Tools & Wizards About Us
lubron.nl screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

lubron.nl

Technisch werk en personeel in Oost-Nederland / Achterhoek | Lubron Technical Services

Page Load Speed

4 sec in total

First Response

386 ms

Resources Loaded

3.3 sec

Page Rendered

290 ms

lubron.nl screenshot

About Website

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

Lubron Technical Services is intermediair in de techniek in Oost Nederland / Achterhoek. Technisch werk, vacatures en personeel. Bekijk vacatures en solliciteer direct!

Visit lubron.nl

Key Findings

We analyzed Lubron.nl page load time and found that the first response time was 386 ms and then it took 3.6 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

lubron.nl performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value11.5 s

0/100

25%

SI (Speed Index)

Value6.9 s

33/100

10%

TBT (Total Blocking Time)

Value420 ms

65/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.0 s

33/100

10%

Network Requests Diagram

lubron.nl

386 ms

lubron.nl

451 ms

bootstrap.min.css

190 ms

font-awesome.css

276 ms

bootstrap.min.css

376 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 93% of them (77 requests) were addressed to the original Lubron.nl, 2% (2 requests) were made to Googletagmanager.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Lubron.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 97.1 kB (2%)

Content Size

5.7 MB

After Optimization

5.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lubron.nl main page is 5.7 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. 55% of websites need less resources to load. Images take 5.2 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 31.2 kB

  • Original 38.3 kB
  • After minification 33.9 kB
  • After compression 7.2 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 4.4 kB, which is 12% 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 31.2 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 9.2 kB

  • Original 5.2 MB
  • After minification 5.2 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. Lubron images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 41.2 kB

  • Original 373.1 kB
  • After minification 362.9 kB
  • After compression 331.9 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 41.2 kB or 11% of the original size.

CSS Optimization

-12%

Potential reduce by 15.5 kB

  • Original 129.8 kB
  • After minification 129.1 kB
  • After compression 114.3 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. Lubron.nl needs all CSS files to be minified and compressed as it can save up to 15.5 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 57 (76%)

Requests Now

75

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lubron. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 26 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

lubron.nl

lubron.nl

386 ms

lubron.nl

lubron.nl

451 ms

bootstrap.min.css

bootstrap.min.css

190 ms

font-awesome.css

font-awesome.css

276 ms

bootstrap.min.css

bootstrap.min.css

376 ms

style.css

style.css

283 ms

header-default.css

header-default.css

285 ms

footer-v1.css

footer-v1.css

291 ms

animate.css

animate.css

293 ms

line-icons.css

line-icons.css

366 ms

lubron-blue.css

lubron-blue.css

382 ms

custom.css

custom.css

381 ms

jquery-ui.min.css

jquery-ui.min.css

387 ms

jquery-ui.theme.min.css

jquery-ui.theme.min.css

390 ms

masterslider.css

masterslider.css

457 ms

bootstrap-datetimepicker.min.css

bootstrap-datetimepicker.min.css

469 ms

video-js.min.css

video-js.min.css

469 ms

open_sans-300-400-600-700-800.css

open_sans-300-400-600-700-800.css

471 ms

sweetalert2.css

sweetalert2.css

483 ms

lubronnl.css

lubronnl.css

489 ms

jquery-2.1.4.min.js

jquery-2.1.4.min.js

641 ms

bootstrap.min.js

bootstrap.min.js

563 ms

jquery-ui.min.js

jquery-ui.min.js

665 ms

moment-with-locales.js

moment-with-locales.js

763 ms

mobile-detect.min.js

mobile-detect.min.js

580 ms

bootstrap-datetimepicker.min.js

bootstrap-datetimepicker.min.js

586 ms

jquery.tablesorter.min.js

jquery.tablesorter.min.js

656 ms

jquery.maskedinput.min.js

jquery.maskedinput.min.js

677 ms

video.js

video.js

785 ms

jquery.ui.touch-punch.min.js

jquery.ui.touch-punch.min.js

731 ms

jquery.dirtyforms.min.js

jquery.dirtyforms.min.js

749 ms

jquery.easing.min.js

jquery.easing.min.js

757 ms

js.cookie.js

js.cookie.js

772 ms

masterslider.js

masterslider.js

923 ms

sweetalert2.min.js

sweetalert2.min.js

843 ms

layout.js

layout.js

850 ms

search.js

search.js

855 ms

js

js

55 ms

back-to-top.js

back-to-top.js

867 ms

smoothScroll.js

smoothScroll.js

693 ms

modernizr.js

modernizr.js

667 ms

ie8.css

ie8.css

665 ms

blocks.css

blocks.css

672 ms

plugins.css

plugins.css

680 ms

app.css

app.css

694 ms

one-theme.css

one-theme.css

653 ms

style-switcher.css

style-switcher.css

657 ms

jquery.cslider.js

jquery.cslider.js

740 ms

owl.carousel.js

owl.carousel.js

742 ms

waypoints.min.js

waypoints.min.js

738 ms

jquery.counterup.min.js

jquery.counterup.min.js

735 ms

custom.js

custom.js

669 ms

app.js

app.js

712 ms

owl-carousel.js

owl-carousel.js

712 ms

parallax-slider.js

parallax-slider.js

712 ms

functions.js

functions.js

699 ms

retina.min.js

retina.min.js

695 ms

logo-lubron.png

logo-lubron.png

132 ms

mobile-home1.jpg

mobile-home1.jpg

473 ms

mobile-home4.jpg

mobile-home4.jpg

1122 ms

mobile-home6.jpg

mobile-home6.jpg

493 ms

mobile-home3.jpg

mobile-home3.jpg

520 ms

mobile-home2.jpg

mobile-home2.jpg

554 ms

mobile-home5.jpg

mobile-home5.jpg

916 ms

mobile-home7.jpg

mobile-home7.jpg

659 ms

werken-bij-lubron-technisch-intermediair-thom-engineers-bouwkracht-vakpersoneel-1024x724.jpg

werken-bij-lubron-technisch-intermediair-thom-engineers-bouwkracht-vakpersoneel-1024x724.jpg

588 ms

Ernst_onze_Lubron_lasser_2022.jpg

Ernst_onze_Lubron_lasser_2022.jpg

617 ms

Wilbert02-1024x576.jpg

Wilbert02-1024x576.jpg

651 ms

134723549-1024x681.jpg

134723549-1024x681.jpg

682 ms

open_sans-400.woff

open_sans-400.woff

654 ms

open_sans-300.woff

open_sans-300.woff

688 ms

open_sans-600.woff

open_sans-600.woff

692 ms

open_sans-700.woff

open_sans-700.woff

715 ms

open_sans-800.woff

open_sans-800.woff

752 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

788 ms

ui-bg_flat_75_ffffff_40x100.png

ui-bg_flat_75_ffffff_40x100.png

718 ms

js

js

46 ms

analytics.js

analytics.js

16 ms

collect

collect

66 ms

collect

collect

28 ms

ga-audiences

ga-audiences

77 ms

font-awesome.css

font-awesome.css

96 ms

print.css

print.css

95 ms

Accessibility Review

lubron.nl accessibility score

90

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

lubron.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

High

Page has valid source maps

SEO Factors

lubron.nl SEO score

89

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 Lubron.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 Lubron.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

lubron.nl

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