Access vtt.cz. Viamare: Již 30 let specialista na Řecko, člen CK Travel Family

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value1,210 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

vtt.cz

121 ms

vtt.cz

423 ms

www.viamare.cz

1217 ms

main.via.min.css

617 ms

jquery-3.4.1.min.js

410 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Vtt.cz, 58% (48 requests) were made to Viamare.cz and 19% (16 requests) were made to Ckvt.cz. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Ckvt.cz.

Content Size

1.7 MB

After Optimization

942.6 kB

In fact, the total size of Vtt.cz main page is 1.7 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. 65% of websites need less resources to load. HTML takes 781.0 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 675.9 kB

Original 781.0 kB
After minification 647.9 kB
After compression 105.0 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. This page needs HTML code to be minified as it can gain 133.1 kB, which is 17% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 675.9 kB or 87% of the original size.

Image Optimization

-3%

Potential reduce by 16.7 kB

Original 612.9 kB
After minification 596.2 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. Vtt images are well optimized though.

JavaScript Optimization

-20%

Potential reduce by 45.0 kB

Original 223.2 kB
After minification 223.2 kB
After compression 178.2 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 45.0 kB or 20% of the original size.

CSS Optimization

-29%

Potential reduce by 25.3 kB

Original 88.4 kB
After minification 88.4 kB
After compression 63.2 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. Vtt.cz needs all CSS files to be minified and compressed as it can save up to 25.3 kB or 29% of the original size.

Requests Now

After Optimization

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vtt. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

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.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

High

Page is blocked from indexing

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 Vtt.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 Vtt.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

vtt.cz

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

Viamare: Již 30 let specialista na Řecko, člen CK Travel Family | Viamare

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

vtt.cz

vtt.cz

www.viamare.cz

main.via.min.css

jquery-3.4.1.min.js

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

vtt.cz

vtt.cz

www.viamare.cz

main.via.min.css

jquery-3.4.1.min.js

CartSupport.js

ObjectCreatePolyfill.js

SearchForm.js

AjaxPanel.js

js.cookie.js

css

FileHandler.ashx

WebResource.axd

ScriptResource.axd

WebResource.axd

ScriptResource.axd

ScriptResource.axd

js

jsrender.min.js

moment-with-locales.min.js

livesearchform.js

FileHandler.ashx

FileHandler.ashx

FileHandler.ashx

FileHandler.ashx

FileHandler.ashx

FileHandler.ashx

FileHandler.ashx

FileHandler.ashx

FileHandler.ashx

css

FileHandler.ashx

FileHandler.ashx

FileHandler.ashx

FileHandler.ashx

FileHandler.ashx

logo-TF-4brands-view-210x160.jpg

CRO.png

logo-tf-422x116.png

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ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyVVpcBA5Xk.ttf

webfa-regular-400.woff

webfa-light-300.woff