Tools & Wizards About Us
edriver.cz screenshot

Report Summary

  • 92

    Performance

    Renders faster than
    92% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

edriver.cz

Taxi letiště Praha, ceny taxi na/z letiště Praha Ruzyně od 550 Kč

Page Load Speed

21.7 sec in total

First Response

448 ms

Resources Loaded

21 sec

Page Rendered

245 ms

edriver.cz screenshot

About Website

Visit edriver.cz now to see the best up-to-date Edriver content and also check out these interesting facts you probably never knew about edriver.cz

Taxi Praha - taxi na letiště Praha Ruzyně a taxi z letiště Praha Ruzyně. Na letiště Praha a z letiště Praha levněji než jiná taxi v Praze.

Visit edriver.cz

Key Findings

We analyzed Edriver.cz page load time and found that the first response time was 448 ms and then it took 21.3 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

edriver.cz performance score

92

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

82/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value3.9 s

89/100

10%

Network Requests Diagram

edriver.cz

448 ms

reset.css

213 ms

main.css

319 ms

style.css

215 ms

header.gif

362 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 78% of them (21 requests) were addressed to the original Edriver.cz, 15% (4 requests) were made to Google-analytics.com and 4% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (20 sec) relates to the external source Toplist.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 57.5 kB (37%)

Content Size

154.7 kB

After Optimization

97.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Edriver.cz main page is 154.7 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. 20% of websites need less resources to load. Images take 49.4 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 32.9 kB

  • Original 38.5 kB
  • After minification 22.3 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 16.2 kB, which is 42% 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 32.9 kB or 85% of the original size.

Image Optimization

-1%

Potential reduce by 384 B

  • Original 49.4 kB
  • After minification 49.0 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. Edriver images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 84 B

  • Original 38.2 kB
  • After minification 38.2 kB
  • After compression 38.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-85%

Potential reduce by 24.2 kB

  • Original 28.6 kB
  • After minification 21.6 kB
  • After compression 4.4 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. Edriver.cz needs all CSS files to be minified and compressed as it can save up to 24.2 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (32%)

Requests Now

25

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Edriver. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

edriver.cz

edriver.cz

448 ms

reset.css

reset.css

213 ms

main.css

main.css

319 ms

style.css

style.css

215 ms

header.gif

header.gif

362 ms

cars.png

cars.png

362 ms

dotaz.png

dotaz.png

113 ms

exotika.png

exotika.png

258 ms

js

js

58 ms

bg.gif

bg.gif

116 ms

tray.gif

tray.gif

116 ms

cols.gif

cols.gif

116 ms

dot.gif

dot.gif

116 ms

post_bg.png

post_bg.png

116 ms

aside0.gif

aside0.gif

115 ms

aside0_sub.png

aside0_sub.png

224 ms

aside.gif

aside.gif

222 ms

aside1.gif

aside1.gif

222 ms

aside2.gif

aside2.gif

224 ms

aside3.gif

aside3.gif

224 ms

footer.gif

footer.gif

221 ms

analytics.js

analytics.js

39 ms

ga.js

ga.js

11 ms

__utm.gif

__utm.gif

31 ms

collect

collect

14 ms

print.css

print.css

108 ms

dot.asp

dot.asp

20027 ms

Accessibility Review

edriver.cz accessibility score

94

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.

Best Practices

edriver.cz best practices score

58

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

High

Browser errors were logged to the console

SEO Factors

edriver.cz SEO score

77

Search Engine Optimization Advices

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 Edriver.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 Edriver.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

edriver.cz

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