Tools & Wizards About Us
holties.nl screenshot

Report Summary

  • 56

    Performance

    Renders faster than
    72% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

holties.nl

Sterk Werk Uitzendburo B.V.

Page Load Speed

4.1 sec in total

First Response

249 ms

Resources Loaded

3.5 sec

Page Rendered

255 ms

holties.nl screenshot

About Website

Click here to check amazing Holties content. Otherwise, check out these important facts you probably never knew about holties.nl

De beste oplossing voor werkgevers en werkzoekenden. Wij begrijpen de kracht van een persoonlijke benadering en de waarde van een perfecte match. Ons ervaren team staat klaar om jouw behoeften te begr...

Visit holties.nl

Key Findings

We analyzed Holties.nl page load time and found that the first response time was 249 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

holties.nl performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

79/100

25%

SI (Speed Index)

Value4.5 s

73/100

10%

TBT (Total Blocking Time)

Value890 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0.253

49/100

15%

TTI (Time to Interactive)

Value6.4 s

59/100

10%

Network Requests Diagram

holties.nl

249 ms

www.holties.nl

1162 ms

screen.css

241 ms

prettyPhoto.css

163 ms

jquery.ui.tabs.css

163 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 94% of them (85 requests) were addressed to the original Holties.nl, 2% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Holties.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 338.3 kB (28%)

Content Size

1.2 MB

After Optimization

875.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Holties.nl main page is 1.2 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. 35% of websites need less resources to load. Images take 846.4 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 27.5 kB

  • Original 32.9 kB
  • After minification 28.7 kB
  • After compression 5.4 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 4.2 kB, which is 13% 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 27.5 kB or 83% of the original size.

Image Optimization

-6%

Potential reduce by 53.0 kB

  • Original 846.4 kB
  • After minification 793.4 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. Holties images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 221.4 kB

  • Original 289.8 kB
  • After minification 195.7 kB
  • After compression 68.3 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 221.4 kB or 76% of the original size.

CSS Optimization

-82%

Potential reduce by 36.3 kB

  • Original 44.6 kB
  • After minification 33.0 kB
  • After compression 8.2 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. Holties.nl needs all CSS files to be minified and compressed as it can save up to 36.3 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (15%)

Requests Now

85

After Optimization

72

  • Images
  • JavaScript
  • CSS

The browser has sent 85 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Holties. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

holties.nl

holties.nl

249 ms

www.holties.nl

www.holties.nl

1162 ms

screen.css

screen.css

241 ms

prettyPhoto.css

prettyPhoto.css

163 ms

jquery.ui.tabs.css

jquery.ui.tabs.css

163 ms

jquery-1.5.1.js

jquery-1.5.1.js

558 ms

jquery.ui.core.min.js

jquery.ui.core.min.js

164 ms

jquery.ui.widget.min.js

jquery.ui.widget.min.js

320 ms

jquery.ui.tabs.min.js

jquery.ui.tabs.min.js

320 ms

scripts.js

scripts.js

398 ms

ga.js

ga.js

41 ms

bg.jpg

bg.jpg

478 ms

bg-wrapper-top.png

bg-wrapper-top.png

161 ms

bg-wrapper-middle.png

bg-wrapper-middle.png

162 ms

logo.jpg

logo.jpg

239 ms

social-2.png

social-2.png

163 ms

social-3.png

social-3.png

321 ms

social-4.png

social-4.png

320 ms

bg-mainmenu.png

bg-mainmenu.png

322 ms

bling-2.png

bling-2.png

398 ms

bg-slider-top.png

bg-slider-top.png

417 ms

bg-slider-middle.png

bg-slider-middle.png

477 ms

10793.jpg

10793.jpg

639 ms

11960.jpg

11960.jpg

559 ms

7760.jpg

7760.jpg

954 ms

bg-slider-bottom.png

bg-slider-bottom.png

575 ms

button.png

button.png

633 ms

70-Albert-Heijn.jpg

70-Albert-Heijn.jpg

636 ms

70-ANWB.jpg

70-ANWB.jpg

719 ms

70-Astron-Netherlands-Institute-for-Radio-Astronomy.jpg

70-Astron-Netherlands-Institute-for-Radio-Astronomy.jpg

732 ms

70-Brandweer-Zuid-West-Drenthe.jpg

70-Brandweer-Zuid-West-Drenthe.jpg

792 ms

70-Brink-Trekhaken.jpg

70-Brink-Trekhaken.jpg

794 ms

70-C%201000.jpg

70-C%201000.jpg

793 ms

70-CNV.jpg

70-CNV.jpg

877 ms

70-DeLaval.jpg

70-DeLaval.jpg

891 ms

70-DGO-Express.jpg

70-DGO-Express.jpg

950 ms

70-DOC-Kaas.jpg

70-DOC-Kaas.jpg

952 ms

70-Donderdag-Meppeldagen.jpg

70-Donderdag-Meppeldagen.jpg

952 ms

70-Drameco.jpg

70-Drameco.jpg

1035 ms

70-Dyka-Kunststof-Leidingsystemen.jpg

70-Dyka-Kunststof-Leidingsystemen.jpg

1049 ms

70-Eastborn-Slaapsystemen.jpg

70-Eastborn-Slaapsystemen.jpg

1107 ms

70-Efteling.jpg

70-Efteling.jpg

1108 ms

70-FC-Groningen.jpg

70-FC-Groningen.jpg

1110 ms

70-Frans-Maas-Transport.jpg

70-Frans-Maas-Transport.jpg

1110 ms

70-Friesland-Campina.jpg

70-Friesland-Campina.jpg

1193 ms

70-Gamma.jpg

70-Gamma.jpg

1195 ms

__utm.gif

__utm.gif

12 ms

collect

collect

61 ms

ga-audiences

ga-audiences

35 ms

70-Gemeente-De-Wolden.jpg

70-Gemeente-De-Wolden.jpg

1114 ms

70-Gemeente-Westerveld.jpg

70-Gemeente-Westerveld.jpg

1113 ms

70-Heineken.jpg

70-Heineken.jpg

1114 ms

70-Imabo.jpg

70-Imabo.jpg

1039 ms

widget.js

widget.js

62 ms

70-Kip-Caravans.jpg

70-Kip-Caravans.jpg

1092 ms

70-Klunder-Tappel.jpg

70-Klunder-Tappel.jpg

1054 ms

70-Noorderboog-Zorgcombinatie.jpg

70-Noorderboog-Zorgcombinatie.jpg

1111 ms

70-Noorder-Dierenpark.jpg

70-Noorder-Dierenpark.jpg

1112 ms

70-OIM-Orthopedie.jpg

70-OIM-Orthopedie.jpg

1037 ms

70-Philips.jpg

70-Philips.jpg

1018 ms

70-Politie-Drenthe.jpg

70-Politie-Drenthe.jpg

1045 ms

70-Rabobank.jpg

70-Rabobank.jpg

1055 ms

70-Rollecate.jpg

70-Rollecate.jpg

1031 ms

70-Ronde-van-Drenthe.jpg

70-Ronde-van-Drenthe.jpg

1016 ms

70-Ruma-Rubber.jpg

70-Ruma-Rubber.jpg

958 ms

70-Schuitema.jpg

70-Schuitema.jpg

955 ms

70-SNS-Bank.jpg

70-SNS-Bank.jpg

1039 ms

70-Steenbergen-Buigcentrale.jpg

70-Steenbergen-Buigcentrale.jpg

972 ms

70-Strukton.jpg

70-Strukton.jpg

1017 ms

70-St-Zorgcentra-ZW-Drenthe.jpg

70-St-Zorgcentra-ZW-Drenthe.jpg

958 ms

70-Theater-De-Tamboer-Hoogeveen.jpg

70-Theater-De-Tamboer-Hoogeveen.jpg

956 ms

70-Theater-Ogterop-Meppel.jpg

70-Theater-Ogterop-Meppel.jpg

957 ms

70-Unigarant-Verzekeringen.jpg

70-Unigarant-Verzekeringen.jpg

957 ms

70-Unive-Verzekeringen.jpg

70-Unive-Verzekeringen.jpg

958 ms

70-Vitters-Shipyard.jpg

70-Vitters-Shipyard.jpg

958 ms

70-WABCO.jpg

70-WABCO.jpg

957 ms

70-WAVIN.jpg

70-WAVIN.jpg

956 ms

70-Wildkamp.jpg

70-Wildkamp.jpg

956 ms

70-Woonconcept.jpg

70-Woonconcept.jpg

959 ms

bg-zoeken.png

bg-zoeken.png

957 ms

inschrijven.png

inschrijven.png

956 ms

bg-category-top.png

bg-category-top.png

957 ms

bg-category-middle.png

bg-category-middle.png

955 ms

bg-li.jpg

bg-li.jpg

956 ms

bg-category-bottom.png

bg-category-bottom.png

957 ms

bg-wrapper-bottom.png

bg-wrapper-bottom.png

956 ms

prev-horizontal.png

prev-horizontal.png

957 ms

next-horizontal.png

next-horizontal.png

958 ms

bg-slider-item.jpg

bg-slider-item.jpg

958 ms

print.css

print.css

160 ms

Accessibility Review

holties.nl accessibility score

96

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.

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.

Best Practices

holties.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

Missing source maps for large first-party JavaScript

SEO Factors

holties.nl SEO score

89

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 Holties.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 Holties.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

holties.nl

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