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wasco.nl screenshot

Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

wasco.nl

Wasco is dé professionele groothandel in verwarming, sanitair en onderdelen!

Page Load Speed

5.1 sec in total

First Response

327 ms

Resources Loaded

4.3 sec

Page Rendered

430 ms

wasco.nl screenshot

About Website

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

Wasco is jouw betrouwbare partner in de installatiebranche. Met een assortiment van 500.000 producten heeft de groothandel altijd wat jij zoekt.

Visit wasco.nl

Key Findings

We analyzed Wasco.nl page load time and found that the first response time was 327 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

wasco.nl performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.3 s

3/100

10%

LCP (Largest Contentful Paint)

Value13.6 s

0/100

25%

SI (Speed Index)

Value13.6 s

2/100

10%

TBT (Total Blocking Time)

Value16,260 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.222

56/100

15%

TTI (Time to Interactive)

Value25.5 s

0/100

10%

Network Requests Diagram

www.wasco.nl

327 ms

Home.aspx

1159 ms

MyAccount0_LoginAsDebtor.css

295 ms

Header.css

298 ms

jQueryUIInternal.css

320 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 90% of them (44 requests) were addressed to the original Wasco.nl, 6% (3 requests) were made to Google-analytics.com and 2% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Wasco.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 746.8 kB (27%)

Content Size

2.8 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Wasco.nl main page is 2.8 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. 30% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 326.6 kB

  • Original 442.0 kB
  • After minification 441.9 kB
  • After compression 115.4 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 326.6 kB or 74% of the original size.

Image Optimization

-2%

Potential reduce by 40.6 kB

  • Original 1.8 MB
  • After minification 1.8 MB

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. Wasco images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 237.3 kB

  • Original 366.1 kB
  • After minification 352.2 kB
  • After compression 128.8 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 237.3 kB or 65% of the original size.

CSS Optimization

-82%

Potential reduce by 142.3 kB

  • Original 174.4 kB
  • After minification 172.3 kB
  • After compression 32.2 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. Wasco.nl needs all CSS files to be minified and compressed as it can save up to 142.3 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (33%)

Requests Now

45

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wasco. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.wasco.nl

www.wasco.nl

327 ms

Home.aspx

Home.aspx

1159 ms

MyAccount0_LoginAsDebtor.css

MyAccount0_LoginAsDebtor.css

295 ms

Header.css

Header.css

298 ms

jQueryUIInternal.css

jQueryUIInternal.css

320 ms

Feedback_Message.css

Feedback_Message.css

387 ms

Theme.Wasco.css

Theme.Wasco.css

716 ms

_osjs.js

_osjs.js

820 ms

Html5ShivJS.nl-NL.js

Html5ShivJS.nl-NL.js

426 ms

DNZPluginsJS.nl-NL.js

DNZPluginsJS.nl-NL.js

507 ms

DNZScriptsJS.nl-NL.js

DNZScriptsJS.nl-NL.js

490 ms

GoogleAnalyticsJS.js

GoogleAnalyticsJS.js

492 ms

VisualWebsiteOptimizerTrackingCode.js

VisualWebsiteOptimizerTrackingCode.js

531 ms

jQueryUIInternal.nl.js

jQueryUIInternal.nl.js

593 ms

jQueryComponents.nl.js

jQueryComponents.nl.js

589 ms

Feedback_Message.nl.js

Feedback_Message.nl.js

606 ms

performanceprobe.js

performanceprobe.js

356 ms

analytics.js

analytics.js

43 ms

ico_menu.png

ico_menu.png

153 ms

cachet-book-webfont.woff

cachet-book-webfont.woff

245 ms

wasco.png

wasco.png

149 ms

ico_facebook.png

ico_facebook.png

150 ms

ico_linkedin.png

ico_linkedin.png

152 ms

ico_twitter.png

ico_twitter.png

150 ms

ico_google.png

ico_google.png

199 ms

slider%20mastercool%20tas%20aangepast_1342.jpg

slider%20mastercool%20tas%20aangepast_1342.jpg

298 ms

Vaillant%20KetelDeals_1462.png

Vaillant%20KetelDeals_1462.png

401 ms

Biral%20Exclusief%20Homepage_1349.jpg

Biral%20Exclusief%20Homepage_1349.jpg

222 ms

Remeha%20actie_1400.jpg

Remeha%20actie_1400.jpg

330 ms

Wasco%20Deal%20toilet_1461.png

Wasco%20Deal%20toilet_1461.png

405 ms

Ideal%20Standard%20actie_1463.jpg

Ideal%20Standard%20actie_1463.jpg

331 ms

Koolmonoxide_1507.jpg

Koolmonoxide_1507.jpg

345 ms

Piet%20Smit%203_366.jpg

Piet%20Smit%203_366.jpg

402 ms

Frank%202_362.jpg

Frank%202_362.jpg

444 ms

Will%20Rutgers_1127.jpg

Will%20Rutgers_1127.jpg

430 ms

luchtfoto%20nieuw%20DC_1385.jpg

luchtfoto%20nieuw%20DC_1385.jpg

1676 ms

Honeywell%20CO%20meter_1382.jpg

Honeywell%20CO%20meter_1382.jpg

499 ms

subsidie%20afbeelding_1350.png

subsidie%20afbeelding_1350.png

506 ms

ico_chat.png

ico_chat.png

501 ms

ico_phone.png

ico_phone.png

528 ms

ico_mail.png

ico_mail.png

550 ms

searchloading.gif

searchloading.gif

589 ms

sprite.png

sprite.png

580 ms

linkid.js

linkid.js

4 ms

collect

collect

7 ms

collect

collect

51 ms

ga-audiences

ga-audiences

36 ms

_status.aspx

_status.aspx

127 ms

Beacon.aspx

Beacon.aspx

134 ms

Accessibility Review

wasco.nl accessibility score

77

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

wasco.nl best practices score

75

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

Page has valid source maps

SEO Factors

wasco.nl SEO score

100

Search Engine Optimization Advices

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 Wasco.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 Wasco.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

wasco.nl

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