Tools & Wizards About Us
zrgbv.nl screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

zrgbv.nl

Zeeman Reclamegroep Drukkerij Belettering Reclamestudio Zeefdruk

Page Load Speed

9 sec in total

First Response

398 ms

Resources Loaded

7.5 sec

Page Rendered

1.1 sec

zrgbv.nl screenshot

About Website

Click here to check amazing Zrgbv content for Netherlands. Otherwise, check out these important facts you probably never knew about zrgbv.nl

De Zeeman Reclamegroep biedt u een totaalpakket op het gebied reclame, belettering, druk en print, zeefdruk, marketing en online media. Meer informatie >

Visit zrgbv.nl

Key Findings

We analyzed Zrgbv.nl page load time and found that the first response time was 398 ms and then it took 8.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

zrgbv.nl performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value9.7 s

0/100

25%

SI (Speed Index)

Value9.1 s

14/100

10%

TBT (Total Blocking Time)

Value380 ms

70/100

30%

CLS (Cumulative Layout Shift)

Value0.5

16/100

15%

TTI (Time to Interactive)

Value10.3 s

25/100

10%

Network Requests Diagram

zrgbv.nl

398 ms

www.zeemanreclamegroep.nl

4887 ms

jquery-3.5.1.min.js

30 ms

font-awesome.min.css

58 ms

jquery.min.js

42 ms

Our browser made a total of 106 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Zrgbv.nl, 92% (97 requests) were made to Zeemanreclamegroep.nl and 2% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (4.9 sec) relates to the external source Zeemanreclamegroep.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 325.0 kB (5%)

Content Size

6.2 MB

After Optimization

5.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zrgbv.nl main page is 6.2 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. 65% of websites need less resources to load. Images take 5.7 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 70.9 kB

  • Original 85.0 kB
  • After minification 79.0 kB
  • After compression 14.0 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 70.9 kB or 83% of the original size.

Image Optimization

-3%

Potential reduce by 156.1 kB

  • Original 5.7 MB
  • After minification 5.6 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. Zrgbv images are well optimized though.

JavaScript Optimization

-18%

Potential reduce by 59.9 kB

  • Original 331.3 kB
  • After minification 325.0 kB
  • After compression 271.4 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 59.9 kB or 18% of the original size.

CSS Optimization

-84%

Potential reduce by 38.1 kB

  • Original 45.2 kB
  • After minification 16.7 kB
  • After compression 7.1 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. Zrgbv.nl needs all CSS files to be minified and compressed as it can save up to 38.1 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (26%)

Requests Now

99

After Optimization

73

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 99 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zrgbv. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zrgbv.nl

zrgbv.nl

398 ms

www.zeemanreclamegroep.nl

www.zeemanreclamegroep.nl

4887 ms

jquery-3.5.1.min.js

jquery-3.5.1.min.js

30 ms

font-awesome.min.css

font-awesome.min.css

58 ms

jquery.min.js

jquery.min.js

42 ms

jquery-ui.min.js

jquery-ui.min.js

43 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

190 ms

jquery.mobile.touch.min.js

jquery.mobile.touch.min.js

268 ms

jssor.slider.mini.js

jssor.slider.mini.js

375 ms

slider.js

slider.js

285 ms

services.js

services.js

290 ms

imagefade.js

imagefade.js

296 ms

bgscroll.js

bgscroll.js

290 ms

justifiedGallery.min.css

justifiedGallery.min.css

361 ms

jquery.justifiedGallery.min.js

jquery.justifiedGallery.min.js

385 ms

photoswipe.css

photoswipe.css

385 ms

default-skin.css

default-skin.css

393 ms

photoswipe.js

photoswipe.js

497 ms

photoswipe-ui-default.js

photoswipe-ui-default.js

453 ms

photoswipe.js

photoswipe.js

471 ms

wpo-minify-header-d7e433ef.min.css

wpo-minify-header-d7e433ef.min.css

588 ms

wpo-minify-header-a96a2275.min.js

wpo-minify-header-a96a2275.min.js

594 ms

wpo-minify-footer-a2d50eb8.min.css

wpo-minify-footer-a2d50eb8.min.css

386 ms

wpo-minify-footer-7f5d0ea2.min.css

wpo-minify-footer-7f5d0ea2.min.css

439 ms

wpo-minify-footer-c1201843.min.js

wpo-minify-footer-c1201843.min.js

463 ms

wpo-minify-footer-74d20feb.min.js

wpo-minify-footer-74d20feb.min.js

592 ms

wp-mediaelement.min.js

wp-mediaelement.min.js

573 ms

wpo-minify-footer-73f20862.min.js

wpo-minify-footer-73f20862.min.js

574 ms

Logo_ZRGBV.svg

Logo_ZRGBV.svg

106 ms

01_N.png

01_N.png

110 ms

02_Z.png

02_Z.png

111 ms

03_E.png

03_E.png

104 ms

04_M.png

04_M.png

104 ms

05_S.png

05_S.png

165 ms

06_O.png

06_O.png

197 ms

07_streep.png

07_streep.png

204 ms

08_Grand_Cafe.png

08_Grand_Cafe.png

202 ms

Slide-def5.jpg

Slide-def5.jpg

575 ms

071817_BB_0T4A1145-slider.jpg

071817_BB_0T4A1145-slider.jpg

586 ms

Slide-modellen.png

Slide-modellen.png

653 ms

slide-schaar.png

slide-schaar.png

640 ms

slide-potjes.png

slide-potjes.png

581 ms

slide-logo.png

slide-logo.png

394 ms

Slide.jpg

Slide.jpg

495 ms

Logo.png

Logo.png

595 ms

slide3.jpg

slide3.jpg

793 ms

arrow_left.png

arrow_left.png

680 ms

arrow_right.png

arrow_right.png

689 ms

reclamestudio.png

reclamestudio.png

693 ms

belettering.png

belettering.png

730 ms

drukprint.png

drukprint.png

752 ms

uitgeverij.png

uitgeverij.png

776 ms

zeefdruk.png

zeefdruk.png

791 ms

online.png

online.png

789 ms

vidcase_play.svg

vidcase_play.svg

822 ms

HollandsKroon.jpg

HollandsKroon.jpg

850 ms

Mall.jpg

Mall.jpg

877 ms

ASG.jpg

ASG.jpg

886 ms

SchoutenTechniek.jpg

SchoutenTechniek.jpg

888 ms

zgrbv_agribusiness_uitgeverij.jpg

zgrbv_agribusiness_uitgeverij.jpg

998 ms

zgrbv_mediaspecificaties_uitgeverij.jpg

zgrbv_mediaspecificaties_uitgeverij.jpg

974 ms

zgrbv_zakenmagazine_uitgeverij.jpg

zgrbv_zakenmagazine_uitgeverij.jpg

907 ms

gothambook-webfont.woff

gothambook-webfont.woff

932 ms

analytics.js

analytics.js

34 ms

gothamlight-webfont.woff

gothamlight-webfont.woff

938 ms

gothamblack-webfont.woff

gothamblack-webfont.woff

897 ms

Longreach-Regular.woff

Longreach-Regular.woff

965 ms

customer_review.png

customer_review.png

972 ms

tumb.png

tumb.png

981 ms

collect

collect

14 ms

Thumb_Phoenix-Pomade-achtergrond-3.jpg

Thumb_Phoenix-Pomade-achtergrond-3.jpg

971 ms

collect

collect

34 ms

js

js

75 ms

tumb.jpg

tumb.jpg

933 ms

tumb-AdobeStock_80808131_2.jpg

tumb-AdobeStock_80808131_2.jpg

916 ms

tumb_beter_Wonen.jpg

tumb_beter_Wonen.jpg

970 ms

miniatur-spyro.jpg

miniatur-spyro.jpg

968 ms

kennemer-thumb.jpg

kennemer-thumb.jpg

812 ms

download-4.jpg

download-4.jpg

711 ms

thumb-ZRG_7415-DEF2.jpg

thumb-ZRG_7415-DEF2.jpg

624 ms

schiphol-thumb.jpg

schiphol-thumb.jpg

630 ms

download-3.jpg

download-3.jpg

686 ms

download-5.jpg

download-5.jpg

677 ms

dejong_logo.svg

dejong_logo.svg

651 ms

roc_logo.svg

roc_logo.svg

655 ms

WFA.svg

WFA.svg

631 ms

stc_logo.svg

stc_logo.svg

625 ms

Gemeente-hollands-kroon-logo.svg

Gemeente-hollands-kroon-logo.svg

679 ms

engie.svg

engie.svg

644 ms

79539131_3379399048797165_1943755104129646592_n-700x525.jpg

79539131_3379399048797165_1943755104129646592_n-700x525.jpg

630 ms

ZRG_9464_DEF-700x467.jpg

ZRG_9464_DEF-700x467.jpg

629 ms

123538010_4687112488025808_410969578260014392_n-700x525.jpg

123538010_4687112488025808_410969578260014392_n-700x525.jpg

617 ms

60227287_2752269461510130_1034268768152322048_n-700x525.jpg

60227287_2752269461510130_1034268768152322048_n-700x525.jpg

617 ms

EVFO0046-700x467.jpg

EVFO0046-700x467.jpg

680 ms

126526451_4760612914009098_8883325835147666806_n-700x933.jpg

126526451_4760612914009098_8883325835147666806_n-700x933.jpg

648 ms

SE-HLS2018-07-02_15_37_36_display_8628-700x466.jpg

SE-HLS2018-07-02_15_37_36_display_8628-700x466.jpg

625 ms

55453746_2644683808935363_3831812385169997824_n-700x525.jpg

55453746_2644683808935363_3831812385169997824_n-700x525.jpg

633 ms

denhelder-1-700x405.jpg

denhelder-1-700x405.jpg

625 ms

zichtwerk-700x405.jpg

zichtwerk-700x405.jpg

626 ms

schagen-1-700x405.jpg

schagen-1-700x405.jpg

619 ms

amsterdam-700x405.jpg

amsterdam-700x405.jpg

594 ms

utrecht-700x405.jpg

utrecht-700x405.jpg

576 ms

social-media-2.jpg

social-media-2.jpg

596 ms

footer-brochure-bg.jpg

footer-brochure-bg.jpg

595 ms

mejs-controls.svg

mejs-controls.svg

585 ms

Longreach-Regular.ttf

Longreach-Regular.ttf

594 ms

Accessibility Review

zrgbv.nl accessibility score

89

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

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

zrgbv.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

zrgbv.nl SEO score

100

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

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 Zrgbv.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 Zrgbv.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

zrgbv.nl

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