Report Summary

  • 74

    Performance

    Renders faster than
    83% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

poslednikousek.cz

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Page Load Speed

5 sec in total

First Response

725 ms

Resources Loaded

3.9 sec

Page Rendered

350 ms

poslednikousek.cz screenshot

About Website

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Key Findings

We analyzed Poslednikousek.cz page load time and found that the first response time was 725 ms and then it took 4.2 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

poslednikousek.cz performance score

74

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

43/100

25%

SI (Speed Index)

Value4.1 s

79/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.026

100/100

15%

TTI (Time to Interactive)

Value4.1 s

86/100

10%

Network Requests Diagram

Milka.cz.sk

725 ms

s093_TLfvz3.css

282 ms

tSbl8xBI27R.css

351 ms

410ucuAGgaJ.css

421 ms

5VZ003vMUZg.css

553 ms

Our browser made a total of 103 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Poslednikousek.cz, 36% (37 requests) were made to Scontent.xx.fbcdn.net and 2% (2 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Scontent.xx.fbcdn.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 314.9 kB (24%)

Content Size

1.3 MB

After Optimization

974.6 kB

In fact, the total size of Poslednikousek.cz main page is 1.3 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 936.5 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 289.5 kB

  • Original 352.9 kB
  • After minification 349.9 kB
  • After compression 63.4 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 289.5 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 25.3 kB

  • Original 936.5 kB
  • After minification 911.1 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. Poslednikousek images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 60 (59%)

Requests Now

102

After Optimization

42

The browser has sent 102 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Poslednikousek. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

poslednikousek.cz accessibility score

83

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

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.

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

poslednikousek.cz best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

poslednikousek.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

High

Page is blocked from indexing

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Poslednikousek.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 Poslednikousek.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 Poslednikousek. 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: