Tools & Wizards About Us

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

vseprosvezdravi.cz

fonendoskopy, bezdotykové teploměry, elektrické zubní kartáčky, endoskopy pro ORL lékaře, analyzátory, žilní transilluminátory Veinlite, hydrogelové p...

Page Load Speed

20.6 sec in total

First Response

485 ms

Resources Loaded

19 sec

Page Rendered

1.1 sec

About Website

Visit vseprosvezdravi.cz now to see the best up-to-date Vse Pro Svezdravi content and also check out these interesting facts you probably never knew about vseprosvezdravi.cz

Zdravotnické potřeby, zdravotnická technika, bezdotykové teploměry ThermoFlash, elektrické zubní kartáčky, stetoskopy, Littmann, endoskopy pro ORL lékaře, analyzátory, žilní transilluminátory Veinlite...

Visit vseprosvezdravi.cz

Key Findings

We analyzed Vseprosvezdravi.cz page load time and found that the first response time was 485 ms and then it took 20.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

vseprosvezdravi.cz performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value18.2 s

0/100

25%

SI (Speed Index)

Value9.1 s

13/100

10%

TBT (Total Blocking Time)

Value1,240 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.096

90/100

15%

TTI (Time to Interactive)

Value11.5 s

18/100

10%

Network Requests Diagram

vseprosvezdravi.cz

485 ms

www.vseprosvezdravi.cz

1272 ms

default.css_minify

466 ms

custom_style.css_minify

804 ms

mainPageBanner.css_minify

386 ms

Our browser made a total of 128 requests to load all elements on the main page. We found that 57% of them (73 requests) were addressed to the original Vseprosvezdravi.cz, 15% (19 requests) were made to Static.xx.fbcdn.net and 8% (10 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (16 sec) relates to the external source Az-obchody.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 737.5 kB (17%)

Content Size

4.4 MB

After Optimization

3.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vseprosvezdravi.cz main page is 4.4 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. 40% of websites need less resources to load. Images take 3.8 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 56.5 kB

  • Original 71.7 kB
  • After minification 66.6 kB
  • After compression 15.2 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 56.5 kB or 79% of the original size.

Image Optimization

-8%

Potential reduce by 300.7 kB

  • Original 3.8 MB
  • After minification 3.5 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. Vse Pro Svezdravi images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 281.7 kB

  • Original 405.5 kB
  • After minification 403.3 kB
  • After compression 123.7 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 281.7 kB or 69% of the original size.

CSS Optimization

-86%

Potential reduce by 98.5 kB

  • Original 114.6 kB
  • After minification 112.0 kB
  • After compression 16.0 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. Vseprosvezdravi.cz needs all CSS files to be minified and compressed as it can save up to 98.5 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 39 (33%)

Requests Now

119

After Optimization

80

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 119 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vse Pro Svezdravi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

vseprosvezdravi.cz accessibility score

94

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.

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

vseprosvezdravi.cz best practices score

58

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

vseprosvezdravi.cz SEO score

91

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vseprosvezdravi.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 Vseprosvezdravi.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 Vse Pro Svezdravi. 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: