Tools & Wizards About Us
sdovolena.cz screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    56% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

sdovolena.cz

Dovolená a zájezdy 2026 - u moře, last minute zájezdy a další - Sdovolena.cz

Page Load Speed

3.9 sec in total

First Response

392 ms

Resources Loaded

3.3 sec

Page Rendered

222 ms

sdovolena.cz screenshot

About Website

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

Porovnejte ceny zájezdů od různých cestovních kanceláří. Vyberte tu nejlepší nabídku a vyrazte na vysněnou dovolenou.

Visit sdovolena.cz

Key Findings

We analyzed Sdovolena.cz page load time and found that the first response time was 392 ms and then it took 3.5 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

sdovolena.cz performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value13.3 s

0/100

25%

SI (Speed Index)

Value9.0 s

14/100

10%

TBT (Total Blocking Time)

Value550 ms

54/100

30%

CLS (Cumulative Layout Shift)

Value0.028

100/100

15%

TTI (Time to Interactive)

Value10.1 s

26/100

10%

Network Requests Diagram

sdovolena.cz

392 ms

www.sdovolena.cz

1287 ms

userweb.css

246 ms

promo-sbrowser.js

538 ms

js_lib.js

385 ms

Our browser made a total of 118 requests to load all elements on the main page. We found that 18% of them (21 requests) were addressed to the original Sdovolena.cz, 26% (31 requests) were made to Image2.pubmatic.com and 10% (12 requests) were made to Img.sdovolena.cz. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Sdovolena.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 372.5 kB (38%)

Content Size

980.7 kB

After Optimization

608.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sdovolena.cz main page is 980.7 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. Images take 507.8 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 54.5 kB

  • Original 69.6 kB
  • After minification 68.6 kB
  • After compression 15.1 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 54.5 kB or 78% of the original size.

Image Optimization

-7%

Potential reduce by 36.3 kB

  • Original 507.8 kB
  • After minification 471.4 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. Sdovolena images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 238.0 kB

  • Original 349.1 kB
  • After minification 336.4 kB
  • After compression 111.0 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 238.0 kB or 68% of the original size.

CSS Optimization

-80%

Potential reduce by 43.6 kB

  • Original 54.3 kB
  • After minification 51.5 kB
  • After compression 10.7 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. Sdovolena.cz needs all CSS files to be minified and compressed as it can save up to 43.6 kB or 80% of the original size.

Requests Breakdown

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

Requests Now

100

After Optimization

44

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 100 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sdovolena. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

sdovolena.cz

sdovolena.cz

392 ms

www.sdovolena.cz

www.sdovolena.cz

1287 ms

userweb.css

userweb.css

246 ms

promo-sbrowser.js

promo-sbrowser.js

538 ms

js_lib.js

js_lib.js

385 ms

js_all.js

js_all.js

392 ms

dot-small.js

dot-small.js

371 ms

56cea24ef40d6e7906300000

56cea24ef40d6e7906300000

395 ms

main-background.jpg

main-background.jpg

923 ms

sdovolena-logo.png

sdovolena-logo.png

333 ms

568780c5675c91ea73290000

568780c5675c91ea73290000

513 ms

56d36500d69ee54837310000

56d36500d69ee54837310000

1121 ms

4fdb24025b5e6afaf92a0000

4fdb24025b5e6afaf92a0000

894 ms

568737ab61c464a2142d0000

568737ab61c464a2142d0000

635 ms

56d2c772cdc672aa07280000

56d2c772cdc672aa07280000

637 ms

56d167ced218ff3468240000

56d167ced218ff3468240000

832 ms

55f690ee94498f35cd330000

55f690ee94498f35cd330000

875 ms

56c2f14040ceb78739290000

56c2f14040ceb78739290000

827 ms

5510221161f3dc2abe2f0000

5510221161f3dc2abe2f0000

959 ms

55fcd0308fe6756c82340000

55fcd0308fe6756c82340000

956 ms

56957d02f238c5ac602f0000

56957d02f238c5ac602f0000

1132 ms

page-bottom.png

page-bottom.png

127 ms

page-top.png

page-top.png

155 ms

shadow-border.png

shadow-border.png

251 ms

favourite-star.gif

favourite-star.gif

249 ms

calendar_icon.gif

calendar_icon.gif

247 ms

extension-filter-icon.png

extension-filter-icon.png

246 ms

conversion.js

conversion.js

16 ms

retargeting.js

retargeting.js

372 ms

im3.js

im3.js

381 ms

winter-icon.png

winter-icon.png

345 ms

sun-icon.png

sun-icon.png

361 ms

eurovikend-icon.png

eurovikend-icon.png

363 ms

address-list-icon.gif

address-list-icon.gif

355 ms

sleva.png

sleva.png

373 ms

xgemius.js

xgemius.js

361 ms

ga.js

ga.js

41 ms

61 ms

cookie

cookie

126 ms

__utm.gif

__utm.gif

29 ms

32 ms

retargeting

retargeting

128 ms

json

json

180 ms

activityi;src=4191234;type=invmedia;cat=s4zv0w2a;ord=9244127152487.635

activityi;src=4191234;type=invmedia;cat=s4zv0w2a;ord=9244127152487.635

78 ms

150 ms

fpdata.js

fpdata.js

121 ms

lsget.html

lsget.html

252 ms

225 ms

user_sync.html

user_sync.html

23 ms

miss

miss

165 ms

8f444d6d2200e04b3a6eb1a5dce346e6.jpg

8f444d6d2200e04b3a6eb1a5dce346e6.jpg

492 ms

impress

impress

313 ms

impress

impress

317 ms

miss

miss

319 ms

3175ded8ce48c4f434705f0a1e3d010b.jpg

3175ded8ce48c4f434705f0a1e3d010b.jpg

849 ms

reklama_h.gif

reklama_h.gif

194 ms

advert.gif

advert.gif

166 ms

advert1.gif

advert1.gif

190 ms

showad.js

showad.js

38 ms

PugMaster

PugMaster

23 ms

pixel

pixel

54 ms

generic

generic

47 ms

Pug

Pug

53 ms

Pug

Pug

52 ms

gr

gr

44 ms

pm_match

pm_match

45 ms

usersync.aspx

usersync.aspx

65 ms

43 ms

pubmatic

pubmatic

50 ms

118 ms

pubmatic.ashx

pubmatic.ashx

163 ms

cookiematch

cookiematch

51 ms

pub

pub

57 ms

lgrt

lgrt

86 ms

epm

epm

161 ms

cse

cse

214 ms

pm_match

pm_match

46 ms

UCookieSetPug

UCookieSetPug

83 ms

pub_sync.html

pub_sync.html

256 ms

Pug

Pug

87 ms

generic

generic

66 ms

Pug

Pug

92 ms

sync

sync

72 ms

Pug

Pug

97 ms

Pug

Pug

96 ms

Pug

Pug

95 ms

Pug

Pug

100 ms

blank.gif

blank.gif

79 ms

Pug

Pug

102 ms

Pug

Pug

98 ms

Pug

Pug

95 ms

Pug

Pug

101 ms

Pug

Pug

102 ms

Pug

Pug

94 ms

Pug

Pug

93 ms

Pug

Pug

95 ms

Pug

Pug

96 ms

Pug

Pug

97 ms

F31386E9-11C9-47AA-9A8E-A4266A522E93

F31386E9-11C9-47AA-9A8E-A4266A522E93

112 ms

Pug

Pug

91 ms

Pug

Pug

92 ms

check

check

83 ms

Pug

Pug

88 ms

Pug

Pug

97 ms

Pug

Pug

95 ms

Pug

Pug

86 ms

ecc

ecc

86 ms

userweb-print.css

userweb-print.css

124 ms

Pug

Pug

41 ms

Pug

Pug

40 ms

Pug

Pug

42 ms

rexdot.js

rexdot.js

123 ms

Pug

Pug

28 ms

cx

cx

29 ms

Pug

Pug

21 ms

Pug

Pug

20 ms

cse

cse

300 ms

127 ms

Accessibility Review

sdovolena.cz accessibility score

87

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

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

sdovolena.cz best practices score

67

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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

sdovolena.cz SEO score

77

Search Engine Optimization Advices

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 Sdovolena.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 Sdovolena.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

sdovolena.cz

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