7.9 sec in total
1.4 sec
6.3 sec
200 ms
Visit pbt.nl now to see the best up-to-date PBT content and also check out these interesting facts you probably never knew about pbt.nl
PBT beveiliging en telecom is dé specialist in brand- en beveiligingstechniek voor o.a. woningen, kantoorpanden, winkels, overheids en zorginstanties.
Visit pbt.nlWe analyzed Pbt.nl page load time and found that the first response time was 1.4 sec 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.
pbt.nl performance score
name
value
score
weighting
Value4.1 s
21/100
10%
Value6.1 s
12/100
25%
Value14.5 s
1/100
10%
Value13,380 ms
0/100
30%
Value0.1
90/100
15%
Value20.1 s
2/100
10%
1422 ms
254 ms
178 ms
269 ms
185 ms
Our browser made a total of 52 requests to load all elements on the main page. We found that 96% of them (50 requests) were addressed to the original Pbt.nl, 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.3 sec) belongs to the original domain Pbt.nl.
Page size can be reduced by 327.3 kB (39%)
848.2 kB
520.9 kB
In fact, the total size of Pbt.nl main page is 848.2 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Images take 532.3 kB which makes up the majority of the site volume.
Potential reduce by 14.9 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 3.5 kB, which is 19% 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 14.9 kB or 81% of the original size.
Potential reduce by 92.7 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, PBT needs image optimization as it can save up to 92.7 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 208.7 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 208.7 kB or 74% of the original size.
Potential reduce by 10.9 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. Pbt.nl needs all CSS files to be minified and compressed as it can save up to 10.9 kB or 77% of the original size.
Number of requests can be reduced by 17 (33%)
51
34
The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PBT. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
pbt.nl
1422 ms
css.css
254 ms
basic.css
178 ms
default.css
269 ms
news_home.css
185 ms
top.css
190 ms
contact_left.css
193 ms
login.css
354 ms
footer.css
278 ms
gallery_home.css
380 ms
mainmenu.css
385 ms
jquery1.2.3.js
626 ms
prototype.js
1271 ms
scriptaculous.js
874 ms
login.js
448 ms
gallery_home.js
569 ms
ticker.css
490 ms
ticker.js
639 ms
effects.js
342 ms
pbt-logo.png
178 ms
11.jpg
1226 ms
31.jpg
2429 ms
35.jpg
324 ms
38.jpg
1888 ms
12.jpg
1664 ms
33.jpg
1078 ms
40.jpg
534 ms
13.jpg
823 ms
29.jpg
1201 ms
30.jpg
1633 ms
41.jpg
1437 ms
menu_selected_arrow.png
1403 ms
menu_arrow.png
1580 ms
more_info.png
1626 ms
bel_mij_terug.png
1757 ms
vacatures.png
1820 ms
login_extranet.png
1806 ms
daarompbt.png
1868 ms
contact.png
2031 ms
14.jpg
2370 ms
15.jpg
2381 ms
16.jpg
1984 ms
17.jpg
2070 ms
18.jpg
2099 ms
19.jpg
2215 ms
20.jpg
3267 ms
23.jpg
2322 ms
24.jpg
2687 ms
28.jpg
2523 ms
ga.js
4 ms
qmtognnwm9ly3k3b2x29hbsxeywm7fgeyasgu71clg0-webfont.woff
2754 ms
__utm.gif
10 ms
pbt.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
Image elements do not have [alt] attributes
Links do not have a discernible name
pbt.nl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
pbt.nl SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
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
Document uses legible font sizes
NL
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pbt.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 Pbt.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.
pbt.nl
Open Graph description is not detected on the main page of PBT. 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: