Access travelon.cz. Invia.cz - Vaše dovolená 2023, Nejširší výběr zájezdů od 300 CK

name

value

score

weighting

FCP (First Contentful Paint)

Value6.7 s

2/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value11.4 s

5/100

10%

TBT (Total Blocking Time)

Value1,570 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value11.3 s

19/100

10%

travelon.cz

328 ms

www.travelon.cz

1547 ms

content.css

322 ms

layout.css

322 ms

kfbox.css

325 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Travelon.cz, 47% (37 requests) were made to Ssc.travelon.cz and 15% (12 requests) were made to Dsc.invia.cz. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Travelon.cz.

Content Size

872.2 kB

After Optimization

647.2 kB

In fact, the total size of Travelon.cz main page is 872.2 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. 40% of websites need less resources to load. Images take 557.0 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 13.1 kB

Original 17.6 kB
After minification 16.4 kB
After compression 4.5 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 13.1 kB or 74% of the original size.

Image Optimization

-6%

Potential reduce by 33.4 kB

Original 557.0 kB
After minification 523.7 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. Travelon images are well optimized though.

JavaScript Optimization

-53%

Potential reduce by 119.2 kB

Original 224.5 kB
After minification 210.8 kB
After compression 105.3 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 119.2 kB or 53% of the original size.

CSS Optimization

-81%

Potential reduce by 59.3 kB

Original 73.0 kB
After minification 63.8 kB
After compression 13.7 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. Travelon.cz needs all CSS files to be minified and compressed as it can save up to 59.3 kB or 81% of the original size.

Requests Now

After Optimization

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Travelon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 7 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-hidden="true"] elements contain focusable descendents

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.

High

Buttons do not have an accessible name

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

Areas of Improvement

High

Does not use HTTPS

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

CS
Encoding

UTF-8

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

travelon.cz

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

Invia.cz - Vaše dovolená 2023, Nejširší výběr zájezdů od 300 CK

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

travelon.cz

www.travelon.cz

content.css

layout.css

kfbox.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

travelon.cz

www.travelon.cz

content.css

layout.css

kfbox.css

icol16.css

jquery.min.js

jquery-ui.min.js

all.js

main.invia.js

conversion.js

ga.js

analytics.js

__utm.gif

collect

164351.jpg

bg-header.jpg

logo-travelon.png

ico-user.png

ico-pig.png

bullet-header.png

bg-slider-pane.png

bg-tabs.png

bg-ribbon-bonus.png

bg-submit-arrow.png

ico-plus.png

bg-call-box.png

ico-phone.png

ico-people.png

ico-facebook-small.png

ico-twitter-small.png

ico-gplus-small.png

travel-expert.jpg

ico-phone-small.png

bg-submit-flex.png

bullet-footer.png

ico-facebook-big.png

ico-twitter-big.png

ico-gplus-big.png

logo-apek.png

logo-accka.png

logo-eciaa.png

logo-iata.png