Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

roombashop.ch

Roomba - Der Roboter-Staubsauger - Roomba 980, Roomba 960, Roomba 886, Roomba 866, Roomba 800, Braava 390 T, iRobot, Scooba, Aerovac Bin, Roombazubehö...

Page Load Speed

4.8 sec in total

First Response

327 ms

Resources Loaded

4.3 sec

Page Rendered

238 ms

roombashop.ch screenshot

About Website

Visit roombashop.ch now to see the best up-to-date Roomba Shop content and also check out these interesting facts you probably never knew about roombashop.ch

Die neue Roomba Generation Roomba 900 (980, 960) mit 5x leistungsfähigerer Saugkraft, Roomba 800 (886, 876, 866) Roomba 700 (776), Roomba 600 (651, 621, 615), iRobot Braava (390T) Bodenwischroboter, i...

Visit roombashop.ch

Key Findings

We analyzed Roombashop.ch page load time and found that the first response time was 327 ms and then it took 4.5 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

roombashop.ch performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value8.6 s

1/100

25%

SI (Speed Index)

Value13.4 s

2/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.269

45/100

15%

TTI (Time to Interactive)

Value14.9 s

8/100

10%

Network Requests Diagram

roombashop.ch

327 ms

roombashop.ch

638 ms

www.roombashop.ch

827 ms

308 ms

5419ca9449e1ae447a17b0d1bd5c55ef.30.css

110 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 94% of them (66 requests) were addressed to the original Roombashop.ch, 1% (1 request) were made to Googletagmanager.com and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Roombashop.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 195.2 kB (20%)

Content Size

970.3 kB

After Optimization

775.1 kB

In fact, the total size of Roombashop.ch main page is 970.3 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. 40% of websites need less resources to load. Javascripts take 473.6 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 42.0 kB

  • Original 53.9 kB
  • After minification 47.7 kB
  • After compression 11.9 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 6.2 kB, which is 11% 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 42.0 kB or 78% of the original size.

Image Optimization

-7%

Potential reduce by 23.6 kB

  • Original 321.0 kB
  • After minification 297.4 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. Roomba Shop images are well optimized though.

JavaScript Optimization

-19%

Potential reduce by 89.7 kB

  • Original 473.6 kB
  • After minification 473.5 kB
  • After compression 383.9 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 89.7 kB or 19% of the original size.

CSS Optimization

-33%

Potential reduce by 39.9 kB

  • Original 121.8 kB
  • After minification 121.5 kB
  • After compression 81.9 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. Roombashop.ch needs all CSS files to be minified and compressed as it can save up to 39.9 kB or 33% of the original size.

Requests Breakdown

Number of requests can be reduced by 45 (68%)

Requests Now

66

After Optimization

21

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Roomba Shop. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

roombashop.ch accessibility score

73

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.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

roombashop.ch best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

roombashop.ch SEO score

69

Search Engine Optimization Advices

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

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 Roombashop.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 Roombashop.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

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