Tools & Wizards About Us
holidaycheck.cz screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    35% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

holidaycheck.cz

HolidayCheck • Ihr Hotelbewertungs- und Reiseportal

Page Load Speed

2.4 sec in total

First Response

291 ms

Resources Loaded

1.8 sec

Page Rendered

251 ms

holidaycheck.cz screenshot

About Website

Click here to check amazing Holiday Check content for Czech Republic. Otherwise, check out these important facts you probably never knew about holidaycheck.cz

Beim Testsieger HolidayCheck Hotels vergleichen & günstig buchen ✓9 Mio. Hotelbewertungen ✓Preisvergleich von 100 Reiseveranstaltern ✓Bestpreis-Garantie » jetzt klicken

Visit holidaycheck.cz

Key Findings

We analyzed Holidaycheck.cz page load time and found that the first response time was 291 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

holidaycheck.cz performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

17/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value19.6 s

0/100

10%

TBT (Total Blocking Time)

Value38,890 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.125

83/100

15%

TTI (Time to Interactive)

Value47.9 s

0/100

10%

Network Requests Diagram

holidaycheck.cz

291 ms

www.holidaycheck.cz

216 ms

all.css

16 ms

all.js

115 ms

cs_CZ.js

111 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 49% of them (23 requests) were addressed to the original Holidaycheck.cz, 9% (4 requests) were made to Facebook.com and 9% (4 requests) were made to Media.holidaycheck.com. The less responsive or slowest element that took the longest time to load (679 ms) belongs to the original domain Holidaycheck.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.0 MB (73%)

Content Size

2.8 MB

After Optimization

761.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Holidaycheck.cz main page is 2.8 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 387.2 kB

  • Original 460.0 kB
  • After minification 451.5 kB
  • After compression 72.7 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 387.2 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 1.6 kB

  • Original 185.4 kB
  • After minification 183.8 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. Holiday Check images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 1.5 MB

  • Original 1.9 MB
  • After minification 1.9 MB
  • After compression 470.4 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 1.5 MB or 76% of the original size.

CSS Optimization

-84%

Potential reduce by 185.3 kB

  • Original 219.4 kB
  • After minification 219.4 kB
  • After compression 34.1 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. Holidaycheck.cz needs all CSS files to be minified and compressed as it can save up to 185.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (35%)

Requests Now

43

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Holiday Check. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

holidaycheck.cz

holidaycheck.cz

291 ms

www.holidaycheck.cz

www.holidaycheck.cz

216 ms

all.css

all.css

16 ms

all.js

all.js

115 ms

cs_CZ.js

cs_CZ.js

111 ms

gridset-overlay.js

gridset-overlay.js

110 ms

indexContainer_cs_CZ.js

indexContainer_cs_CZ.js

173 ms

client-init.js

client-init.js

110 ms

js

js

220 ms

addthis_widget.js

addthis_widget.js

167 ms

all.js

all.js

205 ms

AppMeasurement.js

AppMeasurement.js

108 ms

postscribe.js

postscribe.js

108 ms

staticmap

staticmap

303 ms

logo.png

logo.png

88 ms

button-search-bg.png

button-search-bg.png

89 ms

handle_suitcase.png

handle_suitcase.png

116 ms

wheretogo.jpg

wheretogo.jpg

679 ms

background.jpg

background.jpg

679 ms

blank.gif

blank.gif

93 ms

sprite_global_elements.png

sprite_global_elements.png

119 ms

logo-miles-and-more.png

logo-miles-and-more.png

95 ms

logo-airberlin.png

logo-airberlin.png

106 ms

json

json

252 ms

dc.js

dc.js

185 ms

json

json

26 ms

300lo.json

300lo.json

100 ms

loading.gif

loading.gif

226 ms

icomoon.woff

icomoon.woff

77 ms

144 ms

sh.7c7179124ea24ac6ba46caac.html

sh.7c7179124ea24ac6ba46caac.html

83 ms

xd_arbiter.php

xd_arbiter.php

99 ms

xd_arbiter.php

xd_arbiter.php

130 ms

ping

ping

165 ms

__utm.gif

__utm.gif

71 ms

like.php

like.php

89 ms

220677.jpg

220677.jpg

234 ms

zXs1Qh79i0Z.js

zXs1Qh79i0Z.js

21 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

13 ms

like.php

like.php

63 ms

addyn%7C3.0%7C682%7C5046173%7C0%7C225%7CADTECH;cfp=1;rndc=1456765808;loc=100;target=_blank;key=index_index+index_index_null;grp=422;misc=1456765808656

addyn%7C3.0%7C682%7C5046173%7C0%7C225%7CADTECH;cfp=1;rndc=1456765808;loc=100;target=_blank;key=index_index+index_index_null;grp=422;misc=1456765808656

93 ms

zXs1Qh79i0Z.js

zXs1Qh79i0Z.js

16 ms

ATCollapse.gif

ATCollapse.gif

7 ms

addyn%7C3.0%7C682%7C5046171%7C0%7C154%7CADTECH;loc=100;target=_blank;key=index_index+index_index_null;grp=422;misc=1456765808973

addyn%7C3.0%7C682%7C5046171%7C0%7C154%7CADTECH;loc=100;target=_blank;key=index_index+index_index_null;grp=422;misc=1456765808973

91 ms

211072.jpg

211072.jpg

41 ms

156219.jpg

156219.jpg

68 ms

37011.jpg

37011.jpg

233 ms

Accessibility Review

holidaycheck.cz accessibility score

90

Accessibility Issues

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

Image elements do not have [alt] attributes

Best Practices

holidaycheck.cz best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

holidaycheck.cz SEO score

93

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

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

    DE

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Holidaycheck.cz can be misinterpreted by Google and other search engines. Our service has detected that German 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 Holidaycheck.cz main page’s claimed encoding is iso-8859-1. 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

holidaycheck.cz

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