Tools & Wizards About Us
izibike.de screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

izibike.de

Mantel - De fietsenwinkel waar je in één keer slaagt

Page Load Speed

4.2 sec in total

First Response

274 ms

Resources Loaded

3.6 sec

Page Rendered

256 ms

izibike.de screenshot

About Website

Welcome to izibike.de homepage info - get ready to check Izibike best content for Germany right away, or after learning these important things about izibike.de

Groot assortiment aan e-bikes, elektrische fietsen, racefietsen en mountainbikes ✓ 4 fietsenwinkels voor extra service ✓ Voor 22:00 besteld, morgen in huis.

Visit izibike.de

Key Findings

We analyzed Izibike.de page load time and found that the first response time was 274 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

izibike.de performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

7/100

25%

SI (Speed Index)

Value5.9 s

47/100

10%

TBT (Total Blocking Time)

Value1,080 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value0.011

100/100

15%

TTI (Time to Interactive)

Value8.9 s

34/100

10%

Network Requests Diagram

izibike.de

274 ms

www.izibike.de

588 ms

www.izibike.de

387 ms

bootstrap.min.css

353 ms

style.css

268 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that 13% of them (12 requests) were addressed to the original Izibike.de, 28% (25 requests) were made to D1hbm078fhnj3b.cloudfront.net and 15% (13 requests) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source D1hbm078fhnj3b.cloudfront.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 721.3 kB (37%)

Content Size

2.0 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Izibike.de main page is 2.0 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. 60% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 50.6 kB

  • Original 59.5 kB
  • After minification 49.0 kB
  • After compression 8.9 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 10.5 kB, which is 18% 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 50.6 kB or 85% of the original size.

Image Optimization

-3%

Potential reduce by 27.1 kB

  • Original 1.0 MB
  • After minification 974.0 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. Izibike images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 507.2 kB

  • Original 747.4 kB
  • After minification 746.4 kB
  • After compression 240.2 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 507.2 kB or 68% of the original size.

CSS Optimization

-82%

Potential reduce by 136.4 kB

  • Original 166.3 kB
  • After minification 156.7 kB
  • After compression 29.9 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. Izibike.de needs all CSS files to be minified and compressed as it can save up to 136.4 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (41%)

Requests Now

76

After Optimization

45

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Izibike. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

izibike.de

izibike.de

274 ms

www.izibike.de

www.izibike.de

588 ms

www.izibike.de

www.izibike.de

387 ms

bootstrap.min.css

bootstrap.min.css

353 ms

style.css

style.css

268 ms

css

css

60 ms

font-awesome.min.css

font-awesome.min.css

41 ms

tp.widget.sync.bootstrap.min.js

tp.widget.sync.bootstrap.min.js

70 ms

jquery.min.js

jquery.min.js

47 ms

jquery.mobile.custom.min.js

jquery.mobile.custom.min.js

271 ms

bootstrap.min.js

bootstrap.min.js

40 ms

izibike.js

izibike.js

271 ms

analytics.js

analytics.js

117 ms

fbevents.js

fbevents.js

115 ms

tp.widget.bootstrap.min.js

tp.widget.bootstrap.min.js

86 ms

1351.jpg

1351.jpg

1271 ms

embed

embed

247 ms

1352.jpg

1352.jpg

1061 ms

1353.jpg

1353.jpg

1262 ms

product.php

product.php

224 ms

product.php

product.php

493 ms

product.php

product.php

939 ms

product.php

product.php

246 ms

product.php

product.php

984 ms

product.php

product.php

1016 ms

product.php

product.php

1501 ms

product.php

product.php

1390 ms

product.php

product.php

1556 ms

product.php

product.php

1602 ms

product.php

product.php

1802 ms

product.php

product.php

1669 ms

product.php

product.php

1396 ms

product.php

product.php

1897 ms

product.php

product.php

2004 ms

product.php

product.php

1562 ms

trustpilot-logo-3.png

trustpilot-logo-3.png

1567 ms

widget-logos-mastercard.jpg

widget-logos-mastercard.jpg

1571 ms

widget-logos-visa.jpg

widget-logos-visa.jpg

1574 ms

widget-logos-paypal.jpg

widget-logos-paypal.jpg

1579 ms

widget-logos-sofort.jpg

widget-logos-sofort.jpg

1976 ms

widget-logos-dpd.jpg

widget-logos-dpd.jpg

1606 ms

logo-2x.png

logo-2x.png

327 ms

izibike-cart-4.png

izibike-cart-4.png

327 ms

banner-izibike-homepage.jpg

banner-izibike-homepage.jpg

491 ms

izibike-bas-160.png

izibike-bas-160.png

394 ms

bas-izibike-4.png

bas-izibike-4.png

577 ms

_xyN3apAT_yRRDeqB3sPRg.woff

_xyN3apAT_yRRDeqB3sPRg.woff

114 ms

OsJ2DjdpjqFRVUSto6IffD8E0i7KZn-EPnyo3HZu7kw.woff

OsJ2DjdpjqFRVUSto6IffD8E0i7KZn-EPnyo3HZu7kw.woff

148 ms

_aijTyevf54tkVDLy-dlnD8E0i7KZn-EPnyo3HZu7kw.woff

_aijTyevf54tkVDLy-dlnD8E0i7KZn-EPnyo3HZu7kw.woff

174 ms

0ihfXUL2emPh0ROJezvraD8E0i7KZn-EPnyo3HZu7kw.woff

0ihfXUL2emPh0ROJezvraD8E0i7KZn-EPnyo3HZu7kw.woff

175 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

72 ms

81 ms

collect

collect

56 ms

collect

collect

156 ms

collect

collect

67 ms

js

js

56 ms

init_embed.js

init_embed.js

36 ms

ga-audiences

ga-audiences

19 ms

common.js

common.js

41 ms

map.js

map.js

41 ms

google4.png

google4.png

77 ms

overlay.js

overlay.js

9 ms

util.js

util.js

72 ms

onion.js

onion.js

102 ms

search_impl.js

search_impl.js

101 ms

StaticMapService.GetMapImage

StaticMapService.GetMapImage

186 ms

stats.js

stats.js

65 ms

openhand_8_8.cur

openhand_8_8.cur

32 ms

ViewportInfoService.GetViewportInfo

ViewportInfoService.GetViewportInfo

65 ms

ViewportInfoService.GetViewportInfo

ViewportInfoService.GetViewportInfo

41 ms

kh

kh

56 ms

transparent.png

transparent.png

43 ms

controls.js

controls.js

17 ms

css

css

40 ms

entity11.png

entity11.png

37 ms

vt

vt

102 ms

vt

vt

85 ms

vt

vt

99 ms

vt

vt

93 ms

vt

vt

97 ms

mapcnt6.png

mapcnt6.png

24 ms

tmapctrl.png

tmapctrl.png

30 ms

2UX7WLTfW3W8TclTUvlFyQ.woff

2UX7WLTfW3W8TclTUvlFyQ.woff

8 ms

RxZJdnzeo3R5zSexge8UUT8E0i7KZn-EPnyo3HZu7kw.woff

RxZJdnzeo3R5zSexge8UUT8E0i7KZn-EPnyo3HZu7kw.woff

7 ms

Hgo13k-tfSpn0qi1SFdUfT8E0i7KZn-EPnyo3HZu7kw.woff

Hgo13k-tfSpn0qi1SFdUfT8E0i7KZn-EPnyo3HZu7kw.woff

9 ms

d-6IYplOFocCacKzxwXSOD8E0i7KZn-EPnyo3HZu7kw.woff

d-6IYplOFocCacKzxwXSOD8E0i7KZn-EPnyo3HZu7kw.woff

10 ms

AuthenticationService.Authenticate

AuthenticationService.Authenticate

17 ms

collect

collect

4 ms

collect

collect

3 ms

Accessibility Review

izibike.de accessibility score

64

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

Image elements do not have [alt] attributes

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

izibike.de best practices score

83

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

izibike.de SEO score

86

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

    NL

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Izibike.de can be misinterpreted by Google and other search engines. Our service has detected that Dutch 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 Izibike.de main page’s claimed encoding is iso-8859-1. 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

izibike.de

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