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kniga-online.com

https://kniga-online.com· First analyzed 28 May 2026· Updated 28 May 2026
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kniga-online.com
Desktop screenshot of kniga-online.com
Mobile screenshot of kniga-online.com
Mobile

Sponsored

Hosting Provider

Zomro

IP Address

185.80.234.243

Site Location

🇳🇱 Netherlandsvia ip

Server Location

🇳🇱 Enschede, Netherlands

ASN

AS204601

Organization

Zomro

Server

Nginx

CDN

Cloudflare

WAF

Cloudflare

Nameservers

lochlan.ns.cloudflare.com.ruth.ns.cloudflare.com.

Performance

99

Core Web Vitals

Weight

First Contentful Paint
778 ms10%
Speed Index
1.0 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
810 KB
108 requests

Image Optimization

Lazy LoadWebP
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Infrastructure
Hosting
Zomro
CDN
Cloudflare

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

6 Technologies Detected

Analytics

2
Google Analytics
Google Analytics 4

CSS Frameworks

1
Tailwind CSS

Icon Libraries

1
Font Awesome

Web Servers

1
Nginx

Languages

1
PHPv7.2.34

SEO Analysis

B71/100
20
6
0
Meta Tags15/15
Content11/12
Headings8/8
Technical18/25
E-E-A-T0/7
Images5/7
Links5/5
URL5/5
Social0/5
Freshness0/4
Mobile1/4
Indexability3/3
K
kniga-online.comkniga-online.com

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Title Length57 chars

Recommended: 50-60 chars (~353px / 580px)

Description Length134 chars

Recommended: 120-160 chars

Issues (0)

    6 issues found

    Upgrade to view details

    Crawlability

    Sitemap

    Type: index

    12 URLs

    12 sub-sitemaps

    robots.txt

    18 rules

    Sitemap reference found

    Local SEO

    Local Search Readiness

    9/100
    Poor
    2 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

    D42/100
    Bot Access
    20/25
    Machine Read.
    10/25
    Schema Data
    0/25
    Citation
    12/25

    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
    Text ratio:7%
    Words:1,748
    Token eff.:Optimal
    Sections/1K:1.1

    Structured Data

    No Schema

    Citation Readiness

    Opening Summary45w
    Descriptive Headingsavg 5w
    Canonical URL
    Open Graph0/3
    Twitter Card0/3
    Language Tag
    Publish Date
    Author Info
    Lists
    Tables
    TL;DR / Summary
    About Page Link
    Recommendations (10)
    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.
    C
    62/100
    9
    Passed
    3
    Critical
    3
    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
    3/15
    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
    7/15
    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.
    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.
    49/100
    B
    100 mg
    CO₂e / view
    810.0 KB
    Page Weight
    80%
    Cleaner Than
    New Visitor
    115 mg
    vs
    Returning (cached)
    57 mg
    Annual (10K/mo)
    12.0 kg
    Emission Segments
    Data Center
    22 mg
    Network
    24 mg
    Device
    54 mg
    Resource Breakdown
    JavaScript
    410.2 KB
    Images
    173.1 KB
    CSS
    204.0 KB
    HTML
    20.6 KB
    Other
    2.0 KB
    Green Hosting Not Verified
    Zomro
    5 recommendations
    • •Carbon footprint recommendation preview...
    Upgrade to view recommendations
    F

    Security Score

    0%Critical
    Critical / Transactional

    HTTPS

    No WAF

    25d

    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

    25.03.2026

    Valid Until

    23.06.2026

    Subject Alternative Names (2)

    *.kniga-online.comkniga-online.com

    SHA-256 Fingerprint

    05:23:5A:F9:6F:13:D3:2D:7E:57:1B:2D:9A:CA:21:AF:FE:D2:81:A4...

    Top Recommendations

    Security recommendation preview

    Upgrade to view recommendations
    Upgrade to view header details

    HTTP Headers

    Developer Console

    access-control-allow-origin
    *
    cache-control
    🔴 No Cache(no-store, no-cache, must-revalidate)
    content-encoding
    📦 Gzip(gzip)
    content-length
    20813
    content-type
    text/html; charset=utf-8
    date
    Thu, 28 May 2026 15:47:45 GMT
    Good Warning Issue

    Email Infrastructure

    Custom Mail Server

    Score

    0

    SPF
    DKIM
    DMARC

    Domain Information

    kniga-online.com

    Domain Age
    5 years

    Created

    14.05.2021

    Expires

    14.05.2027

    Last Updated

    28.04.2026

    Registrar

    NameCheap, Inc.

    DNSSEC
    Not Enabled

    Privacy & Compliance

    Cookie Consent Banner
    Privacy Policy
    Terms of Service

    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
    67/100
    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
    2 recommendations
    • •Mobile compatibility recommendation preview...
    Upgrade to view recommendations

    Typography & Readability

    Exo 2

    WCAG AA
    66/100
    Readability
    /30
    18/30

    14px · LH 1.29

    Hierarchy
    /20
    9/20

    1.29x ratio · ✓ H1→H6

    WCAG
    /25
    21/25

    6.44:1 min contrast

    Performance
    /25
    18/25

    1 font · 2 req

    Heading Font

    Exo 2

    Sans18px

    Body Font

    Exo 2

    Sans14px

    Contrast Ratio

    6.44:1

    WCAG AA (≥4.5:1)

    Reading Comfort

    ~46 CPL

    Optimal (45–75)
    18px
    h1
    18px
    h2
    18px
    h3
    14px
    p
    Minor Second
    Scale

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

    ⚠️ Tight line spacing (1.29). Increase to 1.4–1.6 for better readability.

    ✅ Optimal line length: ~46 chars/line (ideal 45–75 CPL).

    ✅ WCAG AA contrast: All text meets 4.5:1 ratio (min 6.4:1).

    ✅ 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.

    Buy on MyFonts

    Color Palette

    9 unique colors
    Light
    #82817f
    Other· 12.4%
    #f2f6f9
    Primary· 52.00000000000001%
    #c37a52
    Secondary· 7.6%
    #281617
    Secondary· 6.6%
    #dcd6d1
    Secondary· 5.9%
    #dd8e61
    Accent· 5.4%
    #b56340
    Secondary· 3.9%

    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

    18 Resources

    12
    Scripts
    6
    Styles
    7
    Async
    1
    Defer

    Top Script Sources

    local(5)googletagmanager.com(2)cdn.jsdelivr.net(1)google-analytics.com(1)cdn.tds.bid(1)

    Website Identity

    kniga-online.com

    5 years old
    Location detected: 🇳🇱 Netherlandsvia ip
    NameCheap, Inc.ru

    Sponsored

    Last analyzed: 28 May 2026 at 15:48

    Historical Analysis & Change Tracking