Access nivon.nl. Nivon | Nivon Natuurvrienden

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value33.3 s

0/100

25%

SI (Speed Index)

Value7.4 s

27/100

10%

TBT (Total Blocking Time)

Value780 ms

37/100

30%

CLS (Cumulative Layout Shift)

Value0.075

95/100

15%

TTI (Time to Interactive)

Value14.7 s

8/100

10%

nivon.nl

2490 ms

wp-emoji-release.min.js

269 ms

bbpress-mod.css

274 ms

uaf.css

185 ms

grid.css

185 ms

Our browser made a total of 97 requests to load all elements on the main page. We found that 86% of them (83 requests) were addressed to the original Nivon.nl, 3% (3 requests) were made to S.ytimg.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Nivon.nl.

Content Size

6.1 MB

After Optimization

4.5 MB

In fact, the total size of Nivon.nl main page is 6.1 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 4.3 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 117.7 kB

Original 137.7 kB
After minification 135.5 kB
After compression 20.0 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 117.7 kB or 85% of the original size.

Image Optimization

-4%

Potential reduce by 150.8 kB

Original 4.3 MB
After minification 4.1 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. Nivon images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 434.3 kB

Original 672.4 kB
After minification 667.1 kB
After compression 238.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 434.3 kB or 65% of the original size.

CSS Optimization

-85%

Potential reduce by 863.0 kB

Original 1.0 MB
After minification 919.5 kB
After compression 155.9 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. Nivon.nl needs all CSS files to be minified and compressed as it can save up to 863.0 kB or 85% of the original size.

Requests Now

After Optimization

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nivon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 27 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-*] attributes do not match their roles

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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 keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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 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

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

Language and Encoding

Language Detected

NL
Language Claimed

NL
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nivon.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it matches the claimed language. Our system also found out that Nivon.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

nivon.nl

Open Graph data is detected on the main page of Nivon. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

Nivon | Nivon Natuurvrienden

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

nivon.nl

wp-emoji-release.min.js

bbpress-mod.css

uaf.css

grid.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

nivon.nl

wp-emoji-release.min.js

bbpress-mod.css

uaf.css

grid.css

base.css

layout.css

shortcodes.css

magnific-popup.css

mediaelementplayer.css

nivon_hoofdsite.css

custom.css

style.css

gravity-mod.css

css

eventon_styles.css

font-awesome.css

layerslider.css

ubermenu.min.css

font-awesome.min.css

jquery.js

jquery-migrate.min.js

avia-compat.js

greensock.js

layerslider.kreaturamedia.jquery.js

layerslider.transitions.js

eventon_dynamic_styles.css

formreset.min.css

formsmain.min.css

readyclass.min.css

browsers.min.css

editor.js

avia.js

shortcodes.js

jquery.magnific-popup.min.js

mediaelement-and-player.min.js

wp-mediaelement.js

comment-reply.min.js

js

ubermenu.min.js

wp-embed.min.js

jquery.json.js

gravityforms.min.js