Tools & Wizards About Us
windowsonline.nl screenshot

Report Summary

  • 82

    Performance

    Renders faster than
    87% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

windowsonline.nl

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Page Load Speed

2.6 sec in total

First Response

482 ms

Resources Loaded

2 sec

Page Rendered

106 ms

windowsonline.nl screenshot

About Website

Click here to check amazing Windowsonline content. Otherwise, check out these important facts you probably never knew about windowsonline.nl

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Key Findings

We analyzed Windowsonline.nl page load time and found that the first response time was 482 ms and then it took 2.1 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

windowsonline.nl performance score

82

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

93/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

71/100

25%

SI (Speed Index)

Value3.2 s

92/100

10%

TBT (Total Blocking Time)

Value290 ms

80/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value5.6 s

69/100

10%

Network Requests Diagram

windowsonline.nl

482 ms

script.js

387 ms

template_css.css

484 ms

dark_color.css

583 ms

style.css

581 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 60% of them (21 requests) were addressed to the original Windowsonline.nl, 14% (5 requests) were made to Pagead2.googlesyndication.com and 6% (2 requests) were made to Webspeciaal.nl. The less responsive or slowest element that took the longest time to load (583 ms) belongs to the original domain Windowsonline.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 17.0 kB (5%)

Content Size

350.3 kB

After Optimization

333.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Windowsonline.nl main page is 350.3 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. 20% of websites need less resources to load. Javascripts take 303.6 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 11.0 kB

  • Original 15.8 kB
  • After minification 15.0 kB
  • After compression 4.8 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 11.0 kB or 69% of the original size.

Image Optimization

-3%

Potential reduce by 822 B

  • Original 24.7 kB
  • After minification 23.9 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. Windowsonline images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 3.8 kB

  • Original 303.6 kB
  • After minification 303.6 kB
  • After compression 299.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-24%

Potential reduce by 1.5 kB

  • Original 6.3 kB
  • After minification 6.3 kB
  • After compression 4.8 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. Windowsonline.nl needs all CSS files to be minified and compressed as it can save up to 1.5 kB or 24% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (76%)

Requests Now

33

After Optimization

8

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Windowsonline. 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 from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

windowsonline.nl

windowsonline.nl

482 ms

script.js

script.js

387 ms

template_css.css

template_css.css

484 ms

dark_color.css

dark_color.css

583 ms

style.css

style.css

581 ms

cookiewet.js

cookiewet.js

305 ms

urchin.js

urchin.js

6 ms

sha1.js

sha1.js

581 ms

show_ads.js

show_ads.js

70 ms

ig_background_red.png

ig_background_red.png

100 ms

__utm.gif

__utm.gif

3 ms

ig_shadow_left_red.png

ig_shadow_left_red.png

103 ms

ig_shadow_right_red.png

ig_shadow_right_red.png

104 ms

ig_header_blue.png

ig_header_blue.png

196 ms

ig_shield_blue.png

ig_shield_blue.png

200 ms

ig_headertext_blue.png

ig_headertext_blue.png

199 ms

ig_vertdots_white.png

ig_vertdots_white.png

200 ms

ig_menu_bg_blue.png

ig_menu_bg_blue.png

201 ms

ig_shield2_blue.png

ig_shield2_blue.png

203 ms

ig_menu_divider_blue.png

ig_menu_divider_blue.png

295 ms

ig_showcase_shadow_top_grey.png

ig_showcase_shadow_top_grey.png

303 ms

ig_showcase_header_grey.png

ig_showcase_header_grey.png

303 ms

ig_content_shadow_top_beige.png

ig_content_shadow_top_beige.png

290 ms

ig_content_shadow_bottom_beige.png

ig_content_shadow_bottom_beige.png

288 ms

adsbygoogle.js

adsbygoogle.js

108 ms

show_ads_impl.js

show_ads_impl.js

236 ms

print.css

print.css

135 ms

dark-top.css

dark-top.css

448 ms

zrt_lookup.html

zrt_lookup.html

35 ms

ads

ads

51 ms

sodar

sodar

76 ms

sodar2.js

sodar2.js

18 ms

runner.html

runner.html

5 ms

aframe

aframe

34 ms

lajp94t3Yku_BqlI-AjWiI17V6mUj8-6WWamWYdwUVE.js

lajp94t3Yku_BqlI-AjWiI17V6mUj8-6WWamWYdwUVE.js

5 ms

Accessibility Review

windowsonline.nl accessibility score

73

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

Best Practices

windowsonline.nl best practices score

67

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

windowsonline.nl SEO score

67

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Windowsonline.nl 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 Windowsonline.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

windowsonline.nl

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