Tools & Wizards About Us
potravinyinfo.cz screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

potravinyinfo.cz

Normy a předpisy pro výrobce, distributory a prodejce potravin. Označování, hygienické požadavky, HACCP, obaly.

Page Load Speed

5 sec in total

First Response

410 ms

Resources Loaded

4.1 sec

Page Rendered

537 ms

potravinyinfo.cz screenshot

About Website

Welcome to potravinyinfo.cz homepage info - get ready to check Potravin Yinfo best content right away, or after learning these important things about potravinyinfo.cz

On-line informace z oblasti výroby, distribuce a prodeje potravin. Novely zákonů a vyhlá'ek. Systém kritických bodů (HACCP). Certifkace a audity. Standardy BRC, IFS. Činnost inspekcí (SZPI, SVS, RASFF...

Visit potravinyinfo.cz

Key Findings

We analyzed Potravinyinfo.cz page load time and found that the first response time was 410 ms and then it took 4.6 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

potravinyinfo.cz performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.6 s

1/100

10%

LCP (Largest Contentful Paint)

Value9.8 s

0/100

25%

SI (Speed Index)

Value11.1 s

6/100

10%

TBT (Total Blocking Time)

Value1,190 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value17.9 s

4/100

10%

Network Requests Diagram

potravinyinfo.cz

410 ms

www.potravinyinfo.cz

483 ms

www.potravinyinfo.cz

654 ms

gtm.js

55 ms

jquery-ui-1.12.1custom.min.css

727 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 24% of them (12 requests) were addressed to the original Potravinyinfo.cz, 62% (31 requests) were made to Image.dashofer.cz and 4% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Image.dashofer.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 490.2 kB (23%)

Content Size

2.1 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Potravinyinfo.cz 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. 60% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 84.8 kB

  • Original 110.2 kB
  • After minification 104.3 kB
  • After compression 25.4 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. 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 84.8 kB or 77% of the original size.

Image Optimization

-26%

Potential reduce by 362.2 kB

  • Original 1.4 MB
  • After minification 1.0 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. Obviously, Potravin Yinfo needs image optimization as it can save up to 362.2 kB or 26% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-9%

Potential reduce by 42.7 kB

  • Original 465.7 kB
  • After minification 465.7 kB
  • After compression 423.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 503 B

  • Original 164.3 kB
  • After minification 164.3 kB
  • After compression 163.8 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. Potravinyinfo.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 22 (51%)

Requests Now

43

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Potravin Yinfo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

potravinyinfo.cz

potravinyinfo.cz

410 ms

www.potravinyinfo.cz

www.potravinyinfo.cz

483 ms

www.potravinyinfo.cz

www.potravinyinfo.cz

654 ms

gtm.js

gtm.js

55 ms

jquery-ui-1.12.1custom.min.css

jquery-ui-1.12.1custom.min.css

727 ms

jquery-ui-1.12.1custom.structure.min.css

jquery-ui-1.12.1custom.structure.min.css

744 ms

jquery-ui-1.12.1custom.theme.min.css

jquery-ui-1.12.1custom.theme.min.css

747 ms

242_bootstrap4_onlib3_style.css

242_bootstrap4_onlib3_style.css

973 ms

all.min.css

all.min.css

1068 ms

jquery.js

jquery.js

1098 ms

jquery-ui.js

jquery-ui.js

1142 ms

bootstrap.4.min.js

bootstrap.4.min.js

953 ms

modernizr.4.min.js

modernizr.4.min.js

849 ms

min.js.phtml

min.js.phtml

968 ms

min.js.phtml

min.js.phtml

1195 ms

jquery.cluetip.1.2.5.min.js

jquery.cluetip.1.2.5.min.js

1095 ms

min.js.phtml

min.js.phtml

1108 ms

min.js.phtml

min.js.phtml

1200 ms

ekko_lightbox.js

ekko_lightbox.js

1200 ms

min.js.phtml

min.js.phtml

1202 ms

landing

landing

141 ms

js

js

56 ms

rc.js

rc.js

689 ms

bat.js

bat.js

33 ms

min.js.phtml

min.js.phtml

1095 ms

api.js

api.js

42 ms

jquery-disable-with.js

jquery-disable-with.js

1135 ms

586489.jpg

586489.jpg

131 ms

586488.png

586488.png

532 ms

586510.jpg

586510.jpg

308 ms

586444.jpg

586444.jpg

327 ms

QF_Academy.png

QF_Academy.png

350 ms

logo_QSL.png

logo_QSL.png

583 ms

VD_product_USVPU_big_facebook.jpg

VD_product_USVPU_big_facebook.jpg

563 ms

usvpu3_big.jpg

usvpu3_big.jpg

718 ms

USVPU5-2020-3D-720.jpg

USVPU5-2020-3D-720.jpg

1000 ms

logo-xs-242.svg

logo-xs-242.svg

130 ms

logo-242.svg

logo-242.svg

129 ms

vd_onlibvpu_974x300_01.png

vd_onlibvpu_974x300_01.png

724 ms

vd_onlibvpu_974x300_02.png

vd_onlibvpu_974x300_02.png

750 ms

vd_onlibvpu_974x300_03.png

vd_onlibvpu_974x300_03.png

864 ms

Logo_UniConsulting_white.png

Logo_UniConsulting_white.png

179 ms

logo_etiketomat.png

logo_etiketomat.png

231 ms

vd_logo.svg

vd_logo.svg

219 ms

logo-xs-242.svg

logo-xs-242.svg

245 ms

fa-solid-900.ttf

fa-solid-900.ttf

1192 ms

fa-regular-400.ttf

fa-regular-400.ttf

1170 ms

fa-light-300.ttf

fa-light-300.ttf

914 ms

fa-thin-100.ttf

fa-thin-100.ttf

1376 ms

recaptcha__en.js

recaptcha__en.js

43 ms

Accessibility Review

potravinyinfo.cz accessibility score

95

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

potravinyinfo.cz best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

potravinyinfo.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

    CS

  • Encoding

    ISO-8859-2

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Potravinyinfo.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it matches the claimed language. Our system also found out that Potravinyinfo.cz main page’s claimed encoding is iso-8859-2. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

potravinyinfo.cz

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