Report Summary

  • 36

    Performance

    Renders faster than
    56% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

aif.nl

Home - Amsterdam Institute of Finance - Financial Training Amsterdam Institute of Finance – Financial Training

Page Load Speed

3.1 sec in total

First Response

347 ms

Resources Loaded

2.6 sec

Page Rendered

185 ms

aif.nl screenshot

About Website

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

The Amsterdam Institute of Finance (AIF) is a global learning & development institute for finance professionals, located in the centre of Amsterdam - AIF.nl

Visit aif.nl

Key Findings

We analyzed Aif.nl page load time and found that the first response time was 347 ms and then it took 2.8 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

aif.nl performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value11.3 s

0/100

25%

SI (Speed Index)

Value5.4 s

56/100

10%

TBT (Total Blocking Time)

Value1,090 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

Network Requests Diagram

aif.nl

347 ms

www.aif.nl

583 ms

jquery-ui-1.8.7.custom.css

271 ms

backoffice.css

232 ms

site.css

410 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 84% of them (52 requests) were addressed to the original Aif.nl, 3% (2 requests) were made to Google-analytics.com and 3% (2 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (956 ms) belongs to the original domain Aif.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 710.0 kB (70%)

Content Size

1.0 MB

After Optimization

297.2 kB

In fact, the total size of Aif.nl main page is 1.0 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. 45% of websites need less resources to load. Javascripts take 627.9 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 12.9 kB

  • Original 17.1 kB
  • After minification 15.5 kB
  • After compression 4.1 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 12.9 kB or 76% of the original size.

Image Optimization

-18%

Potential reduce by 7.8 kB

  • Original 43.2 kB
  • After minification 35.4 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. Obviously, Aif needs image optimization as it can save up to 7.8 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 422.3 kB

  • Original 627.9 kB
  • After minification 616.3 kB
  • After compression 205.6 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 422.3 kB or 67% of the original size.

CSS Optimization

-84%

Potential reduce by 267.0 kB

  • Original 319.1 kB
  • After minification 300.2 kB
  • After compression 52.1 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. Aif.nl needs all CSS files to be minified and compressed as it can save up to 267.0 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (51%)

Requests Now

55

After Optimization

27

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Aif. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

aif.nl accessibility score

72

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 input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

ARIA IDs are not unique

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

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

aif.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

aif.nl SEO score

79

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    EN

  • 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 Aif.nl can be misinterpreted by Google and other search engines. Our service has detected that English 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 Aif.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 Aif. 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: