Tools & Wizards About Us
zestsoftware.nl screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

zestsoftware.nl

CMS Plone, Odoo ERP en Django Webapps — Zest

Page Load Speed

2.6 sec in total

First Response

393 ms

Resources Loaded

2 sec

Page Rendered

263 ms

zestsoftware.nl screenshot

About Website

Click here to check amazing Zest Software content. Otherwise, check out these important facts you probably never knew about zestsoftware.nl

Zest ontwikkelt maatwerk webapplicaties en informatieve websites voor kennisintensieve organisaties.

Visit zestsoftware.nl

Key Findings

We analyzed Zestsoftware.nl page load time and found that the first response time was 393 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 45% of websites can load faster.

Performance Metrics

zestsoftware.nl performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

6/100

25%

SI (Speed Index)

Value6.9 s

33/100

10%

TBT (Total Blocking Time)

Value630 ms

47/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.8 s

22/100

10%

Network Requests Diagram

zestsoftware.nl

393 ms

zestsoftware.nl

471 ms

main.css

258 ms

jquery-1.11.3.min.js

37 ms

main.js

407 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 76% of them (25 requests) were addressed to the original Zestsoftware.nl, 12% (4 requests) were made to Fonts.gstatic.com and 3% (1 request) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (688 ms) belongs to the original domain Zestsoftware.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 430.9 kB (34%)

Content Size

1.3 MB

After Optimization

827.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zestsoftware.nl main page is 1.3 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. 40% of websites need less resources to load. Images take 841.5 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 77.5 kB

  • Original 96.5 kB
  • After minification 80.2 kB
  • After compression 19.0 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 16.3 kB, which is 17% 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 77.5 kB or 80% of the original size.

Image Optimization

-20%

Potential reduce by 167.2 kB

  • Original 841.5 kB
  • After minification 674.3 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, Zest Software needs image optimization as it can save up to 167.2 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-47%

Potential reduce by 102.0 kB

  • Original 215.6 kB
  • After minification 215.6 kB
  • After compression 113.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 102.0 kB or 47% of the original size.

CSS Optimization

-81%

Potential reduce by 84.3 kB

  • Original 104.5 kB
  • After minification 104.4 kB
  • After compression 20.3 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. Zestsoftware.nl needs all CSS files to be minified and compressed as it can save up to 84.3 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (12%)

Requests Now

25

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zest Software. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

zestsoftware.nl

zestsoftware.nl

393 ms

zestsoftware.nl

zestsoftware.nl

471 ms

main.css

main.css

258 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

37 ms

main.js

main.js

407 ms

js

js

123 ms

logo.svg

logo.svg

259 ms

10516fd8-f031-417f-9de1-2ca045b7432a.jpeg

10516fd8-f031-417f-9de1-2ca045b7432a.jpeg

688 ms

e97b6adb-7432-4c35-ab2b-5a9b37959111.png

e97b6adb-7432-4c35-ab2b-5a9b37959111.png

355 ms

b74bd4e3-b853-48ab-9da3-6f1f815ced3f.png

b74bd4e3-b853-48ab-9da3-6f1f815ced3f.png

384 ms

592f9319-06a2-4b30-85b1-97fc06c2519e.png

592f9319-06a2-4b30-85b1-97fc06c2519e.png

340 ms

6b7e3130-6d49-40cc-81fc-ba6ba711bd22.png

6b7e3130-6d49-40cc-81fc-ba6ba711bd22.png

516 ms

99653eda-74f0-4f68-9d04-b5455852ec9c.png

99653eda-74f0-4f68-9d04-b5455852ec9c.png

434 ms

94792240-18f3-4124-a78a-0d53a2d74ca8.png

94792240-18f3-4124-a78a-0d53a2d74ca8.png

530 ms

51dcc482-f7b7-4029-9ae8-3a52ddff33f1.png

51dcc482-f7b7-4029-9ae8-3a52ddff33f1.png

474 ms

1fa7c8ae-8dbf-4b37-b11f-724449dbe88c.png

1fa7c8ae-8dbf-4b37-b11f-724449dbe88c.png

565 ms

e1367062-9852-477c-a914-24538679f868.png

e1367062-9852-477c-a914-24538679f868.png

507 ms

9b9ec1c4-e896-431a-a50c-373c4db2e013.png

9b9ec1c4-e896-431a-a50c-373c4db2e013.png

569 ms

ee173057-c089-4146-b405-ed092a1ac749.png

ee173057-c089-4146-b405-ed092a1ac749.png

592 ms

9ae73414-509b-4c03-8717-2e3258bea58e.png

9ae73414-509b-4c03-8717-2e3258bea58e.png

600 ms

e796dc7d-d4f5-455d-a7fc-7100536fd855.png

e796dc7d-d4f5-455d-a7fc-7100536fd855.png

615 ms

0b142d25-c126-436c-850e-3dffb5fd8a92.png

0b142d25-c126-436c-850e-3dffb5fd8a92.png

645 ms

d21fac30-a9e9-4190-a500-847094e35604.png

d21fac30-a9e9-4190-a500-847094e35604.png

662 ms

54a30031-ae1d-48ec-b57e-06cfe399f61c.png

54a30031-ae1d-48ec-b57e-06cfe399f61c.png

676 ms

css

css

34 ms

f16becec0ece8dcfdd6525d7b08c0621.jpg

f16becec0ece8dcfdd6525d7b08c0621.jpg

475 ms

jizaRExUiTo99u79D0KEww.woff

jizaRExUiTo99u79D0KEww.woff

29 ms

jizfRExUiTo99u79B_mh0O6tKw.woff

jizfRExUiTo99u79B_mh0O6tKw.woff

40 ms

fa2772327f55d8198301fdb8bcfc8158.woff

fa2772327f55d8198301fdb8bcfc8158.woff

369 ms

jizYRExUiTo99u79D0e0x8mO.woff

jizYRExUiTo99u79D0e0x8mO.woff

50 ms

jizdRExUiTo99u79D0e8fOydLxUb.woff

jizdRExUiTo99u79D0e8fOydLxUb.woff

50 ms

fee66e712a8a08eef5805a46892932ad.woff

fee66e712a8a08eef5805a46892932ad.woff

318 ms

matomo.js

matomo.js

676 ms

Accessibility Review

zestsoftware.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

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

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

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

zestsoftware.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

Page has valid source maps

SEO Factors

zestsoftware.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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    NL

  • Encoding

    UTF-8

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

zestsoftware.nl

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