Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

vyzivovi-poradci.cz

Úvod - Výživoví poradci.cz

Page Load Speed

4.3 sec in total

First Response

307 ms

Resources Loaded

3.5 sec

Page Rendered

493 ms

vyzivovi-poradci.cz screenshot

About Website

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

Potřebujete zhubnout? Pomůže Vám výživový poradce. Katalog výživoví-poradci.cz vám přináší přehledný seznam výživových poradců v ČR.

Visit vyzivovi-poradci.cz

Key Findings

We analyzed Vyzivovi-poradci.cz page load time and found that the first response time was 307 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

vyzivovi-poradci.cz performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.7 s

0/100

25%

SI (Speed Index)

Value12.7 s

3/100

10%

TBT (Total Blocking Time)

Value1,550 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value16.6 s

5/100

10%

Network Requests Diagram

vyzivovi-poradci.cz

307 ms

www.vyzivovi-poradci.cz

1104 ms

wysiwyg.css

197 ms

jquery-ui-1.8.17.custom.css

198 ms

bootstrap.css

300 ms

Our browser made a total of 130 requests to load all elements on the main page. We found that 41% of them (53 requests) were addressed to the original Vyzivovi-poradci.cz, 22% (29 requests) were made to Maps.googleapis.com and 9% (12 requests) were made to Maps.gstatic.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Vyzivovi-poradci.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (49%)

Content Size

2.4 MB

After Optimization

1.2 MB

In fact, the total size of Vyzivovi-poradci.cz main page is 2.4 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. 70% of websites need less resources to load. Javascripts take 964.8 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 224.7 kB

  • Original 283.3 kB
  • After minification 279.3 kB
  • After compression 58.7 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 224.7 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 13.8 kB

  • Original 819.7 kB
  • After minification 805.9 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. Vyzivovi Poradci images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 665.2 kB

  • Original 964.8 kB
  • After minification 901.0 kB
  • After compression 299.5 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 665.2 kB or 69% of the original size.

CSS Optimization

-85%

Potential reduce by 249.8 kB

  • Original 293.2 kB
  • After minification 234.9 kB
  • After compression 43.4 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. Vyzivovi-poradci.cz needs all CSS files to be minified and compressed as it can save up to 249.8 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 57 (48%)

Requests Now

119

After Optimization

62

The browser has sent 119 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vyzivovi Poradci. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 38 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

vyzivovi-poradci.cz accessibility score

80

Accessibility Issues

ARIA

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.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

button, link, and menuitem elements do not have accessible names.

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

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

High

Links do not have a discernible name

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

vyzivovi-poradci.cz best practices score

50

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

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

vyzivovi-poradci.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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vyzivovi-poradci.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 Vyzivovi-poradci.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 data is detected on the main page of Vyzivovi Poradci. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: