Tools & Wizards About Us
ais-netherlands.nl screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    57% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

ais-netherlands.nl

AIS publications

Page Load Speed

2.1 sec in total

First Response

375 ms

Resources Loaded

1.6 sec

Page Rendered

136 ms

ais-netherlands.nl screenshot

About Website

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

This site will offer online access to flight plan filing and Dutch aeronautical information

Visit ais-netherlands.nl

Key Findings

We analyzed Ais-netherlands.nl page load time and found that the first response time was 375 ms and then it took 1.8 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

ais-netherlands.nl performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value800 ms

36/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value8.3 s

40/100

10%

Network Requests Diagram

ais-netherlands.nl

375 ms

sheet.css

193 ms

head.html

195 ms

menu1en.php

216 ms

footer.html

228 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that all of those requests were addressed to Ais-netherlands.nl and no external sources were called. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Ais-netherlands.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.3 kB (66%)

Content Size

3.5 kB

After Optimization

1.2 kB

  • HTML
  • CSS

In fact, the total size of Ais-netherlands.nl main page is 3.5 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 1.7 kB which makes up the majority of the site volume.

HTML Optimization

-57%

Potential reduce by 991 B

  • Original 1.7 kB
  • After minification 1.7 kB
  • After compression 756 B

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 991 B or 57% of the original size.

CSS Optimization

-76%

Potential reduce by 1.3 kB

  • Original 1.7 kB
  • After minification 1.3 kB
  • After compression 410 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. Ais-netherlands.nl needs all CSS files to be minified and compressed as it can save up to 1.3 kB or 76% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

15

After Optimization

15

  • AJAX
  • Images
  • CSS

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of AIS Netherlands. According to our analytics all requests are already optimized.

Network Requests Diagram

ais-netherlands.nl

ais-netherlands.nl

375 ms

sheet.css

sheet.css

193 ms

head.html

head.html

195 ms

menu1en.php

menu1en.php

216 ms

footer.html

footer.html

228 ms

en.php

en.php

239 ms

headerframe.gif

headerframe.gif

185 ms

head01en.gif

head01en.gif

327 ms

head02.gif

head02.gif

252 ms

bg01.gif

bg01.gif

244 ms

home3.gif

home3.gif

239 ms

aispub1.gif

aispub1.gif

252 ms

fpl-brf1.gif

fpl-brf1.gif

369 ms

en_flag.gif

en_flag.gif

398 ms

nl_flag.gif

nl_flag.gif

401 ms

atsnl_web.gif

atsnl_web.gif

1017 ms

Accessibility Review

ais-netherlands.nl accessibility score

96

Accessibility Issues

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

ais-netherlands.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

ais-netherlands.nl SEO score

86

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

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 Ais-netherlands.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 Ais-netherlands.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

ais-netherlands.nl

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