Report Summary

  • 47

    Performance

    Renders faster than
    66% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

zzz.sk

Zoznam zdravotníckych zariadení | Zzz.sk

Page Load Speed

4.8 sec in total

First Response

1.1 sec

Resources Loaded

3.5 sec

Page Rendered

245 ms

zzz.sk screenshot

About Website

Click here to check amazing Zzz content for Slovakia. Otherwise, check out these important facts you probably never knew about zzz.sk

Ordinačné hodiny ambulancií, otváracie hodiny lekární, pohotovosti, články a ďalšie dôležité informácie pre pacientov.

Visit zzz.sk

Key Findings

We analyzed Zzz.sk page load time and found that the first response time was 1.1 sec and then it took 3.7 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

zzz.sk performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

58/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

84/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value780 ms

37/100

30%

CLS (Cumulative Layout Shift)

Value0.882

3/100

15%

TTI (Time to Interactive)

Value7.2 s

51/100

10%

Network Requests Diagram

www.zzz.sk

1067 ms

t5OGphSUjwdNOoxNKgdRTTh1RBtmzhMXxHDYYeR4lYj.js

357 ms

1rAUIILqQHNgfOy22K9QVVGeq5ywHyUkfBbju4J3mgx.js

304 ms

SxrUCTlzg93etHmezOkm5ksrLmXqNbWQVzdYyOyOJyk.css

305 ms

hnbQRQpYmXB6aSpR2hFr3vtCEgr0bYmKO6QhRRVFZ5B.js

304 ms

Our browser made a total of 115 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Zzz.sk, 23% (27 requests) were made to Zzz-prod-595372.c.cdn77.org and 17% (20 requests) were made to Cdn.zzz.sk. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Zzz.sk.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (49%)

Content Size

2.1 MB

After Optimization

1.1 MB

In fact, the total size of Zzz.sk main page is 2.1 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. 65% of websites need less resources to load. Javascripts take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 66.3 kB

  • Original 85.8 kB
  • After minification 76.4 kB
  • After compression 19.4 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. This page needs HTML code to be minified as it can gain 9.4 kB, which is 11% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 66.3 kB or 77% of the original size.

Image Optimization

-4%

Potential reduce by 22.9 kB

  • Original 507.8 kB
  • After minification 485.0 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. Zzz images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 854.7 kB

  • Original 1.4 MB
  • After minification 1.4 MB
  • After compression 533.4 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 854.7 kB or 62% of the original size.

CSS Optimization

-64%

Potential reduce by 99.5 kB

  • Original 156.0 kB
  • After minification 138.3 kB
  • After compression 56.5 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. Zzz.sk needs all CSS files to be minified and compressed as it can save up to 99.5 kB or 64% of the original size.

Requests Breakdown

Number of requests can be reduced by 60 (57%)

Requests Now

106

After Optimization

46

The browser has sent 106 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zzz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 43 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

zzz.sk accessibility score

80

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

zzz.sk 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

High

Page has valid source maps

SEO Factors

zzz.sk SEO score

100

Search Engine Optimization Advices

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

    SK

  • Language Claimed

    SK

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zzz.sk can be misinterpreted by Google and other search engines. Our service has detected that Slovak is used on the page, and it matches the claimed language. Our system also found out that Zzz.sk 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 Zzz. 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: