2.8 sec in total
380 ms
2.3 sec
137 ms
Visit tpi.nl now to see the best up-to-date TPI content and also check out these interesting facts you probably never knew about tpi.nl
Good ventilation components are essential for keeping healthy animals, save energy, increase production. We have a solution for every farm.
Visit tpi.nlWe analyzed Tpi.nl page load time and found that the first response time was 380 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
tpi.nl performance score
name
value
score
weighting
Value4.7 s
12/100
10%
Value8.5 s
2/100
25%
Value8.3 s
20/100
10%
Value250 ms
84/100
30%
Value0
100/100
15%
Value6.8 s
55/100
10%
380 ms
876 ms
184 ms
182 ms
279 ms
Our browser made a total of 33 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Tpi.nl, 91% (30 requests) were made to Tpi-polytechniek.com and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (876 ms) relates to the external source Tpi-polytechniek.com.
Page size can be reduced by 200.1 kB (54%)
369.2 kB
169.1 kB
In fact, the total size of Tpi.nl main page is 369.2 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. 20% of websites need less resources to load. Javascripts take 218.2 kB which makes up the majority of the site volume.
Potential reduce by 13.0 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. This page needs HTML code to be minified as it can gain 3.3 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 13.0 kB or 78% of the original size.
Potential reduce by 2.3 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. TPI images are well optimized though.
Potential reduce by 151.8 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 151.8 kB or 70% of the original size.
Potential reduce by 32.9 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. Tpi.nl needs all CSS files to be minified and compressed as it can save up to 32.9 kB or 83% of the original size.
Number of requests can be reduced by 15 (48%)
31
16
The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TPI. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
tpi.nl
380 ms
www.tpi-polytechniek.com
876 ms
jquery.css
184 ms
body.css
182 ms
styles.css
279 ms
nivo-slider.css
185 ms
validationEngine.jquery.css
184 ms
jquery.js
556 ms
functions.js
454 ms
jquery.validationEngine-en.js
275 ms
jquery.validationEngine.js
459 ms
content_bg.gif
102 ms
content_largebg.jpg
109 ms
tpi-logo.gif
107 ms
menu_bg.jpg
107 ms
menu_active.gif
108 ms
menu_bg_ul.gif
106 ms
search.gif
199 ms
NL.gif
201 ms
ENdis.gif
200 ms
Banner-luchtinlaatkleppen.jpg
375 ms
Banner-ventilatiekokers.jpg
289 ms
banner-ventilatieconcepten-nl.jpg
203 ms
air-inlet-valves.gif
297 ms
ventilation-chiamneys.gif
296 ms
light-traps.gif
299 ms
windhood-3000-front.gif
298 ms
dutch_poultrycentre.gif
381 ms
sp_group.gif
386 ms
footer_bg.gif
388 ms
ga.js
8 ms
__utm.gif
13 ms
nivoslider_bullets.png
91 ms
tpi.nl accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
tpi.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
tpi.nl SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
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
Tap targets are not sized appropriately
EN
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tpi.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 Tpi.nl main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
tpi.nl
Open Graph description is not detected on the main page of TPI. 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: