Tools & Wizards About Us

Report Summary

  • 91

    Performance

    Renders faster than
    91% of other websites

  • 37

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

prosolit.nl

Prosolit - PROSOLIT - THE OPEN SOURCE PROFESSIONALS

Page Load Speed

2.3 sec in total

First Response

428 ms

Resources Loaded

1.8 sec

Page Rendered

121 ms

About Website

Welcome to prosolit.nl homepage info - get ready to check Prosolit best content right away, or after learning these important things about prosolit.nl

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Key Findings

We analyzed Prosolit.nl page load time and found that the first response time was 428 ms and then it took 1.9 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

prosolit.nl performance score

91

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.2 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value1.8 s

100/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.272

45/100

15%

TTI (Time to Interactive)

Value1.3 s

100/100

10%

Network Requests Diagram

prosolit.nl

428 ms

prosolit.nl

384 ms

style.css

91 ms

swfobject.js

182 ms

niks.php

91 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that all of those requests were addressed to Prosolit.nl and no external sources were called. The less responsive or slowest element that took the longest time to load (769 ms) belongs to the original domain Prosolit.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 23.9 kB (18%)

Content Size

131.9 kB

After Optimization

107.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Prosolit.nl main page is 131.9 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. 15% of websites need less resources to load. Images take 115.4 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 10.1 kB

  • Original 13.6 kB
  • After minification 13.2 kB
  • After compression 3.5 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 10.1 kB or 74% of the original size.

Image Optimization

-12%

Potential reduce by 13.5 kB

  • Original 115.4 kB
  • After minification 101.9 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. Obviously, Prosolit needs image optimization as it can save up to 13.5 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-11%

Potential reduce by 235 B

  • Original 2.2 kB
  • After minification 2.2 kB
  • After compression 2.0 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 235 B or 11% of the original size.

CSS Optimization

-17%

Potential reduce by 116 B

  • Original 669 B
  • After minification 669 B
  • After compression 553 B

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. Prosolit.nl needs all CSS files to be minified and compressed as it can save up to 116 B or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (33%)

Requests Now

40

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Prosolit. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

prosolit.nl accessibility score

37

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

Best Practices

prosolit.nl best practices score

75

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

Low

Detected JavaScript libraries

SEO Factors

prosolit.nl SEO score

69

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

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Prosolit.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 Prosolit.nl main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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