Report Summary

  • 15

    Performance

    Renders faster than
    34% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    34% of websites

  • 84

    SEO

    Google-friendlier than
    60% of websites

jatodokazu.cz

Já to dokážu Homepage - Já to dokážu

Page Load Speed

10.8 sec in total

First Response

352 ms

Resources Loaded

6.8 sec

Page Rendered

3.6 sec

jatodokazu.cz screenshot

About Website

Click here to check amazing Jatodokazu content for Czech Republic. Otherwise, check out these important facts you probably never knew about jatodokazu.cz

Visit jatodokazu.cz

Key Findings

We analyzed Jatodokazu.cz page load time and found that the first response time was 352 ms and then it took 10.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

jatodokazu.cz performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.3 s

3/100

10%

LCP (Largest Contentful Paint)

Value13.2 s

0/100

25%

SI (Speed Index)

Value13.7 s

1/100

10%

TBT (Total Blocking Time)

Value3,160 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.09

92/100

15%

TTI (Time to Interactive)

Value23.8 s

1/100

10%

Network Requests Diagram

jatodokazu.cz

352 ms

www.jatodokazu.cz

468 ms

wp-emoji-release.min.js

238 ms

widget.css

234 ms

shortcode.css

347 ms

Our browser made a total of 174 requests to load all elements on the main page. We found that 69% of them (120 requests) were addressed to the original Jatodokazu.cz, 7% (13 requests) were made to Sumome-140a.kxcdn.com and 4% (7 requests) were made to Sumome.com. The less responsive or slowest element that took the longest time to load (3.5 sec) belongs to the original domain Jatodokazu.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.6 MB (17%)

Content Size

21.1 MB

After Optimization

17.5 MB

In fact, the total size of Jatodokazu.cz main page is 21.1 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. Only a small number of websites need less resources to load. Images take 17.1 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 166.7 kB

  • Original 197.3 kB
  • After minification 171.9 kB
  • After compression 30.6 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 25.4 kB, which is 13% 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 166.7 kB or 85% of the original size.

Image Optimization

-1%

Potential reduce by 178.9 kB

  • Original 17.1 MB
  • After minification 16.9 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. Jatodokazu images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 1.2 MB

  • Original 1.7 MB
  • After minification 1.6 MB
  • After compression 457.7 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 1.2 MB or 73% of the original size.

CSS Optimization

-92%

Potential reduce by 2.0 MB

  • Original 2.2 MB
  • After minification 1.8 MB
  • After compression 164.5 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. Jatodokazu.cz needs all CSS files to be minified and compressed as it can save up to 2.0 MB or 92% of the original size.

Requests Breakdown

Number of requests can be reduced by 90 (54%)

Requests Now

167

After Optimization

77

The browser has sent 167 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jatodokazu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 53 to 1 for JavaScripts and from 39 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

jatodokazu.cz accessibility score

93

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

jatodokazu.cz best practices score

67

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

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

jatodokazu.cz SEO score

84

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 Jatodokazu.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 Jatodokazu.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 Jatodokazu. 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: