Tools & Wizards About Us
kofferonline.nl screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

kofferonline.nl

Koffers Kopen? Uitgebreide Collectie Koffers | Kofferonline.nl

Page Load Speed

2.6 sec in total

First Response

44 ms

Resources Loaded

2.1 sec

Page Rendered

458 ms

kofferonline.nl screenshot

About Website

Welcome to kofferonline.nl homepage info - get ready to check Kofferonline best content for Netherlands right away, or after learning these important things about kofferonline.nl

Koffers, tassen, rugzakken, handbagage koffers en business tassen van bekende merken. Koffers in diverse modellen, maten en kleuren. Uw koffer gratis thuisbezorgd!

Visit kofferonline.nl

Key Findings

We analyzed Kofferonline.nl page load time and found that the first response time was 44 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

kofferonline.nl performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value10.3 s

0/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value1,750 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value12.3 s

15/100

10%

Network Requests Diagram

kofferonline.nl

44 ms

kofferonline.nl

707 ms

css2

69 ms

reset-min.css

56 ms

theme-1e01eb141.css

26 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 69% of them (18 requests) were addressed to the original Kofferonline.nl, 19% (5 requests) were made to Cdn.jsdelivr.net and 4% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Kofferonline.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 157.5 kB (14%)

Content Size

1.1 MB

After Optimization

954.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kofferonline.nl main page is 1.1 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. 20% of websites need less resources to load. Images take 439.2 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 133.7 kB

  • Original 152.0 kB
  • After minification 124.3 kB
  • After compression 18.3 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 27.7 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 133.7 kB or 88% of the original size.

Image Optimization

-5%

Potential reduce by 20.4 kB

  • Original 439.2 kB
  • After minification 418.8 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. Kofferonline images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 3.2 kB

  • Original 351.9 kB
  • After minification 351.9 kB
  • After compression 348.7 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

-0%

Potential reduce by 296 B

  • Original 168.8 kB
  • After minification 168.8 kB
  • After compression 168.5 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. Kofferonline.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 8 (38%)

Requests Now

21

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kofferonline. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

kofferonline.nl

kofferonline.nl

44 ms

kofferonline.nl

kofferonline.nl

707 ms

css2

css2

69 ms

reset-min.css

reset-min.css

56 ms

theme-1e01eb141.css

theme-1e01eb141.css

26 ms

trackingClient.bundle.js

trackingClient.bundle.js

52 ms

js

js

77 ms

uc.js

uc.js

119 ms

email-decode.min.js

email-decode.min.js

53 ms

bottom-b0662d140.js

bottom-b0662d140.js

349 ms

algoliasearchLite.min.js

algoliasearchLite.min.js

56 ms

algoliasearch.min.js

algoliasearch.min.js

58 ms

instantsearch.production.min.js

instantsearch.production.min.js

60 ms

autocomplete.min.js

autocomplete.min.js

59 ms

icons.svg

icons.svg

300 ms

kofferonlinenl-logo-1624605015.jpg

kofferonlinenl-logo-1624605015.jpg

284 ms

banner_homepage.jpg

banner_homepage.jpg

303 ms

1_2.jpg

1_2.jpg

559 ms

kofferonline.nl

kofferonline.nl

715 ms

Icon_quer_travelite_2021_sw.png

Icon_quer_travelite_2021_sw.png

479 ms

1.jpg

1.jpg

580 ms

blank.png

blank.png

581 ms

trust-logos.png

trust-logos.png

591 ms

silka-medium-webfont.woff

silka-medium-webfont.woff

938 ms

silka-semibold-webfont.woff

silka-semibold-webfont.woff

1008 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1035 ms

Accessibility Review

kofferonline.nl accessibility score

77

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

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

High

Heading elements are not in a sequentially-descending order

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>).

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

kofferonline.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

Missing source maps for large first-party JavaScript

SEO Factors

kofferonline.nl SEO score

92

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

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 Kofferonline.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 Kofferonline.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

kofferonline.nl

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