Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 96

    SEO

    Google-friendlier than
    90% of websites

twinss.nl

VvE beheer uitbesteden aan Twinss - Experts in VvE beheer

Page Load Speed

3.4 sec in total

First Response

690 ms

Resources Loaded

2.4 sec

Page Rendered

336 ms

About Website

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

U wilt het VvE beheer uitbesteden aan een externe partner? Een betrouwbare VvE beheerder bij u in de buurt? Vraag Twinss VvE beheer om advies. Lees meer…

Visit twinss.nl

Key Findings

We analyzed Twinss.nl page load time and found that the first response time was 690 ms and then it took 2.7 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

twinss.nl performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

8/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value2,280 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value11.0 s

21/100

10%

Network Requests Diagram

www.twinss.nl

690 ms

gtm.js

74 ms

uc.js

48 ms

jquery.min.js

176 ms

jquery-migrate.min.js

266 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 63% of them (24 requests) were addressed to the original Twinss.nl, 8% (3 requests) were made to Googletagmanager.com and 8% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (690 ms) belongs to the original domain Twinss.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 304.2 kB (45%)

Content Size

682.6 kB

After Optimization

378.4 kB

In fact, the total size of Twinss.nl main page is 682.6 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. 50% of websites need less resources to load. Images take 288.7 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 183.1 kB

  • Original 227.9 kB
  • After minification 225.3 kB
  • After compression 44.8 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 183.1 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 1.3 kB

  • Original 288.7 kB
  • After minification 287.4 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. Twinss images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 119.8 kB

  • Original 166.1 kB
  • After minification 166.1 kB
  • After compression 46.2 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 119.8 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (41%)

Requests Now

32

After Optimization

19

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Twinss. 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 as a result speed up the page load time.

Accessibility Review

twinss.nl accessibility score

87

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

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

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

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

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

twinss.nl best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

twinss.nl SEO score

96

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 Twinss.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 Twinss.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 data is detected on the main page of Twinss. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: