Tools & Wizards About Us
bronswerk.nl screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

bronswerk.nl

Passionate about Heat Exchange | Bronswerk Heat Transfer

Page Load Speed

4.2 sec in total

First Response

281 ms

Resources Loaded

3.7 sec

Page Rendered

258 ms

bronswerk.nl screenshot

About Website

Click here to check amazing Bronswerk content. Otherwise, check out these important facts you probably never knew about bronswerk.nl

Bronswerk Heat Transfer designs, produces and improves tailor made heat exchange solutions for the oil & gas, power, chemical, pulp & paper industry. Passionate about heat exchange.

Visit bronswerk.nl

Key Findings

We analyzed Bronswerk.nl page load time and found that the first response time was 281 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

bronswerk.nl performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value39.8 s

0/100

25%

SI (Speed Index)

Value12.8 s

2/100

10%

TBT (Total Blocking Time)

Value250 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0.029

100/100

15%

TTI (Time to Interactive)

Value28.2 s

0/100

10%

Network Requests Diagram

bronswerk.nl

281 ms

1036 ms

jScrollPane.css

183 ms

CommonShow.css

458 ms

shadowbox.css

184 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Bronswerk.nl, 96% (69 requests) were made to Bronswerk.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Bronswerk.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 822.8 kB (48%)

Content Size

1.7 MB

After Optimization

889.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bronswerk.nl main page is 1.7 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. 35% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 58.1 kB

  • Original 71.3 kB
  • After minification 63.7 kB
  • After compression 13.1 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 7.6 kB, which is 11% 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 58.1 kB or 82% of the original size.

Image Optimization

-28%

Potential reduce by 278.9 kB

  • Original 1.0 MB
  • After minification 726.9 kB

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. Obviously, Bronswerk needs image optimization as it can save up to 278.9 kB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-73%

Potential reduce by 357.4 kB

  • Original 490.0 kB
  • After minification 425.0 kB
  • After compression 132.6 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 357.4 kB or 73% of the original size.

CSS Optimization

-88%

Potential reduce by 128.4 kB

  • Original 145.3 kB
  • After minification 110.0 kB
  • After compression 16.9 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. Bronswerk.nl needs all CSS files to be minified and compressed as it can save up to 128.4 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (46%)

Requests Now

70

After Optimization

38

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bronswerk. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bronswerk.nl

bronswerk.nl

281 ms

1036 ms

jScrollPane.css

jScrollPane.css

183 ms

CommonShow.css

CommonShow.css

458 ms

shadowbox.css

shadowbox.css

184 ms

jquery-ui-1.8.5.custom.css

jquery-ui-1.8.5.custom.css

275 ms

jquery-1.4.4.min.js

jquery-1.4.4.min.js

468 ms

jquery-ui-1.8.5.custom.edited.js

jquery-ui-1.8.5.custom.edited.js

362 ms

tooltip.js

tooltip.js

363 ms

WebResource.axd

WebResource.axd

364 ms

ScriptResource.axd

ScriptResource.axd

365 ms

SocialMediaMenuControl.js

SocialMediaMenuControl.js

453 ms

LeftMenuControl.js

LeftMenuControl.js

454 ms

LeftBottomMenuControl.js

LeftBottomMenuControl.js

464 ms

TeaserShowControl.js

TeaserShowControl.js

491 ms

FooterMenuControl.js

FooterMenuControl.js

543 ms

ScriptResource.axd

ScriptResource.axd

644 ms

ScriptResource.axd

ScriptResource.axd

464 ms

ScriptResource.axd

ScriptResource.axd

466 ms

WebResource.axd

WebResource.axd

466 ms

TopMenuControl.js

TopMenuControl.js

466 ms

ContactShowControl.js

ContactShowControl.js

464 ms

shadowbox.js

shadowbox.js

466 ms

Common.js

Common.js

466 ms

Support-Visitor-monitor.js.aspx

Support-Visitor-monitor.js.aspx

467 ms

ContactActionFormControl.js

ContactActionFormControl.js

470 ms

719___Selected.jpg

719___Selected.jpg

516 ms

Logo.png

Logo.png

339 ms

search.png

search.png

257 ms

header_livesupport.png

header_livesupport.png

257 ms

header_twitter.png

header_twitter.png

257 ms

header_facebook.png

header_facebook.png

332 ms

header_linkedin.png

header_linkedin.png

339 ms

TeaserPagerLeft.png

TeaserPagerLeft.png

340 ms

1548___Selected.jpg

1548___Selected.jpg

343 ms

1546___Selected.jpg

1546___Selected.jpg

421 ms

1527___Selected.jpg

1527___Selected.jpg

429 ms

1523___Selected.jpg

1523___Selected.jpg

431 ms

1542___Selected.jpg

1542___Selected.jpg

432 ms

1485___Selected.jpg

1485___Selected.jpg

433 ms

1486___Selected.jpg

1486___Selected.jpg

513 ms

1445___Selected.jpg

1445___Selected.jpg

519 ms

1078___Selected.jpg

1078___Selected.jpg

521 ms

TeaserPagerRight.png

TeaserPagerRight.png

522 ms

Map_NL.png

Map_NL.png

525 ms

Map_CS.png

Map_CS.png

605 ms

Map_RU.png

Map_RU.png

607 ms

header_background.png

header_background.png

361 ms

search_background.png

search_background.png

363 ms

subnavigation-bg.png

subnavigation-bg.png

356 ms

ChatOnline.png

ChatOnline.png

359 ms

header_lid.png

header_lid.png

430 ms

main_background.png

main_background.png

435 ms

leftmenu_background.png

leftmenu_background.png

435 ms

leftmenu_sprite.png

leftmenu_sprite.png

527 ms

leftmenubottom_background.png

leftmenubottom_background.png

439 ms

teaser-bg-new.png

teaser-bg-new.png

442 ms

footer_background_top.png

footer_background_top.png

519 ms

footer_menu_shadow.png

footer_menu_shadow.png

524 ms

lid.png

lid.png

526 ms

footer_menu_background.png

footer_menu_background.png

530 ms

footermenu_sprite.png

footermenu_sprite.png

633 ms

footer_background_bottom.png

footer_background_bottom.png

611 ms

footer_background_main.png

footer_background_main.png

905 ms

SupportCustomerHandler.ashx

SupportCustomerHandler.ashx

620 ms

analytics.js

analytics.js

22 ms

collect

collect

12 ms

chatinvite.png

chatinvite.png

663 ms

arrow_bottom.png

arrow_bottom.png

569 ms

balloon.png

balloon.png

637 ms

empty.gif

empty.gif

656 ms

CommonShowPrint.css

CommonShowPrint.css

94 ms

Accessibility Review

bronswerk.nl accessibility score

94

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

bronswerk.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

bronswerk.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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bronswerk.nl can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Bronswerk.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

bronswerk.nl

Open Graph description is not detected on the main page of Bronswerk. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: