Tools & Wizards About Us
stertekt.com screenshot

Report Summary

  • 56

    Performance

    Renders faster than
    72% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

stertekt.com

Stertekt, akoestische thermische oplossingen - Stertekt

Page Load Speed

3.6 sec in total

First Response

270 ms

Resources Loaded

2.7 sec

Page Rendered

584 ms

stertekt.com screenshot

About Website

Click here to check amazing Stertekt content. Otherwise, check out these important facts you probably never knew about stertekt.com

Stertekt’s grote verscheidenheid aan producten biedt architecten, aannemers, afbouwers en a

Visit stertekt.com

Key Findings

We analyzed Stertekt.com page load time and found that the first response time was 270 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

stertekt.com performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value6.9 s

34/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.075

95/100

15%

TTI (Time to Interactive)

Value6.1 s

63/100

10%

Network Requests Diagram

stertekt.com

270 ms

stertekt.com

639 ms

stertekt.nl

753 ms

css_91c4b835504c35fa2f20129340260135_1706013593.css

181 ms

dfd8prz.css

130 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Stertekt.com, 70% (28 requests) were made to Stertekt.nl and 23% (9 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (863 ms) relates to the external source Stertekt.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 359.7 kB (9%)

Content Size

4.2 MB

After Optimization

3.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Stertekt.com main page is 4.2 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. 45% of websites need less resources to load. Images take 3.9 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 36.5 kB

  • Original 49.1 kB
  • After minification 38.3 kB
  • After compression 12.6 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. This page needs HTML code to be minified as it can gain 10.8 kB, which is 22% 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 36.5 kB or 74% of the original size.

Image Optimization

-7%

Potential reduce by 288.6 kB

  • Original 3.9 MB
  • After minification 3.6 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. Stertekt images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 23.5 kB

  • Original 142.0 kB
  • After minification 142.0 kB
  • After compression 118.6 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 23.5 kB or 17% of the original size.

CSS Optimization

-21%

Potential reduce by 11.2 kB

  • Original 52.4 kB
  • After minification 52.4 kB
  • After compression 41.2 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. Stertekt.com needs all CSS files to be minified and compressed as it can save up to 11.2 kB or 21% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

27

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stertekt. According to our analytics all requests are already optimized.

Network Requests Diagram

stertekt.com

stertekt.com

270 ms

stertekt.com

stertekt.com

639 ms

stertekt.nl

stertekt.nl

753 ms

css_91c4b835504c35fa2f20129340260135_1706013593.css

css_91c4b835504c35fa2f20129340260135_1706013593.css

181 ms

dfd8prz.css

dfd8prz.css

130 ms

js_5da495699985c07cd7d7e33b6e5e529c_1706013717.js

js_5da495699985c07cd7d7e33b6e5e529c_1706013717.js

521 ms

locale.js

locale.js

284 ms

logo-stertekt.jpg

logo-stertekt.jpg

356 ms

logo-stertekt-diap.svg

logo-stertekt-diap.svg

285 ms

84d7e97aaa7141141338b5450c4d4187_18ff4b_akoestiek.png

84d7e97aaa7141141338b5450c4d4187_18ff4b_akoestiek.png

365 ms

84d7e97aaa7141141338b5450c4d4187_afe77f_isolatie.png

84d7e97aaa7141141338b5450c4d4187_afe77f_isolatie.png

284 ms

84d7e97aaa7141141338b5450c4d4187_a9e31d_brandveiligheid.png

84d7e97aaa7141141338b5450c4d4187_a9e31d_brandveiligheid.png

532 ms

0b2d5675a526a9d0697c8e64b35aff86_36f11d_Rectangle7.png

0b2d5675a526a9d0697c8e64b35aff86_36f11d_Rectangle7.png

710 ms

b463d2d71aa6f090b3a88785e8b9d28a_a5a04f_AppartementenVIK1_Sterte.jpg

b463d2d71aa6f090b3a88785e8b9d28a_a5a04f_AppartementenVIK1_Sterte.jpg

548 ms

b463d2d71aa6f090b3a88785e8b9d28a_31a088_KunsthumanioraHasselt3.jpg

b463d2d71aa6f090b3a88785e8b9d28a_31a088_KunsthumanioraHasselt3.jpg

620 ms

d7ffd76848e1c83191bd4099e9a7a961_6274ae_WebsitecombilogoFSCPEFCK.jpg

d7ffd76848e1c83191bd4099e9a7a961_6274ae_WebsitecombilogoFSCPEFCK.jpg

461 ms

d7ffd76848e1c83191bd4099e9a7a961_d4d059_ISSOlogo.jpg

d7ffd76848e1c83191bd4099e9a7a961_d4d059_ISSOlogo.jpg

556 ms

d7ffd76848e1c83191bd4099e9a7a961_2c15b9_LogobCRGRGB-VIERKENTzond.jpg

d7ffd76848e1c83191bd4099e9a7a961_2c15b9_LogobCRGRGB-VIERKENTzond.jpg

611 ms

d7ffd76848e1c83191bd4099e9a7a961_34c29a_logo.png

d7ffd76848e1c83191bd4099e9a7a961_34c29a_logo.png

625 ms

p.css

p.css

22 ms

9c8024765aa04c633ccfe0221e71abd4_cb2ff9_StertektMavroMaxmetTrold.jpg

9c8024765aa04c633ccfe0221e71abd4_cb2ff9_StertektMavroMaxmetTrold.jpg

624 ms

0ea415e63c8742aeeca25c51dfd8b1e3_91d13b_StertektMLROCKwitT2KLEIN.jpg

0ea415e63c8742aeeca25c51dfd8b1e3_91d13b_StertektMLROCKwitT2KLEIN.jpg

632 ms

648a88c823831adfe7df5a664b4446de_4948ee_StertektMavroMaxT2KLEINV.jpg

648a88c823831adfe7df5a664b4446de_4948ee_StertektMavroMaxT2KLEINV.jpg

592 ms

ffd8f2b3d5c0597732d715cee8d22b69_f3eb9b_Troldtekt-STSHM-3Dmodel-.jpg

ffd8f2b3d5c0597732d715cee8d22b69_f3eb9b_Troldtekt-STSHM-3Dmodel-.jpg

514 ms

20d0d1ba5a4a6750f57378476d3d645e_0dcb7b_Rectangle7.png

20d0d1ba5a4a6750f57378476d3d645e_0dcb7b_Rectangle7.png

863 ms

38f9660514754f9a40f8c7e9d486df78_909781_RenderbinnenkantKerckebo.JPG

38f9660514754f9a40f8c7e9d486df78_909781_RenderbinnenkantKerckebo.JPG

606 ms

ab1bd0e99dfc1335cbdb99e0e125b7c2_e3a223_Kunsthumaniora_buitenzij.jpg

ab1bd0e99dfc1335cbdb99e0e125b7c2_e3a223_Kunsthumaniora_buitenzij.jpg

694 ms

ab1bd0e99dfc1335cbdb99e0e125b7c2_bb0e39_HoofdkantoorCampgemini04.JPG

ab1bd0e99dfc1335cbdb99e0e125b7c2_bb0e39_HoofdkantoorCampgemini04.JPG

769 ms

ab1bd0e99dfc1335cbdb99e0e125b7c2_9bbec3_VirgaJesseCollege-Buiten.jpg

ab1bd0e99dfc1335cbdb99e0e125b7c2_9bbec3_VirgaJesseCollege-Buiten.jpg

697 ms

98a3824e0275b4dda9d19eb894b4f53b_bcf8df_Rectangle7.png

98a3824e0275b4dda9d19eb894b4f53b_bcf8df_Rectangle7.png

715 ms

d

d

4 ms

d

d

13 ms

d

d

13 ms

d

d

15 ms

fa-solid-900.woff

fa-solid-900.woff

639 ms

fa-regular-400.woff

fa-regular-400.woff

696 ms

d

d

27 ms

d

d

26 ms

d

d

26 ms

d

d

15 ms

Accessibility Review

stertekt.com accessibility score

90

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

Links do not have a discernible name

Best Practices

stertekt.com 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

SEO Factors

stertekt.com SEO score

91

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

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 Stertekt.com 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 Stertekt.com 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

stertekt.com

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