Tools & Wizards About Us

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

kvalitnialarmy.cz

Kvalitní Alarmy Vojtěch - Profesionální zabezpečení vozidel a objektů JABLOTRON - zaruka až 7 LET.

Page Load Speed

52.5 sec in total

First Response

5.4 sec

Resources Loaded

45.3 sec

Page Rendered

1.9 sec

About Website

Visit kvalitnialarmy.cz now to see the best up-to-date Kvalitni Alarmy content and also check out these interesting facts you probably never knew about kvalitnialarmy.cz

Alarmy Vojtěch - zabezpečovací technika od společnosti Jablotron. Alarm systémy pro zabezpečení i přístupové systémy, kamery, mobily a vše nejen od Jablotronu.

Visit kvalitnialarmy.cz

Key Findings

We analyzed Kvalitnialarmy.cz page load time and found that the first response time was 5.4 sec and then it took 47.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 18 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

kvalitnialarmy.cz performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

6/100

10%

LCP (Largest Contentful Paint)

Value9.7 s

0/100

25%

SI (Speed Index)

Value7.5 s

26/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0.069

96/100

15%

TTI (Time to Interactive)

Value12.4 s

14/100

10%

Network Requests Diagram

index.php

5389 ms

prototype.js

6057 ms

scriptaculous.js

5295 ms

lightbox.js

5611 ms

lightbox.css

388 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 94% of them (45 requests) were addressed to the original Kvalitnialarmy.cz, 4% (2 requests) were made to C1.navrcholu.cz and 2% (1 request) were made to Heureka.cz. The less responsive or slowest element that took the longest time to load (20 sec) belongs to the original domain Kvalitnialarmy.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 62.8 kB (79%)

Content Size

79.6 kB

After Optimization

16.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kvalitnialarmy.cz main page is 79.6 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 71.3 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 60.9 kB

  • Original 71.3 kB
  • After minification 70.2 kB
  • After compression 10.4 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 60.9 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 2 B

  • Original 5.1 kB
  • After minification 5.1 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Kvalitni Alarmy images are well optimized though.

JavaScript Optimization

-50%

Potential reduce by 806 B

  • Original 1.6 kB
  • After minification 1.5 kB
  • After compression 808 B

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 806 B or 50% of the original size.

CSS Optimization

-66%

Potential reduce by 1.1 kB

  • Original 1.6 kB
  • After minification 1.4 kB
  • After compression 559 B

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Kvalitnialarmy.cz needs all CSS files to be minified and compressed as it can save up to 1.1 kB or 66% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (83%)

Requests Now

29

After Optimization

5

  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kvalitni Alarmy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

kvalitnialarmy.cz accessibility score

94

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Links do not have a discernible name

Best Practices

kvalitnialarmy.cz best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

kvalitnialarmy.cz SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kvalitnialarmy.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it matches the claimed language. Our system also found out that Kvalitnialarmy.cz main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph description is not detected on the main page of Kvalitni Alarmy. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: