Tools & Wizards About Us
d-tt.nl screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

d-tt.nl

Digital agency DTT

Page Load Speed

6.3 sec in total

First Response

355 ms

Resources Loaded

5.3 sec

Page Rendered

589 ms

d-tt.nl screenshot

About Website

Click here to check amazing DTT content for Greece. Otherwise, check out these important facts you probably never knew about d-tt.nl

Digital agency DTT is jouw partner tijdens het gehele app ontwikkeltraject, voor zowel iOS, Android, Web als Games.

Visit d-tt.nl

Key Findings

We analyzed D-tt.nl page load time and found that the first response time was 355 ms and then it took 5.9 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

d-tt.nl performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value9.0 s

1/100

25%

SI (Speed Index)

Value12.8 s

2/100

10%

TBT (Total Blocking Time)

Value1,300 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value14.8 s

8/100

10%

Network Requests Diagram

d-tt.nl

355 ms

d-tt.nl

378 ms

www.d-tt.nl

1064 ms

gtm.js

123 ms

ping.js

29 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 88% of them (76 requests) were addressed to the original D-tt.nl, 2% (2 requests) were made to Clarity.ms and 2% (2 requests) were made to Js.intercomcdn.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain D-tt.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 241.4 kB (10%)

Content Size

2.3 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of D-tt.nl main page is 2.3 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. 60% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 238.9 kB

  • Original 289.4 kB
  • After minification 289.3 kB
  • After compression 50.6 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 238.9 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 2.0 kB

  • Original 1.8 MB
  • After minification 1.8 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. DTT images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 352 B

  • Original 193.0 kB
  • After minification 193.0 kB
  • After compression 192.7 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.

CSS Optimization

-1%

Potential reduce by 184 B

  • Original 20.6 kB
  • After minification 20.6 kB
  • After compression 20.4 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. D-tt.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 32 (39%)

Requests Now

83

After Optimization

51

  • Images
  • JavaScript
  • CSS

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DTT. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

d-tt.nl

d-tt.nl

355 ms

d-tt.nl

d-tt.nl

378 ms

www.d-tt.nl

www.d-tt.nl

1064 ms

gtm.js

gtm.js

123 ms

ping.js

ping.js

29 ms

a53xpx04xo

a53xpx04xo

1399 ms

createjs.min.js.pagespeed.jm.OfLmWU1ipA.js

createjs.min.js.pagespeed.jm.OfLmWU1ipA.js

264 ms

lodash.min.js.pagespeed.jm.W-5SXVqtAr.js

lodash.min.js.pagespeed.jm.W-5SXVqtAr.js

347 ms

gsap.min.js.pagespeed.jm.Y4KilHu0JF.js

gsap.min.js.pagespeed.jm.Y4KilHu0JF.js

364 ms

dtt_desktop_banner.js.pagespeed.jm.Esd8xF__4P.js

dtt_desktop_banner.js.pagespeed.jm.Esd8xF__4P.js

363 ms

jquery-3.5.1.min.js.pagespeed.jm.A8biqtTJrt.js

jquery-3.5.1.min.js.pagespeed.jm.A8biqtTJrt.js

373 ms

img_DTT_logo_black.svg

img_DTT_logo_black.svg

279 ms

1.JiBnMqyl6S.gif

1.JiBnMqyl6S.gif

359 ms

ic_arrow_down_red.svg

ic_arrow_down_red.svg

380 ms

ic_search.svg

ic_search.svg

453 ms

ic_close.svg

ic_close.svg

453 ms

ic_navigation_call.svg

ic_navigation_call.svg

456 ms

ic_navigation_time.svg

ic_navigation_time.svg

455 ms

ic_flag_nl.svg

ic_flag_nl.svg

457 ms

ic_arrow_right_skinny.svg

ic_arrow_right_skinny.svg

457 ms

image-placeholder-transparent.svg

image-placeholder-transparent.svg

516 ms

ximg_quote_Joost_NL,P20,281,29.png.pagespeed.ic.pJN1ZHCuaW.png

ximg_quote_Joost_NL,P20,281,29.png.pagespeed.ic.pJN1ZHCuaW.png

1096 ms

ximg_quote_Mickey_NL.png.pagespeed.ic.m0usHhTffe.png

ximg_quote_Mickey_NL.png.pagespeed.ic.m0usHhTffe.png

795 ms

ximg_quote_Joost2_NL.png.pagespeed.ic.FtYVxFtY0p.png

ximg_quote_Joost2_NL.png.pagespeed.ic.FtYVxFtY0p.png

1101 ms

5.1.0

5.1.0

50 ms

default.js.pagespeed.jm.4rV9Rqmljo.js

default.js.pagespeed.jm.4rV9Rqmljo.js

454 ms

bootstrap.js

bootstrap.js

998 ms

xQuote_NL,P20,281,29.png.pagespeed.ic.PUfuL9RZ1o.png

xQuote_NL,P20,281,29.png.pagespeed.ic.PUfuL9RZ1o.png

528 ms

ic_arrow_right.svg

ic_arrow_right.svg

140 ms

https,3A,_,_www.d-tt.nl,_assets,_site,_img,_home,_vws_bg_large.png.pagespeed.ce.6g3f3sp0rg.png

https,3A,_,_www.d-tt.nl,_assets,_site,_img,_home,_vws_bg_large.png.pagespeed.ce.6g3f3sp0rg.png

1781 ms

vws_img_large.png.pagespeed.ce.OBSODGqRkx.png

vws_img_large.png.pagespeed.ce.OBSODGqRkx.png

1952 ms

ic_arrow_next_white.svg

ic_arrow_next_white.svg

422 ms

jquery.form.min.js

jquery.form.min.js

440 ms

jquery.jgrowl.min.js

jquery.jgrowl.min.js

530 ms

A.styles-shared.css,qv=1.3.33.pagespeed.cf.dFARbFBBGl.css

A.styles-shared.css,qv=1.3.33.pagespeed.cf.dFARbFBBGl.css

93 ms

A.styles-header.css,qv=1.3.33.pagespeed.cf.urhuQqc3aG.css

A.styles-header.css,qv=1.3.33.pagespeed.cf.urhuQqc3aG.css

91 ms

A.styles-home.css,qv=1.3.33.pagespeed.cf.2iznaimgds.css

A.styles-home.css,qv=1.3.33.pagespeed.cf.2iznaimgds.css

112 ms

A.default.css.pagespeed.cf.k2XZdXzXQd.css

A.default.css.pagespeed.cf.k2XZdXzXQd.css

119 ms

clarity.js

clarity.js

7 ms

xbuxa0wx

xbuxa0wx

50 ms

img_DTT_logo_white.svg

img_DTT_logo_white.svg

102 ms

ic_arrow_down_white.svg

ic_arrow_down_white.svg

89 ms

ic_search_white.svg

ic_search_white.svg

91 ms

ic_navigation_call_white.svg

ic_navigation_call_white.svg

98 ms

ic_flag_en.svg

ic_flag_en.svg

94 ms

ic_arrow_app_hover_white.svg

ic_arrow_app_hover_white.svg

92 ms

ic_hamburger_menu.svg

ic_hamburger_menu.svg

175 ms

ic_hamburger_menu_white.svg

ic_hamburger_menu_white.svg

179 ms

dtt_logo_color.svg

dtt_logo_color.svg

177 ms

dtt_logo_white.svg

dtt_logo_white.svg

179 ms

ic_phone_number.svg

ic_phone_number.svg

210 ms

ic_phone_number_white.svg

ic_phone_number_white.svg

214 ms

ic_close.svg

ic_close.svg

259 ms

search-black.svg

search-black.svg

266 ms

ic_flag_nl.svg

ic_flag_nl.svg

263 ms

ic_circle_email.svg

ic_circle_email.svg

266 ms

ic_circle_phone.svg

ic_circle_phone.svg

323 ms

ic_search_black.svg

ic_search_black.svg

328 ms

ximg_team_small.png.pagespeed.ic.-HvT9a0ET9.png

ximg_team_small.png.pagespeed.ic.-HvT9a0ET9.png

535 ms

ic_linkedin_white.svg

ic_linkedin_white.svg

359 ms

xvws_logo_large.png.pagespeed.ic.IER3vh9QLn.png

xvws_logo_large.png.pagespeed.ic.IER3vh9QLn.png

446 ms

ic_arrow_app_hover.svg

ic_arrow_app_hover.svg

361 ms

famiflora_bg_large.png.pagespeed.ce.iCfJZEg-2X.png

famiflora_bg_large.png.pagespeed.ce.iCfJZEg-2X.png

431 ms

famiflora_img_large.png.pagespeed.ce.OgO0cYDPER.png

famiflora_img_large.png.pagespeed.ce.OgO0cYDPER.png

1000 ms

xfami-logo.png.pagespeed.ic.Yi0EZytG17.png

xfami-logo.png.pagespeed.ic.Yi0EZytG17.png

532 ms

xmediamasters_bg_large.png.pagespeed.ic.MiPscVYfrq.png

xmediamasters_bg_large.png.pagespeed.ic.MiPscVYfrq.png

451 ms

xmm-no-bg-smaller5.png.pagespeed.ic.-AMOWkkOuv.png

xmm-no-bg-smaller5.png.pagespeed.ic.-AMOWkkOuv.png

695 ms

mm-logo.png.pagespeed.ce._d9-a2rA1n.png

mm-logo.png.pagespeed.ce._d9-a2rA1n.png

829 ms

greenpeace_bg_large.png.pagespeed.ce.ZVghjDSDex.png

greenpeace_bg_large.png.pagespeed.ce.ZVghjDSDex.png

962 ms

greenpeace_img_large.png.pagespeed.ce.q9zg4Agy8o.png

greenpeace_img_large.png.pagespeed.ce.q9zg4Agy8o.png

707 ms

greenpeace_logo_large.png.pagespeed.ce.6WKoyhUSEM.png

greenpeace_logo_large.png.pagespeed.ce.6WKoyhUSEM.png

831 ms

xstep-01.png.pagespeed.ic._yAYrQSzmu.png

xstep-01.png.pagespeed.ic._yAYrQSzmu.png

783 ms

xstep-02.png.pagespeed.ic.vDsORxewkg.png

xstep-02.png.pagespeed.ic.vDsORxewkg.png

804 ms

xstep-03.png.pagespeed.ic.DTmQtstf0m.png

xstep-03.png.pagespeed.ic.DTmQtstf0m.png

870 ms

xstep-04.png.pagespeed.ic.P0jhCymAPT.png

xstep-04.png.pagespeed.ic.P0jhCymAPT.png

891 ms

BabyMaps_BlogPost-3.png.pagespeed.ce.nB9KcHUV3a.png

BabyMaps_BlogPost-3.png.pagespeed.ce.nB9KcHUV3a.png

1183 ms

frame.cd07fe74.js

frame.cd07fe74.js

56 ms

vendor.286ee333.js

vendor.286ee333.js

84 ms

c.gif

c.gif

7 ms

ic_footer_address_pin.svg

ic_footer_address_pin.svg

836 ms

ic_footer_phone_number.svg

ic_footer_phone_number.svg

872 ms

ic_footer_email.svg

ic_footer_email.svg

894 ms

ic_social_linkedin_white.svg

ic_social_linkedin_white.svg

917 ms

ic_social_Facebook_white.svg

ic_social_Facebook_white.svg

958 ms

ic_social_instagram_white.svg

ic_social_instagram_white.svg

957 ms

ic_arrow_up.svg

ic_arrow_up.svg

899 ms

Accessibility Review

d-tt.nl accessibility score

91

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.

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 IDs are not unique

Best Practices

d-tt.nl best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

d-tt.nl SEO score

99

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

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise D-tt.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 D-tt.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

d-tt.nl

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