Tools & Wizards About Us
jazzwelt.sk screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

jazzwelt.sk

Dovolenka 2024 s Jazzwelt: Bulharsko, Chorvátsko, Turecko

Page Load Speed

7.4 sec in total

First Response

2 sec

Resources Loaded

5.2 sec

Page Rendered

289 ms

jazzwelt.sk screenshot

About Website

Click here to check amazing Jazzwelt content for Slovakia. Otherwise, check out these important facts you probably never knew about jazzwelt.sk

Široký výber Last Minute. Dovolenka leto 2024. Zájazdy Bulharsko, Chorvátsko, Turecko a iné. Jazzwelt | Široký výber akciových ponúk | 28 rokov na trhu | 750 000 spokojných zákazníkov.

Visit jazzwelt.sk

Key Findings

We analyzed Jazzwelt.sk page load time and found that the first response time was 2 sec and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

jazzwelt.sk performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.3 s

3/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value200 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0.293

41/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

www.jazzwelt.sk

1971 ms

FileHandler.ashx

235 ms

FileHandler.ashx

358 ms

FileHandler.ashx

435 ms

FileHandler.ashx

456 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 86% of them (50 requests) were addressed to the original Jazzwelt.sk, 3% (2 requests) were made to Googletagmanager.com and 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Jazzwelt.sk.

Page Optimization Overview & Recommendations

Page size can be reduced by 205.1 kB (22%)

Content Size

944.9 kB

After Optimization

739.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jazzwelt.sk main page is 944.9 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. 55% of websites need less resources to load. Images take 672.1 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 140.6 kB

  • Original 167.7 kB
  • After minification 130.6 kB
  • After compression 27.1 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. This page needs HTML code to be minified as it can gain 37.1 kB, which is 22% 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 140.6 kB or 84% of the original size.

Image Optimization

-5%

Potential reduce by 35.6 kB

  • Original 672.1 kB
  • After minification 636.6 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. Jazzwelt images are well optimized though.

JavaScript Optimization

-25%

Potential reduce by 15.9 kB

  • Original 64.4 kB
  • After minification 64.4 kB
  • After compression 48.5 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 15.9 kB or 25% of the original size.

CSS Optimization

-32%

Potential reduce by 13.1 kB

  • Original 40.7 kB
  • After minification 40.7 kB
  • After compression 27.6 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. Jazzwelt.sk needs all CSS files to be minified and compressed as it can save up to 13.1 kB or 32% of the original size.

Requests Breakdown

Number of requests can be reduced by 35 (64%)

Requests Now

55

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jazzwelt. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.jazzwelt.sk

www.jazzwelt.sk

1971 ms

FileHandler.ashx

FileHandler.ashx

235 ms

FileHandler.ashx

FileHandler.ashx

358 ms

FileHandler.ashx

FileHandler.ashx

435 ms

FileHandler.ashx

FileHandler.ashx

456 ms

FileHandler.ashx

FileHandler.ashx

462 ms

FileHandler.ashx

FileHandler.ashx

462 ms

jquery.min.js

jquery.min.js

26 ms

CartSupport.js

CartSupport.js

462 ms

ObjectCreatePolyfill.js

ObjectCreatePolyfill.js

474 ms

SearchForm.js

SearchForm.js

545 ms

AjaxPanel.js

AjaxPanel.js

571 ms

js.cookie.js

js.cookie.js

574 ms

css

css

35 ms

style-jazzwelt.css

style-jazzwelt.css

699 ms

FileHandler.ashx

FileHandler.ashx

690 ms

FileHandler.ashx

FileHandler.ashx

593 ms

FileHandler.ashx

FileHandler.ashx

659 ms

FileHandler.ashx

FileHandler.ashx

688 ms

FileHandler.ashx

FileHandler.ashx

688 ms

FileHandler.ashx

FileHandler.ashx

724 ms

FileHandler.ashx

FileHandler.ashx

805 ms

FileHandler.ashx

FileHandler.ashx

806 ms

FileHandler.ashx

FileHandler.ashx

809 ms

WebResource.axd

WebResource.axd

807 ms

ScriptResource.axd

ScriptResource.axd

820 ms

WebResource.axd

WebResource.axd

828 ms

ScriptResource.axd

ScriptResource.axd

882 ms

ScriptResource.axd

ScriptResource.axd

913 ms

js

js

911 ms

FileHandler.ashx

FileHandler.ashx

834 ms

FileHandler.ashx

FileHandler.ashx

834 ms

FileHandler.ashx

FileHandler.ashx

849 ms

FileHandler.ashx

FileHandler.ashx

897 ms

gtm.js

gtm.js

60 ms

landing

landing

125 ms

js

js

52 ms

logo-top.png

logo-top.png

234 ms

logo-small.png

logo-small.png

235 ms

FileHandler.ashx

FileHandler.ashx

446 ms

FileHandler.ashx

FileHandler.ashx

290 ms

FileHandler.ashx

FileHandler.ashx

290 ms

FileHandler.ashx

FileHandler.ashx

301 ms

FileHandler.ashx

FileHandler.ashx

334 ms

FileHandler.ashx

FileHandler.ashx

440 ms

FileHandler.ashx

FileHandler.ashx

352 ms

FileHandler.ashx

FileHandler.ashx

387 ms

FileHandler.ashx

FileHandler.ashx

411 ms

FileHandler.ashx

FileHandler.ashx

451 ms

FileHandler.ashx

FileHandler.ashx

470 ms

FileHandler.ashx

FileHandler.ashx

513 ms

FileHandler.ashx

FileHandler.ashx

522 ms

logo-white.png

logo-white.png

553 ms

loader.png

loader.png

558 ms

web.min.js

web.min.js

502 ms

FileHandler.ashx

FileHandler.ashx

710 ms

font

font

60 ms

icomoon.ttf

icomoon.ttf

433 ms

Accessibility Review

jazzwelt.sk accessibility score

89

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

Links do not have a discernible name

Tables and lists

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

Impact

Issue

High

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

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

jazzwelt.sk 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

Page has valid source maps

SEO Factors

jazzwelt.sk SEO score

91

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    SK

  • Language Claimed

    SK

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jazzwelt.sk can be misinterpreted by Google and other search engines. Our service has detected that Slovak is used on the page, and it matches the claimed language. Our system also found out that Jazzwelt.sk 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

jazzwelt.sk

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