Tools & Wizards About Us
bike.nl screenshot

Report Summary

  • 4

    Performance

    Renders faster than
    20% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

bike.nl

Dé online fietsenwinkel voor de hele familie

Page Load Speed

2.7 sec in total

First Response

769 ms

Resources Loaded

1.8 sec

Page Rendered

123 ms

bike.nl screenshot

About Website

Visit bike.nl now to see the best up-to-date Bike content for Netherlands and also check out these interesting facts you probably never knew about bike.nl

Fiets kopen? Bike.nl is dé online fietsenwinkel voor de hele familie! Ruim assortiment, scherpe prijzen. Voor 15:00 uur besteld, volgende werkdag gratis in huis!

Visit bike.nl

Key Findings

We analyzed Bike.nl page load time and found that the first response time was 769 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

bike.nl performance score

4

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value27.2 s

0/100

25%

SI (Speed Index)

Value72.9 s

0/100

10%

TBT (Total Blocking Time)

Value73,200 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.419

23/100

15%

TTI (Time to Interactive)

Value103.5 s

0/100

10%

Network Requests Diagram

bike.nl

769 ms

stylesheet.css

93 ms

style.css

167 ms

ga.js

171 ms

cbgapi.loaded0

428 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 98% of them (41 requests) were addressed to the original Bike.nl, 2% (1 request) were made to Plus.google.com. The less responsive or slowest element that took the longest time to load (769 ms) belongs to the original domain Bike.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 533.6 kB (72%)

Content Size

737.6 kB

After Optimization

204.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bike.nl main page is 737.6 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. 30% of websites need less resources to load. Javascripts take 503.7 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 26.0 kB

  • Original 30.0 kB
  • After minification 15.9 kB
  • After compression 3.9 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 14.1 kB, which is 47% 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 26.0 kB or 87% of the original size.

Image Optimization

-58%

Potential reduce by 61.5 kB

  • Original 105.3 kB
  • After minification 43.8 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, Bike needs image optimization as it can save up to 61.5 kB or 58% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-72%

Potential reduce by 362.4 kB

  • Original 503.7 kB
  • After minification 456.9 kB
  • After compression 141.3 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 362.4 kB or 72% of the original size.

CSS Optimization

-85%

Potential reduce by 83.7 kB

  • Original 98.6 kB
  • After minification 73.8 kB
  • After compression 14.9 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. Bike.nl needs all CSS files to be minified and compressed as it can save up to 83.7 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (55%)

Requests Now

38

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bike. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bike.nl

bike.nl

769 ms

stylesheet.css

stylesheet.css

93 ms

style.css

style.css

167 ms

ga.js

ga.js

171 ms

cbgapi.loaded0

cbgapi.loaded0

428 ms

jquery-1.js

jquery-1.js

254 ms

jquery_002.js

jquery_002.js

179 ms

jquery.js

jquery.js

181 ms

jquery_003.js

jquery_003.js

248 ms

cloud-zoom.js

cloud-zoom.js

251 ms

slides.js

slides.js

269 ms

ddsmoothmenu.js

ddsmoothmenu.js

272 ms

jquery.css

jquery.css

602 ms

tab.js

tab.js

332 ms

footerslider.css

footerslider.css

337 ms

jcarousel-lite.js

jcarousel-lite.js

358 ms

footerslider.js

footerslider.js

362 ms

plusone.js

plusone.js

415 ms

jquery-1.7.1.min.js

jquery-1.7.1.min.js

509 ms

jquery-ui-1.8.16.custom.min.js

jquery-ui-1.8.16.custom.min.js

637 ms

jquery-ui-1.8.16.custom.css

jquery-ui-1.8.16.custom.css

455 ms

jquery.cookie.js

jquery.cookie.js

496 ms

jquery.colorbox.js

jquery.colorbox.js

508 ms

colorbox.css

colorbox.css

543 ms

tabs.js

tabs.js

577 ms

common.js

common.js

604 ms

bg.gif

bg.gif

92 ms

shop_cart.png

shop_cart.png

319 ms

logo.jpg

logo.jpg

251 ms

phone-no.png

phone-no.png

85 ms

shop_cart.png

shop_cart.png

86 ms

paypal.gif

paypal.gif

92 ms

card-visa.gif

card-visa.gif

166 ms

card-master.gif

card-master.gif

168 ms

ui.totop.png

ui.totop.png

354 ms

loading.gif

loading.gif

171 ms

button-search.png

button-search.png

240 ms

cb=gapi.loaded0

cb=gapi.loaded0

63 ms

controls.png

controls.png

208 ms

border.png

border.png

226 ms

loading_background.png

loading_background.png

286 ms

loading.gif

loading.gif

287 ms

Accessibility Review

bike.nl accessibility score

76

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

[role]s do not have all required [aria-*] attributes

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.

Best Practices

bike.nl best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

bike.nl SEO score

84

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

    NL

  • Language Claimed

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bike.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it matches the claimed language. Our system also found out that Bike.nl 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

bike.nl

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