Report Summary

  • 52

    Performance

    Renders faster than
    71% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

onderzoekenadvies.org

Kantelwerkers onderzoek, advies en procesbegeleiding

Page Load Speed

947 ms in total

First Response

411 ms

Resources Loaded

450 ms

Page Rendered

86 ms

onderzoekenadvies.org screenshot

About Website

Welcome to onderzoekenadvies.org homepage info - get ready to check Onderzoek En Advies best content right away, or after learning these important things about onderzoekenadvies.org

Wij helpen mensen in organisaties ontdekken waarom verandering in organisaties of gebieden stagneert, welke rol gedragsaspecten spelen en wat nodig is voor een kanteling

Visit onderzoekenadvies.org

Key Findings

We analyzed Onderzoekenadvies.org page load time and found that the first response time was 411 ms and then it took 536 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster. This domain responded with an error, which can significantly jeopardize Onderzoekenadvies.org rating and web reputation

Performance Metrics

onderzoekenadvies.org performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value110 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.091

92/100

15%

TTI (Time to Interactive)

Value7.5 s

48/100

10%

Network Requests Diagram

onderzoekenadvies.org

411 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Onderzoekenadvies.org and no external sources were called. The less responsive or slowest element that took the longest time to load (411 ms) belongs to the original domain Onderzoekenadvies.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 88 B (28%)

Content Size

320 B

After Optimization

232 B

In fact, the total size of Onderzoekenadvies.org main page is 320 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 320 B which makes up the majority of the site volume.

HTML Optimization

-28%

Potential reduce by 88 B

  • Original 320 B
  • After minification 319 B
  • After compression 232 B

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 88 B or 28% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Review

onderzoekenadvies.org accessibility score

71

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

onderzoekenadvies.org best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

onderzoekenadvies.org 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

    US-ASCII

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Onderzoekenadvies.org 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 Onderzoekenadvies.org main page’s claimed encoding is us-ascii. 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 Onderzoek En Advies. 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: