Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

usability.nl

Market Research Data & Customer Insight Company UK & Global

Page Load Speed

7.7 sec in total

First Response

1.9 sec

Resources Loaded

5.6 sec

Page Rendered

235 ms

usability.nl screenshot

About Website

Visit usability.nl now to see the best up-to-date Usability content and also check out these interesting facts you probably never knew about usability.nl

MetrixLab is a global Market Research Company, offering customer insight services & market research data for businesses of all sizes around the globe.

Visit usability.nl

Key Findings

We analyzed Usability.nl page load time and found that the first response time was 1.9 sec and then it took 5.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

usability.nl performance score

0

Network Requests Diagram

www.usability.nl

1857 ms

webfont.js

13 ms

ga.js

13 ms

layerslider.css

165 ms

css

48 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 84% of them (49 requests) were addressed to the original Usability.nl, 5% (3 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Usability.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.9 MB (72%)

Content Size

2.6 MB

After Optimization

729.8 kB

In fact, the total size of Usability.nl main page is 2.6 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. 50% of websites need less resources to load. CSS take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 78.5 kB

  • Original 96.8 kB
  • After minification 94.8 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. 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 78.5 kB or 81% of the original size.

Image Optimization

-14%

Potential reduce by 43.6 kB

  • Original 307.4 kB
  • After minification 263.8 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. Obviously, Usability needs image optimization as it can save up to 43.6 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 646.1 kB

  • Original 922.8 kB
  • After minification 848.9 kB
  • After compression 276.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 646.1 kB or 70% of the original size.

CSS Optimization

-86%

Potential reduce by 1.1 MB

  • Original 1.3 MB
  • After minification 1.0 MB
  • After compression 171.0 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. Usability.nl needs all CSS files to be minified and compressed as it can save up to 1.1 MB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 39 (72%)

Requests Now

54

After Optimization

15

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Usability. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

SEO Factors

usability.nl SEO score

0

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Usability.nl can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Dutch language. Our system also found out that Usability.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 description is not detected on the main page of Usability. 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: