Tools & Wizards About Us
holzem.nl screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

holzem.nl

- Holzem Kantoorefficiency

Page Load Speed

5 sec in total

First Response

503 ms

Resources Loaded

4.2 sec

Page Rendered

233 ms

holzem.nl screenshot

About Website

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

Vul hier een korte omschrijving in van uw diensten, producten of bedrijf.

Visit holzem.nl

Key Findings

We analyzed Holzem.nl page load time and found that the first response time was 503 ms and then it took 4.5 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

holzem.nl performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

8/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value400 ms

68/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.1 s

41/100

10%

Network Requests Diagram

holzem.nl

503 ms

www.holzem.nl

883 ms

rightclick.js

389 ms

webmethods.js

296 ms

jquery-1.4.3.min.js

600 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 46% of them (27 requests) were addressed to the original Holzem.nl, 25% (15 requests) were made to Maps.googleapis.com and 10% (6 requests) were made to Image.rightclick.nl. The less responsive or slowest element that took the longest time to load (883 ms) belongs to the original domain Holzem.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 980.0 kB (65%)

Content Size

1.5 MB

After Optimization

538.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Holzem.nl main page is 1.5 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. 40% of websites need less resources to load. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 58.2 kB

  • Original 78.8 kB
  • After minification 78.3 kB
  • After compression 20.6 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 58.2 kB or 74% of the original size.

Image Optimization

-21%

Potential reduce by 27.7 kB

  • Original 133.0 kB
  • After minification 105.3 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. Obviously, Holzem needs image optimization as it can save up to 27.7 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 811.0 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 395.9 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 811.0 kB or 67% of the original size.

CSS Optimization

-83%

Potential reduce by 83.2 kB

  • Original 99.7 kB
  • After minification 73.8 kB
  • After compression 16.5 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. Holzem.nl needs all CSS files to be minified and compressed as it can save up to 83.2 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (60%)

Requests Now

57

After Optimization

23

  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Holzem. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

holzem.nl

holzem.nl

503 ms

www.holzem.nl

www.holzem.nl

883 ms

rightclick.js

rightclick.js

389 ms

webmethods.js

webmethods.js

296 ms

jquery-1.4.3.min.js

jquery-1.4.3.min.js

600 ms

jquery-ui-1.8.7.custom.min.js

jquery-ui-1.8.7.custom.min.js

713 ms

jquery-infinitescroll.js

jquery-infinitescroll.js

671 ms

jquery.lazyload.js

jquery.lazyload.js

304 ms

nano.js

nano.js

797 ms

echo.css

echo.css

748 ms

demo.css

demo.css

760 ms

customer.css

customer.css

831 ms

js

js

17 ms

addthis_widget.js

addthis_widget.js

15 ms

jquery-ui.css

jquery-ui.css

183 ms

shadowbox.css

shadowbox.css

126 ms

ipad.css

ipad.css

88 ms

ga.js

ga.js

42 ms

B87334A23221-170x150-ffffff.gif

B87334A23221-170x150-ffffff.gif

270 ms

holzem-kantoorefficiency.jpg

holzem-kantoorefficiency.jpg

243 ms

F5CD03D82801.png

F5CD03D82801.png

647 ms

B5305FB3C993.gif

B5305FB3C993.gif

356 ms

222398B53B1A.gif

222398B53B1A.gif

601 ms

rightclick5.gif

rightclick5.gif

677 ms

ajax-loader.gif

ajax-loader.gif

643 ms

16275F5CDCF0.png

16275F5CDCF0.png

688 ms

CFA408A5F1D1.jpg

CFA408A5F1D1.jpg

801 ms

C2C5FE334D17.png

C2C5FE334D17.png

778 ms

arrow.png

arrow.png

763 ms

C6BD01298782.png

C6BD01298782.png

762 ms

loading-transparent.gif

loading-transparent.gif

712 ms

16.28fe63881b71d4c5ee4e.js

16.28fe63881b71d4c5ee4e.js

56 ms

common.js

common.js

32 ms

map.js

map.js

54 ms

util.js

util.js

89 ms

geocoder.js

geocoder.js

53 ms

VNKM2171-170x150-ffffff.jpg

VNKM2171-170x150-ffffff.jpg

172 ms

VNKL8004-170x150-ffffff.jpg

VNKL8004-170x150-ffffff.jpg

262 ms

VNKL8001-170x150-ffffff.jpg

VNKL8001-170x150-ffffff.jpg

261 ms

VNKL7920-170x150-ffffff.jpg

VNKL7920-170x150-ffffff.jpg

262 ms

VNKL3110-170x150-ffffff.jpg

VNKL3110-170x150-ffffff.jpg

270 ms

onion.js

onion.js

20 ms

openhand_8_8.cur

openhand_8_8.cur

42 ms

AuthenticationService.Authenticate

AuthenticationService.Authenticate

132 ms

GeocodeService.Search

GeocodeService.Search

95 ms

marker.js

marker.js

12 ms

controls.js

controls.js

18 ms

stats.js

stats.js

13 ms

ViewportInfoService.GetViewportInfo

ViewportInfoService.GetViewportInfo

66 ms

StaticMapService.GetMapImage

StaticMapService.GetMapImage

61 ms

transparent.png

transparent.png

35 ms

css

css

41 ms

google4.png

google4.png

24 ms

mapcnt6.png

mapcnt6.png

21 ms

sv5.png

sv5.png

22 ms

spotlight-poi.png

spotlight-poi.png

21 ms

infowindow.js

infowindow.js

11 ms

vt

vt

39 ms

vt

vt

21 ms

Accessibility Review

holzem.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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Form elements do not have associated labels

Best Practices

holzem.nl best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

holzem.nl SEO score

62

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

High

Page is blocked from indexing

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Holzem.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Holzem.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

holzem.nl

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