Tools & Wizards About Us
bluetrail.nl screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    69% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

bluetrail.nl

BlueTrail | De gaafste zzp interim opdrachten binnen de overheid

Page Load Speed

6.8 sec in total

First Response

275 ms

Resources Loaded

5.3 sec

Page Rendered

1.1 sec

bluetrail.nl screenshot

About Website

Click here to check amazing Blue Trail content for Netherlands. Otherwise, check out these important facts you probably never knew about bluetrail.nl

Wij hebben de zzp opdracht die perfect bij jou past binnen de overheid.

Visit bluetrail.nl

Key Findings

We analyzed Bluetrail.nl page load time and found that the first response time was 275 ms and then it took 6.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

bluetrail.nl performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

29/100

25%

SI (Speed Index)

Value9.0 s

14/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0.093

91/100

15%

TTI (Time to Interactive)

Value10.2 s

25/100

10%

Network Requests Diagram

bluetrail.nl

275 ms

www.bluetrail.nl

1585 ms

style-frontend-pro.css

178 ms

addon-widget-accordion.min.css

267 ms

ysd_countupper.css

272 ms

Our browser made a total of 98 requests to load all elements on the main page. We found that 87% of them (85 requests) were addressed to the original Bluetrail.nl, 4% (4 requests) were made to Cdnjs.cloudflare.com and 4% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Bluetrail.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 167.3 kB (3%)

Content Size

5.2 MB

After Optimization

5.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bluetrail.nl main page is 5.2 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. 60% of websites need less resources to load. Images take 4.8 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 165.8 kB

  • Original 207.7 kB
  • After minification 200.1 kB
  • After compression 42.0 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 165.8 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 38 B

  • Original 4.8 MB
  • After minification 4.8 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. Blue Trail images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 520 B

  • Original 134.9 kB
  • After minification 134.9 kB
  • After compression 134.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 1.0 kB

  • Original 71.1 kB
  • After minification 71.1 kB
  • After compression 70.1 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. Bluetrail.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 63 (69%)

Requests Now

91

After Optimization

28

  • Images
  • JavaScript
  • CSS

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blue Trail. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 21 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bluetrail.nl

bluetrail.nl

275 ms

www.bluetrail.nl

www.bluetrail.nl

1585 ms

style-frontend-pro.css

style-frontend-pro.css

178 ms

addon-widget-accordion.min.css

addon-widget-accordion.min.css

267 ms

ysd_countupper.css

ysd_countupper.css

272 ms

ysd-logo-carousel.css

ysd-logo-carousel.css

272 ms

style.css

style.css

273 ms

magnific-popup.min.css

magnific-popup.min.css

34 ms

ysd-video-popup.css

ysd-video-popup.css

272 ms

ysp-bluetrail-plugin.min.css

ysp-bluetrail-plugin.min.css

276 ms

slick.min.css

slick.min.css

43 ms

ysp-theme.css

ysp-theme.css

355 ms

ysp-animate.min.css

ysp-animate.min.css

361 ms

basic.min.css

basic.min.css

363 ms

theme-ie11.min.css

theme-ie11.min.css

367 ms

theme.min.css

theme.min.css

367 ms

pum-site-styles.css

pum-site-styles.css

448 ms

filter-everything.min.css

filter-everything.min.css

452 ms

c2fa553f1a2874de8d4baeddad9f0901.css

c2fa553f1a2874de8d4baeddad9f0901.css

447 ms

jquery.min.js

jquery.min.js

541 ms

jquery-migrate.min.js

jquery-migrate.min.js

450 ms

addon-widget-accordion.min.js

addon-widget-accordion.min.js

454 ms

ysp-animate.min.js

ysp-animate.min.js

536 ms

9949d9bb37.js

9949d9bb37.js

95 ms

jquery.json.min.js

jquery.json.min.js

536 ms

gravityforms.min.js

gravityforms.min.js

655 ms

utils.min.js

utils.min.js

654 ms

css2

css2

39 ms

css2

css2

52 ms

js

js

65 ms

front_style.css

front_style.css

571 ms

front-end-free.js

front-end-free.js

573 ms

ysd-logo-carousel.js

ysd-logo-carousel.js

574 ms

jquery.magnific-popup.min.js

jquery.magnific-popup.min.js

15 ms

ysd-video-popup.js

ysd-video-popup.js

574 ms

slick.min.js

slick.min.js

21 ms

ysp-theme.min.js

ysp-theme.min.js

575 ms

sticky.min.js

sticky.min.js

575 ms

dom-ready.min.js

dom-ready.min.js

639 ms

hooks.min.js

hooks.min.js

640 ms

i18n.min.js

i18n.min.js

642 ms

a11y.min.js

a11y.min.js

641 ms

placeholders.jquery.min.js

placeholders.jquery.min.js

641 ms

vendor-theme.min.js

vendor-theme.min.js

644 ms

scripts-theme.min.js

scripts-theme.min.js

721 ms

core.min.js

core.min.js

630 ms

pum-site-scripts.js

pum-site-scripts.js

632 ms

mouse.min.js

mouse.min.js

543 ms

slider.min.js

slider.min.js

543 ms

jquery-ui-touch-punch.min.js

jquery-ui-touch-punch.min.js

543 ms

filter-everything.min.js

filter-everything.min.js

623 ms

countUp.js

countUp.js

2135 ms

ysd_countupper.js

ysd_countupper.js

550 ms

css

css

17 ms

person_FILL1_wght400_GRAD0_opsz24.svg

person_FILL1_wght400_GRAD0_opsz24.svg

334 ms

Bluetrail-logo.svg

Bluetrail-logo.svg

336 ms

BT-03-scaled.jpg

BT-03-scaled.jpg

669 ms

Swoosh-headers.svg

Swoosh-headers.svg

404 ms

2-scaled.jpg

2-scaled.jpg

770 ms

3-scaled.jpg

3-scaled.jpg

692 ms

C-leveranciers-scaled.jpg

C-leveranciers-scaled.jpg

699 ms

5-gespiegeld-scaled.jpg

5-gespiegeld-scaled.jpg

759 ms

Swoosh-content-blok-boven-1.svg

Swoosh-content-blok-boven-1.svg

760 ms

Swoosh-content-blok-onder.svg

Swoosh-content-blok-onder.svg

781 ms

GGD-Utrecht.png

GGD-Utrecht.png

797 ms

TNO.png

TNO.png

848 ms

Gemeente-Amsterdam-1.png

Gemeente-Amsterdam-1.png

775 ms

Nova-College.png

Nova-College.png

788 ms

Politie-1.png

Politie-1.png

799 ms

DJI.png

DJI.png

814 ms

Trail-numbers.svg

Trail-numbers.svg

863 ms

Bluetrail-achtergrond-cijfers.png

Bluetrail-achtergrond-cijfers.png

863 ms

Artikel.png

Artikel.png

875 ms

bench-accounting-C3V88BOoRoM-unsplash-scaled.jpg

bench-accounting-C3V88BOoRoM-unsplash-scaled.jpg

888 ms

S6u9w4BMUTPHh7USew-FHi_o.ttf

S6u9w4BMUTPHh7USew-FHi_o.ttf

61 ms

S6uyw4BMUTPHvxk6WQev.ttf

S6uyw4BMUTPHvxk6WQev.ttf

97 ms

S6u9w4BMUTPHh6UVew-FHi_o.ttf

S6u9w4BMUTPHh6UVew-FHi_o.ttf

110 ms

kJF1BvYX7BgnkSrUwT8OhrdQw4oELdPIeeII9v6oDMzByHX9rA6RzaxHMPdY43zj-jCxv3fzvRNU22ZXGJpEpjC_1v-p_4MrImHCIJIZrDCvHOembd5zrAAu.ttf

kJF1BvYX7BgnkSrUwT8OhrdQw4oELdPIeeII9v6oDMzByHX9rA6RzaxHMPdY43zj-jCxv3fzvRNU22ZXGJpEpjC_1v-p_4MrImHCIJIZrDCvHOembd5zrAAu.ttf

176 ms

Ontwerp-zonder-titel-8.png

Ontwerp-zonder-titel-8.png

985 ms

Aanbesteding-Nova-College.png

Aanbesteding-Nova-College.png

973 ms

4-tips-voor-een-werkvrije-vakantie-1.png

4-tips-voor-een-werkvrije-vakantie-1.png

1154 ms

chevron_left_FILL0_wght400_GRAD0_opsz24.svg

chevron_left_FILL0_wght400_GRAD0_opsz24.svg

903 ms

chevron_right_FILL0_wght400_GRAD0_opsz24.svg

chevron_right_FILL0_wght400_GRAD0_opsz24.svg

914 ms

Bert-ZW.jpg

Bert-ZW.jpg

989 ms

Rob_ZW.jpg

Rob_ZW.jpg

990 ms

Guo_ZW-807x1024.jpg

Guo_ZW-807x1024.jpg

938 ms

Swoosh-CTA-1.svg

Swoosh-CTA-1.svg

974 ms

Bluetrail-ISO-9001-logo.svg

Bluetrail-ISO-9001-logo.svg

993 ms

Bluetrail-NEN-Keurmerk.png

Bluetrail-NEN-Keurmerk.png

1011 ms

Bluetrail-Bovib-Keurmerk.png

Bluetrail-Bovib-Keurmerk.png

1021 ms

location_on_FILL1_wght400_GRAD0_opsz24.svg

location_on_FILL1_wght400_GRAD0_opsz24.svg

978 ms

schedule_FILL1_wght400_GRAD0_opsz24.svg

schedule_FILL1_wght400_GRAD0_opsz24.svg

983 ms

date_range_FILL1_wght400_GRAD0_opsz24.svg

date_range_FILL1_wght400_GRAD0_opsz24.svg

1002 ms

Quote-2.svg

Quote-2.svg

1011 ms

Quote-1.svg

Quote-1.svg

1041 ms

Bluetrail-CTA.jpg

Bluetrail-CTA.jpg

981 ms

call_FILL1_wght400_GRAD0_opsz24.svg

call_FILL1_wght400_GRAD0_opsz24.svg

732 ms

mail_FILL1_wght400_GRAD0_opsz24.svg

mail_FILL1_wght400_GRAD0_opsz24.svg

728 ms

Accessibility Review

bluetrail.nl accessibility score

76

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

Best Practices

bluetrail.nl best practices score

83

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

Browser errors were logged to the console

SEO Factors

bluetrail.nl SEO score

86

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

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

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 Bluetrail.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 Bluetrail.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

bluetrail.nl

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