Tools & Wizards About Us
monetdb.cwi.nl screenshot

Report Summary

  • 49

    Performance

    Renders faster than
    68% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

monetdb.cwi.nl

Page Load Speed

3 sec in total

First Response

551 ms

Resources Loaded

2.3 sec

Page Rendered

156 ms

monetdb.cwi.nl screenshot

About Website

Click here to check amazing Monetdb Cwi content for Netherlands. Otherwise, check out these important facts you probably never knew about monetdb.cwi.nl

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Key Findings

We analyzed Monetdb.cwi.nl page load time and found that the first response time was 551 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

monetdb.cwi.nl performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.3 s

1/100

10%

LCP (Largest Contentful Paint)

Value13.5 s

0/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value90 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

monetdb.cwi.nl

551 ms

Home

200 ms

Home

646 ms

css_f026dc3642393b7ad67042203b2fd02d.css

179 ms

superfish.css

269 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Monetdb.cwi.nl, 82% (18 requests) were made to Monetdb.org and 9% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (646 ms) relates to the external source Monetdb.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 91.6 kB (56%)

Content Size

162.1 kB

After Optimization

70.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Monetdb.cwi.nl main page is 162.1 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. Only 10% of websites need less resources to load. Javascripts take 79.7 kB which makes up the majority of the site volume.

HTML Optimization

-55%

Potential reduce by 13.4 kB

  • Original 24.2 kB
  • After minification 22.9 kB
  • After compression 10.8 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 13.4 kB or 55% of the original size.

Image Optimization

-19%

Potential reduce by 2.4 kB

  • Original 12.4 kB
  • After minification 10.0 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. Obviously, Monetdb Cwi needs image optimization as it can save up to 2.4 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-49%

Potential reduce by 39.2 kB

  • Original 79.7 kB
  • After minification 66.7 kB
  • After compression 40.5 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 39.2 kB or 49% of the original size.

CSS Optimization

-80%

Potential reduce by 36.6 kB

  • Original 45.9 kB
  • After minification 43.6 kB
  • After compression 9.3 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. Monetdb.cwi.nl needs all CSS files to be minified and compressed as it can save up to 36.6 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (61%)

Requests Now

18

After Optimization

7

  • Images
  • JavaScript
  • CSS

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

Network Requests Diagram

monetdb.cwi.nl

monetdb.cwi.nl

551 ms

Home

Home

200 ms

Home

Home

646 ms

css_f026dc3642393b7ad67042203b2fd02d.css

css_f026dc3642393b7ad67042203b2fd02d.css

179 ms

superfish.css

superfish.css

269 ms

js_fbdf0dc8feb591fec38023952b187756.js

js_fbdf0dc8feb591fec38023952b187756.js

444 ms

analytics.js

analytics.js

75 ms

bg-wall.png

bg-wall.png

110 ms

bg-header.png

bg-header.png

109 ms

header.png

header.png

108 ms

logo.png

logo.png

197 ms

button.gif

button.gif

197 ms

block-tr.png

block-tr.png

198 ms

block-br.png

block-br.png

285 ms

block-tl.png

block-tl.png

285 ms

block-bl.png

block-bl.png

288 ms

block-tile.png

block-tile.png

285 ms

bullet-round.png

bullet-round.png

286 ms

bg-footer.png

bg-footer.png

286 ms

arrows-ffffff.png

arrows-ffffff.png

372 ms

collect

collect

33 ms

collect

collect

54 ms

Accessibility Review

monetdb.cwi.nl accessibility score

79

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 match their roles

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

Form elements do not have associated labels

Best Practices

monetdb.cwi.nl best practices score

75

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

monetdb.cwi.nl SEO score

92

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

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Monetdb.cwi.nl can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Monetdb.cwi.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

monetdb.cwi.nl

Open Graph description is not detected on the main page of Monetdb Cwi. 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: