Tools & Wizards About Us

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

inzerce.denik.cz

Objednávkový systém řádkové inzerce - VLTAVA LABE MEDIA a.s.

Page Load Speed

2.8 sec in total

First Response

25 ms

Resources Loaded

2.7 sec

Page Rendered

78 ms

About Website

Welcome to inzerce.denik.cz homepage info - get ready to check Inzerce Denik best content for Czech Republic right away, or after learning these important things about inzerce.denik.cz

Snadné vkládání řádkové inzerce do všech regionálních Deníků. Možnost výběru rubrik, termínů a online platby.

Visit inzerce.denik.cz

Key Findings

We analyzed Inzerce.denik.cz page load time and found that the first response time was 25 ms and then it took 2.7 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

inzerce.denik.cz performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

57/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value2,020 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.105

88/100

15%

TTI (Time to Interactive)

Value13.9 s

10/100

10%

Network Requests Diagram

inzerce.denik.cz

25 ms

inzerce.denik.cz

715 ms

es6-shim.min.js

678 ms

zone.js

691 ms

Reflect.js

596 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 68% of them (19 requests) were addressed to the original Inzerce.denik.cz, 11% (3 requests) were made to Google-analytics.com and 7% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Inzerce.denik.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 23.1 kB (12%)

Content Size

199.5 kB

After Optimization

176.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Inzerce.denik.cz main page is 199.5 kB. 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. Javascripts take 139.8 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 5.6 kB

  • Original 8.5 kB
  • After minification 7.0 kB
  • After compression 2.9 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 1.5 kB, which is 18% 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 5.6 kB or 66% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 43.5 kB
  • After minification 43.5 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. Inzerce Denik images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 16.6 kB

  • Original 139.8 kB
  • After minification 139.8 kB
  • After compression 123.2 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 16.6 kB or 12% of the original size.

CSS Optimization

-12%

Potential reduce by 922 B

  • Original 7.7 kB
  • After minification 7.7 kB
  • After compression 6.7 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. Inzerce.denik.cz needs all CSS files to be minified and compressed as it can save up to 922 B or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (43%)

Requests Now

21

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Inzerce Denik. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

inzerce.denik.cz accessibility score

77

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.

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

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

inzerce.denik.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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

inzerce.denik.cz SEO score

92

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

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 Inzerce.denik.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 Inzerce.denik.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 Inzerce Denik. 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: