Access deto.nl. DETO - Officiële website van DETO uit Vriezenveen

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value400 ms

67/100

30%

CLS (Cumulative Layout Shift)

Value0.174

69/100

15%

TTI (Time to Interactive)

Value8.3 s

40/100

10%

deto.nl

271 ms

www.deto.nl

1448 ms

css

39 ms

css

56 ms

global.css

91 ms

Our browser made a total of 111 requests to load all elements on the main page. We found that 90% of them (100 requests) were addressed to the original Deto.nl, 3% (3 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (4.7 sec) belongs to the original domain Deto.nl.

Content Size

24.3 MB

After Optimization

22.4 MB

In fact, the total size of Deto.nl main page is 24.3 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. 65% of websites need less resources to load. Images take 23.5 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 95.5 kB

Original 105.1 kB
After minification 81.8 kB
After compression 9.6 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. This page needs HTML code to be minified as it can gain 23.3 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 95.5 kB or 91% of the original size.

Image Optimization

-6%

Potential reduce by 1.5 MB

Original 23.5 MB
After minification 22.0 MB

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. DETO images are well optimized though.

JavaScript Optimization

-46%

Potential reduce by 282.9 kB

Original 608.6 kB
After minification 473.8 kB
After compression 325.7 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 282.9 kB or 46% of the original size.

CSS Optimization

-13%

Potential reduce by 5.8 kB

Original 45.0 kB
After minification 45.0 kB
After compression 39.2 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. Deto.nl needs all CSS files to be minified and compressed as it can save up to 5.8 kB or 13% of the original size.

Requests Now

104

After Optimization

The browser has sent 104 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DETO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 10 to 1 for CSS 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

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

High

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

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

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

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

NL
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Deto.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 Deto.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

deto.nl

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

Report Summary

Performance

Accessibility

Best Practices

SEO

DETO - Officiële website van DETO uit Vriezenveen

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

deto.nl

www.deto.nl

css

css

global.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

deto.nl

www.deto.nl

css

css

global.css

jquery.simplyscroll.css

css_styled_form.css

jquery.mmenu.css

bootstrap.css

jquery-confirm.min.css

jquery.js

jquery.mmenu.js

jquery.simplyscroll.js

jquery.mmenu.setup.js

jquery-confirm.min.js

global.js

dialog.js

input.js

jssor.slider.mini.js

jquery.fancybox.css

jquery.fancybox.pack.js

js

api.js

jquery.bxslider.js

jquery.bxslider.css

dot.png

logoNew.png

mobile_menu.png

deto_slider_2.jpg

deto_slider_10.jpg

deto_slider_13.JPG

deto_slider_14.jpg

deto_slider_15.jpg

deto_slider_25.jpg

deto_slider_30.JPG

deto_slider_32.jpg

deto_slider_45.jpg

deto_slider_46.JPG

deto_slider_47.JPG

deto_slider_52.jpg

deto_slider_55.jpeg

deto_slider_56.jpeg

DETO75JaarLogo.png