Report Summary

  • 52

    Performance

    Renders faster than
    70% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

alternatiefkostuum.nl

Alternatief Kostuum Amsterdam | MakeOver Factory for Partypeople and Stylingstock for stylists

Page Load Speed

44.1 sec in total

First Response

798 ms

Resources Loaded

36.1 sec

Page Rendered

7.1 sec

alternatiefkostuum.nl screenshot

About Website

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

Alternatief Kostuum in Amsterdam voor verhuur van kostuum en kleding, naast kledingverhuur ook styling voor film, theater en evenementen met een eigen afdeling voor kostuumontwerp en kostuumatelier

Visit alternatiefkostuum.nl

Key Findings

We analyzed Alternatiefkostuum.nl page load time and found that the first response time was 798 ms and then it took 43.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

alternatiefkostuum.nl performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

73/100

25%

SI (Speed Index)

Value3.9 s

83/100

10%

TBT (Total Blocking Time)

Value9,030 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value14.3 s

9/100

10%

Network Requests Diagram

alternatiefkostuum.nl

798 ms

alternatief.css

1048 ms

alternatief.css

187 ms

addthis_widget.js

185 ms

counter.js

20006 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 44% of them (20 requests) were addressed to the original Alternatiefkostuum.nl, 16% (7 requests) were made to S7.addthis.com and 7% (3 requests) were made to Docs.google.com. The less responsive or slowest element that took the longest time to load (20 sec) relates to the external source Sm8.sitemeter.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (55%)

Content Size

1.9 MB

After Optimization

854.5 kB

In fact, the total size of Alternatiefkostuum.nl main page is 1.9 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. 60% of websites need less resources to load. Javascripts take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 147.4 kB

  • Original 185.0 kB
  • After minification 177.7 kB
  • After compression 37.6 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 147.4 kB or 80% of the original size.

Image Optimization

-4%

Potential reduce by 18.0 kB

  • Original 490.9 kB
  • After minification 472.9 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. Alternatief Kostuum images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 795.5 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 328.9 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 795.5 kB or 71% of the original size.

CSS Optimization

-83%

Potential reduce by 75.7 kB

  • Original 90.8 kB
  • After minification 84.6 kB
  • After compression 15.1 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. Alternatiefkostuum.nl needs all CSS files to be minified and compressed as it can save up to 75.7 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (33%)

Requests Now

40

After Optimization

27

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alternatief Kostuum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

alternatiefkostuum.nl accessibility score

54

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

alternatiefkostuum.nl best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

alternatiefkostuum.nl SEO score

62

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Alternatiefkostuum.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it does not match the claimed English language. Our system also found out that Alternatiefkostuum.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 Alternatief Kostuum. 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: