Tools & Wizards About Us
delta-n.nl screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

delta-n.nl

Delta-N, jouw partner voor een verantwoorde stap naar de Cloud

Page Load Speed

7.3 sec in total

First Response

386 ms

Resources Loaded

6.4 sec

Page Rendered

538 ms

delta-n.nl screenshot

About Website

Welcome to delta-n.nl homepage info - get ready to check Delta N best content for Netherlands right away, or after learning these important things about delta-n.nl

Wij stellen organisaties in staat meer te bereiken door op een verantwoorde manier de stap naar de Microsoft Cloud te zetten.

Visit delta-n.nl

Key Findings

We analyzed Delta-n.nl page load time and found that the first response time was 386 ms and then it took 6.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

delta-n.nl performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.4 s

1/100

10%

LCP (Largest Contentful Paint)

Value44.7 s

0/100

25%

SI (Speed Index)

Value22.6 s

0/100

10%

TBT (Total Blocking Time)

Value7,020 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.059

98/100

15%

TTI (Time to Interactive)

Value37.0 s

0/100

10%

Network Requests Diagram

delta-n.nl

386 ms

www.delta-n.nl

1865 ms

gtm.js

91 ms

uc.js

58 ms

cleantalk-public.min.css

331 ms

Our browser made a total of 200 requests to load all elements on the main page. We found that 71% of them (142 requests) were addressed to the original Delta-n.nl, 8% (15 requests) were made to D.adroll.com and 2% (4 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Delta-n.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 911.2 kB (13%)

Content Size

7.2 MB

After Optimization

6.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Delta-n.nl main page is 7.2 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. 80% 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 4.6 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 497.2 kB

  • Original 656.2 kB
  • After minification 623.4 kB
  • After compression 159.0 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. 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 497.2 kB or 76% of the original size.

Image Optimization

-6%

Potential reduce by 273.6 kB

  • Original 4.6 MB
  • After minification 4.3 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. Delta N images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 114.1 kB

  • Original 1.8 MB
  • After minification 1.8 MB
  • After compression 1.7 MB

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

-14%

Potential reduce by 26.3 kB

  • Original 191.3 kB
  • After minification 190.9 kB
  • After compression 165.0 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. Delta-n.nl needs all CSS files to be minified and compressed as it can save up to 26.3 kB or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 122 (67%)

Requests Now

182

After Optimization

60

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 182 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Delta N. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 80 to 1 for JavaScripts and from 28 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

delta-n.nl

delta-n.nl

386 ms

www.delta-n.nl

www.delta-n.nl

1865 ms

gtm.js

gtm.js

91 ms

uc.js

uc.js

58 ms

cleantalk-public.min.css

cleantalk-public.min.css

331 ms

style_login_widget.css

style_login_widget.css

332 ms

css

css

44 ms

style.css

style.css

332 ms

search-filter.min.css

search-filter.min.css

338 ms

style.css

style.css

340 ms

font-awesome.min.css

font-awesome.min.css

360 ms

bootstrap.css

bootstrap.css

459 ms

jquery.mmenu.all.css

jquery.mmenu.all.css

373 ms

best4u-style.css

best4u-style.css

475 ms

style.css

style.css

379 ms

prettyPhoto.css

prettyPhoto.css

380 ms

animate.css

animate.css

453 ms

background.css

background.css

468 ms

style.css

style.css

471 ms

style.css

style.css

510 ms

owl.carousel.min.css

owl.carousel.min.css

542 ms

style.css

style.css

545 ms

css

css

61 ms

smartslider.min.css

smartslider.min.css

557 ms

css

css

50 ms

jquery.min.js

jquery.min.js

657 ms

jquery-migrate.min.js

jquery-migrate.min.js

576 ms

apbct-public-bundle.min.js

apbct-public-bundle.min.js

672 ms

jquery.validate.min.js

jquery.validate.min.js

630 ms

additional-methods.js

additional-methods.js

634 ms

search-filter-build.min.js

search-filter-build.min.js

741 ms

chosen.jquery.min.js

chosen.jquery.min.js

671 ms

modernizr.min.js

modernizr.min.js

721 ms

bootstrap.min.js

bootstrap.min.js

723 ms

jquery.touchSwipe.min.js

jquery.touchSwipe.min.js

867 ms

html5shiv.js

html5shiv.js

868 ms

respond.min.js

respond.min.js

870 ms

owl.carousel.min.js

owl.carousel.min.js

873 ms

sh-main.js

sh-main.js

876 ms

front-scripts.js

front-scripts.js

877 ms

front.js

front.js

878 ms

js

js

54 ms

js

js

148 ms

n2.min.js

n2.min.js

795 ms

app.js

app.js

1 ms

v2.js

v2.js

721 ms

icon

icon

24 ms

webchat-es5.js

webchat-es5.js

50 ms

143682728.js

143682728.js

554 ms

api.js

api.js

48 ms

tw-bs4.css

tw-bs4.css

701 ms

font-awesome.min.css

font-awesome.min.css

713 ms

front.css

front.css

708 ms

gaddon_settings.min.css

gaddon_settings.min.css

707 ms

chosen.min.css

chosen.min.css

705 ms

admin.css

admin.css

703 ms

smartslider-frontend.min.js

smartslider-frontend.min.js

684 ms

ss-simple.min.js

ss-simple.min.js

1080 ms

w-bullet.min.js

w-bullet.min.js

1076 ms

idle-timer.min.js

idle-timer.min.js

1074 ms

custom.js

custom.js

1001 ms

gtm4wp-form-move-tracker.js

gtm4wp-form-move-tracker.js

993 ms

core.min.js

core.min.js

986 ms

datepicker.min.js

datepicker.min.js

1115 ms

jquery.matchHeight.js

jquery.matchHeight.js

1075 ms

main.js

main.js

1074 ms

frontend.min.js

frontend.min.js

1042 ms

imagesloaded.min.js

imagesloaded.min.js

1038 ms

jquery.carouFredSel-6.2.1-packed.js

jquery.carouFredSel-6.2.1-packed.js

1028 ms

jquery.prettyPhoto.js

jquery.prettyPhoto.js

1130 ms

jquery.customInput.js

jquery.customInput.js

1075 ms

scrollTo.min.js

scrollTo.min.js

1072 ms

jquery.mmenu.min.all.js

jquery.mmenu.min.all.js

1038 ms

selectize.min.js

selectize.min.js

1033 ms

jquery.parallax.js

jquery.parallax.js

1027 ms

effect.min.js

effect.min.js

1081 ms

lazysizes.min.js

lazysizes.min.js

1082 ms

landing

landing

849 ms

general.js

general.js

940 ms

core.js

core.js

932 ms

transition.js

transition.js

940 ms

background.js

background.js

941 ms

background.init.js

background.init.js

1065 ms

isotope.pkgd.min.js

isotope.pkgd.min.js

1068 ms

roundtrip.js

roundtrip.js

823 ms

lftracker_v1_lAxoEaK9Eev7OYGd.js

lftracker_v1_lAxoEaK9Eev7OYGd.js

683 ms

fbevents.js

fbevents.js

565 ms

ga.js

ga.js

563 ms

start-masonry.js

start-masonry.js

983 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

1007 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

957 ms

wp-polyfill.min.js

wp-polyfill.min.js

949 ms

font

font

433 ms

font

font

553 ms

font

font

611 ms

jq_73395c.js

jq_73395c.js

811 ms

143682728.js

143682728.js

427 ms

dom-ready.min.js

dom-ready.min.js

993 ms

hooks.min.js

hooks.min.js

993 ms

i18n.min.js

i18n.min.js

994 ms

a11y.min.js

a11y.min.js

1043 ms

jquery.json.min.js

jquery.json.min.js

1044 ms

gravityforms.min.js

gravityforms.min.js

1081 ms

insight.min.js

insight.min.js

428 ms

143682728.js

143682728.js

721 ms

collectedforms.js

collectedforms.js

718 ms

banner.js

banner.js

761 ms

fb.js

fb.js

647 ms

conversations-embed.js

conversations-embed.js

544 ms

placeholders.jquery.min.js

placeholders.jquery.min.js

672 ms

utils.min.js

utils.min.js

697 ms

vendor-theme.min.js

vendor-theme.min.js

699 ms

scripts-theme.min.js

scripts-theme.min.js

732 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

960 ms

DN25-Logo-Wit-1.png

DN25-Logo-Wit-1.png

820 ms

__utm.gif

__utm.gif

111 ms

main-breed_main.png

main-breed_main.png

973 ms

business-scan-2-01.png

business-scan-2-01.png

1117 ms

arrow-up-blue.png

arrow-up-blue.png

760 ms

devops-breed@1.png

devops-breed@1.png

1066 ms

right-arrow.png

right-arrow.png

785 ms

tr.lfeeder.com

tr.lfeeder.com

128 ms

arrow-up-white.png

arrow-up-white.png

830 ms

collect

collect

78 ms

insight_tag_errors.gif

insight_tag_errors.gif

144 ms

Azure-Rond.png

Azure-Rond.png

766 ms

teams_rond.png

teams_rond.png

807 ms

tech_ms365.png

tech_ms365.png

834 ms

tech_copilot.png

tech_copilot.png

855 ms

AzureDevOps_rond.png

AzureDevOps_rond.png

891 ms

ga-audiences

ga-audiences

68 ms

powerapps.png

powerapps.png

918 ms

SharePoint_rond.png

SharePoint_rond.png

843 ms

teams-phone-2.png

teams-phone-2.png

856 ms

OneDrive_rond_86.png

OneDrive_rond_86.png

887 ms

power-automate.png

power-automate.png

913 ms

github.png

github.png

918 ms

net-maui-01.png

net-maui-01.png

912 ms

E7VIXFKTRVARRMFFHJIFY3

E7VIXFKTRVARRMFFHJIFY3

96 ms

Viva-Tech-carroussel.png

Viva-Tech-carroussel.png

807 ms

net-01.png

net-01.png

841 ms

icon_loop-rond.png

icon_loop-rond.png

838 ms

Mammoet-Carroussel.png

Mammoet-Carroussel.png

846 ms

LCHlogo_Carroussel.png

LCHlogo_Carroussel.png

849 ms

AkzoNobel_carroussel.png

AkzoNobel_carroussel.png

869 ms

out

out

27 ms

QKCVQJI7OVBH5EAQEHADHB

QKCVQJI7OVBH5EAQEHADHB

22 ms

out

out

47 ms

out

out

64 ms

out

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64 ms

out

out

64 ms

out

out

63 ms

out

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100 ms

out

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100 ms

out

out

99 ms

out

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100 ms

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out

99 ms

out

out

100 ms

van-raak-logo-caroussel-01.png

van-raak-logo-caroussel-01.png

820 ms

JUVA.png

JUVA.png

849 ms

trigger

trigger

118 ms

Van-Eijck-logo-Carroussel.png

Van-Eijck-logo-Carroussel.png

851 ms

tap.php

tap.php

273 ms

sd

sd

291 ms

HHS-carrousel.png

HHS-carrousel.png

831 ms

logo_gem-bodegraven_carousel.png

logo_gem-bodegraven_carousel.png

822 ms

Pug

Pug

245 ms

setuid

setuid

251 ms

recaptcha__en.js

recaptcha__en.js

860 ms

logo-madolex_250.png

logo-madolex_250.png

820 ms

NKI-logo-Carroussel2.png

NKI-logo-Carroussel2.png

813 ms

rkd-logo-caroussel-01.png

rkd-logo-caroussel-01.png

820 ms

loket-logo-carroussel.png

loket-logo-carroussel.png

884 ms

LCPS-logo-naam_Carroussel.png

LCPS-logo-naam_Carroussel.png

842 ms

www.delta-n.nl

www.delta-n.nl

733 ms

in

in

51 ms

right-arrow-white.png

right-arrow-white.png

698 ms

xuid

xuid

12 ms

sync

sync

19 ms

wit-linkedin.png

wit-linkedin.png

667 ms

rum

rum

52 ms

wit-x-01.png

wit-x-01.png

624 ms

wit-facebook.png

wit-facebook.png

609 ms

wit-youtube.png

wit-youtube.png

628 ms

footer_MS-e1665131013162-300x88.png

footer_MS-e1665131013162-300x88.png

600 ms

dev-breed@1.png

dev-breed@1.png

681 ms

cs-breed@1-1.png

cs-breed@1-1.png

961 ms

business-scan-3.png

business-scan-3.png

679 ms

partnership.png

partnership.png

655 ms

azure-landing-zone.png

azure-landing-zone.png

650 ms

oplossingen_app-modernisering.png

oplossingen_app-modernisering.png

559 ms

admin-panel2.png

admin-panel2.png

634 ms

DevOps-Experience.png

DevOps-Experience.png

655 ms

ExpertsLive2024.png

ExpertsLive2024.png

638 ms

Meetup-mei_uitgelicht.png

Meetup-mei_uitgelicht.png

750 ms

cybersecurity-uitgelichte-afbeelding.png

cybersecurity-uitgelichte-afbeelding.png

836 ms

Shutterstock_2326574421.jpg

Shutterstock_2326574421.jpg

651 ms

fusion-dev-blog-highlight-foto.png

fusion-dev-blog-highlight-foto.png

656 ms

abstract-art-artistic-background-1103970-scaled-e1592762536434.jpg

abstract-art-artistic-background-1103970-scaled-e1592762536434.jpg

673 ms

DN25-Logo-Blauw-1.png

DN25-Logo-Blauw-1.png

687 ms

Accessibility Review

delta-n.nl accessibility score

93

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.

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

Links do not have a discernible name

Best Practices

delta-n.nl best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

delta-n.nl SEO score

90

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 Delta-n.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 Delta-n.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

delta-n.nl

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