Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

aquasphereshop.nl

Totally Scuba | Complete service voor duikers

Page Load Speed

4.9 sec in total

First Response

1.1 sec

Resources Loaded

3.4 sec

Page Rendered

422 ms

About Website

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

Alles over duiken onder één dak. Onderhoud en verkoop. Groot in service en snelheid. Altijd advies op maat. Voor de professionele en de recreatieve duiker.

Visit aquasphereshop.nl

Key Findings

We analyzed Aquasphereshop.nl page load time and found that the first response time was 1.1 sec and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

aquasphereshop.nl performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value12.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value15.5 s

0/100

25%

SI (Speed Index)

Value16.3 s

0/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0.093

91/100

15%

TTI (Time to Interactive)

Value16.0 s

6/100

10%

Network Requests Diagram

aquasphereshop.nl

1056 ms

global.css

190 ms

tools.js

181 ms

jquery-1.2.6.pack.js

328 ms

jquery.easing.1.3.js

219 ms

Our browser made a total of 109 requests to load all elements on the main page. We found that 80% of them (87 requests) were addressed to the original Aquasphereshop.nl, 9% (10 requests) were made to Static.xx.fbcdn.net and 4% (4 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Aquasphereshop.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 282.2 kB (30%)

Content Size

947.9 kB

After Optimization

665.6 kB

In fact, the total size of Aquasphereshop.nl main page is 947.9 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. 35% of websites need less resources to load. Images take 639.8 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 48.7 kB

  • Original 61.2 kB
  • After minification 55.4 kB
  • After compression 12.5 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 48.7 kB or 80% of the original size.

Image Optimization

-10%

Potential reduce by 61.3 kB

  • Original 639.8 kB
  • After minification 578.5 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. Aquasphereshop images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 113.7 kB

  • Original 178.7 kB
  • After minification 159.7 kB
  • After compression 65.0 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 113.7 kB or 64% of the original size.

CSS Optimization

-86%

Potential reduce by 58.5 kB

  • Original 68.1 kB
  • After minification 50.9 kB
  • After compression 9.6 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. Aquasphereshop.nl needs all CSS files to be minified and compressed as it can save up to 58.5 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (39%)

Requests Now

108

After Optimization

66

The browser has sent 108 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Aquasphereshop. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

aquasphereshop.nl accessibility score

91

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

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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

aquasphereshop.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

aquasphereshop.nl SEO score

100

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

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 Aquasphereshop.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 Aquasphereshop.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

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