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lingelaar.nl screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

lingelaar.nl

Welkom bij basisschool de Lingelaar

Page Load Speed

2.3 sec in total

First Response

464 ms

Resources Loaded

1.6 sec

Page Rendered

280 ms

lingelaar.nl screenshot

About Website

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

Visit lingelaar.nl

Key Findings

We analyzed Lingelaar.nl page load time and found that the first response time was 464 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

lingelaar.nl performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

7/100

25%

SI (Speed Index)

Value5.4 s

55/100

10%

TBT (Total Blocking Time)

Value90 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.353

31/100

15%

TTI (Time to Interactive)

Value5.0 s

77/100

10%

Network Requests Diagram

lingelaar.nl

464 ms

buttons.css

90 ms

global.css

185 ms

general.css

183 ms

newclass.css

200 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that all of those requests were addressed to Lingelaar.nl and no external sources were called. The less responsive or slowest element that took the longest time to load (628 ms) belongs to the original domain Lingelaar.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 42.4 kB (3%)

Content Size

1.4 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • CSS

In fact, the total size of Lingelaar.nl main page is 1.4 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 15.9 kB

  • Original 20.0 kB
  • After minification 19.1 kB
  • After compression 4.2 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 15.9 kB or 79% of the original size.

Image Optimization

-1%

Potential reduce by 13.4 kB

  • Original 1.4 MB
  • After minification 1.4 MB

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. Lingelaar images are well optimized though.

CSS Optimization

-86%

Potential reduce by 13.2 kB

  • Original 15.3 kB
  • After minification 11.2 kB
  • After compression 2.1 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. Lingelaar.nl needs all CSS files to be minified and compressed as it can save up to 13.2 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (32%)

Requests Now

31

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lingelaar. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

lingelaar.nl

lingelaar.nl

464 ms

buttons.css

buttons.css

90 ms

global.css

global.css

185 ms

general.css

general.css

183 ms

newclass.css

newclass.css

200 ms

txt.css

txt.css

185 ms

functions.js

functions.js

187 ms

jquerylatest.min.js

jquerylatest.min.js

436 ms

jquery.browserdetection.js

jquery.browserdetection.js

270 ms

pop_events.php

pop_events.php

305 ms

setheight.php

setheight.php

294 ms

tabfix.js

tabfix.js

280 ms

slideshow.min.js

slideshow.min.js

290 ms

bootstrapFixOld.css

bootstrapFixOld.css

358 ms

global.css

global.css

370 ms

bodygb.jpg

bodygb.jpg

105 ms

header.png

header.png

452 ms

logo.png

logo.png

103 ms

42699_Groep-2-7603.jpg

42699_Groep-2-7603.jpg

483 ms

42700_Groep-3-7451.jpg

42700_Groep-3-7451.jpg

387 ms

42693_Allerlei-7374.jpg

42693_Allerlei-7374.jpg

480 ms

42694_Allerlei-7443.jpg

42694_Allerlei-7443.jpg

544 ms

Digitaal.jpg

Digitaal.jpg

368 ms

42695_Groep-1-7483.jpg

42695_Groep-1-7483.jpg

477 ms

42697_Groep-2-7369.jpg

42697_Groep-2-7369.jpg

567 ms

19599

19599

550 ms

19158

19158

574 ms

10158

10158

568 ms

divider.png

divider.png

573 ms

mask.png

mask.png

617 ms

middlebg.png

middlebg.png

617 ms

footer.png

footer.png

628 ms

Accessibility Review

lingelaar.nl accessibility score

84

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

lingelaar.nl best practices score

83

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

lingelaar.nl SEO score

83

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

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

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lingelaar.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 Lingelaar.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

lingelaar.nl

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