Tools & Wizards About Us
doprava.idnes.cz screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

doprava.idnes.cz

Dopravní nehody, dopravní zpravodajství a informace

Page Load Speed

5.5 sec in total

First Response

402 ms

Resources Loaded

4.2 sec

Page Rendered

846 ms

doprava.idnes.cz screenshot

About Website

Click here to check amazing Doprava Idnes content for Czech Republic. Otherwise, check out these important facts you probably never knew about doprava.idnes.cz

Komplexní dopravní zpravodajství. Aktuální informace: uzavírky, dopravní kolony i nehody. Předhledná dopravní mapa celé ČR. Doprava na dálnicích, silnicích, hlavních tazích i ve městech.

Visit doprava.idnes.cz

Key Findings

We analyzed Doprava.idnes.cz page load time and found that the first response time was 402 ms and then it took 5.1 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

doprava.idnes.cz performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

3/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

7/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value4,950 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.128

82/100

15%

TTI (Time to Interactive)

Value19.6 s

2/100

10%

Network Requests Diagram

doprava.idnes.cz

402 ms

doprava

817 ms

auto.idnes.cz_desktop

1228 ms

uni.css

501 ms

reklama.css

520 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Doprava.idnes.cz, 89% (79 requests) were made to 1gr.cz and 3% (3 requests) were made to Spir.hit.gemius.pl. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Delivery.r2b2.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 93.8 kB (11%)

Content Size

839.6 kB

After Optimization

745.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Doprava.idnes.cz main page is 839.6 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. 55% of websites need less resources to load. Images take 557.3 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 80.6 kB

  • Original 107.2 kB
  • After minification 91.9 kB
  • After compression 26.6 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 15.4 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 80.6 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 778 B

  • Original 557.3 kB
  • After minification 556.6 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. Doprava Idnes images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 8.3 kB

  • Original 111.0 kB
  • After minification 110.9 kB
  • After compression 102.7 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

-6%

Potential reduce by 4.1 kB

  • Original 64.1 kB
  • After minification 64.1 kB
  • After compression 60.0 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. Doprava.idnes.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 33 (41%)

Requests Now

81

After Optimization

48

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Doprava 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 13 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

doprava.idnes.cz

doprava.idnes.cz

402 ms

doprava

doprava

817 ms

auto.idnes.cz_desktop

auto.idnes.cz_desktop

1228 ms

uni.css

uni.css

501 ms

reklama.css

reklama.css

520 ms

portal.css

portal.css

522 ms

layout.css

layout.css

615 ms

layout2.css

layout2.css

522 ms

auto.css

auto.css

522 ms

uni.js

uni.js

686 ms

PrettyForm.js

PrettyForm.js

616 ms

2015.js

2015.js

618 ms

cpex-cmp.min.js

cpex-cmp.min.js

439 ms

eyes-idn.css

eyes-idn.css

528 ms

recombee-replace.js

recombee-replace.js

527 ms

paticka.js

paticka.js

712 ms

2021.js

2021.js

618 ms

recombee-2024.js

recombee-2024.js

620 ms

base.css

base.css

95 ms

xgemius.js

xgemius.js

582 ms

gtm.js

gtm.js

110 ms

free.gif

free.gif

589 ms

reklama.svg

reklama.svg

108 ms

idnes.svg

idnes.svg

114 ms

login0.svg

login0.svg

111 ms

menu.svg

menu.svg

112 ms

LAT401e3cb348_DJI_20240702094250_0197_D.jpg

LAT401e3cb348_DJI_20240702094250_0197_D.jpg

115 ms

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THE8b1b2fd110_IMG_20240617_133934.jpg

109 ms

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193 ms

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TTY6061cdbfc4_GUDAU_xWIAAoZ9t.jpg

193 ms

DAV6e72010ccb_130223_2427569.jpg

DAV6e72010ccb_130223_2427569.jpg

197 ms

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BIB4cdcc7e459_profimedia_0891379954.jpg

196 ms

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196 ms

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TEN9274e3_Z_51f7b23bdb0ef2690a0bda66fe0282d9_2.jpg

208 ms

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ZAR8db83d_profimedia_0629224834.jpg

284 ms

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285 ms

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IAP5f840bcb0d_DSC05767.JPG

287 ms

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VEB7d5b363d76_130401_11403469.jpg

287 ms

arrow1-right.svg

arrow1-right.svg

240 ms

inter-regular.woff

inter-regular.woff

254 ms

inter-semibold.woff

inter-semibold.woff

339 ms

inter-extrabold.woff

inter-extrabold.woff

339 ms

obrazek-neni-k-dispozici.png

obrazek-neni-k-dispozici.png

316 ms

play.svg

play.svg

315 ms

time.svg

time.svg

314 ms

TEN93005908dc_profimedia_0895187410.jpg

TEN93005908dc_profimedia_0895187410.jpg

332 ms

ZAR8c6fae_fotoMonikaNavratilovaDSC_1917.jpg

ZAR8c6fae_fotoMonikaNavratilovaDSC_1917.jpg

410 ms

BIB4e911e0757_profimedia_0473020283.jpg

BIB4e911e0757_profimedia_0473020283.jpg

406 ms

LAT8a9d599841_GSH85PQaUAYZ4me.jpg

LAT8a9d599841_GSH85PQaUAYZ4me.jpg

407 ms

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SLV4496a9_121456_1230426.jpg

418 ms

LAT7f8f15f361_GT_aR9EXgAANE1s.jpg

LAT7f8f15f361_GT_aR9EXgAANE1s.jpg

405 ms

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417 ms

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499 ms

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500 ms

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500 ms

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511 ms

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512 ms

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514 ms

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558 ms

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557 ms

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557 ms

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557 ms

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KUR6e71ff6a9e_P2024080105230.jpg

567 ms

firasans-semibold.woff

firasans-semibold.woff

667 ms

firasans-bold.woff

firasans-bold.woff

568 ms

firasans-regular.woff

firasans-regular.woff

572 ms

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569 ms

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570 ms

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583 ms

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660 ms

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582 ms

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569 ms

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569 ms

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578 ms

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579 ms

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MV50e30ff6ed_IMG_20240730_081303.jpg

646 ms

arrow2-right.svg

arrow2-right.svg

564 ms

mobile2.svg

mobile2.svg

572 ms

mail2.svg

mail2.svg

574 ms

rss.svg

rss.svg

574 ms

social-facebook.svg

social-facebook.svg

572 ms

social-twitter.svg

social-twitter.svg

640 ms

social-instagram.svg

social-instagram.svg

566 ms

social-tiktok.svg

social-tiktok.svg

574 ms

social-telegram.svg

social-telegram.svg

576 ms

arrow-up.svg

arrow-up.svg

574 ms

fpdata.js

fpdata.js

91 ms

lsget.html

lsget.html

597 ms

rexdot.js

rexdot.js

92 ms

Accessibility Review

doprava.idnes.cz accessibility score

78

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

doprava.idnes.cz best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

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

doprava.idnes.cz SEO score

80

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

    CS

  • Language Claimed

    CS

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Doprava.idnes.cz 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 Doprava.idnes.cz main page’s claimed encoding is windows-1250. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

doprava.idnes.cz

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