Access top-hotely.cz. Booking.com | oficiální stránka | nejlepší hotely, letenky, pronájmy aut a ubytování

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

17/100

10%

LCP (Largest Contentful Paint)

Value20.6 s

0/100

25%

SI (Speed Index)

Value13.3 s

2/100

10%

TBT (Total Blocking Time)

Value2,480 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value23.8 s

1/100

10%

top-hotely.cz

294 ms

index.en-gb.html

1186 ms

cookie-banner.min.js

21 ms

2454015045ef79168d452ff4e7f30bdadff0aa81.js

23 ms

453d08328995878e1b0bcd1c19fa7fd7485c1997.css

27 ms

Our browser made a total of 115 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Top-hotely.cz, 90% (103 requests) were made to Cf2.bstatic.com and 6% (7 requests) were made to T-cf.bstatic.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Booking.com.

Content Size

4.2 MB

After Optimization

3.6 MB

In fact, the total size of Top-hotely.cz main page is 4.2 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. Only a small number of websites need less resources to load. Javascripts take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 369.3 kB

Original 526.5 kB
After minification 525.9 kB
After compression 157.1 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 369.3 kB or 70% of the original size.

Image Optimization

-18%

Potential reduce by 235.8 kB

Original 1.3 MB
After minification 1.1 MB

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. Obviously, Top Hotely needs image optimization as it can save up to 235.8 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 1.9 kB

Original 2.0 MB
After minification 2.0 MB
After compression 2.0 MB

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

-2%

Potential reduce by 6.0 kB

Original 361.3 kB
After minification 360.5 kB
After compression 355.4 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. Top-hotely.cz has all CSS files already compressed.

Requests Now

112

After Optimization

The browser has sent 112 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Top Hotely. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 53 to 1 for JavaScripts and from 34 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-*] attributes do not have valid values

High

ARIA IDs are not unique

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

CS
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Top-hotely.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it does not match the claimed English language. Our system also found out that Top-hotely.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

top-hotely.cz

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Booking.com | oficiální stránka | nejlepší hotely, letenky, pronájmy aut a ubytování

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

top-hotely.cz

index.en-gb.html

cookie-banner.min.js

2454015045ef79168d452ff4e7f30bdadff0aa81.js

453d08328995878e1b0bcd1c19fa7fd7485c1997.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

top-hotely.cz

index.en-gb.html

cookie-banner.min.js

2454015045ef79168d452ff4e7f30bdadff0aa81.js

453d08328995878e1b0bcd1c19fa7fd7485c1997.css

0145a0d3506de2178aa594b225f3e6f1d087d020.css

e4765aae192d514fe8551e34b170c5bcdba4f06c.css

59bdac8772527873e7536e0643c5910af816c114.css

98e6aefc0317ddd27241b2be47c262ae876bd710.css

ee24d3562a09d0b558041bf75a6a5903f5cfa17e.css

77204d4da4aa41b08b1a4062c8e66e4629550994.js

bui-react-9.ce2e4841.css

client.b288b5a7.css

97a643cd.c0ab82d6.chunk.css

ace575b5.525b45bc.chunk.css

f141039c.e72e5000.chunk.css

f41dcaf5.8bdbcb7c.chunk.css

0d073a5f.6516ae01.chunk.css

6b631c3f.fdc4e197.chunk.css

59306dc3.90e58132.chunk.css

5f127cf4.66041f2b.chunk.css

782ad794.dadb1337.chunk.css

282e5b08.dfbae76f.chunk.css

95a17449.b3131d97.chunk.css

7943e0ea.eb54d63a.chunk.css

d8454389.db05c8fa.chunk.css

c8637181.6017c8f3.chunk.css

d9560671.e62eeee1.chunk.css

2a955e4a.74c18572.chunk.css

ab72acb5.3dd2eb3d.chunk.css

4a406c23.305c076f.chunk.css

bfe4e8f3.8735a55d.chunk.css

b9a82cb8.1f00bd03.chunk.css

dc32f6b7.2dea5e43.chunk.css

18cad957.65ef5cdd.chunk.css

8067d7e4.65ef5cdd.chunk.css

ebf8c3e3.940e0dbd.chunk.css

0d919837.616251df.chunk.css

27bbaa9c.efefaf03.chunk.css

0acd2ada6c74d5dec978a04ea837952bdf050cd2.js

e1e8c0e862309cb4caf3c0d5fbea48bfb8eaad42.js

9fc72199a3b8ae2b967821deb6fa10d92ce308fc.js

415805de8cc08a6b7d0ae3aa5a3fa4d0bd974a46.js