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ut.nl screenshot

Report Summary

  • 94

    Performance

    Renders faster than
    93% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

ut.nl

Welkom bij United Technology - United Technology is een gespecialiseerde divisie van een Internationale Holding die zich heeft toegelegd op het gebied...

Page Load Speed

1.4 sec in total

First Response

191 ms

Resources Loaded

1 sec

Page Rendered

166 ms

ut.nl screenshot

About Website

Welcome to ut.nl homepage info - get ready to check Ut best content right away, or after learning these important things about ut.nl

United Technology � is een gespecialiseerde divisie van een Internationale Holding die zich heeft toegelegd op het gebied van modificatie van natuurlijke, milieuvriendelijke grondstoffen resp. miner...

Visit ut.nl

Key Findings

We analyzed Ut.nl page load time and found that the first response time was 191 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

ut.nl performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

79/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

87/100

25%

SI (Speed Index)

Value2.4 s

98/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.6 s

98/100

10%

Network Requests Diagram

ut.nl

191 ms

ut.nl

461 ms

style.css

95 ms

logogroot1.png

186 ms

engelse_vlag1.gif

261 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 79% of them (15 requests) were addressed to the original Ut.nl, 11% (2 requests) were made to Ssl.google-analytics.com and 11% (2 requests) were made to C.statcounter.com. The less responsive or slowest element that took the longest time to load (461 ms) belongs to the original domain Ut.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 26.3 kB (24%)

Content Size

110.6 kB

After Optimization

84.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ut.nl main page is 110.6 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. Only 10% of websites need less resources to load. Images take 70.4 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 15.8 kB

  • Original 19.4 kB
  • After minification 16.1 kB
  • After compression 3.6 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 3.3 kB, which is 17% 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 15.8 kB or 81% of the original size.

Image Optimization

-11%

Potential reduce by 7.7 kB

  • Original 70.4 kB
  • After minification 62.7 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. Obviously, Ut needs image optimization as it can save up to 7.7 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-78%

Potential reduce by 2.8 kB

  • Original 3.6 kB
  • After minification 3.0 kB
  • After compression 806 B

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. Ut.nl needs all CSS files to be minified and compressed as it can save up to 2.8 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (44%)

Requests Now

16

After Optimization

9

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ut. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

ut.nl

ut.nl

191 ms

ut.nl

ut.nl

461 ms

style.css

style.css

95 ms

logogroot1.png

logogroot1.png

186 ms

engelse_vlag1.gif

engelse_vlag1.gif

261 ms

ma.jpg

ma.jpg

262 ms

spacer.gif

spacer.gif

269 ms

p1.jpg

p1.jpg

357 ms

m-bullet.gif

m-bullet.gif

269 ms

m-sep.gif

m-sep.gif

277 ms

ga.js

ga.js

25 ms

17 ms

base-bg.jpg

base-bg.jpg

256 ms

logo-bg.gif

logo-bg.gif

257 ms

cn_bg.html

cn_bg.html

267 ms

menu-bg.gif

menu-bg.gif

266 ms

btn_bg.html

btn_bg.html

274 ms

110 ms

__utm.gif

__utm.gif

13 ms

Accessibility Review

ut.nl accessibility score

61

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

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

Impact

Issue

High

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

ut.nl best practices score

58

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

General

Impact

Issue

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

ut.nl SEO score

67

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

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ut.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 Ut.nl main page’s claimed encoding is iso-8859-1. 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

ut.nl

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