Tools & Wizards About Us
plana-vo.nl screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

plana-vo.nl

Vacatures Voortgezet Onderwijs Arnhem, Nijmegen, de Liemers en de Achterhoek

Page Load Speed

3.2 sec in total

First Response

428 ms

Resources Loaded

2.7 sec

Page Rendered

57 ms

plana-vo.nl screenshot

About Website

Welcome to plana-vo.nl homepage info - get ready to check Plana Vo best content for Netherlands right away, or after learning these important things about plana-vo.nl

De vacaturebank voor het voortgezet onderwijs in de regio Arnhem, Nijmegen, de Liemers en de Achterhoek.

Visit plana-vo.nl

Key Findings

We analyzed Plana-vo.nl page load time and found that the first response time was 428 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

plana-vo.nl performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value7.4 s

28/100

10%

TBT (Total Blocking Time)

Value250 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0.29

41/100

15%

TTI (Time to Interactive)

Value9.7 s

29/100

10%

Network Requests Diagram

plana-vo.nl

428 ms

plana-vo.nl

469 ms

www.plana-vo.nl

515 ms

www.plana-vo.nl

454 ms

gtm.js

61 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that 89% of them (8 requests) were addressed to the original Plana-vo.nl, 11% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (794 ms) belongs to the original domain Plana-vo.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 39.4 kB (25%)

Content Size

155.1 kB

After Optimization

115.7 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Plana-vo.nl main page is 155.1 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 10% of websites need less resources to load. Javascripts take 123.1 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 2.5 kB

  • Original 3.9 kB
  • After minification 3.1 kB
  • After compression 1.3 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. This page needs HTML code to be minified as it can gain 715 B, which is 19% 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 2.5 kB or 66% of the original size.

JavaScript Optimization

-23%

Potential reduce by 28.9 kB

  • Original 123.1 kB
  • After minification 123.1 kB
  • After compression 94.2 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 28.9 kB or 23% of the original size.

CSS Optimization

-28%

Potential reduce by 8.0 kB

  • Original 28.2 kB
  • After minification 28.2 kB
  • After compression 20.1 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. Plana-vo.nl needs all CSS files to be minified and compressed as it can save up to 8.0 kB or 28% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (60%)

Requests Now

5

After Optimization

2

  • JavaScript
  • CSS

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Plana Vo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

plana-vo.nl

plana-vo.nl

428 ms

plana-vo.nl

plana-vo.nl

469 ms

www.plana-vo.nl

www.plana-vo.nl

515 ms

www.plana-vo.nl

www.plana-vo.nl

454 ms

gtm.js

gtm.js

61 ms

styles.0bf3be0ed65f7710c185.css

styles.0bf3be0ed65f7710c185.css

229 ms

runtime.6a41a185ae98bfea0de9.js

runtime.6a41a185ae98bfea0de9.js

339 ms

polyfills.66662ad30eadb93d4a09.js

polyfills.66662ad30eadb93d4a09.js

450 ms

main.e713ffc6368a8ced8248.js

main.e713ffc6368a8ced8248.js

794 ms

Accessibility Review

plana-vo.nl accessibility score

82

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

plana-vo.nl 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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

plana-vo.nl SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Plana-vo.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 Plana-vo.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

plana-vo.nl

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