Report Summary

  • 47

    Performance

    Renders faster than
    66% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

plaza.basisonline.nl

BasisOnline | 2.9.6

Page Load Speed

3.6 sec in total

First Response

270 ms

Resources Loaded

3.1 sec

Page Rendered

192 ms

plaza.basisonline.nl screenshot

About Website

Welcome to plaza.basisonline.nl homepage info - get ready to check Plaza Basis Online best content for Netherlands right away, or after learning these important things about plaza.basisonline.nl

Visit plaza.basisonline.nl

Key Findings

We analyzed Plaza.basisonline.nl page load time and found that the first response time was 270 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

plaza.basisonline.nl performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value7.9 s

3/100

25%

SI (Speed Index)

Value8.8 s

16/100

10%

TBT (Total Blocking Time)

Value250 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.1 s

42/100

10%

Network Requests Diagram

plaza.basisonline.nl

270 ms

plaza.basisonline.nl

428 ms

jsGlobal.js

1258 ms

cssGlobal.css

287 ms

login.css

274 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that all of those requests were addressed to Plaza.basisonline.nl and no external sources were called. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Plaza.basisonline.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 417.9 kB (74%)

Content Size

563.8 kB

After Optimization

145.9 kB

In fact, the total size of Plaza.basisonline.nl main page is 563.8 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. 20% of websites need less resources to load. CSS take 415.7 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 15.7 kB

  • Original 19.5 kB
  • After minification 17.2 kB
  • After compression 3.8 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 2.3 kB, which is 12% 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 15.7 kB or 81% of the original size.

Image Optimization

-5%

Potential reduce by 4.5 kB

  • Original 93.7 kB
  • After minification 89.2 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. Plaza Basis Online images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 24.2 kB

  • Original 34.8 kB
  • After minification 31.9 kB
  • After compression 10.7 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 24.2 kB or 69% of the original size.

CSS Optimization

-90%

Potential reduce by 373.5 kB

  • Original 415.7 kB
  • After minification 397.8 kB
  • After compression 42.2 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. Plaza.basisonline.nl needs all CSS files to be minified and compressed as it can save up to 373.5 kB or 90% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (65%)

Requests Now

31

After Optimization

11

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Plaza Basis Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

plaza.basisonline.nl accessibility score

77

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

Buttons do not have an accessible name

High

Form elements do not have associated labels

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.

Best Practices

plaza.basisonline.nl best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

plaza.basisonline.nl SEO score

77

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

High

Page is blocked from indexing

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

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 Plaza.basisonline.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 Plaza.basisonline.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 Plaza Basis Online. 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: