Tools & Wizards About Us
shop.yellostrom.de screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

shop.yellostrom.de

Strom- oder Gastarif mit Wunschgerät | Yello

Page Load Speed

2.8 sec in total

First Response

436 ms

Resources Loaded

2.1 sec

Page Rendered

219 ms

shop.yellostrom.de screenshot

About Website

Visit shop.yellostrom.de now to see the best up-to-date Shop Yello Strom content for Germany and also check out these interesting facts you probably never knew about shop.yellostrom.de

Wähl dein Wunschgerät zum Strom- oder Gastarif von Yello ✓ Geringe Zuzahlung ✓ Klimafreundliche Lieferung ✓ Top Auswahl

Visit shop.yellostrom.de

Key Findings

We analyzed Shop.yellostrom.de page load time and found that the first response time was 436 ms and then it took 2.3 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

shop.yellostrom.de performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value11.8 s

0/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value4,530 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value14.0 s

10/100

10%

Network Requests Diagram

shop.yellostrom.de

436 ms

styles.min.9c3eee2e8e63f6a2.css

278 ms

base.min.854aeb072cc262ad.js

567 ms

3145110036.js

82 ms

6b875debad30852a27858640d0df20a4b65f9afe76ad6d4226796f82a26cbbef.js

433 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 64% of them (30 requests) were addressed to the original Shop.yellostrom.de, 9% (4 requests) were made to Google-analytics.com and 4% (2 requests) were made to Userlike-cdn-client.s3-eu-west-1.amazonaws.com. The less responsive or slowest element that took the longest time to load (996 ms) relates to the external source Widgets.trustedshops.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (64%)

Content Size

2.1 MB

After Optimization

772.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Shop.yellostrom.de main page is 2.1 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. 45% of websites need less resources to load. Javascripts take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 87.3 kB

  • Original 106.1 kB
  • After minification 98.8 kB
  • After compression 18.7 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 87.3 kB or 82% of the original size.

Image Optimization

-4%

Potential reduce by 12.1 kB

  • Original 343.0 kB
  • After minification 330.9 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. Shop Yello Strom images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 943.2 kB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 373.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 943.2 kB or 72% of the original size.

CSS Optimization

-86%

Potential reduce by 314.8 kB

  • Original 364.0 kB
  • After minification 363.6 kB
  • After compression 49.3 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. Shop.yellostrom.de needs all CSS files to be minified and compressed as it can save up to 314.8 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (25%)

Requests Now

44

After Optimization

33

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shop Yello Strom. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

shop.yellostrom.de

shop.yellostrom.de

436 ms

styles.min.9c3eee2e8e63f6a2.css

styles.min.9c3eee2e8e63f6a2.css

278 ms

base.min.854aeb072cc262ad.js

base.min.854aeb072cc262ad.js

567 ms

3145110036.js

3145110036.js

82 ms

6b875debad30852a27858640d0df20a4b65f9afe76ad6d4226796f82a26cbbef.js

6b875debad30852a27858640d0df20a4b65f9afe76ad6d4226796f82a26cbbef.js

433 ms

base-nonblocking.min.5314ce21de53a109.js

base-nonblocking.min.5314ce21de53a109.js

305 ms

conversion.js

conversion.js

49 ms

DINWeb.woff

DINWeb.woff

231 ms

DINWeb-Black.woff

DINWeb-Black.woff

195 ms

analytics.js

analytics.js

60 ms

yello-energiesparshop.png

yello-energiesparshop.png

182 ms

blank.gif

blank.gif

267 ms

Daumen_hoch.jpg

Daumen_hoch.jpg

358 ms

Strom-CheckApp.jpg

Strom-CheckApp.jpg

359 ms

umzug.jpg

umzug.jpg

270 ms

Yello_-_Reiten-250x-150px.jpg

Yello_-_Reiten-250x-150px.jpg

377 ms

icons-s1854de6dcd.png

icons-s1854de6dcd.png

406 ms

Brita-slider-rwd.jpg

Brita-slider-rwd.jpg

441 ms

gluehfaden-leds.jpg

gluehfaden-leds.jpg

344 ms

sicherheit-rauchmelder.jpg

sicherheit-rauchmelder.jpg

441 ms

013_Aktionsprodukt.jpg

013_Aktionsprodukt.jpg

631 ms

tarife-big3.png

tarife-big3.png

442 ms

ajax-loader-small.gif

ajax-loader-small.gif

451 ms

opc-ajax-loader.gif

opc-ajax-loader.gif

489 ms

payments-xsmall-sf9a30c605a.png

payments-xsmall-sf9a30c605a.png

497 ms

819 ms

userlike.min.js

userlike.min.js

371 ms

129 ms

X667EF7AF383B2E63025ED5AA62A252B1.js

X667EF7AF383B2E63025ED5AA62A252B1.js

996 ms

wt

wt

329 ms

ec.js

ec.js

11 ms

espresso_xl_weiss_1.jpg

espresso_xl_weiss_1.jpg

371 ms

emsa-fresh-herbs-kr_utertopf-weiss-4009049371153-1_3.jpg

emsa-fresh-herbs-kr_utertopf-weiss-4009049371153-1_3.jpg

400 ms

philips-led-lampe-a60-9w-e27-929001171731.jpg

philips-led-lampe-a60-9w-e27-929001171731.jpg

421 ms

osram-led-star-par16-50-36-gu10-led-spot-5-5w-warmweiss_2.jpg

osram-led-star-par16-50-36-gu10-led-spot-5-5w-warmweiss_2.jpg

448 ms

philips-led-lampe-a60-9w-e27-2er_1.jpg

philips-led-lampe-a60-9w-e27-2er_1.jpg

473 ms

osram-led-superstar-par16-50-36-advanced-gu10-5-3w-warmweiss_2.jpg

osram-led-superstar-par16-50-36-advanced-gu10-5-3w-warmweiss_2.jpg

498 ms

osram-led-star-mr16-35-36-gu5.3-led-spot-5-6w.jpg

osram-led-star-mr16-35-36-gu5.3-led-spot-5-6w.jpg

520 ms

philips-cp-led-lampe-a60-e27-9-5w-warmweiss_1.jpg

philips-cp-led-lampe-a60-e27-9-5w-warmweiss_1.jpg

538 ms

86 ms

collect

collect

22 ms

collect

collect

9 ms

collect

collect

59 ms

webfont.js

webfont.js

46 ms

userlikelib.min.js

userlikelib.min.js

192 ms

css

css

23 ms

312 ms

Accessibility Review

shop.yellostrom.de accessibility score

89

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

Links do not have a discernible name

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

shop.yellostrom.de 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

SEO Factors

shop.yellostrom.de 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 Shop.yellostrom.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 Shop.yellostrom.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

shop.yellostrom.de

Open Graph description is not detected on the main page of Shop Yello Strom. 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: