Tools & Wizards About Us
bikes.cz screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

bikes.cz

Katalog motocyklů 2024 - 1901 | parametry, názory motorkářů.

Page Load Speed

5.9 sec in total

First Response

351 ms

Resources Loaded

5.2 sec

Page Rendered

384 ms

bikes.cz screenshot

About Website

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

Otevřený katalog motocyklů 2024 - 1901, 29611 modelů, 395 motocyklových značek, snadné vyhledávání dle parametrů, technická poradna, servisní manuály...

Visit bikes.cz

Key Findings

We analyzed Bikes.cz page load time and found that the first response time was 351 ms and then it took 5.5 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

bikes.cz performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

30/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value1,580 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.575

12/100

15%

TTI (Time to Interactive)

Value11.0 s

21/100

10%

Network Requests Diagram

bikes.cz

351 ms

www.bikes.cz

2022 ms

katalog.css

559 ms

YuiCompressor.ashx

353 ms

topHeader.css

357 ms

Our browser made a total of 94 requests to load all elements on the main page. We found that 71% of them (67 requests) were addressed to the original Bikes.cz, 14% (13 requests) were made to Media.bikes.cz and 10% (9 requests) were made to Re.bikes.cz. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Bikes.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 185.8 kB (26%)

Content Size

724.3 kB

After Optimization

538.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bikes.cz main page is 724.3 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 591.3 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 43.2 kB

  • Original 54.9 kB
  • After minification 51.2 kB
  • After compression 11.8 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 43.2 kB or 79% of the original size.

Image Optimization

-16%

Potential reduce by 92.7 kB

  • Original 591.3 kB
  • After minification 498.6 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. Obviously, Bikes needs image optimization as it can save up to 92.7 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-22%

Potential reduce by 5.4 kB

  • Original 25.0 kB
  • After minification 24.5 kB
  • After compression 19.6 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 5.4 kB or 22% of the original size.

CSS Optimization

-84%

Potential reduce by 44.5 kB

  • Original 53.1 kB
  • After minification 39.4 kB
  • After compression 8.6 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. Bikes.cz needs all CSS files to be minified and compressed as it can save up to 44.5 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (30%)

Requests Now

90

After Optimization

63

  • Images
  • JavaScript
  • CSS

The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bikes. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bikes.cz

bikes.cz

351 ms

www.bikes.cz

www.bikes.cz

2022 ms

katalog.css

katalog.css

559 ms

YuiCompressor.ashx

YuiCompressor.ashx

353 ms

topHeader.css

topHeader.css

357 ms

highslide.css

highslide.css

595 ms

YuiCompressor.ashx

YuiCompressor.ashx

873 ms

spcjs.php

spcjs.php

478 ms

YuiCompressor.ashx

YuiCompressor.ashx

593 ms

js.axd

js.axd

620 ms

spc.php

spc.php

234 ms

fl.js

fl.js

497 ms

ga.js

ga.js

19 ms

zavrit.gif

zavrit.gif

120 ms

cmn.jpg

cmn.jpg

1087 ms

img_6486O0O231652O33O1102849OIO04507O0854O3.jpg

img_6486O0O231652O33O1102849OIO04507O0854O3.jpg

701 ms

0e5c787432d1d6df09873132df1a8b60.gif

0e5c787432d1d6df09873132df1a8b60.gif

963 ms

dot.asp

dot.asp

249 ms

fblogin.png

fblogin.png

121 ms

icon_fb.png

icon_fb.png

127 ms

logo500.png

logo500.png

118 ms

magnifier.png

magnifier.png

124 ms

56

56

128 ms

motocyklu.png

motocyklu.png

263 ms

header3-1.jpg

header3-1.jpg

485 ms

18

18

274 ms

aprilia.jpg

aprilia.jpg

273 ms

bmw.jpg

bmw.jpg

269 ms

cagiva.jpg

cagiva.jpg

268 ms

ducati.jpg

ducati.jpg

380 ms

harley-davidson.jpg

harley-davidson.jpg

387 ms

honda.jpg

honda.jpg

395 ms

husaberg.jpg

husaberg.jpg

393 ms

husqvarna.jpg

husqvarna.jpg

389 ms

jawa.jpg

jawa.jpg

496 ms

kawasaki.jpg

kawasaki.jpg

506 ms

ktm.jpg

ktm.jpg

508 ms

kymco.jpg

kymco.jpg

510 ms

moto-guzzi.jpg

moto-guzzi.jpg

511 ms

suzuki.jpg

suzuki.jpg

594 ms

triumph.jpg

triumph.jpg

614 ms

yamaha.jpg

yamaha.jpg

623 ms

cestovni.png

cestovni.png

628 ms

enduro.png

enduro.png

632 ms

chopper.png

chopper.png

632 ms

motokros.png

motokros.png

705 ms

nahace.png

nahace.png

731 ms

skutry.png

skutry.png

741 ms

sportovni.png

sportovni.png

745 ms

supermoto.png

supermoto.png

753 ms

14

14

751 ms

22

22

827 ms

14

14

848 ms

img_6580O2970O116406O33O1004278OBO04507O0845O3.jpg

img_6580O2970O116406O33O1004278OBO04507O0845O3.jpg

655 ms

img_6580O2970O26332O33O227778OBO04507O0845O3.jpg

img_6580O2970O26332O33O227778OBO04507O0845O3.jpg

676 ms

img_6580O2970O108257O33O934028OBO04507O0845O3.jpg

img_6580O2970O108257O33O934028OBO04507O0845O3.jpg

677 ms

img_6580O2970O118465O33O1022028OBO04507O0845O3.jpg

img_6580O2970O118465O33O1022028OBO04507O0845O3.jpg

663 ms

img_6580O2970O107155O33O924528OBO04507O0845O3.jpg

img_6580O2970O107155O33O924528OBO04507O0845O3.jpg

663 ms

img_6580O2970O117218O33O1011278OBO04507O0845O3.jpg

img_6580O2970O117218O33O1011278OBO04507O0845O3.jpg

770 ms

img_6580O2970O102805O33O887028OBO04507O0845O3.jpg

img_6580O2970O102805O33O887028OBO04507O0845O3.jpg

777 ms

img_6580O2970O13949O33O121028OBO04507O0845O3.jpg

img_6580O2970O13949O33O121028OBO04507O0845O3.jpg

778 ms

img_6580O2970O7830O33O68278OBO04507O0845O3.jpg

img_6580O2970O7830O33O68278OBO04507O0845O3.jpg

830 ms

img_6580O2970O50083O33O432528OBO04507O0845O3.jpg

img_6580O2970O50083O33O432528OBO04507O0845O3.jpg

793 ms

img_6580O2970O101471O33O875528OBO04507O0845O3.jpg

img_6580O2970O101471O33O875528OBO04507O0845O3.jpg

839 ms

img_6580O2970O104951O33O905528OBO04507O0845O3.jpg

img_6580O2970O104951O33O905528OBO04507O0845O3.jpg

886 ms

__utm.gif

__utm.gif

20 ms

hemi_head_bd_it-webfont.ttf

hemi_head_bd_it-webfont.ttf

876 ms

22

22

761 ms

22

22

765 ms

22

22

759 ms

22

22

823 ms

22

22

848 ms

6bce5738f38e367cb720309a268e883d.jpg

6bce5738f38e367cb720309a268e883d.jpg

689 ms

lg.php

lg.php

200 ms

22

22

745 ms

14

14

746 ms

butt_login.jpg

butt_login.jpg

745 ms

cmn_bw.png

cmn_bw.png

786 ms

icmn_bw.png

icmn_bw.png

817 ms

68ccb5b6840a653308487e15c2807469.gif

68ccb5b6840a653308487e15c2807469.gif

620 ms

lg.php

lg.php

364 ms

bikes.png

bikes.png

728 ms

motozabava_bw.png

motozabava_bw.png

730 ms

sprites.png

sprites.png

736 ms

headerTopBackground.png

headerTopBackground.png

734 ms

cmnad.jpg

cmnad.jpg

774 ms

b61e45b1ca26f8ac89a8fe2a037e7378.jpg

b61e45b1ca26f8ac89a8fe2a037e7378.jpg

1289 ms

lg.php

lg.php

363 ms

centerBackground.png

centerBackground.png

727 ms

home.hover.png

home.hover.png

730 ms

footerBackground.png

footerBackground.png

729 ms

rounded-white.png

rounded-white.png

121 ms

zoomout.cur

zoomout.cur

120 ms

loader.white.gif

loader.white.gif

123 ms

Accessibility Review

bikes.cz accessibility score

84

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

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

bikes.cz best practices score

67

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

bikes.cz SEO score

91

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

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 Bikes.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 Bikes.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

bikes.cz

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