8.8 sec in total
1.7 sec
6.9 sec
249 ms
Visit duvalco.net now to see the best up-to-date Duvalco content and also check out these interesting facts you probably never knew about duvalco.net
Founded in the Netherlands, we manufacture rubber vulcanized butterfly valves, as well as gate, check, air, ball, and custom valves for industrial applications.
Visit duvalco.netWe analyzed Duvalco.net page load time and found that the first response time was 1.7 sec and then it took 7.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
duvalco.net performance score
name
value
score
weighting
Value6.9 s
1/100
10%
Value14.4 s
0/100
25%
Value16.9 s
0/100
10%
Value30 ms
100/100
30%
Value0.021
100/100
15%
Value14.6 s
8/100
10%
1674 ms
219 ms
436 ms
438 ms
439 ms
Our browser made a total of 63 requests to load all elements on the main page. We found that 86% of them (54 requests) were addressed to the original Duvalco.net, 8% (5 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Duvalco.net.
Page size can be reduced by 316.4 kB (21%)
1.5 MB
1.2 MB
In fact, the total size of Duvalco.net main page is 1.5 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. 50% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 16.0 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 16.0 kB or 79% of the original size.
Potential reduce by 34.5 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. Duvalco images are well optimized though.
Potential reduce by 232.2 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 232.2 kB or 67% of the original size.
Potential reduce by 33.8 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. Duvalco.net needs all CSS files to be minified and compressed as it can save up to 33.8 kB or 79% of the original size.
Number of requests can be reduced by 20 (38%)
53
33
The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Duvalco. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
www.duvalco.net
1674 ms
styles.css
219 ms
nggallery.css
436 ms
shutter-reloaded.css
438 ms
wp-paginate.css
439 ms
jquery.js
663 ms
jquery-migrate.min.js
439 ms
shutter-reloaded.js
440 ms
jquery.cycle.all.min.js
654 ms
ngg.slideshow.min.js
655 ms
style.css
687 ms
css
25 ms
css
36 ms
style.css
659 ms
nivo-slider.css
685 ms
default.css
869 ms
lightbox-2.6.min.js
871 ms
lightbox.css
877 ms
jquery.min.js
1095 ms
jquery.nivo.slider.js
941 ms
jquery.form.min.js
872 ms
scripts.js
1082 ms
analytics.js
67 ms
close.png
775 ms
loading.gif
247 ms
prev.png
832 ms
next.png
812 ms
logo.png
619 ms
btn-search.png
414 ms
line-menu.png
440 ms
shadow1.png
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banner1.jpg
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duval_banner2.jpg
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duval_banner3.jpg
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duval_banner5.jpg
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duval_banner6.jpg
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shadow2.png
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bg-menu.png
2110 ms
a.jpg
2128 ms
b.jpg
2135 ms
bg-img.png
2149 ms
marine.jpg
2289 ms
offshore.jpg
2326 ms
img19.jpg
2343 ms
cooling.jpg
2352 ms
oilgas.jpg
2365 ms
img16.jpg
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footercertificates.jpg
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bg-footer.png
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shadow.png
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20 ms
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arrows.png
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bullets.png
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duvalco.net 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
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
duvalco.net 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
duvalco.net 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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Duvalco.net can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Duvalco.net 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.
duvalco.net
Open Graph description is not detected on the main page of Duvalco. 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: