Tools & Wizards About Us
oosterberg.nl screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

oosterberg.nl

Koninklijke Oosterberg - Brengt je verder

Page Load Speed

4.5 sec in total

First Response

390 ms

Resources Loaded

3.9 sec

Page Rendered

283 ms

oosterberg.nl screenshot

About Website

Welcome to oosterberg.nl homepage info - get ready to check Oosterberg best content for Netherlands right away, or after learning these important things about oosterberg.nl

Koninklijke Oosterberg is een succesvolle en snel groeiende, ISO-gecertificeerde elektrotechnische groothandel met bijna 300 medewerkers en 20 vestigingen verspreid over heel Nederland; een hoofdkanto...

Visit oosterberg.nl

Key Findings

We analyzed Oosterberg.nl page load time and found that the first response time was 390 ms and then it took 4.2 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

oosterberg.nl performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value10.5 s

0/100

25%

SI (Speed Index)

Value9.3 s

13/100

10%

TBT (Total Blocking Time)

Value950 ms

29/100

30%

CLS (Cumulative Layout Shift)

Value0.477

18/100

15%

TTI (Time to Interactive)

Value10.6 s

23/100

10%

Network Requests Diagram

oosterberg.nl

390 ms

www.oosterberg.nl

613 ms

aios_questions.css

96 ms

font-awesome.min.css

192 ms

swipebox.min.css

276 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 97% of them (57 requests) were addressed to the original Oosterberg.nl, 2% (1 request) were made to Googletagmanager.com and 2% (1 request) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Oosterberg.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 200.9 kB (7%)

Content Size

2.7 MB

After Optimization

2.5 MB

  • HTML
  • Images

In fact, the total size of Oosterberg.nl main page is 2.7 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. 50% of websites need less resources to load. Images take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 49.0 kB

  • Original 60.0 kB
  • After minification 57.4 kB
  • After compression 11.0 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 49.0 kB or 82% of the original size.

Image Optimization

-6%

Potential reduce by 151.9 kB

  • Original 2.6 MB
  • After minification 2.5 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. Oosterberg images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 26 (47%)

Requests Now

55

After Optimization

29

  • Images
  • JavaScript
  • CSS

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oosterberg. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

oosterberg.nl

oosterberg.nl

390 ms

www.oosterberg.nl

www.oosterberg.nl

613 ms

aios_questions.css

aios_questions.css

96 ms

font-awesome.min.css

font-awesome.min.css

192 ms

swipebox.min.css

swipebox.min.css

276 ms

owl.carousel.css

owl.carousel.css

276 ms

style.css

style.css

282 ms

bootstrap.min.css

bootstrap.min.css

284 ms

extra.css

extra.css

288 ms

navbar-static-top.css

navbar-static-top.css

288 ms

gravity-forms-overrule.css

gravity-forms-overrule.css

367 ms

font-awesome.min.css

font-awesome.min.css

368 ms

jquery.min.js

jquery.min.js

471 ms

jquery.swipebox.min.js

jquery.swipebox.min.js

378 ms

underscore.min.js

underscore.min.js

382 ms

infinite-scroll.pkgd.min.js

infinite-scroll.pkgd.min.js

380 ms

front.js

front.js

458 ms

custom.js

custom.js

459 ms

aios_questions.js

aios_questions.js

560 ms

jquery-ui.js

jquery-ui.js

664 ms

owl.carousel.min.js

owl.carousel.min.js

560 ms

bootstrap.min.js

bootstrap.min.js

563 ms

jquery.focuspoint.min.js

jquery.focuspoint.min.js

563 ms

jquery.matchHeight-min.js

jquery.matchHeight-min.js

566 ms

ie10-viewport-bug-workaround.js

ie10-viewport-bug-workaround.js

574 ms

jquery.fitvids.js

jquery.fitvids.js

574 ms

smoothscroll-min.js

smoothscroll-min.js

655 ms

touch-dropdown.js

touch-dropdown.js

655 ms

extra.js

extra.js

657 ms

gtm.js

gtm.js

139 ms

oosterberg-logo.png

oosterberg-logo.png

221 ms

Groen-Licht-2000x300px-banner.jpg

Groen-Licht-2000x300px-banner.jpg

221 ms

Banner-Circolektra-2000x300px-schakelmateriaal-3.jpg

Banner-Circolektra-2000x300px-schakelmateriaal-3.jpg

422 ms

Banner-Afhaalpunten-BMN-2000x300px-algemeen_2000x300_acf_cropped.jpg

Banner-Afhaalpunten-BMN-2000x300px-algemeen_2000x300_acf_cropped.jpg

604 ms

ooPAS_2746-2000x300px-2_2000x300_acf_cropped-2.jpg

ooPAS_2746-2000x300px-2_2000x300_acf_cropped-2.jpg

716 ms

Onze-vestigingen_2000x300_acf_cropped.jpg

Onze-vestigingen_2000x300_acf_cropped.jpg

350 ms

elektrotechniek-e1476169285995.png

elektrotechniek-e1476169285995.png

277 ms

duurzaam-e1476169267758.png

duurzaam-e1476169267758.png

277 ms

industrie-e1476169179783.png

industrie-e1476169179783.png

351 ms

onze_oplossingen-e1476169403297.png

onze_oplossingen-e1476169403297.png

357 ms

Oosterberg_nieuws-e1476169452477.png

Oosterberg_nieuws-e1476169452477.png

444 ms

onze_projecten-e1476169419501.png

onze_projecten-e1476169419501.png

446 ms

Kennisplein-1.png

Kennisplein-1.png

452 ms

ik_wil_advies-e1476169148661.png

ik_wil_advies-e1476169148661.png

513 ms

check.png

check.png

539 ms

Hager_Logo_533px_sRGB_blue-1.jpg

Hager_Logo_533px_sRGB_blue-1.jpg

540 ms

ABB_logo.jpg

ABB_logo.jpg

547 ms

PEHA_House-Brand_CMYK_631_1-31-17.png

PEHA_House-Brand_CMYK_631_1-31-17.png

606 ms

Philips.png

Philips.png

633 ms

Dynamic-Cable-blauw-blauw.png

Dynamic-Cable-blauw-blauw.png

635 ms

Niko_zwart.jpg.jpg

Niko_zwart.jpg.jpg

642 ms

Schneider-Logo-SE-green-P355C.jpg

Schneider-Logo-SE-green-P355C.jpg

787 ms

Opple-Logo.jpg

Opple-Logo.jpg

1149 ms

Logo-Itho.jpg

Logo-Itho.jpg

729 ms

Theben_Logo_Claim_4c.png

Theben_Logo_Claim_4c.png

678 ms

Oosterberg-brengt-je-verder.png

Oosterberg-brengt-je-verder.png

781 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

40 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

758 ms

Oosterberg-brengt-je-verder-mobiel.png

Oosterberg-brengt-je-verder-mobiel.png

778 ms

Accessibility Review

oosterberg.nl accessibility score

80

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.

Best Practices

oosterberg.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

oosterberg.nl SEO score

91

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Oosterberg.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it does not match the claimed English language. Our system also found out that Oosterberg.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

oosterberg.nl

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