Tools & Wizards About Us

Report Summary

  • 49

    Performance

    Renders faster than
    67% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

mzp.cz

Úvodní stránka - Ministerstvo životního prostředí

Page Load Speed

4.5 sec in total

First Response

883 ms

Resources Loaded

3.1 sec

Page Rendered

565 ms

About Website

Visit mzp.cz now to see the best up-to-date Mzp content for Czech Republic and also check out these interesting facts you probably never knew about mzp.cz

Oficiální webové stránky Ministerstva životního prostředí ČR

Visit mzp.cz

Key Findings

We analyzed Mzp.cz page load time and found that the first response time was 883 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

mzp.cz performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value10.6 s

0/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value90 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.195

63/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

www.mzp.cz

883 ms

app.css

229 ms

ihavecookies.css

284 ms

logo-mzp-cs.svg

401 ms

mzp_stromoradi01.jpg

875 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 95% of them (37 requests) were addressed to the original Mzp.cz, 3% (1 request) were made to Ajax.googleapis.com and 3% (1 request) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Mzp.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 204.9 kB (7%)

Content Size

2.9 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Mzp.cz main page is 2.9 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 45.4 kB

  • Original 59.9 kB
  • After minification 55.7 kB
  • After compression 14.5 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 45.4 kB or 76% of the original size.

Image Optimization

-5%

Potential reduce by 128.5 kB

  • Original 2.7 MB
  • After minification 2.5 MB

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. Mzp images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 12.6 kB

  • Original 104.7 kB
  • After minification 104.7 kB
  • After compression 92.1 kB

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 12.6 kB or 12% of the original size.

CSS Optimization

-16%

Potential reduce by 18.4 kB

  • Original 116.6 kB
  • After minification 116.6 kB
  • After compression 98.2 kB

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. Mzp.cz needs all CSS files to be minified and compressed as it can save up to 18.4 kB or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (38%)

Requests Now

29

After Optimization

18

  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mzp. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

mzp.cz accessibility score

81

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

mzp.cz best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

mzp.cz SEO score

90

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

High

Tap targets are not sized appropriately

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 Mzp.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 Mzp.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 Mzp. 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: