Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

ionosphere.meteo.be

Ionosphere and Space Weather | Royal Meteorological Institute

Page Load Speed

1.2 sec in total

First Response

436 ms

Resources Loaded

694 ms

Page Rendered

102 ms

ionosphere.meteo.be screenshot

About Website

Visit ionosphere.meteo.be now to see the best up-to-date Ionosphere Meteo content for Belgium and also check out these interesting facts you probably never knew about ionosphere.meteo.be

Homepage of the RMI research team on ionosphere and space weather, including real-time geophysical data from Belgium.

Visit ionosphere.meteo.be

Key Findings

We analyzed Ionosphere.meteo.be page load time and found that the first response time was 436 ms and then it took 796 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

ionosphere.meteo.be performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.9 s

100/100

25%

SI (Speed Index)

Value1.1 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

Network Requests Diagram

ionosphere.meteo.be

436 ms

style.css

172 ms

logo_rmicolor.png

259 ms

STCElogo.png

184 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that all of those requests were addressed to Ionosphere.meteo.be and no external sources were called. The less responsive or slowest element that took the longest time to load (436 ms) belongs to the original domain Ionosphere.meteo.be.

Page Optimization Overview & Recommendations

Page size can be reduced by 10.9 kB (29%)

Content Size

37.1 kB

After Optimization

26.2 kB

In fact, the total size of Ionosphere.meteo.be main page is 37.1 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 27.9 kB which makes up the majority of the site volume.

HTML Optimization

-62%

Potential reduce by 3.6 kB

  • Original 5.9 kB
  • After minification 5.7 kB
  • After compression 2.2 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 3.6 kB or 62% of the original size.

Image Optimization

-17%

Potential reduce by 4.8 kB

  • Original 27.9 kB
  • After minification 23.1 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, Ionosphere Meteo needs image optimization as it can save up to 4.8 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-75%

Potential reduce by 2.5 kB

  • Original 3.3 kB
  • After minification 2.5 kB
  • After compression 822 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. Ionosphere.meteo.be needs all CSS files to be minified and compressed as it can save up to 2.5 kB or 75% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

3

After Optimization

3

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ionosphere Meteo. According to our analytics all requests are already optimized.

Accessibility Review

ionosphere.meteo.be 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

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

Best Practices

ionosphere.meteo.be 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

SEO Factors

ionosphere.meteo.be SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ionosphere.meteo.be can be misinterpreted by Google and other search engines. Our service has detected that English 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 Ionosphere.meteo.be 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 Ionosphere Meteo. 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: