12.3 sec in total
5.3 sec
6.9 sec
144 ms
Click here to check amazing Bertram Welink content. Otherwise, check out these important facts you probably never knew about bertramwelink.nl
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Visit bertramwelink.nlWe analyzed Bertramwelink.nl page load time and found that the first response time was 5.3 sec and then it took 7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
bertramwelink.nl performance score
name
value
score
weighting
Value4.5 s
15/100
10%
Value16.8 s
0/100
25%
Value15.6 s
0/100
10%
Value90 ms
99/100
30%
Value0.528
14/100
15%
Value16.4 s
5/100
10%
5300 ms
104 ms
178 ms
25 ms
184 ms
Our browser made a total of 107 requests to load all elements on the main page. We found that 63% of them (67 requests) were addressed to the original Bertramwelink.nl, 19% (20 requests) were made to Maps.googleapis.com and 8% (9 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (5.3 sec) belongs to the original domain Bertramwelink.nl.
Page size can be reduced by 1.4 MB (44%)
3.2 MB
1.8 MB
In fact, the total size of Bertramwelink.nl main page is 3.2 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. 70% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.
Potential reduce by 54.7 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 54.7 kB or 83% of the original size.
Potential reduce by 395.3 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, Bertram Welink needs image optimization as it can save up to 395.3 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 855.6 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 855.6 kB or 66% of the original size.
Potential reduce by 95.0 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. Bertramwelink.nl needs all CSS files to be minified and compressed as it can save up to 95.0 kB or 83% of the original size.
Number of requests can be reduced by 60 (62%)
97
37
The browser has sent 97 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bertram Welink. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 41 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.
bertramwelink.nl
5300 ms
wp-emoji-release.min.js
104 ms
layerslider.css
178 ms
css
25 ms
styles.css
184 ms
style.css
179 ms
responsive.css
195 ms
isotope.css
190 ms
magnific-popup.css
191 ms
flexslider.css
258 ms
jquery.mCustomScrollbar.css
267 ms
jquery.jscrollpane.css
266 ms
jquery.easy-pie-chart.css
276 ms
yellow.css
279 ms
css
34 ms
jquery.js
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jquery-migrate.min.js
370 ms
swfobject.js
353 ms
flippingbook.js
385 ms
greensock.js
465 ms
layerslider.kreaturamedia.jquery.js
490 ms
layerslider.transitions.js
435 ms
js
19 ms
jquery.form.min.js
464 ms
scripts.js
488 ms
superfish.js
590 ms
jquery.isotope.min.js
592 ms
jquery.magnific-popup.min.js
591 ms
jquery.flexslider-min.js
590 ms
jquery.mousewheel.min.js
666 ms
jquery.nicescroll.js
668 ms
jquery.mCustomScrollbar.concat.min.js
667 ms
jquery.jscrollpane.min.js
646 ms
jquery.scrollTo.min.js
646 ms
jquery.idTabs.min.js
648 ms
jquery.easing.1.3.js
711 ms
audio.js
718 ms
widgets.js
722 ms
jquery.easy-pie-chart.js
743 ms
jquery.carouFredSel-6.2.1-packed.js
648 ms
jquery.animate-enhanced.min.js
587 ms
gmap3.js
716 ms
custom.js
635 ms
wp-embed.min.js
629 ms
analytics.js
6 ms
collect
45 ms
white_loader.gif
299 ms
plus.png
305 ms
bertram-welink-portret-1.png
849 ms
back-resume.png
513 ms
next-resume.png
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MSFT_logo_png.png
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logo-blue1.png
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topa-verpakking.png
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TEClogo.png
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J2_Global_Logo.png
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new-google-logo-knockoff.png
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link_post.png
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kiss-metrics.png
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DXI1ORHCpsQm3Vp6mXoaTYnF5uFdDttMLvmWuJdhhgs.ttf
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twitter_b.png
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linkedin_b.png
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rss_b.png
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common.js
20 ms
map.js
21 ms
util.js
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marker.js
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ajax-loader.gif
485 ms
onion.js
34 ms
openhand_8_8.cur
26 ms
ViewportInfoService.GetViewportInfo
107 ms
stats.js
42 ms
controls.js
36 ms
transparent.png
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css
18 ms
google4.png
37 ms
marker.png
213 ms
mapcnt6.png
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sv5.png
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AuthenticationService.Authenticate
195 ms
bertramwelink.nl accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
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
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
bertramwelink.nl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
bertramwelink.nl SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
EN
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bertramwelink.nl can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Dutch language. Our system also found out that Bertramwelink.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.
bertramwelink.nl
Open Graph data is detected on the main page of Bertram Welink. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: