Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

zelf.nl

Zelf - Het persoonlijke dashboard voor startende ZZP'ers - Zelf!

Page Load Speed

4.2 sec in total

First Response

341 ms

Resources Loaded

2.8 sec

Page Rendered

1.1 sec

zelf.nl screenshot

About Website

Click here to check amazing Zelf content for Netherlands. Otherwise, check out these important facts you probably never knew about zelf.nl

Met het slimme & persoonlijke dashboard van Zelf krijg je grip op al je ZZP-taken. Zo kan jij je focussen op wat je graag doet: ondernemen. Administratie, boekhouding, financiën, ondernemingsplan, KvK...

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Key Findings

We analyzed Zelf.nl page load time and found that the first response time was 341 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

zelf.nl performance score

0

Network Requests Diagram

zelf.nl

341 ms

zelf.nl

622 ms

j.php

42 ms

gtm.js

154 ms

sprite.png

179 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 55% of them (26 requests) were addressed to the original Zelf.nl, 13% (6 requests) were made to Google.com and 6% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (634 ms) belongs to the original domain Zelf.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 397.2 kB (57%)

Content Size

692.8 kB

After Optimization

295.5 kB

In fact, the total size of Zelf.nl main page is 692.8 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. 30% of websites need less resources to load. Javascripts take 223.3 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 150.3 kB

  • Original 174.1 kB
  • After minification 138.5 kB
  • After compression 23.8 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. This page needs HTML code to be minified as it can gain 35.7 kB, which is 20% 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 150.3 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 146.6 kB
  • After minification 146.6 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. Zelf images are well optimized though.

JavaScript Optimization

-56%

Potential reduce by 124.6 kB

  • Original 223.3 kB
  • After minification 223.1 kB
  • After compression 98.7 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 124.6 kB or 56% of the original size.

CSS Optimization

-82%

Potential reduce by 122.3 kB

  • Original 148.7 kB
  • After minification 148.5 kB
  • After compression 26.4 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. Zelf.nl needs all CSS files to be minified and compressed as it can save up to 122.3 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (58%)

Requests Now

36

After Optimization

15

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zelf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and as a result speed up the page load time.

SEO Factors

zelf.nl SEO score

0

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 Zelf.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 Zelf.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 Zelf. 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: