Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

bliksemdetectie.nl

Onweerradar, onweer in Nederland - Bliksemdetectie.nl

Page Load Speed

2.4 sec in total

First Response

532 ms

Resources Loaded

1.6 sec

Page Rendered

297 ms

bliksemdetectie.nl screenshot

About Website

Welcome to bliksemdetectie.nl homepage info - get ready to check Bliksemdetectie best content for Netherlands right away, or after learning these important things about bliksemdetectie.nl

Onweer in Nederland. Onweerradar, onweerverwachting, live stormchasing. Bliksemdetectie.nl is hét onweerplatform van Nederland. Op pc en mobiel.

Visit bliksemdetectie.nl

Key Findings

We analyzed Bliksemdetectie.nl page load time and found that the first response time was 532 ms and then it took 1.8 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. This domain responded with an error, which can significantly jeopardize Bliksemdetectie.nl rating and web reputation

Performance Metrics

bliksemdetectie.nl performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value10.0 s

0/100

25%

SI (Speed Index)

Value4.9 s

64/100

10%

TBT (Total Blocking Time)

Value780 ms

38/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

bliksemdetectie.nl

532 ms

jquery.min.js

67 ms

bootstrap.min.css

38 ms

bootstrap.min.js

39 ms

style.css

199 ms

Our browser made a total of 150 requests to load all elements on the main page. We found that 14% of them (21 requests) were addressed to the original Bliksemdetectie.nl, 27% (40 requests) were made to Server.arcgisonline.com and 27% (40 requests) were made to B.maps.nordicweather.net. The less responsive or slowest element that took the longest time to load (532 ms) belongs to the original domain Bliksemdetectie.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 751.4 kB (38%)

Content Size

2.0 MB

After Optimization

1.2 MB

In fact, the total size of Bliksemdetectie.nl main page is 2.0 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. 75% 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 960.9 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 73.9 kB

  • Original 91.0 kB
  • After minification 85.1 kB
  • After compression 17.1 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 73.9 kB or 81% of the original size.

Image Optimization

-7%

Potential reduce by 66.0 kB

  • Original 960.9 kB
  • After minification 894.9 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. Bliksemdetectie images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 472.2 kB

  • Original 771.5 kB
  • After minification 723.2 kB
  • After compression 299.2 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 472.2 kB or 61% of the original size.

CSS Optimization

-83%

Potential reduce by 139.3 kB

  • Original 167.4 kB
  • After minification 154.9 kB
  • After compression 28.1 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. Bliksemdetectie.nl needs all CSS files to be minified and compressed as it can save up to 139.3 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 40 (28%)

Requests Now

141

After Optimization

101

The browser has sent 141 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bliksemdetectie. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

bliksemdetectie.nl accessibility score

76

Accessibility Issues

ARIA

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.

Impact

Issue

High

button, link, and menuitem elements do not have accessible names.

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

bliksemdetectie.nl best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

bliksemdetectie.nl SEO score

97

Search Engine Optimization Advices

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 Bliksemdetectie.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 Bliksemdetectie.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

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