Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

progredi.nl

Introductiepagina

Page Load Speed

1.5 sec in total

First Response

509 ms

Resources Loaded

840 ms

Page Rendered

129 ms

progredi.nl screenshot

About Website

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

Visit progredi.nl

Key Findings

We analyzed Progredi.nl page load time and found that the first response time was 509 ms and then it took 969 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

progredi.nl performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.6 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.3 s

100/100

25%

SI (Speed Index)

Value1.0 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.6 s

100/100

10%

Network Requests Diagram

progredi.nl

509 ms

image3201.jpg

205 ms

image313.gif

203 ms

image314.gif

211 ms

image411.gif

215 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that all of those requests were addressed to Progredi.nl and no external sources were called. The less responsive or slowest element that took the longest time to load (509 ms) belongs to the original domain Progredi.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 25.9 kB (70%)

Content Size

37.3 kB

After Optimization

11.3 kB

In fact, the total size of Progredi.nl main page is 37.3 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. Only 5% of websites need less resources to load. HTML takes 28.8 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 24.9 kB

  • Original 28.8 kB
  • After minification 28.3 kB
  • After compression 3.9 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 24.9 kB or 86% of the original size.

Image Optimization

-12%

Potential reduce by 1.0 kB

  • Original 8.5 kB
  • After minification 7.4 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, Progredi needs image optimization as it can save up to 1.0 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

Number of requests can be reduced by 6 (67%)

Requests Now

9

After Optimization

3

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Progredi. 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.

Accessibility Review

progredi.nl accessibility score

63

Accessibility Issues

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

progredi.nl best practices score

67

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

High

Serves images with low resolution

SEO Factors

progredi.nl SEO score

58

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

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Progredi.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 Progredi.nl main page’s claimed encoding is windows-1252. 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 Progredi. 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: