depth:3/5

    Structured Data

    5 JSON-LD
    FAQPage×1.5HowTo×1.5Organization×1.1WebSiteVideoObjectSearchAction

    Citation Readiness

    Opening Summary28w
    Descriptive Headingsavg 1.3w
    Canonical URL
    Open Graph0/3
    Twitter Card0/3
    Language Tag
    Publish Date
    Author Info
    Lists
    Tables
    TL;DR / Summary
    About Page Link
    Recommendations (8)
    AI readiness recommendation preview...
    Upgrade to view recommendations

    Sponsored

    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.
    B
    75/100
    10
    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
    17/20
    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
    4/15
    Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
    2 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.
    68/100
    A
    45 mg
    CO₂e / view
    365.8 KB
    Page Weight
    90%
    Cleaner Than
    New Visitor
    52 mg
    vs
    Returning (cached)
    26 mg
    Annual (10K/mo)
    5.4 kg
    Emission Segments
    Data Center
    10 mg
    Network
    11 mg
    Device
    24 mg
    Resource Breakdown
    JavaScript
    1.0 KB
    Images
    354.3 KB
    CSS
    2.8 KB
    HTML
    7.7 KB
    Green Hosting Not Verified
    Asline Limited
    3 recommendations
    • •Carbon footprint recommendation preview...
    Upgrade to view recommendations
    F

    Security Score

    36%Critical
    Interactive

    HTTPS

    No WAF

    62d

    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

    06.05.2026

    Valid Until

    04.08.2026

    Subject Alternative Names (2)

    jff5b.cnwww.jff5b.cn

    SHA-256 Fingerprint

    53:82:37:11:02:95:C7:28:41:2A:01:FB:AF:21:C2:32:41:4B:04:0D...

    Top Recommendations

    Security recommendation preview

    Upgrade to view recommendations
    Upgrade to view header details

    HTTP Headers

    Developer Console

    content-encoding
    📦 Gzip(gzip)
    content-type
    text/html; charset=UTF-8
    date
    Wed, 03 Jun 2026 09:35:48 GMT
    server
    nginx
    strict-transport-security
    max-age=31536000
    vary
    Accept-Encoding
    Good Warning Issue

    Email Infrastructure

    Custom Mail Server

    Score

    0

    SPF
    DKIM
    DMARC

    Domain Information

    jff5b.cn

    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.
    C
    65/100
    Mobile Friendly
    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...
    Upgrade to view recommendations

    Typography & Readability

    Noto Serif SC + Noto Sans SC

    WCAG Partial
    77/100
    Readability
    /30
    26/30

    18px · LH 1.70

    Hierarchy
    /20
    20/20

    4.11x ratio · ✓ H1→H6

    WCAG
    /25
    15/25

    1.04:1 min contrast

    Performance
    /25
    16/25

    2 fonts

    Heading Font

    Noto Serif SC

    Serif74px

    Body Font

    Noto Sans SC

    Sans18px

    Contrast Ratio

    1.04:1

    42 issues

    Reading Comfort

    ~37 CPL

    Narrow lines
    74px
    h1
    46px
    h2
    25px
    h3
    20px
    h4
    18px
    p

    ✅ Excellent readability: 18px body text is ideal for all devices.

    ⚠️ Partial contrast: 42 elements below WCAG AA threshold (min 1.0:1).

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

    ✅ Strong hierarchy: Headlines are 4.1x larger than body text.

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

    ✅ Lean font stack: 2 font families keeps load times fast.

    Buy on MyFontsFluid TypeFlesch 60

    Color Palette

    8 unique colors
    Light
    #ffffff
    Background· 40.5%
    #ffeaec
    Accent· 23.1%
    #fb606d
    Accent· 9%
    #19140e
    Primary· 8.7%
    #e8d1c9
    Secondary· 6%
    #a37c6d
    Secondary· 3.5%
    #74332b
    Secondary· 3.1%

    Business & Marketing Stack

    1 Tools Detected

    Growing

    Behavior Analytics

    1
    Google AnalyticsFree

    User behavior and product analytics

    1

    Categories

    1

    Total Tools

    0

    Enterprise

    0

    Mid-Market

    Assessment: Growing marketing technology adoption

    Sponsored

    Scripts & Styles

    3 Resources

    2
    Scripts
    1
    Styles
    1
    Async
    0
    Defer

    Top Script Sources

    hm.baidu.com(1)local(1)

    Website Identity

    吃瓜网混剪大赛

    吃瓜网混剪大赛

    Organization

    吃瓜网混剪大赛聚焦国内影视传媒公司与视频社区，提供原创影视、短视频制作、AI剪辑、视频教程、视频演示、弹幕互动与社区陪伴内容，服务域名为jff5b.cn。

    jff5b.cn/
    Location detected: 🇨🇳 Chinavia tld
    zh-CN

    Sponsored

    Last analyzed: 03 Jun 2026 at 09:36

    Historical Analysis & Change Tracking

    jff5b.cn Technology Stack - Built With Tailwind CSS, Nginx | StackOptic | StackOptic