Report Summary

  • 76

    Performance

    Renders faster than
    84% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 88

    SEO

    Google-friendlier than
    66% of websites

leerlingen.candea.nl

Inloggen voor leerlingen en medewerkers | Candea College

Page Load Speed

4.8 sec in total

First Response

450 ms

Resources Loaded

4.1 sec

Page Rendered

280 ms

leerlingen.candea.nl screenshot

About Website

Welcome to leerlingen.candea.nl homepage info - get ready to check Leerling En Candea best content for Netherlands right away, or after learning these important things about leerlingen.candea.nl

Visit leerlingen.candea.nl

Key Findings

We analyzed Leerlingen.candea.nl page load time and found that the first response time was 450 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

leerlingen.candea.nl performance score

76

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

33/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

62/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.029

100/100

15%

TTI (Time to Interactive)

Value5.2 s

75/100

10%

Network Requests Diagram

leerlingen.candea.nl

450 ms

leerlingen.candea.nl

501 ms

Login

298 ms

leerlingen.candea.nl

180 ms

s5.css

249 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that 77% of them (10 requests) were addressed to the original Leerlingen.candea.nl, 23% (3 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Leerlingen.candea.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 15.9 kB (28%)

Content Size

57.7 kB

After Optimization

41.8 kB

In fact, the total size of Leerlingen.candea.nl main page is 57.7 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 34.1 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 4.0 kB

  • Original 6.3 kB
  • After minification 6.3 kB
  • After compression 2.3 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. 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 4.0 kB or 64% of the original size.

Image Optimization

-8%

Potential reduce by 1.4 kB

  • Original 17.3 kB
  • After minification 15.9 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. Leerling En Candea images are well optimized though.

JavaScript Optimization

-31%

Potential reduce by 10.5 kB

  • Original 34.1 kB
  • After minification 33.3 kB
  • After compression 23.6 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 10.5 kB or 31% of the original size.

CSS Optimization

-24%

Potential reduce by 16 B

  • Original 66 B
  • After minification 53 B
  • After compression 50 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. Leerlingen.candea.nl needs all CSS files to be minified and compressed as it can save up to 16 B or 24% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (30%)

Requests Now

10

After Optimization

7

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Leerling En Candea. 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.

Accessibility Review

leerlingen.candea.nl accessibility score

87

Accessibility Issues

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

Links do not have a discernible name

Best Practices

leerlingen.candea.nl best practices score

67

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

leerlingen.candea.nl SEO score

88

Search Engine Optimization Advices

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Leerlingen.candea.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it does not match the claimed English language. Our system also found out that Leerlingen.candea.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

Open Graph description is not detected on the main page of Leerling En Candea. 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: