Tools & Wizards About Us
hotel.cz screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

hotel.cz

Ubytování a hotely pro dovolenou v Česku | Hotel.cz

Page Load Speed

2.9 sec in total

First Response

218 ms

Resources Loaded

2.3 sec

Page Rendered

409 ms

hotel.cz screenshot

About Website

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

Největší výběr hotelů a ubytování v Praze a celé ČR. Rezervujte si hotel online za nejnižší ceny. Nejlepší ceny, žádné další poplatky, plaťte přímo na hotelu. Garance stejné nebo nižší ceny. Hotel.cz ...

Visit hotel.cz

Key Findings

We analyzed Hotel.cz page load time and found that the first response time was 218 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

hotel.cz performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value11.7 s

0/100

25%

SI (Speed Index)

Value4.5 s

73/100

10%

TBT (Total Blocking Time)

Value2,320 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

Network Requests Diagram

hotel.cz

218 ms

www.hotel.cz

515 ms

bundle_3effd1cbb9ce629d3b3cf773b302f675.css

315 ms

otSDKStub.js

32 ms

email-decode.min.js

16 ms

Our browser made a total of 95 requests to load all elements on the main page. We found that 54% of them (51 requests) were addressed to the original Hotel.cz, 26% (25 requests) were made to Images.static-hotel.cz and 5% (5 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (866 ms) belongs to the original domain Hotel.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 89.7 kB (6%)

Content Size

1.4 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Hotel.cz main page is 1.4 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. 70% of websites need less resources to load. Images take 901.3 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 85.4 kB

  • Original 113.7 kB
  • After minification 109.4 kB
  • After compression 28.3 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 85.4 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 1.9 kB

  • Original 901.3 kB
  • After minification 899.3 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. Hotel images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.4 kB

  • Original 366.3 kB
  • After minification 366.3 kB
  • After compression 363.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 60.5 kB
  • After minification 60.5 kB
  • After compression 60.5 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. Hotel.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 32 (36%)

Requests Now

88

After Optimization

56

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 88 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hotel. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

hotel.cz

hotel.cz

218 ms

www.hotel.cz

www.hotel.cz

515 ms

bundle_3effd1cbb9ce629d3b3cf773b302f675.css

bundle_3effd1cbb9ce629d3b3cf773b302f675.css

315 ms

otSDKStub.js

otSDKStub.js

32 ms

email-decode.min.js

email-decode.min.js

16 ms

js

js

54 ms

ld.js

ld.js

25 ms

bundle_c3cca23bd0690cc5a2b3d17fb42766dd.js

bundle_c3cca23bd0690cc5a2b3d17fb42766dd.js

479 ms

vedd3670a3b1c4e178fdfb0cc912d969e1713874337387

vedd3670a3b1c4e178fdfb0cc912d969e1713874337387

61 ms

gtm.js

gtm.js

165 ms

20200609122112_uVruUU--c240x252.jpg

20200609122112_uVruUU--c240x252.jpg

264 ms

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20150414152320_zvyd7x--c240x252.jpg

273 ms

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20230913142912_EJDRjC--c240x252.jpg

282 ms

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20230210132136_aEt5je--c240x252.jpg

283 ms

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20230527164933_C1ciuY--c240x252.jpg

276 ms

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20210324141601_TxCyWd--c240x252.jpg

289 ms

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20220609113931_yMhBBB--c240x252.jpg

287 ms

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20171102083845_UK1FXL--c240x252.jpg

285 ms

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20231216174440_NI6Fzm--c240x252.jpg

286 ms

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20201029095425_PwMQQb--c240x252.jpg

300 ms

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20220323141514_kC7f40--c240x252.jpg

297 ms

20190711131625_Mms2sw--c240x252.jpg

20190711131625_Mms2sw--c240x252.jpg

298 ms

20151019141544_fT0qGx--c240x252.jpg

20151019141544_fT0qGx--c240x252.jpg

300 ms

20190326031245_PZrgAb--c240x252.jpg

20190326031245_PZrgAb--c240x252.jpg

300 ms

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20220910213611_nonYAL--c240x252.jpg

395 ms

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20221125231203_fkHnWB--c240x252.jpg

396 ms

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20210322092307_1JlhsZ--c240x252.jpg

398 ms

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20240208091218_IMLCiF--c240x252.jpg

401 ms

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20200603093240_zSC3r5--c240x252.jpg

398 ms

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20200703151508_MuhWpU--c240x252.jpg

398 ms

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20180601000935_zLBJyM--c240x252.jpg

401 ms

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20180531235720_2s5oyD--c240x252.jpg

403 ms

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20150602153617_go97Rn--c240x252.jpg

405 ms

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20160512161307_Z2tTnd--c240x252.jpg

406 ms

160x160.jpg

160x160.jpg

407 ms

dark.svg

dark.svg

390 ms

map-bg.png

map-bg.png

159 ms

ubytovani-hotel-facebook.svg

ubytovani-hotel-facebook.svg

187 ms

ubytovani-hotel-instagram.svg

ubytovani-hotel-instagram.svg

513 ms

26781057-d309-48cc-85d4-c8730c63b28b.json

26781057-d309-48cc-85d4-c8730c63b28b.json

147 ms

cs.svg

cs.svg

480 ms

en.svg

en.svg

229 ms

de.svg

de.svg

213 ms

sk.svg

sk.svg

211 ms

ru.svg

ru.svg

226 ms

pl.svg

pl.svg

225 ms

charlesbridge-1.jpg

charlesbridge-1.jpg

236 ms

calendar-blue.svg

calendar-blue.svg

233 ms

hotels-map_40x40.png

hotels-map_40x40.png

246 ms

person-gray.svg

person-gray.svg

245 ms

left-darkblue_50x77.png

left-darkblue_50x77.png

247 ms

right-darkblue_50x77.png

right-darkblue_50x77.png

258 ms

praha.jpg

praha.jpg

260 ms

brno.jpg

brno.jpg

260 ms

ostrava.jpg

ostrava.jpg

356 ms

plzen.jpg

plzen.jpg

376 ms

olomouc.jpg

olomouc.jpg

360 ms

liberec.jpg

liberec.jpg

362 ms

ceske-budejovice.jpg

ceske-budejovice.jpg

363 ms

hradec-kralove.jpg

hradec-kralove.jpg

365 ms

pardubice.jpg

pardubice.jpg

367 ms

zlin.jpg

zlin.jpg

371 ms

karlovy-vary.jpg

karlovy-vary.jpg

372 ms

jihlava.jpg

jihlava.jpg

373 ms

bratislava.jpg

bratislava.jpg

374 ms

banska-bystrica.jpg

banska-bystrica.jpg

374 ms

bojnice.jpg

bojnice.jpg

375 ms

poprad.jpg

poprad.jpg

375 ms

map.png

map.png

376 ms

earphone.svg

earphone.svg

597 ms

envelope.svg

envelope.svg

599 ms

location

location

238 ms

Ubuntu-Light.woff

Ubuntu-Light.woff

668 ms

Ubuntu-Regular.woff

Ubuntu-Regular.woff

699 ms

js

js

77 ms

bat.js

bat.js

62 ms

destination

destination

169 ms

l5s4it8eav

l5s4it8eav

182 ms

rc.js

rc.js

794 ms

js

js

151 ms

Ubuntu-Medium.woff

Ubuntu-Medium.woff

568 ms

Ubuntu-Bold.woff

Ubuntu-Bold.woff

753 ms

glyphicons-regular.woff

glyphicons-regular.woff

858 ms

ok.svg

ok.svg

675 ms

calendar.svg

calendar.svg

866 ms

search.svg

search.svg

594 ms

heart-empty.svg

heart-empty.svg

592 ms

right-sharp-orange.svg

right-sharp-orange.svg

590 ms

bg-watermark.png

bg-watermark.png

582 ms

26046261.js

26046261.js

106 ms

otBannerSdk.js

otBannerSdk.js

126 ms

26046261

26046261

37 ms

clarity.js

clarity.js

33 ms

0.7.32

0.7.32

152 ms

c.gif

c.gif

7 ms

Accessibility Review

hotel.cz accessibility score

73

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

Buttons do not have an accessible name

Low

No form fields have multiple labels

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

hotel.cz best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

hotel.cz SEO score

91

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Hotel.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 Hotel.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

hotel.cz

Open Graph data is detected on the main page of Hotel. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: