Tools & Wizards About Us
metradar.ch screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 74

    SEO

    Google-friendlier than
    31% of websites

metradar.ch

metradar - das aktuelle Wetter Schweiz und Mitteleuropa

Page Load Speed

2.4 sec in total

First Response

250 ms

Resources Loaded

2.1 sec

Page Rendered

89 ms

metradar.ch screenshot

About Website

Visit metradar.ch now to see the best up-to-date Metradar content for Germany and also check out these interesting facts you probably never knew about metradar.ch

Alles zum aktuellen Wetter auf dem Radarloop von metradar: Regen, Blitze, Hagel, und im Winter Schneefall und Vereisungsgefahr.

Visit metradar.ch

Key Findings

We analyzed Metradar.ch page load time and found that the first response time was 250 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

metradar.ch performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value16.9 s

0/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value2,060 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.098

90/100

15%

TTI (Time to Interactive)

Value21.4 s

1/100

10%

Network Requests Diagram

metradar.ch

250 ms

index.php

260 ms

font-awesome.min.css

36 ms

leaflet_1-6-0.css

539 ms

Control.FullScreen.css

190 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 48% of them (19 requests) were addressed to the original Metradar.ch, 45% (18 requests) were made to Meteoradar.ch and 5% (2 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Metradar.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 99.6 kB (18%)

Content Size

550.0 kB

After Optimization

450.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Metradar.ch main page is 550.0 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. 30% of websites need less resources to load. Javascripts take 236.6 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 46.0 kB

  • Original 57.5 kB
  • After minification 47.9 kB
  • After compression 11.5 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 9.7 kB, which is 17% 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 46.0 kB or 80% of the original size.

Image Optimization

-5%

Potential reduce by 9.5 kB

  • Original 201.6 kB
  • After minification 192.2 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. Metradar images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 18 B

  • Original 236.6 kB
  • After minification 236.6 kB
  • After compression 236.6 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

-81%

Potential reduce by 44.1 kB

  • Original 54.2 kB
  • After minification 47.2 kB
  • After compression 10.1 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. Metradar.ch needs all CSS files to be minified and compressed as it can save up to 44.1 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (71%)

Requests Now

38

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Metradar. 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 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

metradar.ch

metradar.ch

250 ms

index.php

index.php

260 ms

font-awesome.min.css

font-awesome.min.css

36 ms

leaflet_1-6-0.css

leaflet_1-6-0.css

539 ms

Control.FullScreen.css

Control.FullScreen.css

190 ms

w3_meteoradar.css

w3_meteoradar.css

544 ms

leaflet_1-6-0.js

leaflet_1-6-0.js

737 ms

leaflet-tilelayer-colorfilter.min.js

leaflet-tilelayer-colorfilter.min.js

457 ms

leafwgs84_ch.js

leafwgs84_ch.js

461 ms

leafFullScreen.js

leafFullScreen.js

465 ms

adsbygoogle.js

adsbygoogle.js

117 ms

gdata.js

gdata.js

284 ms

leafrandch.js

leafrandch.js

759 ms

blitzar000.js

blitzar000.js

283 ms

blitzar001.js

blitzar001.js

287 ms

blitzar002.js

blitzar002.js

288 ms

blitzar003.js

blitzar003.js

289 ms

blitzar004.js

blitzar004.js

288 ms

blitzar005.js

blitzar005.js

376 ms

blitzar006.js

blitzar006.js

377 ms

profile.js

profile.js

381 ms

grounddatap.js

grounddatap.js

476 ms

gcamdata.js

gcamdata.js

571 ms

gmotion.js

gmotion.js

666 ms

wiewirds.js

wiewirds.js

1037 ms

leafblitz.js

leafblitz.js

647 ms

leafboden.js

leafboden.js

557 ms

leafwebcams.js

leafwebcams.js

629 ms

leafimg.js

leafimg.js

634 ms

cookie_management.js

cookie_management.js

651 ms

index.php

index.php

549 ms

mr_grau_78.png

mr_grau_78.png

409 ms

logo_2008_blau.jpg

logo_2008_blau.jpg

95 ms

meteotest-banner-radar.jpg

meteotest-banner-radar.jpg

97 ms

unbestimmt_leicht.gif

unbestimmt_leicht.gif

96 ms

unbestimmt_maessig.gif

unbestimmt_maessig.gif

97 ms

hagel_hand_mini.jpg

hagel_hand_mini.jpg

97 ms

info.jpg

info.jpg

97 ms

show_ads_impl.js

show_ads_impl.js

329 ms

tacho_fast.png

tacho_fast.png

96 ms

Accessibility Review

metradar.ch accessibility score

72

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

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

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

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

Best Practices

metradar.ch best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Requests the geolocation permission on page load

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

metradar.ch SEO score

74

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

High

robots.txt is not valid

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

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

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

metradar.ch

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