Tools & Wizards About Us
sensor.nl screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

sensor.nl

Sensor Partners | Specialist in sensoren en thermografie

Page Load Speed

3 sec in total

First Response

280 ms

Resources Loaded

2.4 sec

Page Rendered

284 ms

sensor.nl screenshot

About Website

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

Sensor Partners, uw leverancier & betrokken partner voor Industriële Sensoren & Thermografie. Intelligente sensoren voor duurzame oplossingen.

Visit sensor.nl

Key Findings

We analyzed Sensor.nl page load time and found that the first response time was 280 ms and then it took 2.7 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

sensor.nl performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

6/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value3,380 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value18.0 s

3/100

10%

Network Requests Diagram

sensor.nl

280 ms

www.sensor.nl

808 ms

global.css

384 ms

downloadattachment.aspx

186 ms

WebResource.axd

273 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 71% of them (30 requests) were addressed to the original Sensor.nl, 24% (10 requests) were made to Beheer.sensorpartners.bitsquad.nl and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (821 ms) relates to the external source Beheer.sensorpartners.bitsquad.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 449.4 kB (70%)

Content Size

638.5 kB

After Optimization

189.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sensor.nl main page is 638.5 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 511.0 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 36.7 kB

  • Original 49.9 kB
  • After minification 42.6 kB
  • After compression 13.2 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 7.2 kB, which is 15% 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 36.7 kB or 74% of the original size.

Image Optimization

-5%

Potential reduce by 1.2 kB

  • Original 24.0 kB
  • After minification 22.9 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. Sensor images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 366.1 kB

  • Original 511.0 kB
  • After minification 491.9 kB
  • After compression 144.9 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 366.1 kB or 72% of the original size.

CSS Optimization

-85%

Potential reduce by 45.5 kB

  • Original 53.6 kB
  • After minification 38.5 kB
  • After compression 8.1 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. Sensor.nl needs all CSS files to be minified and compressed as it can save up to 45.5 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (19%)

Requests Now

21

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sensor. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

sensor.nl

sensor.nl

280 ms

www.sensor.nl

www.sensor.nl

808 ms

global.css

global.css

384 ms

downloadattachment.aspx

downloadattachment.aspx

186 ms

WebResource.axd

WebResource.axd

273 ms

Telerik.Web.UI.WebResource.axd

Telerik.Web.UI.WebResource.axd

799 ms

easySlider1.7.js

easySlider1.7.js

101 ms

global.js

global.js

95 ms

downloadFile.aspx

downloadFile.aspx

821 ms

bg.jpg

bg.jpg

184 ms

sensor-partners-logo.png

sensor-partners-logo.png

282 ms

downloadattachment.aspx

downloadattachment.aspx

194 ms

downloadattachment.aspx

downloadattachment.aspx

701 ms

downloadattachment.aspx

downloadattachment.aspx

710 ms

downloadattachment.aspx

downloadattachment.aspx

290 ms

downloadattachment.aspx

downloadattachment.aspx

369 ms

downloadattachment.aspx

downloadattachment.aspx

388 ms

downloadattachment.aspx

downloadattachment.aspx

469 ms

downloadattachment.aspx

downloadattachment.aspx

474 ms

downloadattachment.aspx

downloadattachment.aspx

486 ms

downloadAttachment.aspx

downloadAttachment.aspx

279 ms

downloadAttachment.aspx

downloadAttachment.aspx

464 ms

downloadAttachment.aspx

downloadAttachment.aspx

553 ms

downloadAttachment.aspx

downloadAttachment.aspx

366 ms

downloadAttachment.aspx

downloadAttachment.aspx

385 ms

downloadAttachment.aspx

downloadAttachment.aspx

456 ms

downloadAttachment.aspx

downloadAttachment.aspx

553 ms

language.png

language.png

97 ms

sprite.png

sprite.png

94 ms

navigation-sprite.png

navigation-sprite.png

97 ms

bg-search.gif

bg-search.gif

98 ms

search-submit.gif

search-submit.gif

252 ms

bg-main.png

bg-main.png

255 ms

bg-footer-large.gif

bg-footer-large.gif

274 ms

ga.js

ga.js

14 ms

ui-bg_flat_75_ffffff_40x100.png

ui-bg_flat_75_ffffff_40x100.png

252 ms

downloadattachment.aspx

downloadattachment.aspx

251 ms

downloadattachment.aspx

downloadattachment.aspx

342 ms

__utm.gif

__utm.gif

12 ms

downloadAttachment.aspx

downloadAttachment.aspx

525 ms

downloadAttachment.aspx

downloadAttachment.aspx

209 ms

print.css

print.css

108 ms

Accessibility Review

sensor.nl accessibility score

94

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

sensor.nl best practices score

83

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

sensor.nl SEO score

97

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

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 Sensor.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 Sensor.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

sensor.nl

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