Access yello.de. Yello: Strom- & Gasanbieter mit Klimaschutz

Report Summary

About Website

Click here to check amazing Yello content for Germany. Otherwise, check out these important facts you probably never knew about yello.de

Sicher dir jetzt deinen Yello Mein Strom & Yello Mein Gas Tarif: ✅ Faire Preise ✅ Ganz flexibel ✅ Plus Klimaschutz.

Visit yello.de

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value9.3 s

13/100

10%

TBT (Total Blocking Time)

Value2,920 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.196

63/100

15%

TTI (Time to Interactive)

Value18.7 s

3/100

10%

yello.de

377 ms

www.yello.de

1904 ms

Styles.95b65d1adf4fe751fa09.css

1026 ms

Polyfills.4e93cf4e79888399c279.js

478 ms

runtime.4e93cf4e79888399c279.js

383 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 51% of them (37 requests) were addressed to the original Yello.de, 29% (21 requests) were made to Images.ctfassets.net and 7% (5 requests) were made to Youtube-nocookie.com. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Yello.de.

Content Size

1.6 MB

After Optimization

1.2 MB

In fact, the total size of Yello.de main page is 1.6 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. 80% 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. Javascripts take 914.3 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 298.1 kB

Original 383.2 kB
After minification 359.0 kB
After compression 85.1 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 298.1 kB or 78% of the original size.

Image Optimization

-2%

Potential reduce by 3.7 kB

Original 151.3 kB
After minification 147.6 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. Yello images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 109.1 kB

Original 914.3 kB
After minification 914.3 kB
After compression 805.2 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 109.1 kB or 12% of the original size.

CSS Optimization

-14%

Potential reduce by 20.9 kB

Original 150.5 kB
After minification 150.5 kB
After compression 129.6 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. Yello.de needs all CSS files to be minified and compressed as it can save up to 20.9 kB or 14% of the original size.

Requests Now

After Optimization

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yello. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

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/).

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 Yello.de 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 Yello.de 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

yello.de

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Yello: Strom- & Gasanbieter mit Klimaschutz | Yello

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)