Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

hzszlk.eu

HZS Zlínského kraje - Hasičský záchranný sbor České republiky

Page Load Speed

890 ms in total

First Response

315 ms

Resources Loaded

516 ms

Page Rendered

59 ms

hzszlk.eu screenshot

About Website

Click here to check amazing HZS Zlk content for Czech Republic. Otherwise, check out these important facts you probably never knew about hzszlk.eu

 

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Key Findings

We analyzed Hzszlk.eu page load time and found that the first response time was 315 ms and then it took 575 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

hzszlk.eu performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.8 s

100/100

25%

SI (Speed Index)

Value1.1 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

Network Requests Diagram

hzszlk.eu

315 ms

styly.css

191 ms

znak.jpg

192 ms

loading.gif

192 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that all of those requests were addressed to Hzszlk.eu and no external sources were called. The less responsive or slowest element that took the longest time to load (315 ms) belongs to the original domain Hzszlk.eu.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.8 kB (11%)

Content Size

17.0 kB

After Optimization

15.2 kB

In fact, the total size of Hzszlk.eu main page is 17.0 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. Images take 15.3 kB which makes up the majority of the site volume.

HTML Optimization

-55%

Potential reduce by 872 B

  • Original 1.6 kB
  • After minification 1.5 kB
  • After compression 717 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 872 B or 55% of the original size.

Image Optimization

-6%

Potential reduce by 892 B

  • Original 15.3 kB
  • After minification 14.4 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. HZS Zlk images are well optimized though.

CSS Optimization

-24%

Potential reduce by 39 B

  • Original 165 B
  • After minification 144 B
  • After compression 126 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. Hzszlk.eu needs all CSS files to be minified and compressed as it can save up to 39 B or 24% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

3

After Optimization

3

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of HZS Zlk. According to our analytics all requests are already optimized.

Accessibility Review

hzszlk.eu accessibility score

45

Accessibility Issues

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

The document uses <meta http-equiv="refresh">

Best Practices

hzszlk.eu best practices score

75

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

SEO Factors

hzszlk.eu SEO score

54

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    CS

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Hzszlk.eu 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 Hzszlk.eu main page’s claimed encoding is windows-1250. 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 HZS Zlk. 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: