Tools & Wizards About Us
aalo.nl screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    35% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

aalo.nl

AALO Opleidingen - Word Fitness- of Yoga Docent- of Personal Trainer » AALO opleidingen

Page Load Speed

3 sec in total

First Response

345 ms

Resources Loaded

2.4 sec

Page Rendered

224 ms

aalo.nl screenshot

About Website

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

Wil je aan de slag als Fitness docent of Personal Trainer? Kies dan voor AALO, met ruim 50 erkende opleidingen is AALO de grootste sportopleider van de Benelux!

Visit aalo.nl

Key Findings

We analyzed Aalo.nl page load time and found that the first response time was 345 ms and then it took 2.6 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

aalo.nl performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value22.7 s

0/100

25%

SI (Speed Index)

Value11.1 s

6/100

10%

TBT (Total Blocking Time)

Value1,870 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value20.3 s

2/100

10%

Network Requests Diagram

aalo.nl

345 ms

www.aalo.nl

934 ms

modernizr-2.6.2-respond-1.1.0.min.js

179 ms

2096660693.js

60 ms

responsive.css

274 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 64% of them (27 requests) were addressed to the original Aalo.nl, 5% (2 requests) were made to S7.addthis.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (934 ms) belongs to the original domain Aalo.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 677.7 kB (43%)

Content Size

1.6 MB

After Optimization

886.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Aalo.nl main page is 1.6 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. 35% of websites need less resources to load. Javascripts take 829.7 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 70.9 kB

  • Original 93.8 kB
  • After minification 89.1 kB
  • After compression 22.9 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 70.9 kB or 76% of the original size.

Image Optimization

-4%

Potential reduce by 20.1 kB

  • Original 559.7 kB
  • After minification 539.6 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. AALO images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 521.4 kB

  • Original 829.7 kB
  • After minification 819.7 kB
  • After compression 308.4 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 521.4 kB or 63% of the original size.

CSS Optimization

-81%

Potential reduce by 65.3 kB

  • Original 80.5 kB
  • After minification 80.4 kB
  • After compression 15.1 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. Aalo.nl needs all CSS files to be minified and compressed as it can save up to 65.3 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (54%)

Requests Now

37

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of AALO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

aalo.nl

aalo.nl

345 ms

www.aalo.nl

www.aalo.nl

934 ms

modernizr-2.6.2-respond-1.1.0.min.js

modernizr-2.6.2-respond-1.1.0.min.js

179 ms

2096660693.js

2096660693.js

60 ms

responsive.css

responsive.css

274 ms

addthis_widget.js

addthis_widget.js

10 ms

jquery.min.js

jquery.min.js

332 ms

jquery-ui-1.10.3.min.js

jquery-ui-1.10.3.min.js

300 ms

jquery.details.js

jquery.details.js

185 ms

jquery.placeholder.js

jquery.placeholder.js

185 ms

script.js

script.js

299 ms

jquery.jcarousel.js

jquery.jcarousel.js

300 ms

jquery.validate.min.js

jquery.validate.min.js

299 ms

jquery.price_format.2.0.min.js

jquery.price_format.2.0.min.js

300 ms

jquery.sidr.min.js

jquery.sidr.min.js

374 ms

conversion.js

conversion.js

15 ms

ga.js

ga.js

101 ms

all.js

all.js

316 ms

logo.jpg

logo.jpg

264 ms

search.gif

search.gif

252 ms

telefoon.jpg

telefoon.jpg

263 ms

menu.png

menu.png

252 ms

menu_home.png

menu_home.png

254 ms

menu_border.gif

menu_border.gif

263 ms

Personal-trainer-aalo.jpg

Personal-trainer-aalo.jpg

885 ms

total-bodyshape-aalo.jpg

total-bodyshape-aalo.jpg

702 ms

BGN-gewichtsconsulent.png

BGN-gewichtsconsulent.png

520 ms

arrowL.png

arrowL.png

351 ms

arrowR.png

arrowR.png

351 ms

slider_nav.gif

slider_nav.gif

351 ms

AALO-NRTO-lid.png

AALO-NRTO-lid.png

441 ms

Logo-Asics.png

Logo-Asics.png

439 ms

__utm.gif

__utm.gif

47 ms

collect

collect

175 ms

134 ms

300lo.json

300lo.json

77 ms

sh.8e5f85691f9aaa082472a194.html

sh.8e5f85691f9aaa082472a194.html

41 ms

55 ms

ga-audiences

ga-audiences

27 ms

175 ms

xd_arbiter.php

xd_arbiter.php

212 ms

xd_arbiter.php

xd_arbiter.php

419 ms

Accessibility Review

aalo.nl accessibility score

81

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-hidden="true"] elements contain focusable descendents

High

[aria-*] attributes do not have valid values

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

aalo.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

aalo.nl SEO score

98

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

    NL

  • Encoding

    UTF-8

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

aalo.nl

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