Tools & Wizards About Us
slovakrail.sk screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

slovakrail.sk

Najväčší osobný železničný dopravca - ZSSK

Page Load Speed

8 sec in total

First Response

742 ms

Resources Loaded

6.4 sec

Page Rendered

850 ms

slovakrail.sk screenshot

About Website

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

Cestujte vlakom na Slovensku aj do zahraničia so ZSSK. Kúpte si lístok a užite si pohodlnú cestu do vášho cieľa.

Visit slovakrail.sk

Key Findings

We analyzed Slovakrail.sk page load time and found that the first response time was 742 ms and then it took 7.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

slovakrail.sk performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.1 s

1/100

10%

LCP (Largest Contentful Paint)

Value15.1 s

0/100

25%

SI (Speed Index)

Value13.2 s

2/100

10%

TBT (Total Blocking Time)

Value3,700 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value17.0 s

4/100

10%

Network Requests Diagram

www.zssk.sk

742 ms

0864d76eafab200073731ad8d5c1c89f7f1cd1f77a6e0b33719d79581a653d65fbbc4959813b3053

201 ms

ruxitagentjs_ICANVfhqru_10287240325103108.js

1022 ms

style.min.css

556 ms

styles.css

555 ms

Our browser made a total of 105 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Slovakrail.sk, 7% (7 requests) were made to App.livechatoo.com and 4% (4 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (3.1 sec) relates to the external source Zssk.sk.

Page Optimization Overview & Recommendations

Page size can be reduced by 339.9 kB (31%)

Content Size

1.1 MB

After Optimization

754.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Slovakrail.sk main page is 1.1 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. Javascripts take 537.5 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 162.6 kB

  • Original 195.7 kB
  • After minification 165.7 kB
  • After compression 33.1 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 30.1 kB, which is 15% 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 162.6 kB or 83% of the original size.

Image Optimization

-1%

Potential reduce by 1.2 kB

  • Original 124.2 kB
  • After minification 123.1 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. Slovakrail images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 128.4 kB

  • Original 537.5 kB
  • After minification 537.5 kB
  • After compression 409.1 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 128.4 kB or 24% of the original size.

CSS Optimization

-20%

Potential reduce by 47.6 kB

  • Original 236.7 kB
  • After minification 236.7 kB
  • After compression 189.0 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. Slovakrail.sk needs all CSS files to be minified and compressed as it can save up to 47.6 kB or 20% of the original size.

Requests Breakdown

Number of requests can be reduced by 68 (67%)

Requests Now

102

After Optimization

34

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 102 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Slovakrail. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 48 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.zssk.sk

www.zssk.sk

742 ms

0864d76eafab200073731ad8d5c1c89f7f1cd1f77a6e0b33719d79581a653d65fbbc4959813b3053

0864d76eafab200073731ad8d5c1c89f7f1cd1f77a6e0b33719d79581a653d65fbbc4959813b3053

201 ms

ruxitagentjs_ICANVfhqru_10287240325103108.js

ruxitagentjs_ICANVfhqru_10287240325103108.js

1022 ms

style.min.css

style.min.css

556 ms

styles.css

styles.css

555 ms

style.min.css

style.min.css

336 ms

cookieblocker.min.css

cookieblocker.min.css

335 ms

style_sk.css

style_sk.css

557 ms

dashicons.min.css

dashicons.min.css

646 ms

font-awesome.min.css

font-awesome.min.css

556 ms

genericons.css

genericons.css

622 ms

vendors.css

vendors.css

1197 ms

main.css

main.css

756 ms

style.css

style.css

567 ms

style_dys.min.css

style_dys.min.css

674 ms

style.css

style.css

726 ms

jquery.min.js

jquery.min.js

968 ms

jquery-migrate.min.js

jquery-migrate.min.js

787 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

830 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

864 ms

wp-polyfill.min.js

wp-polyfill.min.js

1350 ms

autop.min.js

autop.min.js

933 ms

blob.min.js

blob.min.js

970 ms

block-serialization-default-parser.min.js

block-serialization-default-parser.min.js

1224 ms

react.min.js

react.min.js

1225 ms

hooks.min.js

hooks.min.js

1225 ms

deprecated.min.js

deprecated.min.js

1226 ms

dom.min.js

dom.min.js

1225 ms

react-dom.min.js

react-dom.min.js

3096 ms

escape-html.min.js

escape-html.min.js

1230 ms

element.min.js

element.min.js

1230 ms

is-shallow-equal.min.js

is-shallow-equal.min.js

1230 ms

i18n.min.js

i18n.min.js

1239 ms

keycodes.min.js

keycodes.min.js

1331 ms

priority-queue.min.js

priority-queue.min.js

1334 ms

compose.min.js

compose.min.js

1336 ms

menu.xhtml

menu.xhtml

578 ms

mastodon-timeline.css

mastodon-timeline.css

1253 ms

gtm.js

gtm.js

60 ms

private-apis.min.js

private-apis.min.js

1234 ms

destination

destination

31 ms

redux-routine.min.js

redux-routine.min.js

1111 ms

js

js

58 ms

js

js

56 ms

data.min.js

data.min.js

1111 ms

html-entities.min.js

html-entities.min.js

899 ms

shortcode.min.js

shortcode.min.js

905 ms

blocks.min.js

blocks.min.js

1283 ms

script.js

script.js

988 ms

mastodon-timeline.js

mastodon-timeline.js

991 ms

vendors.js

vendors.js

1916 ms

app.min.js

app.min.js

935 ms

ajax-calls.js

ajax-calls.js

987 ms

app.min.js

app.min.js

943 ms

index.js

index.js

941 ms

index.js

index.js

980 ms

scripts.js

scripts.js

1424 ms

hoverIntent.min.js

hoverIntent.min.js

947 ms

maxmegamenu.js

maxmegamenu.js

942 ms

public.js

public.js

958 ms

complianz.min.js

complianz.min.js

1075 ms

landing

landing

76 ms

logo_n.svg

logo_n.svg

127 ms

login_ico.svg

login_ico.svg

129 ms

predplatne-listky.svg

predplatne-listky.svg

410 ms

kreditne-konto.svg

kreditne-konto.svg

417 ms

railplus.svg

railplus.svg

506 ms

maxi-klasik.svg

maxi-klasik.svg

414 ms

RTEmagicC_JUNIOR_RAILPLUS_04-e1583865564580.png

RTEmagicC_JUNIOR_RAILPLUS_04-e1583865564580.png

413 ms

ma_promo_obrazok.jpg

ma_promo_obrazok.jpg

450 ms

ico_pre_firmy.png

ico_pre_firmy.png

419 ms

RTEmagicC_straty_nalezy_o_04-e1574255901430.png

RTEmagicC_straty_nalezy_o_04-e1574255901430.png

420 ms

RTEmagicC_o4-e1633680489970.png

RTEmagicC_o4-e1633680489970.png

420 ms

kariera_banner.jpg

kariera_banner.jpg

942 ms

mastodon_web.svg

mastodon_web.svg

441 ms

logo.svg

logo.svg

516 ms

vlakom_na_hokej_carousel.jpg

vlakom_na_hokej_carousel.jpg

609 ms

wARDj0u

wARDj0u

5 ms

iso_pozadie_box.jpg

iso_pozadie_box.jpg

651 ms

VlakomNaVylet_418x218.jpg

VlakomNaVylet_418x218.jpg

602 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1395 ms

web.min.js

web.min.js

477 ms

admin-ajax.php

admin-ajax.php

1163 ms

20211006_IDS-BK_418x218.png

20211006_IDS-BK_418x218.png

600 ms

Autovlak-HP_418x218.png

Autovlak-HP_418x218.png

566 ms

ua.png

ua.png

640 ms

20211026_ZSSKvele_Vyhlady_FOTOSUTAZ_HP_418x218.png

20211026_ZSSKvele_Vyhlady_FOTOSUTAZ_HP_418x218.png

818 ms

carousel_volte_vlaky.jpg

carousel_volte_vlaky.jpg

826 ms

carousel_vlakom_na_vylet-1.jpg

carousel_vlakom_na_vylet-1.jpg

853 ms

20230125_IC-HP.jpg

20230125_IC-HP.jpg

1023 ms

418x218.jpg

418x218.jpg

1098 ms

Carousel-Dualne-vzdelavanie-min.jpg

Carousel-Dualne-vzdelavanie-min.jpg

1066 ms

Ste-rodeny-rusnovodic_418x218px-1.jpg

Ste-rodeny-rusnovodic_418x218px-1.jpg

1229 ms

20210208_ZSSK-21-002-ZSSK-ID-418x218px.jpg

20210208_ZSSK-21-002-ZSSK-ID-418x218px.jpg

1320 ms

vlakom_k_termalom.jpg

vlakom_k_termalom.jpg

1370 ms

PartnerskeZlavy_418x218-1.jpg

PartnerskeZlavy_418x218-1.jpg

1419 ms

sk

sk

142 ms

global.css

global.css

113 ms

client-embed.min.js

client-embed.min.js

227 ms

client-embed-sk.min.js

client-embed-sk.min.js

329 ms

custom.min.css

custom.min.css

870 ms

logo-5a8aa08df4197.png

logo-5a8aa08df4197.png

111 ms

ilu_arw.png

ilu_arw.png

111 ms

ico_chat.png

ico_chat.png

106 ms

ico_status.png

ico_status.png

106 ms

Accessibility Review

slovakrail.sk accessibility score

79

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

Buttons do not have an accessible name

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

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

Best Practices

slovakrail.sk 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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

slovakrail.sk SEO score

100

Search Engine Optimization Advices

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

    SK

  • Language Claimed

    SK

  • Encoding

    UTF-8

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

slovakrail.sk

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