Tools & Wizards About Us
jizdnirady.idnes.cz screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 52

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

jizdnirady.idnes.cz

IDOS • Všechny jízdní řády • Vyhledání spojení

Page Load Speed

5 sec in total

First Response

658 ms

Resources Loaded

4.1 sec

Page Rendered

255 ms

jizdnirady.idnes.cz screenshot

About Website

Visit jizdnirady.idnes.cz now to see the best up-to-date Jizdnirady Idnes content for Czech Republic and also check out these interesting facts you probably never knew about jizdnirady.idnes.cz

IDOS umožňuje vyhledání spojení v jízdních řádech vlaků, autobusů, MHD a letadel. Vyhledává spojení různých dopravců a zobrazuje aktuální polohy vlaků a autobusů. Pro vyhledané spojení lze zakoupit jí...

Visit jizdnirady.idnes.cz

Key Findings

We analyzed Jizdnirady.idnes.cz page load time and found that the first response time was 658 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

jizdnirady.idnes.cz performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value10.3 s

0/100

25%

SI (Speed Index)

Value11.5 s

5/100

10%

TBT (Total Blocking Time)

Value2,580 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value17.5 s

4/100

10%

Network Requests Diagram

jizdnirady.idnes.cz

658 ms

idos.idnes.cz

757 ms

280 ms

uni.js

506 ms

reklama.css

419 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Jizdnirady.idnes.cz, 24% (12 requests) were made to 1gr.cz and 20% (10 requests) were made to Idos.idnes.cz. The less responsive or slowest element that took the longest time to load (757 ms) relates to the external source Idos.idnes.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 86.3 kB (31%)

Content Size

278.6 kB

After Optimization

192.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jizdnirady.idnes.cz main page is 278.6 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. 45% of websites need less resources to load. Javascripts take 122.5 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 77.5 kB

  • Original 94.2 kB
  • After minification 75.5 kB
  • After compression 16.6 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 18.6 kB, which is 20% 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 77.5 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 539 B

  • Original 50.2 kB
  • After minification 49.7 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. Jizdnirady Idnes images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 6.8 kB

  • Original 122.5 kB
  • After minification 122.5 kB
  • After compression 115.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-12%

Potential reduce by 1.4 kB

  • Original 11.7 kB
  • After minification 11.7 kB
  • After compression 10.3 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. Jizdnirady.idnes.cz needs all CSS files to be minified and compressed as it can save up to 1.4 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (72%)

Requests Now

46

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jizdnirady Idnes. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jizdnirady.idnes.cz

jizdnirady.idnes.cz

658 ms

idos.idnes.cz

idos.idnes.cz

757 ms

280 ms

uni.js

uni.js

506 ms

reklama.css

reklama.css

419 ms

cpex-cmp.min.js

cpex-cmp.min.js

18 ms

idos.css

idos.css

439 ms

css

css

359 ms

all.min.css

all.min.css

26 ms

segmentace.js

segmentace.js

440 ms

jizdni-rady.js

jizdni-rady.js

439 ms

loader.js

loader.js

623 ms

eyes-idn.css

eyes-idn.css

439 ms

recombee-replace.js

recombee-replace.js

417 ms

external

external

560 ms

app

app

566 ms

app-maps

app-maps

449 ms

app-maps-seznam

app-maps-seznam

455 ms

js

js

55 ms

paticka.js

paticka.js

593 ms

xgemius.js

xgemius.js

718 ms

smap-jak.js

smap-jak.js

388 ms

config.js

config.js

385 ms

pano.js

pano.js

384 ms

cs.js

cs.js

288 ms

smap-jak.css

smap-jak.css

292 ms

pano.css

pano.css

287 ms

logo-idos-ikona.svg

logo-idos-ikona.svg

174 ms

SUB84afb98774_DSC_7083.JPG

SUB84afb98774_DSC_7083.JPG

154 ms

free.gif

free.gif

623 ms

ZAR4f13f0fbdc_FotoJet.jpg

ZAR4f13f0fbdc_FotoJet.jpg

154 ms

ZAR52c7b0e246_FotoJet.jpg

ZAR52c7b0e246_FotoJet.jpg

155 ms

HRJ95a5741f67_P2023052307340.jpg

HRJ95a5741f67_P2023052307340.jpg

154 ms

idos.woff

idos.woff

143 ms

gtm.js

gtm.js

45 ms

content_ic_timetable_all.png

content_ic_timetable_all.png

153 ms

loader.js

loader.js

756 ms

fpdata.js

fpdata.js

116 ms

js

js

94 ms

analytics.js

analytics.js

89 ms

lsget.html

lsget.html

490 ms

collect

collect

23 ms

collect

collect

28 ms

collect

collect

27 ms

js

js

52 ms

js

js

119 ms

rexdot.js

rexdot.js

93 ms

1.js

1.js

107 ms

2.js

2.js

215 ms

flexo.js

flexo.js

483 ms

Accessibility Review

jizdnirady.idnes.cz accessibility score

52

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.

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

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

jizdnirady.idnes.cz best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Requests the geolocation permission on page load

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

jizdnirady.idnes.cz SEO score

77

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jizdnirady.idnes.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Jizdnirady.idnes.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

jizdnirady.idnes.cz

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