Tools & Wizards About Us
kolejedolnoslaskie.eu screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

kolejedolnoslaskie.eu

Koleje Dolnośląskie | Zaplanuj swoją podróż z pociągiem KD

Page Load Speed

8.5 sec in total

First Response

504 ms

Resources Loaded

7.8 sec

Page Rendered

155 ms

kolejedolnoslaskie.eu screenshot

About Website

Visit kolejedolnoslaskie.eu now to see the best up-to-date Koleje Dolnoslaskie content for Poland and also check out these interesting facts you probably never knew about kolejedolnoslaskie.eu

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Key Findings

We analyzed Kolejedolnoslaskie.eu page load time and found that the first response time was 504 ms and then it took 8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

kolejedolnoslaskie.eu performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value570 ms

52/100

30%

CLS (Cumulative Layout Shift)

Value0.024

100/100

15%

TTI (Time to Interactive)

Value10.5 s

23/100

10%

Network Requests Diagram

kolejedolnoslaskie.eu

504 ms

www.kolejedolnoslaskie.eu

680 ms

www.kolejedolnoslaskie.eu

582 ms

2631 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

426 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 85% of them (47 requests) were addressed to the original Kolejedolnoslaskie.eu, 4% (2 requests) were made to Googleads.g.doubleclick.net and 4% (2 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Kolejedolnoslaskie.eu.

Page Optimization Overview & Recommendations

Page size can be reduced by 432.4 kB (44%)

Content Size

983.2 kB

After Optimization

550.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kolejedolnoslaskie.eu main page is 983.2 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. 30% of websites need less resources to load. Images take 440.1 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 50.2 kB

  • Original 62.4 kB
  • After minification 58.1 kB
  • After compression 12.2 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 50.2 kB or 80% of the original size.

Image Optimization

-11%

Potential reduce by 46.6 kB

  • Original 440.1 kB
  • After minification 393.5 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. Obviously, Koleje Dolnoslaskie needs image optimization as it can save up to 46.6 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 248.2 kB

  • Original 372.1 kB
  • After minification 332.2 kB
  • After compression 123.9 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 248.2 kB or 67% of the original size.

CSS Optimization

-81%

Potential reduce by 87.5 kB

  • Original 108.7 kB
  • After minification 106.6 kB
  • After compression 21.2 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. Kolejedolnoslaskie.eu needs all CSS files to be minified and compressed as it can save up to 87.5 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (40%)

Requests Now

48

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Koleje Dolnoslaskie. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kolejedolnoslaskie.eu

kolejedolnoslaskie.eu

504 ms

www.kolejedolnoslaskie.eu

www.kolejedolnoslaskie.eu

680 ms

www.kolejedolnoslaskie.eu

www.kolejedolnoslaskie.eu

582 ms

2631 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

426 ms

css_o5m5YfhNvCAmTYElqKpCQG6h1HjE4crK0Lriiytig8I.css

css_o5m5YfhNvCAmTYElqKpCQG6h1HjE4crK0Lriiytig8I.css

802 ms

css_uk753m6thEjuaiYdqBNpgp-LbABS3SnTOvS4DguI-A8.css

css_uk753m6thEjuaiYdqBNpgp-LbABS3SnTOvS4DguI-A8.css

932 ms

css_XsW9XVzqRqzXYn3UyjCjRQgn-t2iJjJqoS9kjQqdReo.css

css_XsW9XVzqRqzXYn3UyjCjRQgn-t2iJjJqoS9kjQqdReo.css

1067 ms

css_S8yYQMoPmKQaK991c3xoSi7vyN662VJtDr2gKctGnTs.css

css_S8yYQMoPmKQaK991c3xoSi7vyN662VJtDr2gKctGnTs.css

1189 ms

js_jpJjaUC0z8JMIyav5oQrYykDRUb64rpaUDpB4Y9aklU.js

js_jpJjaUC0z8JMIyav5oQrYykDRUb64rpaUDpB4Y9aklU.js

1561 ms

js_gMUpr8bicUijVl2vnk4MGr4t_8FAgbVxHvVHQmaMd_k.js

js_gMUpr8bicUijVl2vnk4MGr4t_8FAgbVxHvVHQmaMd_k.js

1311 ms

js_R9UbiVw2xuTUI0GZoaqMDOdX0lrZtgX-ono8RVOUEVc.js

js_R9UbiVw2xuTUI0GZoaqMDOdX0lrZtgX-ono8RVOUEVc.js

1311 ms

js_RJtwMGe4O59kJ89wBN3ZC_nPmC1o42iD1dMEjHMh_Rs.js

js_RJtwMGe4O59kJ89wBN3ZC_nPmC1o42iD1dMEjHMh_Rs.js

1406 ms

js_sNaIruOZHJSgu2_z2MPnWL8Yw-qv_HOsjeCr6FuWVJU.js

js_sNaIruOZHJSgu2_z2MPnWL8Yw-qv_HOsjeCr6FuWVJU.js

1589 ms

js_mZ-0EyTdFS5Nuu7JWltSD_LmoY9tABYws06qwirOWZ8.js

js_mZ-0EyTdFS5Nuu7JWltSD_LmoY9tABYws06qwirOWZ8.js

1589 ms

js_4PBRziogOuvycNKRnOSkCmY2JWufjAq38mOSG5HWaxs.js

js_4PBRziogOuvycNKRnOSkCmY2JWufjAq38mOSG5HWaxs.js

1713 ms

conversion.js

conversion.js

36 ms

cn-append.js

cn-append.js

746 ms

analytics.js

analytics.js

443 ms

background_top.jpg

background_top.jpg

523 ms

logo.png

logo.png

381 ms

sprites.png

sprites.png

628 ms

baner%20SkyCash%20promocja.png

baner%20SkyCash%20promocja.png

1555 ms

Dobry%20Bilet%20Jelenia%20G%C3%B3ra%20-%20Szklarska%20Por%C4%99ba%20baner%20na%20strone%20glowna%20698x298%20v.2.png

Dobry%20Bilet%20Jelenia%20G%C3%B3ra%20-%20Szklarska%20Por%C4%99ba%20baner%20na%20strone%20glowna%20698x298%20v.2.png

926 ms

slideshow_horizontal_shadow.png

slideshow_horizontal_shadow.png

695 ms

search_box_shadow_vertical.png

search_box_shadow_vertical.png

752 ms

search_box_background.png

search_box_background.png

858 ms

throbber-inactive.png

throbber-inactive.png

1007 ms

calendar.png

calendar.png

1078 ms

search_button_background.png

search_button_background.png

1140 ms

search_box_shadow_horizontal.png

search_box_shadow_horizontal.png

1246 ms

home_icon.png

home_icon.png

1805 ms

logo%20Skycash.png

logo%20Skycash.png

1758 ms

jakoscroku.jpg

jakoscroku.jpg

1544 ms

jakoscroku-braz.jpg

jakoscroku-braz.jpg

1661 ms

bezpieczny_przejazd_logo.gif

bezpieczny_przejazd_logo.gif

1948 ms

prawa_logo.gif

prawa_logo.gif

1949 ms

facebook_logo.gif

facebook_logo.gif

2041 ms

bip_logo.gif

bip_logo.gif

2141 ms

dolny_slask_logo.gif

dolny_slask_logo.gif

2195 ms

isms_logo.gif

isms_logo.gif

2318 ms

footer_background.jpg

footer_background.jpg

2317 ms

footer_background_wave.jpg

footer_background_wave.jpg

2324 ms

newsletter.png

newsletter.png

2429 ms

41 ms

creative.netshock.pl

creative.netshock.pl

408 ms

47 ms

60 ms

61 ms

collect

collect

25 ms

overlay.png

overlay.png

2010 ms

pl.png

pl.png

2051 ms

cs.png

cs.png

2176 ms

en.png

en.png

2191 ms

de.png

de.png

2193 ms

Accessibility Review

kolejedolnoslaskie.eu accessibility score

63

Accessibility Issues

ARIA

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.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

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

kolejedolnoslaskie.eu best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

kolejedolnoslaskie.eu SEO score

84

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    PL

  • Language Claimed

    PL

  • Encoding

    UTF-8

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

kolejedolnoslaskie.eu

Open Graph description is not detected on the main page of Koleje Dolnoslaskie. 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: