Report Summary

  • 25

    Performance

    Renders faster than
    45% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    34% of websites

  • 82

    SEO

    Google-friendlier than
    52% of websites

mzv.cz

Ministry of Foreign Affairs of the Czech Republic

Page Load Speed

924 ms in total

First Response

460 ms

Resources Loaded

464 ms

Page Rendered

0 ms

mzv.cz screenshot

About Website

Welcome to mzv.cz homepage info - get ready to check Mzv best content for Czech Republic right away, or after learning these important things about mzv.cz

Prezentace MZV ČR, poskytující aktuální informace o ministerstvu, cestách do zahraničí, diplomatických misích, úřadech v zahraničí

Visit mzv.cz

Key Findings

We analyzed Mzv.cz page load time and found that the first response time was 460 ms and then it took 464 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

mzv.cz performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

79/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value5.3 s

58/100

10%

TBT (Total Blocking Time)

Value1,360 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.671

8/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

mzv.cz

460 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Mzv.cz and no external sources were called. The less responsive or slowest element that took the longest time to load (460 ms) belongs to the original domain Mzv.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 86 B (26%)

Content Size

326 B

After Optimization

240 B

In fact, the total size of Mzv.cz main page is 326 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 326 B which makes up the majority of the site volume.

HTML Optimization

-26%

Potential reduce by 86 B

  • Original 326 B
  • After minification 326 B
  • After compression 240 B

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 86 B or 26% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Review

mzv.cz accessibility score

81

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

High

<html> element does not have a valid value for its [lang] attribute.

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

mzv.cz best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

mzv.cz SEO score

82

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

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mzv.cz can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Mzv.cz main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Mzv. 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: