jihlava.cz

https://jihlava.cz· First analyzed 19 May 2026· Updated 19 May 2026

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jihlava.cz

$Desktop screenshot of jihlava.cz$

Mobile

Sponsored

Hosting Provider

OptoNet Communication, spol. s.r.o.

IP Address

78.156.158.197

Site Location

🇨🇿 Czech Republicvia tld

Server Location

🇨🇿 Pacov, Czechia

ASN

AS43542

Organization

OptoNet Communication, spol. s.r.o.

Server

Microsoft IIS

Nameservers

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

Performance

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 MB

52 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

OptoNet Communication, spol. s.r.o.

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

2 Technologies Detected

Fonts

Google Fonts

Web Servers

Microsoft IISv10.0

SEO Analysis

C60/100

Meta Tags4/15

Content11/12

Headings8/8

Technical18/25

E-E-A-T0/7

Images2/7

Links5/5

URL5/5

Social0/5

Freshness0/4

Mobile4/4

Indexability3/3

jihlava.czjihlava.cz

Jihlava: Titulní stránka

No description available for this page.

Title Length24 chars

Recommended: 50-60 chars (~137px / 580px)

Description Length0 chars

Recommended: 120-160 chars

Issues (1)

• Missing meta description — important for click-through rates in SERPs

8 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

1 URLs

1 sub-sitemaps

robots.txt

22 rules

Sitemap reference found

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.

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AI & LLM Readiness

F22/100

Bot Access

3/25

Machine Read.

11/25

Schema Data

0/25

Citation

8/25

AI Bot Access

0/14 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:14%

Words:1,627

Token eff.:Optimal

Sections/1K:12.9

Structured Data

No Schema

Citation Readiness

Opening Summary14w

Descriptive Headingsavg 2w

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.

67/100

Passed

Critical

Warnings

Images & Alt Text

20/20

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

Semantic Structure

14/20

Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.

Forms & Inputs

5/15

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...

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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.

31/100

130 mg

CO₂e / view

1.0 MB

Page Weight

70%

Cleaner Than

New Visitor

149 mg

Returning (cached)

74 mg

Annual (10K/mo)

15.6 kg

Emission Segments

Data Center

29 mg

Network

31 mg

Device

70 mg

Resource Breakdown

JavaScript

203.2 KB

Images

248.2 KB

CSS

536.7 KB

HTML

63.5 KB

Green Hosting Not Verified

OptoNet Communication, spol. s.r.o.

6 recommendations

•Carbon footprint recommendation preview...

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Security Score

21%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

TLSv1.2

HTTP Protocol

HTTP/2

Valid From

21.04.2026

Valid Until

20.07.2026

Subject Alternative Names (10)

jihlava-city.czjihlava.comjihlava.czvisitjihlava.comvisitjihlava.euwww.jihlava-city.czwww.jihlava.comwww.jihlava.cz+2 more

SHA-256 Fingerprint

B1:73:C4:59:C7:38:BA:8E:1C:C6:26:F5:6B:15:0C:33:C6:16:B8:13...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

access-control-allow-origin

cache-control

🟣 Private(private)

content-length

64706

content-type

text/html; Charset=utf-8

date

Tue, 19 May 2026 06:01:42 GMT

expires

Tue, 19 May 2026 06:01:42 GMT

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

MX Records (1)

mail2.tcjihlava.cz

Domain Information

jihlava.cz

Domain Age

28y 6m

Created

07.11.1997

Expires

19.10.2026

Last Updated

19.12.2022

Registrar

REG-WEBGLOBE

DNSSEC

Not Enabled

Privacy & Compliance

Cookiebot

Cookie Consent Banner

Cookiebot

GDPR Indicators

Cookie consent banner detected

CMP: Cookiebot

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.

62/100

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...

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Typography & Readability

Roboto

WCAG Partial

56/100

Readability

/30

16/30

14px · LH 1.38

Hierarchy

/20

11/20

1.29x ratio · ✓ H1→H6

WCAG

/25

15/25

1:1 min contrast

Performance

/25

14/25

System fonts

Heading Font

Roboto

Sans18px

Body Font

Roboto

Sans14px

Contrast Ratio

1:1

1 issue

Reading Comfort

~39 CPL

Narrow lines

18px

31px

21px

14px

Minor Third

Scale

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

⚠️ Tight line spacing (1.38). Increase to 1.4–1.6 for better readability.

❌ Very complex text: Flesch score 0/100. Consider shorter sentences and simpler words.

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

✅ 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.

Flesch 0

Color Palette

12 unique colors

Light

#ffffff

Background· 34.099999999999994%

#0468a1

Primary· 11.7%

#ca1517

Primary· 0%

#7d533f

Secondary· 7.9%

#ba9677

Secondary· 7.4%

#19140e

Secondary· 6.1%

#582923

Secondary· 6%

#d7c0a8

Secondary· 5.5%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

16 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(7)translate.googleapis.com(1)google.com(1)translate.google.com(1)aibot.nanotrix.ai(1)

Website Identity

jihlava.cz

epodatelna@jihlava-city.cz

28 years old

Statutární město JihlavaMasarykovo náměstí 97/1586 01 Jihlava 1tel.:565 591 111e-mail:epodatelna@jihlava-city.cz

Location detected: 🇨🇿 Czech Republicvia tld

REG-WEBGLOBEcs

Social Profiles

Facebook Instagram

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Last analyzed: 19 May 2026 at 06:02

Historical Analysis & Change Tracking