Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

stroomenzo-online.nl

Onderdelenhuis Stroom & Zo Hengelo - stroomenzo-online

Page Load Speed

2.6 sec in total

First Response

819 ms

Resources Loaded

1.7 sec

Page Rendered

86 ms

About Website

Welcome to stroomenzo-online.nl homepage info - get ready to check Stroomenzo Online best content right away, or after learning these important things about stroomenzo-online.nl

Welkom bij Stroom & Zo, het vertrouwde onderdelenhuis in Hengelo sinds 2012. Ontdek ons uitgebreide assortiment onderdelen voor witgoed, batterijen, een ruime keuze aan lampen, stofzuigerzakken, kabel...

Visit stroomenzo-online.nl

Key Findings

We analyzed Stroomenzo-online.nl page load time and found that the first response time was 819 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

stroomenzo-online.nl performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

7/100

25%

SI (Speed Index)

Value4.1 s

79/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0.045

99/100

15%

TTI (Time to Interactive)

Value8.3 s

40/100

10%

Network Requests Diagram

www.stroomenzo-online.nl

819 ms

modernizr-custom.webp-detection.min.js

137 ms

bootstrap.min.js

40 ms

jquery-ui-1.9.2.custom.min.js

308 ms

2dbd7fe5401d19a34524476a921007dd_jquery.matchHeight.js

248 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 88% of them (21 requests) were addressed to the original Stroomenzo-online.nl, 13% (3 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (819 ms) belongs to the original domain Stroomenzo-online.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 476.0 kB (66%)

Content Size

721.9 kB

After Optimization

245.8 kB

In fact, the total size of Stroomenzo-online.nl main page is 721.9 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. 25% of websites need less resources to load. HTML takes 538.4 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 439.8 kB

  • Original 538.4 kB
  • After minification 477.2 kB
  • After compression 98.6 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 61.1 kB, which is 11% 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 439.8 kB or 82% of the original size.

Image Optimization

-4%

Potential reduce by 1.3 kB

  • Original 29.4 kB
  • After minification 28.1 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. Stroomenzo Online images are well optimized though.

JavaScript Optimization

-29%

Potential reduce by 33.7 kB

  • Original 118.1 kB
  • After minification 118.1 kB
  • After compression 84.4 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 33.7 kB or 29% of the original size.

CSS Optimization

-3%

Potential reduce by 1.2 kB

  • Original 36.0 kB
  • After minification 36.0 kB
  • After compression 34.8 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. Stroomenzo-online.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (65%)

Requests Now

20

After Optimization

7

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stroomenzo Online. 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 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

stroomenzo-online.nl accessibility score

93

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

stroomenzo-online.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

SEO Factors

stroomenzo-online.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 Stroomenzo-online.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 Stroomenzo-online.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

Open Graph data is detected on the main page of Stroomenzo Online. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: