Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

rockinrobotchallenge.eu

RoCKIn - Robot Competitions Kick Innovation in Cognitive Systems and Robotics

Page Load Speed

2.6 sec in total

First Response

406 ms

Resources Loaded

1.9 sec

Page Rendered

261 ms

rockinrobotchallenge.eu screenshot

About Website

Click here to check amazing RoCK In Robot Challenge content. Otherwise, check out these important facts you probably never knew about rockinrobotchallenge.eu

Robot Competitions Kick Innovation in Cognitive Systems and Robotics - RoCKIn - consists of two challenges: 1) domestic service robots RoCKIn@HOME; 2) innovative robot applications in industry RoCKIn@...

Visit rockinrobotchallenge.eu

Key Findings

We analyzed Rockinrobotchallenge.eu page load time and found that the first response time was 406 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 40% of websites can load faster.

Performance Metrics

rockinrobotchallenge.eu performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

8/100

25%

SI (Speed Index)

Value12.1 s

3/100

10%

TBT (Total Blocking Time)

Value520 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0.17

70/100

15%

TTI (Time to Interactive)

Value7.3 s

49/100

10%

Network Requests Diagram

rockinrobotchallenge.eu

406 ms

css

15 ms

style.css

134 ms

allinone_bannerRotator.css

264 ms

uni-form.css

262 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 85% of them (44 requests) were addressed to the original Rockinrobotchallenge.eu, 6% (3 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (784 ms) belongs to the original domain Rockinrobotchallenge.eu.

Page Optimization Overview & Recommendations

Page size can be reduced by 842.2 kB (35%)

Content Size

2.4 MB

After Optimization

1.6 MB

In fact, the total size of Rockinrobotchallenge.eu main page is 2.4 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. 55% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 21.5 kB

  • Original 27.5 kB
  • After minification 22.2 kB
  • After compression 6.0 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. This page needs HTML code to be minified as it can gain 5.2 kB, which is 19% 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 21.5 kB or 78% of the original size.

Image Optimization

-7%

Potential reduce by 101.2 kB

  • Original 1.4 MB
  • After minification 1.3 MB

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. RoCK In Robot Challenge images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 654.7 kB

  • Original 900.8 kB
  • After minification 757.6 kB
  • After compression 246.1 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 654.7 kB or 73% of the original size.

CSS Optimization

-84%

Potential reduce by 64.8 kB

  • Original 77.2 kB
  • After minification 57.8 kB
  • After compression 12.4 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. Rockinrobotchallenge.eu needs all CSS files to be minified and compressed as it can save up to 64.8 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (43%)

Requests Now

44

After Optimization

25

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RoCK In Robot Challenge. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

rockinrobotchallenge.eu accessibility score

68

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

rockinrobotchallenge.eu best practices score

58

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

rockinrobotchallenge.eu SEO score

58

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

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

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-15

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rockinrobotchallenge.eu can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Rockinrobotchallenge.eu main page’s claimed encoding is iso-8859-15. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of RoCK In Robot Challenge. 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: