Access zzspk.cz. Home - Zdravotnická záchranná služba Plzeňského kraje

Report Summary

About Website

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

Vážení návštěvníci portálu Zdravotnické záchranné služby Plzeňského kraje. Stránky plné nejaktuálnějších informací ze světa záchranné služby.

Visit zzspk.cz

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value7.7 s

24/100

10%

TBT (Total Blocking Time)

Value1,250 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value8.7 s

36/100

10%

zzspk.cz

566 ms

www.zzspk.cz

945 ms

template.css

193 ms

reset.css

190 ms

font-awesome.min.css

286 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 75% of them (21 requests) were addressed to the original Zzspk.cz, 14% (4 requests) were made to Fonts.gstatic.com and 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (945 ms) belongs to the original domain Zzspk.cz.

Content Size

823.4 kB

After Optimization

588.6 kB

In fact, the total size of Zzspk.cz main page is 823.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Images take 559.5 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 20.9 kB

Original 27.2 kB
After minification 25.5 kB
After compression 6.2 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 20.9 kB or 77% of the original size.

Image Optimization

-7%

Potential reduce by 40.7 kB

Original 559.5 kB
After minification 518.8 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. Zzspk images are well optimized though.

JavaScript Optimization

-48%

Potential reduce by 33.7 kB

Original 70.8 kB
After minification 70.8 kB
After compression 37.1 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 33.7 kB or 48% of the original size.

CSS Optimization

-84%

Potential reduce by 139.4 kB

Original 165.9 kB
After minification 139.2 kB
After compression 26.5 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. Zzspk.cz needs all CSS files to be minified and compressed as it can save up to 139.4 kB or 84% of the original size.

Requests Now

After Optimization

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zzspk. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

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

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

High

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

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.

High

Form elements do not have associated labels

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

CS
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zzspk.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech 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 Zzspk.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

zzspk.cz

Open Graph data is detected on the main page of Zzspk. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

Home - Zdravotnická záchranná služba Plzeňského kraje

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)