Tools & Wizards About Us
holthurn.nl screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

holthurn.nl

Aankoopmakelaar Rotterdam | 20+ jaar ervaring| ontzorging

Page Load Speed

5 sec in total

First Response

278 ms

Resources Loaded

4 sec

Page Rendered

680 ms

holthurn.nl screenshot

About Website

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

Zoek je een aankoopmakelaar in Rotterdam die jou ontzorgt en snel resultaat boekt? Vind je droomhuis met Bodemprijs Aankoopmakelaar!

Visit holthurn.nl

Key Findings

We analyzed Holthurn.nl page load time and found that the first response time was 278 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

holthurn.nl performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value11.4 s

0/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value1,070 ms

25/100

30%

CLS (Cumulative Layout Shift)

Value0.073

96/100

15%

TTI (Time to Interactive)

Value12.4 s

15/100

10%

Network Requests Diagram

hampshire-hotel-holthurnsche-hof

278 ms

css

25 ms

normalize.css

158 ms

main.css

162 ms

style.css

244 ms

Our browser made a total of 158 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Holthurn.nl, 15% (24 requests) were made to Maps.google.com and 6% (9 requests) were made to Maps.gstatic.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Hampshire-hotels.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.5 MB (27%)

Content Size

5.5 MB

After Optimization

4.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Holthurn.nl main page is 5.5 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. 75% 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 3.6 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 182.1 kB

  • Original 237.0 kB
  • After minification 224.1 kB
  • After compression 54.9 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 182.1 kB or 77% of the original size.

Image Optimization

-6%

Potential reduce by 208.7 kB

  • Original 3.6 MB
  • After minification 3.4 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. Holthurn images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 982.2 kB

  • Original 1.5 MB
  • After minification 1.5 MB
  • After compression 542.1 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 982.2 kB or 64% of the original size.

CSS Optimization

-85%

Potential reduce by 138.1 kB

  • Original 161.6 kB
  • After minification 119.4 kB
  • After compression 23.4 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. Holthurn.nl needs all CSS files to be minified and compressed as it can save up to 138.1 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 69 (47%)

Requests Now

146

After Optimization

77

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 146 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Holthurn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 46 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

hampshire-hotel-holthurnsche-hof

hampshire-hotel-holthurnsche-hof

278 ms

css

css

25 ms

normalize.css

normalize.css

158 ms

main.css

main.css

162 ms

style.css

style.css

244 ms

core-ui-select.css

core-ui-select.css

165 ms

tripadvisor.css

tripadvisor.css

166 ms

adapt.min.js

adapt.min.js

163 ms

calltracker.js

calltracker.js

236 ms

modernizr-2.6.2.min.js

modernizr-2.6.2.min.js

241 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

332 ms

jquery.browser.js

jquery.browser.js

187 ms

jquery.tools.min.js

jquery.tools.min.js

253 ms

jquery.slides.min.js

jquery.slides.min.js

240 ms

jquery.slides.v2.min.js

jquery.slides.v2.min.js

245 ms

jquery.smooth-scroll.min.js

jquery.smooth-scroll.min.js

246 ms

jquery.form.js

jquery.form.js

254 ms

jquery.validate.js

jquery.validate.js

321 ms

jquery.core-ui-select.js

jquery.core-ui-select.js

325 ms

jquery.lan.js

jquery.lan.js

326 ms

analytics.ecommerce.js

analytics.ecommerce.js

332 ms

jquery.touchSwipe.min.js

jquery.touchSwipe.min.js

333 ms

js

js

22 ms

jquery.ui.map.min.js

jquery.ui.map.min.js

399 ms

addthis_widget.js

addthis_widget.js

14 ms

jquery.navigation.js

jquery.navigation.js

404 ms

jquery.datepick.css

jquery.datepick.css

405 ms

jquery.datepick.min.js

jquery.datepick.min.js

408 ms

jquery.datepick-nl.js

jquery.datepick-nl.js

410 ms

jPages.js

jPages.js

412 ms

conversion.js

conversion.js

15 ms

grid_1024.css

grid_1024.css

299 ms

fbds.js

fbds.js

405 ms

4.5-12099-5.png

4.5-12099-5.png

231 ms

s4.5.gif

s4.5.gif

70 ms

s5.0-12099-5.png

s5.0-12099-5.png

407 ms

s4.0-12099-5.png

s4.0-12099-5.png

406 ms

icon_phone.gif

icon_phone.gif

232 ms

nl.png

nl.png

230 ms

en.png

en.png

229 ms

de.png

de.png

230 ms

96-media-2111-744x419.jpg

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461 ms

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458 ms

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456 ms

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511 ms

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458 ms

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441 ms

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620 ms

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652 ms

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652 ms

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652 ms

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651 ms

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96-media-2123-100x56.jpg

653 ms

1534.jpg

1534.jpg

814 ms

1535.jpg

1535.jpg

815 ms

1536.jpg

1536.jpg

927 ms

Giro1.jpg

Giro1.jpg

810 ms

marikenloop%20evenmenten%20berg%20en%20dal.jpg

marikenloop%20evenmenten%20berg%20en%20dal.jpg

1640 ms

Fortarock-2016.png

Fortarock-2016.png

1237 ms

Iron%20Maiden.jpg

Iron%20Maiden.jpg

889 ms

Vierdaagse.png

Vierdaagse.png

925 ms

Justin%20Bieber.PNG

Justin%20Bieber.PNG

1351 ms

Zevenheuvelenloop%202016.jpg

Zevenheuvelenloop%202016.jpg

925 ms

96-content-67-488x275.jpg

96-content-67-488x275.jpg

945 ms

96-content-68-488x275.jpg

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1075 ms

96-content-69-488x275.jpg

96-content-69-488x275.jpg

996 ms

preloader-white.gif

preloader-white.gif

1003 ms

CERTIFICATE_OF_EXCELLENCE_2015_en_US_large-12099-5.jpg

CERTIFICATE_OF_EXCELLENCE_2015_en_US_large-12099-5.jpg

393 ms

gtm.js

gtm.js

220 ms

logo.gif

logo.gif

1072 ms

arrowdown.png

arrowdown.png

1074 ms

i.png

i.png

1151 ms

sprite_hotel_links.png

sprite_hotel_links.png

1151 ms

icon_list.png

icon_list.png

1155 ms

bg_readmore.png

bg_readmore.png

1186 ms

BkZwJXYnumPMepfEA344yQ.ttf

BkZwJXYnumPMepfEA344yQ.ttf

333 ms

eFfAHNfFT0YtF77QmRKRj_esZW2xOQ-xsNqO47m55DA.ttf

eFfAHNfFT0YtF77QmRKRj_esZW2xOQ-xsNqO47m55DA.ttf

334 ms

gTHiwyxi6S7iiHpqAoiE3InF5uFdDttMLvmWuJdhhgs.ttf

gTHiwyxi6S7iiHpqAoiE3InF5uFdDttMLvmWuJdhhgs.ttf

336 ms

tripadvisor_logo_transp_160x40-12099-0.png

tripadvisor_logo_transp_160x40-12099-0.png

182 ms

sport%402x.png

sport%402x.png

1026 ms

icon-date.png

icon-date.png

1025 ms

arrow.png

arrow.png

1093 ms

festival%402x.png

festival%402x.png

1063 ms

212 ms

ga.js

ga.js

174 ms

analytics.js

analytics.js

202 ms

a74ca0b2-b7e3-444e-a492-c214012765be.js

a74ca0b2-b7e3-444e-a492-c214012765be.js

117 ms

script.js

script.js

333 ms

8zdpfmtz7qxfsis7ttrmwy2gt4qqcltc.js

8zdpfmtz7qxfsis7ttrmwy2gt4qqcltc.js

199 ms

3717810379.js

3717810379.js

167 ms

tr.datatrics.com

tr.datatrics.com

670 ms

bat.js

bat.js

219 ms

common.js

common.js

119 ms

map.js

map.js

120 ms

300lo.json

300lo.json

228 ms

counter.5524cceca805eb4b9b2b.js

counter.5524cceca805eb4b9b2b.js

89 ms

sh.8e5f85691f9aaa082472a194.html

sh.8e5f85691f9aaa082472a194.html

69 ms

451 ms

i-green.png

i-green.png

894 ms

sprite_socials.png

sprite_socials.png

881 ms

events_nav.png

events_nav.png

945 ms

controls_slider.png

controls_slider.png

955 ms

__utm.gif

__utm.gif

136 ms

171 ms

shares.json

shares.json

212 ms

collect

collect

351 ms

util.js

util.js

103 ms

onion.js

onion.js

99 ms

openhand_8_8.cur

openhand_8_8.cur

161 ms

event

event

54 ms

collect

collect

45 ms

collect

collect

112 ms

ViewportInfoService.GetViewportInfo

ViewportInfoService.GetViewportInfo

185 ms

stats.js

stats.js

40 ms

controls.js

controls.js

28 ms

marker.js

marker.js

33 ms

runtime.2.2.5.js

runtime.2.2.5.js

90 ms

100

100

165 ms

101

101

165 ms

css

css

102 ms

collect

collect

166 ms

transparent.png

transparent.png

86 ms

google4.png

google4.png

83 ms

mapcnt6.png

mapcnt6.png

83 ms

sv5.png

sv5.png

82 ms

tmapctrl.png

tmapctrl.png

38 ms

cb_scout5.png

cb_scout5.png

40 ms

tmapctrl4.png

tmapctrl4.png

37 ms

imgs8.png

imgs8.png

38 ms

ga-audiences

ga-audiences

32 ms

ga-audiences

ga-audiences

55 ms

zN7GBFwfMP4uA6AR0HCoLQ.ttf

zN7GBFwfMP4uA6AR0HCoLQ.ttf

23 ms

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

22 ms

Hgo13k-tfSpn0qi1SFdUfaCWcynf_cDxXwCLxiixG1c.ttf

Hgo13k-tfSpn0qi1SFdUfaCWcynf_cDxXwCLxiixG1c.ttf

24 ms

d-6IYplOFocCacKzxwXSOKCWcynf_cDxXwCLxiixG1c.ttf

d-6IYplOFocCacKzxwXSOKCWcynf_cDxXwCLxiixG1c.ttf

24 ms

vt

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44 ms

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83 ms

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31 ms

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51 ms

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32 ms

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68 ms

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32 ms

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72 ms

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68 ms

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54 ms

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88 ms

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98 ms

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84 ms

vt

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114 ms

vt

vt

111 ms

marker.png

marker.png

489 ms

tr.datatrics.com

tr.datatrics.com

367 ms

getVisualSelectedBoxes

getVisualSelectedBoxes

549 ms

AuthenticationService.Authenticate

AuthenticationService.Authenticate

225 ms

showBox

showBox

147 ms

print.css

print.css

82 ms

23 ms

Accessibility Review

holthurn.nl accessibility score

70

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

holthurn.nl best practices score

75

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

Browser errors were logged to the console

SEO Factors

holthurn.nl SEO score

76

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Holthurn.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 Holthurn.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

holthurn.nl

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