Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

reddata.nl

Red Data geeft betekenis aan complexe data door ze inzichtelijk te maken.

Page Load Speed

4.4 sec in total

First Response

286 ms

Resources Loaded

3.2 sec

Page Rendered

908 ms

About Website

Click here to check amazing Red Data content. Otherwise, check out these important facts you probably never knew about reddata.nl

Red Data geeft complexe data betekenis door ze inzichtelijk te maken. Wij ontwerpen, bouwen en beheren data intensieve systemen. Thuis of in het veld.

Visit reddata.nl

Key Findings

We analyzed Reddata.nl page load time and found that the first response time was 286 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

reddata.nl performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

3/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value1,660 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value17.7 s

4/100

10%

Network Requests Diagram

reddata.nl

286 ms

reddata.nl

891 ms

style.min.css

171 ms

styles.css

253 ms

frontend.min.css

259 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 92% of them (86 requests) were addressed to the original Reddata.nl, 2% (2 requests) were made to Fonts.gstatic.com and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Reddata.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 272.7 kB (5%)

Content Size

6.0 MB

After Optimization

5.7 MB

In fact, the total size of Reddata.nl main page is 6.0 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 5.3 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 85.2 kB

  • Original 101.3 kB
  • After minification 86.0 kB
  • After compression 16.1 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 15.3 kB, which is 15% 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 85.2 kB or 84% of the original size.

Image Optimization

-3%

Potential reduce by 165.0 kB

  • Original 5.3 MB
  • After minification 5.2 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. Red Data images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.7 kB

  • Original 449.5 kB
  • After minification 449.5 kB
  • After compression 446.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-20%

Potential reduce by 19.8 kB

  • Original 97.4 kB
  • After minification 81.7 kB
  • After compression 77.6 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. Reddata.nl needs all CSS files to be minified and compressed as it can save up to 19.8 kB or 20% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (49%)

Requests Now

85

After Optimization

43

The browser has sent 85 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Red Data. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

reddata.nl accessibility score

96

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

Links do not have a discernible name

Best Practices

reddata.nl 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

High

Page has valid source maps

SEO Factors

reddata.nl SEO score

98

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Reddata.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it does not match the claimed English language. Our system also found out that Reddata.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

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