Tools & Wizards About Us
krystof.net screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    59% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

krystof.net

Kryštof.net - oficiální web kapely Kryštof | Kryštof.net

Page Load Speed

14.2 sec in total

First Response

3.1 sec

Resources Loaded

10.5 sec

Page Rendered

478 ms

krystof.net screenshot

About Website

Visit krystof.net now to see the best up-to-date Krystof content for Czech Republic and also check out these interesting facts you probably never knew about krystof.net

Kryštof.net - oficiální web kapely Kryštof, založené v roce 1992 v Havířově.

Visit krystof.net

Key Findings

We analyzed Krystof.net page load time and found that the first response time was 3.1 sec and then it took 11 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

krystof.net performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value5.5 s

55/100

10%

TBT (Total Blocking Time)

Value820 ms

35/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value9.4 s

31/100

10%

Network Requests Diagram

krystof.net

3143 ms

www.krystof.net

2858 ms

content.css

215 ms

layout.css

353 ms

kfbox.css

218 ms

Our browser made a total of 160 requests to load all elements on the main page. We found that 39% of them (63 requests) were addressed to the original Krystof.net, 19% (30 requests) were made to Widgets.itunes.apple.com and 14% (23 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Krystof.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (41%)

Content Size

2.9 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Krystof.net main page is 2.9 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. 70% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 18.4 kB

  • Original 24.1 kB
  • After minification 20.6 kB
  • After compression 5.6 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 3.5 kB, which is 14% 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 18.4 kB or 77% of the original size.

Image Optimization

-6%

Potential reduce by 76.0 kB

  • Original 1.3 MB
  • After minification 1.2 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. Krystof images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 719.7 kB

  • Original 1.1 MB
  • After minification 994.8 kB
  • After compression 346.4 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 719.7 kB or 68% of the original size.

CSS Optimization

-70%

Potential reduce by 351.0 kB

  • Original 502.3 kB
  • After minification 440.3 kB
  • After compression 151.3 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. Krystof.net needs all CSS files to be minified and compressed as it can save up to 351.0 kB or 70% of the original size.

Requests Breakdown

Number of requests can be reduced by 71 (46%)

Requests Now

155

After Optimization

84

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 155 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Krystof. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 51 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

krystof.net

krystof.net

3143 ms

www.krystof.net

www.krystof.net

2858 ms

content.css

content.css

215 ms

layout.css

layout.css

353 ms

kfbox.css

kfbox.css

218 ms

jquery.js

jquery.js

565 ms

jwplayer.js

jwplayer.js

582 ms

jquery.easing.js

jquery.easing.js

421 ms

jquery.kfbox.js

jquery.kfbox.js

424 ms

kff.js

kff.js

428 ms

kff.widgets.Scroller.js

kff.widgets.Scroller.js

580 ms

kff.Equalizer.js

kff.Equalizer.js

637 ms

main-srdcebeat.js

main-srdcebeat.js

638 ms

ga.js

ga.js

643 ms

bg.jpg

bg.jpg

1264 ms

ga.js

ga.js

108 ms

itunes.html

itunes.html

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logo.png

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basket-bg.png

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line.png

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bg-album.png

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btn-poslech.png

btn-poslech.png

531 ms

obal_800x800_lepsi.jpg

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1498 ms

pattern.jpg

pattern.jpg

957 ms

btn-remove.png

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logo-itunes.png

750 ms

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952 ms

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widget.css

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jquery.js

jquery.js

28 ms

handlebars.js

handlebars.js

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underscore.js

underscore.js

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bootstrap-typeahead.js

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itunes_item.js

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27 ms

widget_templates.js

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25 ms

widget.js

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jquery.tinyscrollbar.min.js

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29 ms

web-storefront-preview.js

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46 ms

web-storefront-base.js

web-storefront-base.js

27 ms

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262 ms

itmsCheck.js

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ocko.png

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ajax-loader.gif

ajax-loader.gif

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css

css

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combined.css

combined.css

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jquery.min.js

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359 ms

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239 ms

soundplayer.js

soundplayer.js

359 ms

build.js

build.js

244 ms

analytics.js

analytics.js

244 ms

retargeting.js

retargeting.js

337 ms

conversion.js

conversion.js

15 ms

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2419 ms

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2427 ms

logo-sherwood.png

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itunes_play_preview.png

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33 ms

sprites_preview_playing_light.png

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209 ms

sprites-web-storefront.png

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28 ms

linetd.png

linetd.png

2384 ms

btn-prev.png

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2449 ms

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2507 ms

supraphonline_logo_780px.png

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348 ms

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634 ms

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620 ms

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Accessibility Review

krystof.net accessibility score

71

Accessibility Issues

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

krystof.net best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

krystof.net SEO score

85

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    CS

  • Encoding

    UTF-8

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

krystof.net

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