3.8 sec in total
262 ms
3.4 sec
185 ms
Click here to check amazing Von Duprin content. Otherwise, check out these important facts you probably never knew about vonduprin.com
Von Duprin offers panic bar hardware solutions including exit devices, electric strikes and more, from over a century of customer-centric innovation.
Visit vonduprin.comWe analyzed Vonduprin.com page load time and found that the first response time was 262 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
vonduprin.com performance score
name
value
score
weighting
Value3.3 s
39/100
10%
Value9.0 s
1/100
25%
Value16.2 s
0/100
10%
Value960 ms
29/100
30%
Value0.276
44/100
15%
Value19.8 s
2/100
10%
262 ms
191 ms
1896 ms
73 ms
116 ms
Our browser made a total of 67 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Vonduprin.com, 78% (52 requests) were made to Us.allegion.com and 4% (3 requests) were made to Aws-ws18.inbenta.com. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Us.allegion.com.
Page size can be reduced by 4.2 MB (79%)
5.3 MB
1.1 MB
In fact, the total size of Vonduprin.com main page is 5.3 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 4.7 MB which makes up the majority of the site volume.
Potential reduce by 167.6 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 26.0 kB, which is 13% 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 167.6 kB or 84% of the original size.
Potential reduce by 24.8 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, Von Duprin needs image optimization as it can save up to 24.8 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 3.7 MB
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 3.7 MB or 80% of the original size.
Potential reduce by 262.0 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. Vonduprin.com needs all CSS files to be minified and compressed as it can save up to 262.0 kB or 86% of the original size.
Number of requests can be reduced by 36 (57%)
63
27
The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Von Duprin. 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 9 to 1 for CSS and as a result speed up the page load time.
vonduprin.com
262 ms
default.aspx
191 ms
default.aspx
1896 ms
tabs.css
73 ms
jquery.min.js
116 ms
IRHome.js
82 ms
jquery.SPServices-0.7.1a.min.js
124 ms
jquery.SPServices-0.5.6.js
115 ms
index.js
110 ms
core.css
139 ms
Security_Technologies.css
130 ms
zz1011_Header.css
149 ms
zz1012_Menu.css
155 ms
init.js
149 ms
non_ie.js
192 ms
swfobject.js
161 ms
jquery.easing-1.3.pack.js
180 ms
jquery.fancybox-1.3.0.pack.js
190 ms
jquery.fancybox-1.3.0.css
190 ms
SiteCatalystInclude.js
189 ms
WebResource.axd
219 ms
core.js
247 ms
inbenta.js
291 ms
InbentaSSE.js
381 ms
frs-app.js
72 ms
ga.js
26 ms
get_flash_player.gif
22 ms
logo_ir.jpg
63 ms
search-icon.png
65 ms
print-icon.png
61 ms
twitter-icon.png
63 ms
youTube-icon.png
63 ms
Google_logo.sm.png
82 ms
LinkedIn_Logo.sm.png
90 ms
WP_5845_290x163.jpg
82 ms
WP_5841_290x163.jpg
87 ms
WP_5840_290x163.jpg
89 ms
WP_5843_290x163.jpg
92 ms
WP_5842_290x163.jpg
117 ms
WP_5844_290x163.jpg
117 ms
aah.js
58 ms
bg_gradient.jpg
103 ms
bg_site-body.jpg
109 ms
bg_site-top.jpg
137 ms
bg_crosshatch.jpg
108 ms
__utm.gif
18 ms
bg_listseparator-dark.jpg
95 ms
bg_tab.jpg
96 ms
bg_listseparator-light.jpg
100 ms
bg_site-bottom.jpg
106 ms
inbenta.css
150 ms
inbenta.js
174 ms
Security_Technologies_Print.css
47 ms
autocompleter-data.js
121 ms
web.gif
63 ms
twitter-icon-over.png
58 ms
facebook-icon-over.png
44 ms
youTube-icon-over.png
43 ms
blog-icon-over.png
45 ms
Google+_logo.sm-over.png
44 ms
LinkedIn_Logo.sm-over.png
48 ms
print-icon-over.png
61 ms
search-icon-over.png
95 ms
bg_tab-active.jpg
77 ms
arrow_tab-selected.gif
93 ms
s89699761897791
19 ms
inbenta.css
310 ms
vonduprin.com accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[role]s are not contained by their required parent element
[aria-*] attributes do not have valid values
ARIA IDs are not unique
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
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
List items (<li>) are not contained within <ul> or <ol> parent elements.
vonduprin.com 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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
vonduprin.com 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
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vonduprin.com 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 Vonduprin.com 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.
vonduprin.com
Open Graph description is not detected on the main page of Von Duprin. 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: