Tools & Wizards About Us
bookinghotel.cz screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

bookinghotel.cz

Page Load Speed

3.6 sec in total

First Response

353 ms

Resources Loaded

2.8 sec

Page Rendered

430 ms

bookinghotel.cz screenshot

About Website

Visit bookinghotel.cz now to see the best up-to-date Bookinghotel content and also check out these interesting facts you probably never knew about bookinghotel.cz

Wellness hotely v Praze a Brně

Visit bookinghotel.cz

Key Findings

We analyzed Bookinghotel.cz page load time and found that the first response time was 353 ms and then it took 3.2 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

bookinghotel.cz performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value21.3 s

0/100

10%

TBT (Total Blocking Time)

Value3,340 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.025

100/100

15%

TTI (Time to Interactive)

Value30.9 s

0/100

10%

Network Requests Diagram

bookinghotel.cz

353 ms

www.bookinghotel.cz

696 ms

style.css

228 ms

948 ms

brand

16 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 19% of them (7 requests) were addressed to the original Bookinghotel.cz, 25% (9 requests) were made to Dsc.invia.cz and 17% (6 requests) were made to Ssc-affil.invia.cz. The less responsive or slowest element that took the longest time to load (948 ms) relates to the external source Affil.invia.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 91.0 kB (19%)

Content Size

486.3 kB

After Optimization

395.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bookinghotel.cz main page is 486.3 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. 25% of websites need less resources to load. Images take 349.2 kB which makes up the majority of the site volume.

HTML Optimization

-57%

Potential reduce by 8.8 kB

  • Original 15.5 kB
  • After minification 14.9 kB
  • After compression 6.7 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 8.8 kB or 57% of the original size.

Image Optimization

-4%

Potential reduce by 12.3 kB

  • Original 349.2 kB
  • After minification 336.9 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. Bookinghotel images are well optimized though.

JavaScript Optimization

-57%

Potential reduce by 67.2 kB

  • Original 118.3 kB
  • After minification 109.0 kB
  • After compression 51.1 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 67.2 kB or 57% of the original size.

CSS Optimization

-81%

Potential reduce by 2.6 kB

  • Original 3.3 kB
  • After minification 2.5 kB
  • After compression 630 B

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. Bookinghotel.cz needs all CSS files to be minified and compressed as it can save up to 2.6 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (9%)

Requests Now

32

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bookinghotel. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

bookinghotel.cz

bookinghotel.cz

353 ms

www.bookinghotel.cz

www.bookinghotel.cz

696 ms

style.css

style.css

228 ms

948 ms

brand

brand

16 ms

prodej.gif

prodej.gif

238 ms

banner.php

banner.php

330 ms

brand

brand

35 ms

cookieconsent.latest.min.js

cookieconsent.latest.min.js

117 ms

Bobycentrum_Hotel_Brno.JPG

Bobycentrum_Hotel_Brno.JPG

127 ms

wellness.JPG

wellness.JPG

407 ms

Corinthia_Hotel_Praha.JPG

Corinthia_Hotel_Praha.JPG

351 ms

google_custom_search_watermark.gif

google_custom_search_watermark.gif

31 ms

banner_data.php

banner_data.php

144 ms

699 ms

analytics.js

analytics.js

6 ms

collect

collect

11 ms

_layout.css

_layout.css

110 ms

jquery-1.4.4.min.js

jquery-1.4.4.min.js

893 ms

postmessage.js

postmessage.js

326 ms

100x52_blue.jpg

100x52_blue.jpg

336 ms

5231879.jpg

5231879.jpg

448 ms

overlay.png

overlay.png

330 ms

6053059.jpg

6053059.jpg

508 ms

7031326.jpg

7031326.jpg

496 ms

6678836.jpg

6678836.jpg

558 ms

6668765.jpg

6668765.jpg

521 ms

57x30_white.jpg

57x30_white.jpg

242 ms

overlay.png

overlay.png

243 ms

5231879.jpg

5231879.jpg

293 ms

6053059.jpg

6053059.jpg

438 ms

7031326.jpg

7031326.jpg

496 ms

6678836.jpg

6678836.jpg

546 ms

D_sezona2013_obecny_728x90.jpg

D_sezona2013_obecny_728x90.jpg

473 ms

stars.png

stars.png

116 ms

stars.png

stars.png

116 ms

Accessibility Review

bookinghotel.cz accessibility score

84

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

High

<frame> or <iframe> elements do not have a title

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

bookinghotel.cz best practices score

83

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

Missing source maps for large first-party JavaScript

SEO Factors

bookinghotel.cz SEO score

100

Search Engine Optimization Advices

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

    WINDOWS-1250

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

bookinghotel.cz

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