Tools & Wizards About Us

Report Summary

  • 75

    Performance

    Renders faster than
    83% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 87

    SEO

    Google-friendlier than
    65% of websites

bliksemdetectie.nl

Onweerradar, onweer in Nederland - Bliksemdetectie.nl

Page Load Speed

2.4 sec in total

First Response

397 ms

Resources Loaded

1.3 sec

Page Rendered

656 ms

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 397 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 40% of websites can load faster.

Performance Metrics

bliksemdetectie.nl performance score

75

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

30/100

25%

SI (Speed Index)

Value3.6 s

87/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.096

91/100

15%

TTI (Time to Interactive)

Value3.2 s

94/100

10%

Network Requests Diagram

bliksemdetectie.nl

397 ms

bliksemdetectie.nl

471 ms

script.js

26 ms

app-CYoJUovy.css

92 ms

logo_bliksemdetectie.svg

60 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 9% of them (3 requests) were addressed to the original Bliksemdetectie.nl, 41% (13 requests) were made to Cg.bliksem-cdn.nl and 19% (6 requests) were made to I.ytimg.com. The less responsive or slowest element that took the longest time to load (471 ms) belongs to the original domain Bliksemdetectie.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 159.5 kB (7%)

Content Size

2.2 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bliksemdetectie.nl main page is 2.2 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. 35% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 61.3 kB

  • Original 70.7 kB
  • After minification 57.7 kB
  • After compression 9.4 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 13.0 kB, which is 18% 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 61.3 kB or 87% of the original size.

Image Optimization

-5%

Potential reduce by 98.1 kB

  • Original 2.1 MB
  • After minification 2.0 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. Bliksemdetectie images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 12 B

  • Original 1.8 kB
  • After minification 1.8 kB
  • After compression 1.8 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

-1%

Potential reduce by 89 B

  • Original 6.5 kB
  • After minification 6.5 kB
  • After compression 6.4 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. Bliksemdetectie.nl has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

30

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bliksemdetectie. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

bliksemdetectie.nl accessibility score

85

Accessibility Issues

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

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

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

bliksemdetectie.nl SEO score

87

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    NL

  • 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 it matches the claimed language. 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 data is detected on the main page of Bliksemdetectie. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: