Tools & Wizards About Us

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

dvedeti.cz

Dvěděti | Dvěděti.cz dřevěné hračky, dřevěné hračky pro děti

Page Load Speed

6.6 sec in total

First Response

1.3 sec

Resources Loaded

3.8 sec

Page Rendered

1.5 sec

About Website

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

DVĚDĚTI.CZ, dřevěné hračky, distributor BIGJIGS, dřevěné 3D puzzle, dřevěné skládačky, robotické dřevěné hračky, ESHOP, VELKOOBCHOD, BIGJIGS¨,domeček pro panenky, vláčkodráha, vláčky, dětské hudební n...

Visit dvedeti.cz

Key Findings

We analyzed Dvedeti.cz page load time and found that the first response time was 1.3 sec and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

dvedeti.cz performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.7 s

2/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value9.9 s

10/100

10%

TBT (Total Blocking Time)

Value720 ms

41/100

30%

CLS (Cumulative Layout Shift)

Value0.152

75/100

15%

TTI (Time to Interactive)

Value10.0 s

26/100

10%

Network Requests Diagram

dvedeti.cz

1303 ms

ek.js

319 ms

prototype.js

527 ms

scriptaculous.js

214 ms

lightbox.js

429 ms

Our browser made a total of 176 requests to load all elements on the main page. We found that 66% of them (116 requests) were addressed to the original Dvedeti.cz, 23% (40 requests) were made to Sablony.ekonstrukter.cz and 6% (10 requests) were made to Im9.cz. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Sablony.ekonstrukter.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 704.3 kB (23%)

Content Size

3.0 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dvedeti.cz main page is 3.0 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 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 238.5 kB

  • Original 275.1 kB
  • After minification 273.9 kB
  • After compression 36.5 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 238.5 kB or 87% of the original size.

Image Optimization

-14%

Potential reduce by 360.2 kB

  • Original 2.6 MB
  • After minification 2.3 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, Dvedeti needs image optimization as it can save up to 360.2 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-84%

Potential reduce by 94.2 kB

  • Original 112.6 kB
  • After minification 78.9 kB
  • After compression 18.4 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 94.2 kB or 84% of the original size.

CSS Optimization

-83%

Potential reduce by 11.4 kB

  • Original 13.6 kB
  • After minification 12.5 kB
  • After compression 2.3 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. Dvedeti.cz needs all CSS files to be minified and compressed as it can save up to 11.4 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (25%)

Requests Now

171

After Optimization

129

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 171 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dvedeti. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

dvedeti.cz accessibility score

83

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

dvedeti.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

dvedeti.cz SEO score

82

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

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dvedeti.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 Dvedeti.cz main page’s claimed encoding is windows-1250. 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

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