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ruvu.nl screenshot

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

ruvu.nl

Home - RUVU - Experts in Mobile Robots RUVU – Experts in Mobile Robots

Page Load Speed

4.7 sec in total

First Response

371 ms

Resources Loaded

3.5 sec

Page Rendered

890 ms

ruvu.nl screenshot

About Website

Click here to check amazing RUVU content. Otherwise, check out these important facts you probably never knew about ruvu.nl

RUVU Robotics helps equipment engineers to build autonomous mobile robots, offering software and expertise. RUVU provides the behavior of your mobile robot.

Visit ruvu.nl

Key Findings

We analyzed Ruvu.nl page load time and found that the first response time was 371 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

ruvu.nl performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value10.3 s

0/100

25%

SI (Speed Index)

Value10.6 s

7/100

10%

TBT (Total Blocking Time)

Value1,690 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.381

27/100

15%

TTI (Time to Interactive)

Value14.1 s

10/100

10%

Network Requests Diagram

ruvu.nl

371 ms

ruvu.nl

1061 ms

style.css

91 ms

js

64 ms

style.min.css

177 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 83% of them (59 requests) were addressed to the original Ruvu.nl, 6% (4 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Ruvu.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 343.3 kB (15%)

Content Size

2.3 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ruvu.nl main page is 2.3 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. 65% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 141.1 kB

  • Original 170.9 kB
  • After minification 165.1 kB
  • After compression 29.7 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 141.1 kB or 83% of the original size.

Image Optimization

-5%

Potential reduce by 58.3 kB

  • Original 1.2 MB
  • After minification 1.1 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. RUVU images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 114.7 kB

  • Original 806.7 kB
  • After minification 806.7 kB
  • After compression 692.0 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 114.7 kB or 14% of the original size.

CSS Optimization

-21%

Potential reduce by 29.2 kB

  • Original 136.0 kB
  • After minification 135.9 kB
  • After compression 106.8 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. Ruvu.nl needs all CSS files to be minified and compressed as it can save up to 29.2 kB or 21% of the original size.

Requests Breakdown

Number of requests can be reduced by 44 (71%)

Requests Now

62

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RUVU. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 26 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ruvu.nl

ruvu.nl

371 ms

ruvu.nl

ruvu.nl

1061 ms

style.css

style.css

91 ms

js

js

64 ms

style.min.css

style.min.css

177 ms

animate.min.css

animate.min.css

262 ms

style.css

style.css

262 ms

blocks.style.css

blocks.style.css

354 ms

styles.css

styles.css

266 ms

frontend.min.css

frontend.min.css

265 ms

mediaelementplayer-legacy.min.css

mediaelementplayer-legacy.min.css

266 ms

wp-mediaelement.min.css

wp-mediaelement.min.css

352 ms

font-awesome.css

font-awesome.css

350 ms

grid.css

grid.css

369 ms

dynamic-css.php

dynamic-css.php

363 ms

row.style.build.css

row.style.build.css

447 ms

btn.style.build.css

btn.style.build.css

443 ms

infobox.style.build.css

infobox.style.build.css

447 ms

accordion.style.build.css

accordion.style.build.css

457 ms

jquery.min.js

jquery.min.js

456 ms

font-awesome.min.css

font-awesome.min.css

465 ms

common.css

common.css

530 ms

remodal.css

remodal.css

533 ms

remodal-default-theme.css

remodal-default-theme.css

534 ms

jquery.dataTables.min.css

jquery.dataTables.min.css

544 ms

default.css

default.css

545 ms

dashicons.min.css

dashicons.min.css

641 ms

editor.min.css

editor.min.css

620 ms

wp-polyfill.min.js

wp-polyfill.min.js

711 ms

i18n.min.js

i18n.min.js

627 ms

lodash.min.js

lodash.min.js

638 ms

url.min.js

url.min.js

635 ms

hooks.min.js

hooks.min.js

712 ms

api-fetch.min.js

api-fetch.min.js

717 ms

api.js

api.js

43 ms

js

js

79 ms

autoptimize_0ea7b22fa947620afb07920624ddc401.js

autoptimize_0ea7b22fa947620afb07920624ddc401.js

1514 ms

style.css

style.css

666 ms

css

css

25 ms

js

js

312 ms

analytics.js

analytics.js

304 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

401 ms

RUVU-Header-1.png

RUVU-Header-1.png

378 ms

small.jpg

small.jpg

306 ms

vlcsnap-2019-08-05-13h02m48s872.jpg

vlcsnap-2019-08-05-13h02m48s872.jpg

460 ms

icons8-source-code-500-orange-1-150x150.png

icons8-source-code-500-orange-1-150x150.png

210 ms

sergio_library.jpg

sergio_library.jpg

384 ms

icons8-web-analytics-500-orange-150x150.png

icons8-web-analytics-500-orange-150x150.png

308 ms

exr1_1920x1080.jpg

exr1_1920x1080.jpg

865 ms

icons8-light-500_orange-150x150.png

icons8-light-500_orange-150x150.png

563 ms

packman.jpg

packman.jpg

472 ms

teach_and_repeat_400x400.jpg

teach_and_repeat_400x400.jpg

481 ms

simulator_scaled.png

simulator_scaled.png

557 ms

exr1_400x400_compressed.jpg

exr1_400x400_compressed.jpg

569 ms

bg-dot.svg

bg-dot.svg

572 ms

select-arrow.svg

select-arrow.svg

574 ms

icons8-windmill-500-light-gray-150x150.png

icons8-windmill-500-light-gray-150x150.png

649 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

144 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

187 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

190 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

189 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

790 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

606 ms

gravitydotted.woff

gravitydotted.woff

591 ms

wp-polyfill-fetch.min.js

wp-polyfill-fetch.min.js

572 ms

wp-polyfill-dom-rect.min.js

wp-polyfill-dom-rect.min.js

637 ms

wp-polyfill-url.min.js

wp-polyfill-url.min.js

651 ms

wp-polyfill-formdata.min.js

wp-polyfill-formdata.min.js

662 ms

wp-polyfill-element-closest.min.js

wp-polyfill-element-closest.min.js

663 ms

collect

collect

57 ms

recaptcha__en.js

recaptcha__en.js

124 ms

Accessibility Review

ruvu.nl accessibility score

86

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

button, link, and menuitem elements do not have accessible names.

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

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

ruvu.nl best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

ruvu.nl SEO score

75

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ruvu.nl can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Ruvu.nl 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

ruvu.nl

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