StackOptic
Back to Search
impuls.cz favicon

impuls.cz

https://impuls.cz· First analyzed 16 May 2026· Updated 16 May 2026
Export
impuls.cz
Desktop screenshot of impuls.cz
Mobile screenshot of impuls.cz
Mobile

Sponsored

Hosting Provider

MAFRA

IP Address

185.17.117.207

Site Location

🇨🇿 Czech Republicvia phone

Server Location

🇨🇿 Prague, Czechia

ASN

AS38952

Organization

MAFRA

Server

Apache

Nameservers

ns2.ignum.cz.ns1.ignum.com.

Performance

95

Core Web Vitals

Weight

First Contentful Paint
1.1 s10%
Speed Index
1.5 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
1.2 MB
178 requests

Image Optimization

Lazy LoadWebP
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Infrastructure
Hosting
MAFRA

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

8 Technologies Detected

Advertising

2
Google AdsGoogle AdSense

CSS Frameworks

1
Tailwind CSS

Fonts

1
Google Fonts

Analytics

1
Google Analytics

Tag Managers

1
Google Tag Manager

Web Servers

1
Apache

Customer Support

1
Zendesk

SEO Analysis

D56/100
15
9
2
Meta Tags9/15
Content10/12
Headings3/8
Technical13/25
E-E-A-T0/7
Images3/7
Links5/5
URL5/5
Social2/5
Freshness0/4
Mobile3/4
Indexability3/3
I
impuls.czimpuls.cz

Rádio Impuls

Impuls.cz – aktuální zprávy, hudba a zábava na jednom místě. Poslouchejte Rádio Impuls online a sledujte nejnovější dění z domova i ze světa.

Title Length12 chars

Recommended: 50-60 chars (~70px / 580px)

Description Length141 chars

Recommended: 120-160 chars

Issues (2)

  • • Missing H1 tag — every page should have exactly one H1
  • • Most images missing alt text (79/145) — critical for accessibility and SEO

11 issues found

Upgrade to view details

Crawlability

Sitemap
robots.txt

2 rules

Local SEO

Local Search Readiness

10/100
Poor
3 12 2

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

Sponsored

AI & LLM Readiness

D40/100
Bot Access
20/25
Machine Read.
7/25
Schema Data
0/25
Citation
13/25

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:3%
Words:1,039
Token eff.:Optimal

Structured Data

No Schema

Citation Readiness

Opening Summary53w
Descriptive Headingsavg 7.5w
Canonical URL
Open Graph1/3
Twitter Card0/3
Language Tag
Publish Date
Author Info
Lists
Tables
TL;DR / Summary
About Page Link
Recommendations (11)
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
71/100
10
Passed
5
Critical
1
Warnings
Images & Alt Text
15/20
Checks if images have descriptive alt text for screen readers and visually impaired users.
Semantic Structure
11/20
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
11/15
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.
4 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.
45/100
C
153 mg
CO₂e / view
1.2 MB
Page Weight
70%
Cleaner Than
New Visitor
174 mg
vs
Returning (cached)
87 mg
Annual (10K/mo)
18.3 kg
Emission Segments
Data Center
34 mg
Network
37 mg
Device
82 mg
Resource Breakdown
JavaScript
284.2 KB
Images
907.7 KB
CSS
21.3 KB
Fonts
1.2 KB
HTML
17.8 KB
Other
667 B
Green Hosting Not Verified
MAFRA
5 recommendations
  • •Carbon footprint recommendation preview...
Upgrade to view recommendations
D

Security Score

46%Poor
Interactive

HTTPS

No WAF

45d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-384

TLS Version

TLSv1.3

HTTP Protocol

HTTP/1.1

Valid From

02.04.2026

Valid Until

01.07.2026

Subject Alternative Names (3)

beta.impuls.czimpuls.czwww.impuls.cz

SHA-256 Fingerprint

BA:CD:B5:F9:0A:D3:EE:92:F0:BE:28:64:CC:19:60:DA:4F:D0:91:16...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations
Upgrade to view header details

HTTP Headers

Developer Console

cache-control
🔵 Public(public, s-maxage=60, stale-while-revalidate=300)
connection
Keep-Alive
content-encoding
📦 Gzip(gzip)
content-length
17977
content-type
text/html; charset=utf-8
date
Sat, 16 May 2026 20:55:15 GMT
Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

50

SPF
DKIM
DMARC

MX Records (4)

smtp4.mafra.cz
smtp1.mafra.cz
smtp2.mafra.cz
smtp3.mafra.cz

Domain Information

impuls.cz

Domain Age
26y 3m

Created

04.02.2000

Expires

02.02.2027

Last Updated

05.12.2019

Registrar

REG-WEBGLOBE

DNSSEC
Not Enabled

Privacy & Compliance

Quantcast Choice

Cookie Consent Banner
Quantcast Choice
Privacy Policy
Terms of Service

GDPR Indicators

Cookie consent banner detected
CMP: Quantcast Choice
Privacy policy page linked
Data Protection Officer mentioned

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.
B
77/100
Mobile Friendly6 breakpoints
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
2 recommendations
  • •Mobile compatibility recommendation preview...
Upgrade to view recommendations

Typography & Readability

Poppins

WCAG AA
64/100
Readability
/30
18/30

13px · LH 1.50

Hierarchy
/20
6/20
WCAG
/25
20/25

5.43:1 min contrast

Performance
/25
20/25

1 font · 1 req

Heading Font

Poppins

Sans

Body Font

Poppins

Sans13px

Contrast Ratio

5.43:1

WCAG AA (≥4.5:1)

Reading Comfort

~47 CPL

Optimal (45–75)
48px
h2
18px
h3
13px
p

❌ Critical: 13px body text is too small. Minimum 14px, recommend 16px+.

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

✅ Optimal line length: ~47 chars/line (ideal 45–75 CPL).

⚠️ Hard to read: Flesch score 49/100. Simplify sentences for wider reach.

✅ WCAG AA contrast: All text meets 4.5:1 ratio (min 5.4:1).

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

GGoogle FontsFluid TypeFlesch 49

Color Palette

9 unique colors
2.34:1 Fail Light
#ffffff
Primary· 40.699999999999996%
#a8aaa7
Other· 6.8%
#fed807
Accent· 16.8%
#3f2771
Secondary· 9.5%
#4b4579
Secondary· 9.1%
#ab0d20
Accent· 8.5%
#c86241
Accent· 4.6%
#f1e9b5
Accent· 3.1%

Business & Marketing Stack

3 Tools Detected

Advanced

Behavior Analytics

2
Google Tag ManagerFree
Google AnalyticsFree

User behavior and product analytics

Advertising

1
Google AdsEnterprise

Ad platforms and retargeting pixels

2

Categories

3

Total Tools

1

Enterprise

0

Mid-Market

Assessment: Well-developed marketing technology stack

Ad Networks

Google AdSensePubMaticPrebid.js

Sponsored

Scripts & Styles

24 Resources

20
Scripts
4
Styles
10
Async
2
Defer

Top Script Sources

cdn.cpex.cz(5)1gr.cz(3)spir.hit.gemius.pl(2)delivery.r2b2.cz(2)sdk.privacy-center.org(2)

Website Identity

impuls.cz

+420 605 222 007
26 years old
Location detected: 🇨🇿 Czech Republicvia phone
REG-WEBGLOBEcs

Sponsored

Last analyzed: 16 May 2026 at 20:55

Historical Analysis & Change Tracking