Tools & Wizards About Us
steenhuis-sloopwerken.nl screenshot

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

steenhuis-sloopwerken.nl

Duurzaam & veilig slopen & saneren - Steenhuis Sloopwerken

Page Load Speed

7 sec in total

First Response

2.9 sec

Resources Loaded

3.9 sec

Page Rendered

188 ms

steenhuis-sloopwerken.nl screenshot

About Website

Visit steenhuis-sloopwerken.nl now to see the best up-to-date Steenhuis Sloopwerken content and also check out these interesting facts you probably never knew about steenhuis-sloopwerken.nl

Alles onder 1 dak in sloopwerk, asbestsanering & bodemsanering | Alle certificeringen voor duurzaam, veilig, milieukundig en CO2-bewust slopen en saneren

Visit steenhuis-sloopwerken.nl

Key Findings

We analyzed Steenhuis-sloopwerken.nl page load time and found that the first response time was 2.9 sec and then it took 4.1 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

steenhuis-sloopwerken.nl performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value10.2 s

0/100

25%

SI (Speed Index)

Value12.0 s

4/100

10%

TBT (Total Blocking Time)

Value1,670 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.496

16/100

15%

TTI (Time to Interactive)

Value20.6 s

2/100

10%

Network Requests Diagram

steenhuis-sloopwerken.nl

2855 ms

mootools-core.js

285 ms

core.js

198 ms

caption.js

207 ms

mootools-more.js

608 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that all of those requests were addressed to Steenhuis-sloopwerken.nl and no external sources were called. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Steenhuis-sloopwerken.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 267.5 kB (38%)

Content Size

696.5 kB

After Optimization

429.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Steenhuis-sloopwerken.nl main page is 696.5 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Javascripts take 340.2 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 8.5 kB

  • Original 11.1 kB
  • After minification 10.4 kB
  • After compression 2.6 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 8.5 kB or 76% of the original size.

Image Optimization

-4%

Potential reduce by 11.9 kB

  • Original 338.1 kB
  • After minification 326.2 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. Steenhuis Sloopwerken images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 241.6 kB

  • Original 340.2 kB
  • After minification 335.0 kB
  • After compression 98.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 241.6 kB or 71% of the original size.

CSS Optimization

-78%

Potential reduce by 5.5 kB

  • Original 7.0 kB
  • After minification 5.2 kB
  • After compression 1.5 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. Steenhuis-sloopwerken.nl needs all CSS files to be minified and compressed as it can save up to 5.5 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (27%)

Requests Now

15

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Steenhuis Sloopwerken. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

steenhuis-sloopwerken.nl

steenhuis-sloopwerken.nl

2855 ms

mootools-core.js

mootools-core.js

285 ms

core.js

core.js

198 ms

caption.js

caption.js

207 ms

mootools-more.js

mootools-more.js

608 ms

template.css

template.css

215 ms

template.js

template.js

207 ms

banner_sloopwerkenbv.jpg

banner_sloopwerkenbv.jpg

130 ms

back.jpg

back.jpg

132 ms

s_vp_sloop.jpg

s_vp_sloop.jpg

393 ms

s_vp_asbest.jpg

s_vp_asbest.jpg

306 ms

s_vp_bouwmat.jpg

s_vp_bouwmat.jpg

402 ms

s_vp_verhuur.jpg

s_vp_verhuur.jpg

314 ms

s_vp_actueel.jpg

s_vp_actueel.jpg

312 ms

voorklein.jpg

voorklein.jpg

234 ms

key.png

key.png

340 ms

Accessibility Review

steenhuis-sloopwerken.nl accessibility score

74

Accessibility Issues

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

Buttons do not have an accessible name

High

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

steenhuis-sloopwerken.nl best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

steenhuis-sloopwerken.nl SEO score

83

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

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 Steenhuis-sloopwerken.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 Steenhuis-sloopwerken.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

steenhuis-sloopwerken.nl

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