Tools & Wizards About Us
heluto.nl screenshot

Report Summary

  • 62

    Performance

    Renders faster than
    77% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

heluto.nl

De specialist voor een gezond binnenklimaat | Heluto B.V.

Page Load Speed

2.6 sec in total

First Response

571 ms

Resources Loaded

1.7 sec

Page Rendered

242 ms

heluto.nl screenshot

About Website

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

Heluto B.V. is dé specialist voor een fris en gezond binnenklimaat. Bezoek onze website en kijk wat wij voor u kunnen betekenen.

Visit heluto.nl

Key Findings

We analyzed Heluto.nl page load time and found that the first response time was 571 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

heluto.nl performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value6.2 s

44/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.041

99/100

15%

TTI (Time to Interactive)

Value5.6 s

69/100

10%

Network Requests Diagram

heluto.nl

571 ms

jquery-2.0.3.min.js

7 ms

jquery.fancybox.css

144 ms

jquery.fancybox.pack.js

265 ms

supersized.core.css

195 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that 94% of them (17 requests) were addressed to the original Heluto.nl, 6% (1 request) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (882 ms) belongs to the original domain Heluto.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 51.1 kB (12%)

Content Size

436.9 kB

After Optimization

385.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Heluto.nl main page is 436.9 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. 15% of websites need less resources to load. Images take 385.7 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 5.8 kB

  • Original 8.6 kB
  • After minification 8.4 kB
  • After compression 2.9 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 5.8 kB or 67% of the original size.

Image Optimization

-4%

Potential reduce by 15.9 kB

  • Original 385.7 kB
  • After minification 369.8 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. Heluto images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 17.4 kB

  • Original 27.2 kB
  • After minification 27.0 kB
  • After compression 9.7 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 17.4 kB or 64% of the original size.

CSS Optimization

-78%

Potential reduce by 12.0 kB

  • Original 15.4 kB
  • After minification 11.2 kB
  • After compression 3.4 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. Heluto.nl needs all CSS files to be minified and compressed as it can save up to 12.0 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (29%)

Requests Now

17

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Heluto. 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

heluto.nl

heluto.nl

571 ms

jquery-2.0.3.min.js

jquery-2.0.3.min.js

7 ms

jquery.fancybox.css

jquery.fancybox.css

144 ms

jquery.fancybox.pack.js

jquery.fancybox.pack.js

265 ms

supersized.core.css

supersized.core.css

195 ms

supersized.core.3.2.1.min.js

supersized.core.3.2.1.min.js

196 ms

style.css

style.css

184 ms

twitter.png

twitter.png

97 ms

facebook.png

facebook.png

104 ms

youtube.png

youtube.png

95 ms

linkedin.png

linkedin.png

96 ms

heluto_logo.png

heluto_logo.png

102 ms

IMG_5948.jpg

IMG_5948.jpg

195 ms

kgn_logo.png

kgn_logo.png

186 ms

kgn_background.png

kgn_background.png

183 ms

balloon_arrow.png

balloon_arrow.png

186 ms

supersized_default.jpg

supersized_default.jpg

882 ms

progress.gif

progress.gif

193 ms

Accessibility Review

heluto.nl accessibility score

87

Accessibility Issues

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

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

Best Practices

heluto.nl best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

heluto.nl SEO score

91

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

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

    N/A

  • Encoding

    UTF-8

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

heluto.nl

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