Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

aircotechklimaat.nl

Airconditioning en Klimaatbeheersing Den Haag

Page Load Speed

5.4 sec in total

First Response

1.1 sec

Resources Loaded

4 sec

Page Rendered

238 ms

About Website

Click here to check amazing Aircotechklimaat content. Otherwise, check out these important facts you probably never knew about aircotechklimaat.nl

Van airconditioning tot volledige klimaatbeheersing in Den Haag en omstreken. Voor elk soort stille airco en airco service bent u bij ons aan het juiste adres

Visit aircotechklimaat.nl

Key Findings

We analyzed Aircotechklimaat.nl page load time and found that the first response time was 1.1 sec and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

aircotechklimaat.nl performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

24/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value260 ms

83/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value12.5 s

14/100

10%

Network Requests Diagram

www.aircotechklimaat.nl

1097 ms

0676F70802BD840BC12576AA0049E164.css

444 ms

jquery-1.6.1.min.js

582 ms

gui-core.js

171 ms

slides.jquery.js

415 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 81% of them (43 requests) were addressed to the original Aircotechklimaat.nl, 6% (3 requests) were made to Platform.twitter.com and 4% (2 requests) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Aircotechklimaat.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 162.2 kB (22%)

Content Size

744.8 kB

After Optimization

582.6 kB

In fact, the total size of Aircotechklimaat.nl main page is 744.8 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. 30% of websites need less resources to load. Images take 536.6 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 21.9 kB

  • Original 30.1 kB
  • After minification 29.7 kB
  • After compression 8.2 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 21.9 kB or 73% of the original size.

Image Optimization

-5%

Potential reduce by 25.2 kB

  • Original 536.6 kB
  • After minification 511.4 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. Aircotechklimaat images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 98.0 kB

  • Original 157.1 kB
  • After minification 145.0 kB
  • After compression 59.1 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 98.0 kB or 62% of the original size.

CSS Optimization

-81%

Potential reduce by 17.1 kB

  • Original 21.0 kB
  • After minification 18.2 kB
  • After compression 3.9 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. Aircotechklimaat.nl needs all CSS files to be minified and compressed as it can save up to 17.1 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (40%)

Requests Now

52

After Optimization

31

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Aircotechklimaat. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

aircotechklimaat.nl accessibility score

88

Accessibility Issues

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

aircotechklimaat.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

aircotechklimaat.nl SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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 Aircotechklimaat.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 Aircotechklimaat.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 Aircotechklimaat. 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: