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ch.wetter.com screenshot

Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

ch.wetter.com

Wetter, Wettervorhersage & Wetterbericht | wetter.com

Page Load Speed

4.3 sec in total

First Response

13 ms

Resources Loaded

2.5 sec

Page Rendered

1.8 sec

ch.wetter.com screenshot

About Website

Welcome to ch.wetter.com homepage info - get ready to check Ch Wetter best content for Germany right away, or after learning these important things about ch.wetter.com

wetter.com ▶ Aktuelles Wetter & 16-Tages Wettervorhersage für Ihren Ort ▶ Mit Regenradar ✓ Wetterwarnungen ✓ Satellitenbildern ✓

Visit ch.wetter.com

Key Findings

We analyzed Ch.wetter.com page load time and found that the first response time was 13 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

ch.wetter.com performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

53/100

25%

SI (Speed Index)

Value3.4 s

89/100

10%

TBT (Total Blocking Time)

Value1,310 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value11.7 s

18/100

10%

Network Requests Diagram

ch.wetter.com

13 ms

ch.wetter.com

382 ms

fonts.min.css

74 ms

runtime.1e79db0d.js

74 ms

1.979d1565.js

75 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 8% of them (3 requests) were addressed to the original Ch.wetter.com, 81% (29 requests) were made to Cs3.wettercomassets.com and 6% (2 requests) were made to Static-radar.wettercomassets.com. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Static-radar.wettercomassets.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 683.0 kB (41%)

Content Size

1.7 MB

After Optimization

990.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ch.wetter.com main page is 1.7 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. 50% of websites need less resources to load. HTML takes 780.1 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 646.1 kB

  • Original 780.1 kB
  • After minification 715.0 kB
  • After compression 134.0 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 646.1 kB or 83% of the original size.

Image Optimization

-4%

Potential reduce by 25.1 kB

  • Original 579.5 kB
  • After minification 554.4 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. Ch Wetter images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 9.9 kB

  • Original 232.6 kB
  • After minification 232.6 kB
  • After compression 222.7 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

-2%

Potential reduce by 1.9 kB

  • Original 81.3 kB
  • After minification 81.3 kB
  • After compression 79.5 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. Ch.wetter.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 14 (52%)

Requests Now

27

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ch Wetter. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ch.wetter.com

ch.wetter.com

13 ms

ch.wetter.com

ch.wetter.com

382 ms

fonts.min.css

fonts.min.css

74 ms

runtime.1e79db0d.js

runtime.1e79db0d.js

74 ms

1.979d1565.js

1.979d1565.js

75 ms

0.e054cd89.js

0.e054cd89.js

78 ms

sparta-home.8863fa34.js

sparta-home.8863fa34.js

249 ms

icons.min.css

icons.min.css

80 ms

sparta-home.85f605da.css

sparta-home.85f605da.css

237 ms

sparta-home.85f605da.desk.css

sparta-home.85f605da.desk.css

309 ms

check.js

check.js

450 ms

5.9f32226e.js

5.9f32226e.js

80 ms

wcom-feature-experiments.490cce45.js

wcom-feature-experiments.490cce45.js

79 ms

fw-1.0.33237bd3.css

fw-1.0.33237bd3.css

80 ms

wcom-cmp.78509081.js

wcom-cmp.78509081.js

79 ms

cmp.min.css

cmp.min.css

80 ms

now.js

now.js

559 ms

mia.jpeg

mia.jpeg

629 ms

wetter_com_logo.svg

wetter_com_logo.svg

17 ms

ch_cityoverlay.png

ch_cityoverlay.png

278 ms

ch_warning.png

ch_warning.png

547 ms

d_default.svg

d_default.svg

203 ms

sustainability.webp

sustainability.webp

19 ms

logo.svg

logo.svg

20 ms

a.mia.gif

a.mia.gif

2002 ms

normal400.woff

normal400.woff

7 ms

normal300.woff

normal300.woff

179 ms

normal600.woff

normal600.woff

5 ms

icon.ttf

icon.ttf

223 ms

teaser_sprite_60.png

teaser_sprite_60.png

10 ms

teaser_sprite_40.png

teaser_sprite_40.png

31 ms

sustainability.webp

sustainability.webp

8 ms

print.css

print.css

72 ms

italic.woff

italic.woff

76 ms

der-wetter-com-wetterticker.json

der-wetter-com-wetterticker.json

145 ms

dunkel-himmel-unwettertief-gewitter-16tage.jpg

dunkel-himmel-unwettertief-gewitter-16tage.jpg

364 ms

Accessibility Review

ch.wetter.com accessibility score

90

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.

Best Practices

ch.wetter.com 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

High

Page has valid source maps

SEO Factors

ch.wetter.com SEO score

100

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

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 Ch.wetter.com 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 Ch.wetter.com 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

ch.wetter.com

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