Access vitar.cz. VITAR, s.r.o.: Vitaminy, minerální látky, doplňky stravy

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value16.8 s

0/100

25%

SI (Speed Index)

Value9.3 s

13/100

10%

TBT (Total Blocking Time)

Value1,580 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.184

66/100

15%

TTI (Time to Interactive)

Value15.5 s

7/100

10%

vitar.cz

626 ms

globalstyle.css

368 ms

default.css

224 ms

cmsdefault.css

236 ms

system.css

232 ms

Our browser made a total of 85 requests to load all elements on the main page. We found that 51% of them (43 requests) were addressed to the original Vitar.cz, 26% (22 requests) were made to Static.xx.fbcdn.net and 11% (9 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Vitar.cz.

Content Size

2.2 MB

After Optimization

1.9 MB

In fact, the total size of Vitar.cz main page is 2.2 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. 55% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 16.2 kB

Original 22.0 kB
After minification 17.9 kB
After compression 5.8 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 4.1 kB, which is 19% 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 16.2 kB or 74% of the original size.

Image Optimization

-7%

Potential reduce by 148.4 kB

Original 2.0 MB
After minification 1.8 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. VITAR images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 83.3 kB

Original 121.0 kB
After minification 88.1 kB
After compression 37.7 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 83.3 kB or 69% of the original size.

CSS Optimization

-72%

Potential reduce by 35.0 kB

Original 48.7 kB
After minification 41.5 kB
After compression 13.7 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. Vitar.cz needs all CSS files to be minified and compressed as it can save up to 35.0 kB or 72% of the original size.

Requests Now

After Optimization

The browser has sent 82 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VITAR. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-hidden="true"] elements contain focusable descendents

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

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

High

Page has valid source maps

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vitar.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it does not match the claimed English language. Our system also found out that Vitar.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

vitar.cz

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

Report Summary

Performance

Accessibility

Best Practices

SEO

VITAR, s.r.o.: Vitaminy, minerální látky, doplňky stravy

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)

Network Requests Diagram

vitar.cz

globalstyle.css

default.css

cmsdefault.css

system.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

vitar.cz

globalstyle.css

default.css

cmsdefault.css

system.css

news_plugin.css

emnews_plugin.css

cmsmenu.css

jquery.fancybox-1.3.4.css

style.css

jquery-ui.css

jquery-1.8.3.js

jquery.metadata.js

jquery.media.js

striptables.js

cmsmenu.src.js

jquery.fancybox-1.3.4.js

jquery.fancybox.start.js

jquery-ui.js

jquery.cycle.all.latest.js

cookieconsent.min.js

ga.js

fbds.js

bodybgnew.jpg

logo.png

slogan.png

devider.gif

search.png

menudev.gif

5b07e039d644dc4b977fe0f80f9c0c9a.jpg

c6e59af6655c5f3e9425b296e232ddc6.jpg

5e42ff1d29cd204cbb3b1d5001e6941e.jpg

blockbg.jpg

white85.png

home.gif

print.gif

14582295923D-MXVE-LuteinForte_LR.jpg

14580359413D-RVL-SBK-4020tbl-CZSK_LR.jpg

1456931148job3.jpg

1456907991job.jpg

1350045665pro-obchodni-partnery.jpg

newsletter.png

d5309c85ddbfc959c98b1347af6d01f5.jpg