Tools & Wizards About Us
renson.be screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 56

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

renson.be

Renson: Pioneers in indoor climate for 110+ years | Renson

Page Load Speed

5.3 sec in total

First Response

347 ms

Resources Loaded

4.3 sec

Page Rendered

575 ms

renson.be screenshot

About Website

Welcome to renson.be homepage info - get ready to check Renson best content for Belgium right away, or after learning these important things about renson.be

Renson is innovative and has a worldwide network. Renson offers sun protection, patio covers and ventilation with an eye for design. Discover here.

Visit renson.be

Key Findings

We analyzed Renson.be page load time and found that the first response time was 347 ms and then it took 4.9 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

renson.be performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value12.2 s

0/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value2,100 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value16.8 s

5/100

10%

Network Requests Diagram

renson.be

347 ms

renson.be

387 ms

en-us

609 ms

gtm.js

106 ms

css

64 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 85% of them (70 requests) were addressed to the original Renson.be, 2% (2 requests) were made to Googletagmanager.com and 2% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Renson.be.

Page Optimization Overview & Recommendations

Page size can be reduced by 91.2 kB (7%)

Content Size

1.4 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Renson.be main page is 1.4 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 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 79.2 kB

  • Original 115.7 kB
  • After minification 109.3 kB
  • After compression 36.5 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 79.2 kB or 68% of the original size.

Image Optimization

-0%

Potential reduce by 357 B

  • Original 1.0 MB
  • After minification 1.0 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. Renson images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 11.7 kB

  • Original 273.4 kB
  • After minification 273.4 kB
  • After compression 261.7 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 40 (54%)

Requests Now

74

After Optimization

34

  • Images
  • JavaScript
  • CSS

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Renson. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

renson.be

renson.be

347 ms

renson.be

renson.be

387 ms

en-us

en-us

609 ms

gtm.js

gtm.js

106 ms

css

css

64 ms

icon

icon

80 ms

GetResource.ashx

GetResource.ashx

99 ms

GetResource.ashx

GetResource.ashx

213 ms

GetResource.ashx

GetResource.ashx

333 ms

GetResource.ashx

GetResource.ashx

1146 ms

font-awesome.min.css

font-awesome.min.css

74 ms

GetResource.ashx

GetResource.ashx

526 ms

GetResource.ashx

GetResource.ashx

755 ms

GetResource.ashx

GetResource.ashx

520 ms

WebResource.axd

WebResource.axd

488 ms

DealerSearchInput.js

DealerSearchInput.js

420 ms

GetResource.ashx

GetResource.ashx

508 ms

ScriptResource.axd

ScriptResource.axd

659 ms

ScriptResource.axd

ScriptResource.axd

737 ms

ai.2.min.js

ai.2.min.js

30 ms

js

js

55 ms

analytics.js

analytics.js

29 ms

uc.js

uc.js

131 ms

middle_east_icon.svg

middle_east_icon.svg

121 ms

renson-logo.png

renson-logo.png

122 ms

doekzonwering-voor-hoekramen.jpg

doekzonwering-voor-hoekramen.jpg

349 ms

doekzonwering-verticale-beglazing.jpg

doekzonwering-verticale-beglazing.jpg

339 ms

aluminium-buitenzonwering.jpg

aluminium-buitenzonwering.jpg

427 ms

schuifpanelen.jpg

schuifpanelen.jpg

348 ms

healthbox-3-0-installatiegemak.jpg

healthbox-3-0-installatiegemak.jpg

522 ms

raamverluchtingen.jpg

raamverluchtingen.jpg

366 ms

mechanische-ventilatie.jpg

mechanische-ventilatie.jpg

613 ms

diy-gamma.jpg

diy-gamma.jpg

769 ms

industriele-roosters.jpg

industriele-roosters.jpg

769 ms

lamellenwandsystemen.jpg

lamellenwandsystemen.jpg

542 ms

gevelbekleding-hero.jpg

gevelbekleding-hero.jpg

1008 ms

Linius_level1-3.jpg

Linius_level1-3.jpg

693 ms

Linarte_level1.jpg

Linarte_level1.jpg

639 ms

Startpagina

Startpagina

790 ms

Startpagina

Startpagina

964 ms

Startpagina

Startpagina

1049 ms

logo_113jaar_grijs_innovation.jpg

logo_113jaar_grijs_innovation.jpg

955 ms

tobania-to-top.png

tobania-to-top.png

904 ms

ping.js

ping.js

120 ms

us.svg

us.svg

896 ms

be.svg

be.svg

886 ms

nl.svg

nl.svg

942 ms

de.svg

de.svg

951 ms

fr.svg

fr.svg

975 ms

au.svg

au.svg

984 ms

gb.svg

gb.svg

991 ms

lu.svg

lu.svg

1038 ms

at.svg

at.svg

1032 ms

ch.svg

ch.svg

1035 ms

cz.svg

cz.svg

1061 ms

hu.svg

hu.svg

1071 ms

it.svg

it.svg

1075 ms

pl.svg

pl.svg

1119 ms

es.svg

es.svg

1122 ms

dk.svg

dk.svg

1144 ms

loader.js

loader.js

119 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

46 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

20 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1142 ms

no.svg

no.svg

940 ms

se.svg

se.svg

969 ms

ie.svg

ie.svg

971 ms

ca.svg

ca.svg

963 ms

ru.svg

ru.svg

927 ms

cn.svg

cn.svg

838 ms

Healthbox-3-0.jpg

Healthbox-3-0.jpg

873 ms

ventilatie.png

ventilatie.png

795 ms

zonwering.png

zonwering.png

859 ms

gevelbekleding.png

gevelbekleding.png

758 ms

outdoor.png

outdoor.png

699 ms

renson-verdelers.jpg

renson-verdelers.jpg

718 ms

healthy-residential.png

healthy-residential.png

708 ms

healthy-care.png

healthy-care.png

605 ms

healthy-school.png

healthy-school.png

596 ms

healthy-apartment.png

healthy-apartment.png

598 ms

portal_login_top_menu.png

portal_login_top_menu.png

585 ms

GetResource.ashx

GetResource.ashx

94 ms

Accessibility Review

renson.be accessibility score

56

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

[aria-*] attributes do not have valid values

High

[aria-*] attributes are not valid or misspelled

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

renson.be 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

High

Page has valid source maps

SEO Factors

renson.be 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

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

High

robots.txt is not valid

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 Renson.be 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 Renson.be 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

renson.be

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