Tools & Wizards About Us
vitalita.cz screenshot

Report Summary

  • 62

    Performance

    Renders faster than
    77% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

vitalita.cz

Vitalita.cz — vitamíny, diety, zdraví, již 24 let

Page Load Speed

5.1 sec in total

First Response

339 ms

Resources Loaded

4.4 sec

Page Rendered

387 ms

vitalita.cz screenshot

About Website

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

Tradiční internetový obchod - dieta, zdraví, vitamíny

Visit vitalita.cz

Key Findings

We analyzed Vitalita.cz page load time and found that the first response time was 339 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

vitalita.cz performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

36/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

16/100

25%

SI (Speed Index)

Value4.6 s

70/100

10%

TBT (Total Blocking Time)

Value230 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.8 s

67/100

10%

Network Requests Diagram

vitalita.cz

339 ms

www.vitalita.cz

597 ms

combined.css

105 ms

analytics.js

84 ms

gjs.php

588 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 41% of them (19 requests) were addressed to the original Vitalita.cz, 22% (10 requests) were made to Static.xx.fbcdn.net and 9% (4 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source Im9.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 145.8 kB (39%)

Content Size

369.9 kB

After Optimization

224.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vitalita.cz main page is 369.9 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. 40% of websites need less resources to load. Javascripts take 167.2 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 17.9 kB

  • Original 26.9 kB
  • After minification 26.4 kB
  • After compression 9.1 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 17.9 kB or 66% of the original size.

Image Optimization

-10%

Potential reduce by 15.3 kB

  • Original 149.8 kB
  • After minification 134.5 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. Vitalita images are well optimized though.

JavaScript Optimization

-57%

Potential reduce by 96.1 kB

  • Original 167.2 kB
  • After minification 167.2 kB
  • After compression 71.1 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 96.1 kB or 57% of the original size.

CSS Optimization

-64%

Potential reduce by 16.5 kB

  • Original 26.0 kB
  • After minification 26.0 kB
  • After compression 9.5 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. Vitalita.cz needs all CSS files to be minified and compressed as it can save up to 16.5 kB or 64% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (20%)

Requests Now

44

After Optimization

35

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vitalita. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

vitalita.cz

vitalita.cz

339 ms

www.vitalita.cz

www.vitalita.cz

597 ms

combined.css

combined.css

105 ms

analytics.js

analytics.js

84 ms

gjs.php

gjs.php

588 ms

combined.js

combined.js

423 ms

sdk.js

sdk.js

62 ms

3844-65.jpg

3844-65.jpg

353 ms

logo.png

logo.png

121 ms

banner.jpg

banner.jpg

348 ms

motor-cars-parking-sign-1-27.jpg

motor-cars-parking-sign-1-27.jpg

230 ms

imagech-77.jpeg

imagech-77.jpeg

348 ms

cytosan-cytosan-mydlo-1-1-48-1-25.jpg

cytosan-cytosan-mydlo-1-1-48-1-25.jpg

234 ms

white-smile-small-68.jpg

white-smile-small-68.jpg

231 ms

titulni_2.jpg

titulni_2.jpg

347 ms

gesavit-50-bg-small-68.jpg

gesavit-50-bg-small-68.jpg

346 ms

sportovci.jpg

sportovci.jpg

440 ms

klas.jpg

klas.jpg

397 ms

titulni_5.jpg

titulni_5.jpg

451 ms

titulni_3.jpg

titulni_3.jpg

450 ms

125x125-bannery-celadrin-11-2015-68.jpg

125x125-bannery-celadrin-11-2015-68.jpg

453 ms

logo-spolehlivy-obchod.gif

logo-spolehlivy-obchod.gif

452 ms

logo-cards.gif

logo-cards.gif

497 ms

3840-65.jpg

3840-65.jpg

342 ms

collect

collect

38 ms

101 ms

xd_arbiter.php

xd_arbiter.php

40 ms

xd_arbiter.php

xd_arbiter.php

70 ms

page.php

page.php

114 ms

widget.php

widget.php

231 ms

869-11.png

869-11.png

2563 ms

jTuqQ-OPDr6.css

jTuqQ-OPDr6.css

39 ms

n370yiaI2G6.css

n370yiaI2G6.css

48 ms

_rx8naC75Dy.js

_rx8naC75Dy.js

63 ms

x5F9OMjKyLw.js

x5F9OMjKyLw.js

83 ms

ICDbTSzjQEg.js

ICDbTSzjQEg.js

83 ms

TTCre3391I0.js

TTCre3391I0.js

82 ms

1935171_125929474882_131557_n.jpg

1935171_125929474882_131557_n.jpg

61 ms

12249962_10204821999061643_156821208039473925_n.jpg

12249962_10204821999061643_156821208039473925_n.jpg

36 ms

12644703_1679848948920241_1245111193355186629_n.jpg

12644703_1679848948920241_1245111193355186629_n.jpg

27 ms

196406_1020561168921_715878_n.jpg

196406_1020561168921_715878_n.jpg

27 ms

wL6VQj7Ab77.png

wL6VQj7Ab77.png

13 ms

s7jcwEQH7Sx.png

s7jcwEQH7Sx.png

11 ms

I6-MnjEovm5.js

I6-MnjEovm5.js

9 ms

vlXaquuXMrr.js

vlXaquuXMrr.js

12 ms

left-zalozka-only.png

left-zalozka-only.png

297 ms

Accessibility Review

vitalita.cz accessibility score

96

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

Links do not have a discernible name

Best Practices

vitalita.cz best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

vitalita.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 Vitalita.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 Vitalita.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

vitalita.cz

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