rubikon.pl

https://rubikon.pl· First analyzed 15 May 2026· Updated 15 May 2026

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rubikon.pl

Mobile

Sponsored

Hosting Provider

Warsaw Data Center

IP Address

62.181.3.57

Site Location

🇵🇱 Polandvia tld

Server Location

🇵🇱 Warsaw, Poland

ASN

AS21244

Server

Apache

Nameservers

ns1.rubikon.pl.ns2.rubikon.pl.

Performance

100

Core Web Vitals

Weight

First Contentful Paint

457 ms10%

Speed Index

594 ms10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

82 KB

55 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Warsaw Data Center

Technology Stack

2 Technologies Detected

Web Servers

Apachev2.2.16

Languages

PHPv5.3.3

SEO Analysis

F37/100

Meta Tags8/15

Content7/12

Headings0/8

Technical4/21

E-E-A-T0/7

Images1/7

Links5/5

URL5/5

Social0/5

Freshness0/4

Mobile4/4

Indexability3/3

rubikon.plrubikon.pl

Serwis RUBIKON : ISP - profesjonalne konta e-mail, serwer wirtualny...

Oferujemy profesjonalne konta poczty elektronicznej (email), wirtualne serwery WWW, dostęp do internetu, bezpłatne parkowanie domen. Sprawdź nas: 14 dniowy, ...

Title truncated. Description truncated.

Title Length88 chars

Recommended: 50-60 chars (~533px / 580px)

Description Length180 chars

Recommended: 120-160 chars

Issues (4)

• Title is too long (88 chars, ~533px). Will be truncated in search results.
• Missing H1 tag — every page should have exactly one H1
• Most images missing alt text (13/20) — critical for accessibility and SEO

13 issues found

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Local SEO

Local Search Readiness

2/100

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

F24/100

Bot Access

20/25

Machine Read.

1/25

Schema Data

0/25

Citation

3/25

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:9%

Words:147

Token eff.:Too Short

Structured Data

No Schema

Citation Readiness

Opening Summary

Descriptive Headings

Canonical URL

Open Graph0/3

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.

36/100

Passed

Critical

Warnings

Images & Alt Text

5/20

Checks if images have descriptive alt text for screen readers and visually impaired users.

Semantic Structure

3/20

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

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.

5 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.

53/100

A+

10 mg

CO₂e / view

82.2 KB

Page Weight

95%

Cleaner Than

New Visitor

12 mg

Returning (cached)

6 mg

Annual (10K/mo)

1.2 kg

Emission Segments

Data Center

2 mg

Network

2 mg

Device

6 mg

Resource Breakdown

JavaScript

1.8 KB

Images

73.7 KB

CSS

3.8 KB

HTML

2.9 KB

Green Hosting Not Verified

Warsaw Data Center

4 recommendations

•Carbon footprint recommendation preview...

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Security Score

0%Critical

Critical / Transactional

HTTPS

No WAF

63d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

RSA (4096 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

18.04.2026

Valid Until

17.07.2026

Subject Alternative Names (1)

rubikon.pl

SHA-256 Fingerprint

16:E7:FC:0F:67:22:12:16:C7:6D:3D:28:7E:09:E2:92:C9:FF:26:AE...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

cache-control

🔴 No Cache(no-store, no-cache, must-revalidate, post-check=0, pre-check...)

content-encoding

📦 Gzip(gzip)

content-length

2655

content-type

text/html; charset=ISO-8859-2

date

Fri, 15 May 2026 05:36:08 GMT

expires

Thu, 19 Nov 1981 08:52:00 GMT

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

MX Records (1)

mx0.rubikon.pl

Domain Information

rubikon.pl

Domain Age

27y 9m

Created

21.08.1998

Expires

20.08.2026

Last Updated

20.08.2018

Registrar

Warsaw Data Center sp. z o.o.

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.

29/100

Not 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.

4 recommendations

•Mobile compatibility recommendation preview...

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Typography & Readability

tahoma

WCAG Partial

49/100

Readability

/30

11/30

11px · LH --

Hierarchy

/20

10/20

WCAG

/25

14/25

3.82:1 min contrast

Performance

/25

14/25

1 font

Heading Font

tahoma

Body Font

tahoma

Sans11px

Contrast Ratio

3.82:1

11 issues

Reading Comfort

Single Family

left aligned

❌ Critical: 11px body text is too small. Minimum 14px, recommend 16px+.

❌ Very complex text: Flesch score 14/100. Consider shorter sentences and simpler words.

⚠️ Partial contrast: 11 elements below WCAG AA threshold (min 3.8:1).

✅ Lean font stack: 1 font families keeps load times fast.

⚠️ Missing font-display: swap — users may see invisible text while fonts load (FOIT).

Buy on MyFontsFlesch 15

Color Palette

10 unique colors

Light

#ffffff

Background· 59.4%

#ffedaf

Primary· 22.5%

#f4db04

Accent· 5.9%

#b7af7e

Secondary· 3.3%

#ae9366

Secondary· 2.1%

#fcf3cb

Accent· 1.8%

#85604b

Secondary· 1.7%

#daba55

Accent· 1.5%

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Scripts & Styles

4 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(2)

Website Identity

rubikon.pl

info@rubikon.pl

27 years old

Location detected: 🇵🇱 Polandvia tld

Warsaw Data Center sp. z o.o.

Sponsored

Last analyzed: 15 May 2026 at 05:36

Historical Analysis & Change Tracking