Tools & Wizards About Us
isolatie-info.nl screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

isolatie-info.nl

Isolatie: Kosten, advies & tips woning isoleren (Gids 2024)

Page Load Speed

5.7 sec in total

First Response

671 ms

Resources Loaded

4.4 sec

Page Rendered

586 ms

isolatie-info.nl screenshot

About Website

Click here to check amazing Isolatie Info content for Netherlands. Otherwise, check out these important facts you probably never knew about isolatie-info.nl

Op isolatie-info.nl kom je alles te weten over de soorten isolatie, de kosten, subsidies, isolatiematerialen & nuttige tips over isoleren.

Visit isolatie-info.nl

Key Findings

We analyzed Isolatie-info.nl page load time and found that the first response time was 671 ms and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

isolatie-info.nl performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

47/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value1,200 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0.058

98/100

15%

TTI (Time to Interactive)

Value9.5 s

30/100

10%

Network Requests Diagram

www.isolatie-info.nl

671 ms

autoptimize_ab6db76a9230a1bdd68c9ffe86c7a825.css

87 ms

show_ads.js

6 ms

css

25 ms

jquery-1.9.0.js

7 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 33% of them (14 requests) were addressed to the original Isolatie-info.nl, 12% (5 requests) were made to Pagead2.googlesyndication.com and 9% (4 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Old.solvari.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 354.8 kB (41%)

Content Size

862.7 kB

After Optimization

507.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Isolatie-info.nl main page is 862.7 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. 50% of websites need less resources to load. Javascripts take 421.7 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 24.7 kB

  • Original 31.5 kB
  • After minification 28.0 kB
  • After compression 6.8 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 3.5 kB, which is 11% 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 24.7 kB or 78% of the original size.

Image Optimization

-8%

Potential reduce by 29.3 kB

  • Original 384.4 kB
  • After minification 355.1 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. Isolatie Info images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 280.0 kB

  • Original 421.7 kB
  • After minification 412.2 kB
  • After compression 141.8 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 280.0 kB or 66% of the original size.

CSS Optimization

-83%

Potential reduce by 20.8 kB

  • Original 25.0 kB
  • After minification 24.9 kB
  • After compression 4.2 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. Isolatie-info.nl needs all CSS files to be minified and compressed as it can save up to 20.8 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (32%)

Requests Now

37

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Isolatie Info. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.isolatie-info.nl

www.isolatie-info.nl

671 ms

autoptimize_ab6db76a9230a1bdd68c9ffe86c7a825.css

autoptimize_ab6db76a9230a1bdd68c9ffe86c7a825.css

87 ms

show_ads.js

show_ads.js

6 ms

css

css

25 ms

jquery-1.9.0.js

jquery-1.9.0.js

7 ms

autoptimize_8c95c2e6d10a148f3fa0b91d8c1a0dc6.js

autoptimize_8c95c2e6d10a148f3fa0b91d8c1a0dc6.js

433 ms

analytics.js

analytics.js

50 ms

ca-pub-4578887391061874.js

ca-pub-4578887391061874.js

91 ms

zrt_lookup.html

zrt_lookup.html

155 ms

show_ads_impl.js

show_ads_impl.js

87 ms

info_menu.png

info_menu.png

134 ms

www.isolatie-info.nl

www.isolatie-info.nl

353 ms

isolatie-banner.png

isolatie-banner.png

901 ms

nav_mob.png

nav_mob.png

283 ms

milieuvriendelijke-isolatie.jpg

milieuvriendelijke-isolatie.jpg

353 ms

isolatiemateriaal.jpg

isolatiemateriaal.jpg

297 ms

besparing-isolatie.jpg

besparing-isolatie.jpg

372 ms

epc-verslag.jpg

epc-verslag.jpg

429 ms

spouwmuurisolatie-plaatsen.jpg

spouwmuurisolatie-plaatsen.jpg

657 ms

isolatie-offerte.jpg

isolatie-offerte.jpg

658 ms

collect

collect

90 ms

cJZKeOuBrn4kERxqtaUH3T8E0i7KZn-EPnyo3HZu7kw.woff

cJZKeOuBrn4kERxqtaUH3T8E0i7KZn-EPnyo3HZu7kw.woff

71 ms

ads

ads

248 ms

osd.js

osd.js

21 ms

d2cd866057

d2cd866057

779 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

118 ms

m_js_controller.js

m_js_controller.js

18 ms

abg.js

abg.js

34 ms

favicon

favicon

266 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

264 ms

nessie_icon_tiamat_white.png

nessie_icon_tiamat_white.png

43 ms

s

s

28 ms

x_button_blue2.png

x_button_blue2.png

236 ms

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

3 ms

d2cd866057

d2cd866057

390 ms

245 ms

262 ms

gtm.js

gtm.js

43 ms

HelveticaNeue.ttf

HelveticaNeue.ttf

1208 ms

collect

collect

12 ms

logo.png

logo.png

581 ms

logo.png

logo.png

408 ms

logo.png

logo.png

274 ms

Accessibility Review

isolatie-info.nl accessibility score

91

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

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

isolatie-info.nl best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

isolatie-info.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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Isolatie-info.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 Isolatie-info.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

isolatie-info.nl

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