Tools & Wizards About Us
dekruipruimte-isolatiespecialist.nl screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

dekruipruimte-isolatiespecialist.nl

Isolatiebedrijf | #1 in Isoleren | Isolatiespecialist

Page Load Speed

4.4 sec in total

First Response

482 ms

Resources Loaded

3.4 sec

Page Rendered

479 ms

dekruipruimte-isolatiespecialist.nl screenshot

About Website

Welcome to dekruipruimte-isolatiespecialist.nl homepage info - get ready to check Dekruipruimte Isolatiespecialist best content right away, or after learning these important things about dekruipruimte-isolatiespecialist.nl

Isolatie bedrijf | Isolatiespecialist | ✅ Voor het gehele pand mogelijk | ✅ Een 8.9 klantscore | ✅ Subsidie mogelijk | Vraag nu advies aan!

Visit dekruipruimte-isolatiespecialist.nl

Key Findings

We analyzed Dekruipruimte-isolatiespecialist.nl page load time and found that the first response time was 482 ms and then it took 3.9 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

dekruipruimte-isolatiespecialist.nl performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

48/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

34/100

25%

SI (Speed Index)

Value9.0 s

14/100

10%

TBT (Total Blocking Time)

Value1,580 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value16.9 s

5/100

10%

Network Requests Diagram

dekruipruimte-isolatiespecialist.nl

482 ms

www.isolatiespecialist.nl

728 ms

bootstrap.min.css

64 ms

style.css

55 ms

style.min.css

78 ms

Our browser made a total of 115 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Dekruipruimte-isolatiespecialist.nl, 53% (61 requests) were made to Isolatiespecialist.nl and 16% (18 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Track.adform.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 336.6 kB (16%)

Content Size

2.0 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dekruipruimte-isolatiespecialist.nl main page is 2.0 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. Only a small number of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 164.2 kB

  • Original 205.8 kB
  • After minification 197.3 kB
  • After compression 41.5 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 164.2 kB or 80% of the original size.

Image Optimization

-5%

Potential reduce by 77.2 kB

  • Original 1.4 MB
  • After minification 1.4 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. Dekruipruimte Isolatiespecialist images are well optimized though.

JavaScript Optimization

-27%

Potential reduce by 95.2 kB

  • Original 349.9 kB
  • After minification 349.9 kB
  • After compression 254.8 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 95.2 kB or 27% of the original size.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 58.7 kB
  • After minification 58.7 kB
  • After compression 58.7 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. Dekruipruimte-isolatiespecialist.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 84 (82%)

Requests Now

102

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 102 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dekruipruimte Isolatiespecialist. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 49 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dekruipruimte-isolatiespecialist.nl

dekruipruimte-isolatiespecialist.nl

482 ms

www.isolatiespecialist.nl

www.isolatiespecialist.nl

728 ms

bootstrap.min.css

bootstrap.min.css

64 ms

style.css

style.css

55 ms

style.min.css

style.min.css

78 ms

jquery.min.js

jquery.min.js

24 ms

bootstrap.bundle.min.js

bootstrap.bundle.min.js

99 ms

script.min.js

script.min.js

111 ms

isolatiespecialist.stackbase.nl

isolatiespecialist.stackbase.nl

785 ms

basic.min.css

basic.min.css

95 ms

theme-ie11.min.css

theme-ie11.min.css

93 ms

theme.min.css

theme.min.css

98 ms

dashicons.min.css

dashicons.min.css

96 ms

all.css

all.css

162 ms

animate.css

animate.css

107 ms

slick.css

slick.css

163 ms

slick-theme.css

slick-theme.css

216 ms

fancybox.css

fancybox.css

157 ms

fancybox.umd.js

fancybox.umd.js

215 ms

navigation.js

navigation.js

159 ms

scripts.js

scripts.js

159 ms

confetti.min.js

confetti.min.js

162 ms

menu.js

menu.js

216 ms

slick.min.js

slick.min.js

216 ms

jej_postcode_api_call.js

jej_postcode_api_call.js

218 ms

lazysizes.min.js

lazysizes.min.js

217 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

218 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

293 ms

wp-polyfill.min.js

wp-polyfill.min.js

294 ms

dom-ready.min.js

dom-ready.min.js

294 ms

hooks.min.js

hooks.min.js

295 ms

i18n.min.js

i18n.min.js

298 ms

a11y.min.js

a11y.min.js

295 ms

jquery.json.min.js

jquery.json.min.js

296 ms

gravityforms.min.js

gravityforms.min.js

294 ms

conditional_logic.min.js

conditional_logic.min.js

363 ms

placeholders.jquery.min.js

placeholders.jquery.min.js

297 ms

utils.min.js

utils.min.js

362 ms

vendor-theme.min.js

vendor-theme.min.js

362 ms

scripts-theme.min.js

scripts-theme.min.js

362 ms

moxie.min.js

moxie.min.js

377 ms

plupload.min.js

plupload.min.js

361 ms

lazyload.min.js

lazyload.min.js

406 ms

gtm.js

gtm.js

204 ms

hotjar-2686826.js

hotjar-2686826.js

209 ms

fbevents.js

fbevents.js

101 ms

all.css

all.css

526 ms

chevron-right.svg

chevron-right.svg

327 ms

kv_shape.svg

kv_shape.svg

335 ms

Raleway-VariableFont_wght.ttf

Raleway-VariableFont_wght.ttf

572 ms

modules.404c8789d11e259a4872.js

modules.404c8789d11e259a4872.js

74 ms

js

js

89 ms

destination

destination

172 ms

5fb7e59e-94e6-4363-acfc-b3524b876506.js

5fb7e59e-94e6-4363-acfc-b3524b876506.js

314 ms

insight.min.js

insight.min.js

65 ms

hotjar-161291.js

hotjar-161291.js

245 ms

trackpoint-async.js

trackpoint-async.js

331 ms

54c7293f-67da-4642-b2f5-a2d36025abcb.js

54c7293f-67da-4642-b2f5-a2d36025abcb.js

1095 ms

analytics.js

analytics.js

122 ms

insight_tag_errors.gif

insight_tag_errors.gif

485 ms

collect

collect

102 ms

bootstrap.min.css

bootstrap.min.css

210 ms

collect

collect

805 ms

js

js

205 ms

fa-solid-900.woff

fa-solid-900.woff

217 ms

fa-regular-400.woff

fa-regular-400.woff

766 ms

fa-light-300.woff

fa-light-300.woff

814 ms

fa-thin-100.woff

fa-thin-100.woff

793 ms

fa-brands-400.woff

fa-brands-400.woff

204 ms

collect

collect

196 ms

collect

collect

38 ms

collect

collect

592 ms

collect

collect

592 ms

collect

collect

625 ms

collect

collect

625 ms

collect

collect

624 ms

collect

collect

607 ms

collect

collect

624 ms

collect

collect

624 ms

collect

collect

624 ms

collect

collect

648 ms

collect

collect

648 ms

collect

collect

648 ms

collect

collect

647 ms

collect

collect

647 ms

1180 ms

Landkaart-Goed-1.png

Landkaart-Goed-1.png

676 ms

aanvraag.png

aanvraag.png

757 ms

advies.png

advies.png

721 ms

uitvoering.png

uitvoering.png

1168 ms

MMK-2T8A8795-HR-1024x683.jpg

MMK-2T8A8795-HR-1024x683.jpg

1163 ms

stap-1-bespaarcheck.png

stap-1-bespaarcheck.png

764 ms

Nieuwe-foto-Natuurvriendelijk-isoleren-2.png

Nieuwe-foto-Natuurvriendelijk-isoleren-2.png

741 ms

beter-voor-de-wereld.png

beter-voor-de-wereld.png

1168 ms

klembord-3-e1680090412604.png

klembord-3-e1680090412604.png

829 ms

venin-isolatie.png

venin-isolatie.png

1166 ms

SKG-IKOB-_5__KOMO_proces-small.png

SKG-IKOB-_5__KOMO_proces-small.png

1166 ms

Insula_Keurmerk_300-2.png

Insula_Keurmerk_300-2.png

1167 ms

Veiligheidsladder-SCL-trede-3-375x242-1-300x194.png

Veiligheidsladder-SCL-trede-3-375x242-1-300x194.png

1164 ms

gogNja4nFNY

gogNja4nFNY

499 ms

iframe_api

iframe_api

591 ms

gogNja4nFNY

gogNja4nFNY

207 ms

ga-audiences

ga-audiences

141 ms

www-widgetapi.js

www-widgetapi.js

13 ms

www-player.css

www-player.css

15 ms

www-embed-player.js

www-embed-player.js

37 ms

base.js

base.js

74 ms

ad_status.js

ad_status.js

215 ms

9Z66e_kIUHiT36NNaH3ECtVnZbQwRKz1JAady_W2534.js

9Z66e_kIUHiT36NNaH3ECtVnZbQwRKz1JAady_W2534.js

115 ms

embed.js

embed.js

60 ms

164 ms

all.css

all.css

149 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

143 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

145 ms

id

id

23 ms

Accessibility Review

dekruipruimte-isolatiespecialist.nl accessibility score

89

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

dekruipruimte-isolatiespecialist.nl best practices score

75

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

dekruipruimte-isolatiespecialist.nl SEO score

93

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

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 Dekruipruimte-isolatiespecialist.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 Dekruipruimte-isolatiespecialist.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

dekruipruimte-isolatiespecialist.nl

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