Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

dovolenavcr.cz

DOVOLEN? v ?R - dovolen? v ?ech?ch - ?esk? republika dovolena CZ

Page Load Speed

3.7 sec in total

First Response

412 ms

Resources Loaded

3 sec

Page Rendered

303 ms

dovolenavcr.cz screenshot

About Website

Welcome to dovolenavcr.cz homepage info - get ready to check Dovolena Vcr best content right away, or after learning these important things about dovolenavcr.cz

DOVOLEN? v ?R - DOVOLEN? ?ESKO - DOVOLEN? V ?ECH?CH - ?ESK? REPUBLIKA

Visit dovolenavcr.cz

Key Findings

We analyzed Dovolenavcr.cz page load time and found that the first response time was 412 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

dovolenavcr.cz performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

17/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value1,160 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value9.5 s

30/100

10%

Network Requests Diagram

dovolenavcr.cz

412 ms

screen.css

160 ms

hover.js

158 ms

adx.js

751 ms

data.php

707 ms

Our browser made a total of 101 requests to load all elements on the main page. We found that 34% of them (34 requests) were addressed to the original Dovolenavcr.cz, 8% (8 requests) were made to Apis.google.com and 6% (6 requests) were made to C.betrad.com. The less responsive or slowest element that took the longest time to load (824 ms) belongs to the original domain Dovolenavcr.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 182.8 kB (48%)

Content Size

381.0 kB

After Optimization

198.2 kB

In fact, the total size of Dovolenavcr.cz main page is 381.0 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. 65% of websites need less resources to load. Javascripts take 232.0 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 33.4 kB

  • Original 47.1 kB
  • After minification 46.5 kB
  • After compression 13.7 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 33.4 kB or 71% of the original size.

Image Optimization

-4%

Potential reduce by 3.9 kB

  • Original 89.0 kB
  • After minification 85.1 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. Dovolena Vcr images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 135.6 kB

  • Original 232.0 kB
  • After minification 223.6 kB
  • After compression 96.4 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 135.6 kB or 58% of the original size.

CSS Optimization

-77%

Potential reduce by 9.9 kB

  • Original 12.9 kB
  • After minification 10.4 kB
  • After compression 3.0 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. Dovolenavcr.cz needs all CSS files to be minified and compressed as it can save up to 9.9 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 56 (58%)

Requests Now

97

After Optimization

41

The browser has sent 97 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dovolena Vcr. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

dovolenavcr.cz accessibility score

67

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.

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

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

dovolenavcr.cz best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

dovolenavcr.cz SEO score

69

Search Engine Optimization Advices

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

    CS

  • Encoding

    WINDOWS-1250

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