Report Summary

  • 86

    Performance

    Renders faster than
    89% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

linkuj.cz

Nejlepší linky na Linkuj.cz

Page Load Speed

3.1 sec in total

First Response

262 ms

Resources Loaded

2.5 sec

Page Rendered

261 ms

linkuj.cz screenshot

About Website

Visit linkuj.cz now to see the best up-to-date Linkuj content for Czech Republic and also check out these interesting facts you probably never knew about linkuj.cz

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Key Findings

We analyzed Linkuj.cz page load time and found that the first response time was 262 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

linkuj.cz performance score

86

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

79/100

25%

SI (Speed Index)

Value4.0 s

81/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value5.5 s

70/100

10%

Network Requests Diagram

linkuj.cz

262 ms

linkuj.css

161 ms

highslide.css

156 ms

jquery-ui.css

22 ms

jquery.min.js

42 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 44% of them (31 requests) were addressed to the original Linkuj.cz, 14% (10 requests) were made to Feedjit.com and 6% (4 requests) were made to A.disquscdn.com. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Sport-dnes.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 338.3 kB (19%)

Content Size

1.8 MB

After Optimization

1.5 MB

In fact, the total size of Linkuj.cz main page is 1.8 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. 35% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 57.8 kB

  • Original 69.3 kB
  • After minification 53.6 kB
  • After compression 11.5 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. This page needs HTML code to be minified as it can gain 15.8 kB, which is 23% 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 57.8 kB or 83% of the original size.

Image Optimization

-2%

Potential reduce by 29.6 kB

  • Original 1.4 MB
  • After minification 1.3 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. Linkuj images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 202.2 kB

  • Original 304.5 kB
  • After minification 272.5 kB
  • After compression 102.3 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 202.2 kB or 66% of the original size.

CSS Optimization

-81%

Potential reduce by 48.6 kB

  • Original 59.7 kB
  • After minification 47.9 kB
  • After compression 11.1 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. Linkuj.cz needs all CSS files to be minified and compressed as it can save up to 48.6 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 39 (57%)

Requests Now

68

After Optimization

29

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Linkuj. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

linkuj.cz accessibility score

60

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

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

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

linkuj.cz best practices score

58

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

SEO Factors

linkuj.cz SEO score

54

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Linkuj.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Linkuj.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 Linkuj. 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: