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name

value

score

weighting

FCP (First Contentful Paint)

Value1.0 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value1.3 s

100/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.4 s

98/100

10%

buikdanseres.50megs.com

570 ms

as-1.0.1.min.js

194 ms

100X22.gif

142 ms

overlay.js

197 ms

set_homepage.js

132 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 15% of them (6 requests) were addressed to the original Buikdanseres.50megs.com, 73% (29 requests) were made to Muziek-duo.nl and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (917 ms) relates to the external source Muziek-duo.nl.

Content Size

316.9 kB

After Optimization

265.5 kB

In fact, the total size of Buikdanseres.50megs.com main page is 316.9 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. 20% of websites need less resources to load. Images take 241.8 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 25.9 kB

Original 30.3 kB
After minification 23.5 kB
After compression 4.4 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. This page needs HTML code to be minified as it can gain 6.8 kB, which is 22% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 25.9 kB or 85% of the original size.

Image Optimization

-3%

Potential reduce by 6.4 kB

Original 241.8 kB
After minification 235.4 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. Buikdanseres 50 Megs images are well optimized though.

JavaScript Optimization

-43%

Potential reduce by 19.2 kB

Original 44.8 kB
After minification 42.5 kB
After compression 25.6 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 19.2 kB or 43% of the original size.

Requests Now

After Optimization

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Buikdanseres 50 Megs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Search Engine Optimization Advices

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

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

Language and Encoding

Language Detected

NL
Language Claimed

N/A
Encoding

N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Buikdanseres.50megs.com 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 Buikdanseres.50megs.com main page’s claimed encoding is . 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 Buikdanseres 50 Megs. 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: