2.6 sec in total
73 ms
2.2 sec
271 ms
Visit visiononline.org now to see the best up-to-date Vision Online content for United States and also check out these interesting facts you probably never knew about visiononline.org
Vision & Imaging
Visit visiononline.orgWe analyzed Visiononline.org page load time and found that the first response time was 73 ms and then it took 2.5 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.
visiononline.org performance score
name
value
score
weighting
Value6.4 s
2/100
10%
Value25.7 s
0/100
25%
Value12.4 s
3/100
10%
Value1,080 ms
24/100
30%
Value0.067
97/100
15%
Value23.0 s
1/100
10%
73 ms
1366 ms
93 ms
25 ms
75 ms
Our browser made a total of 91 requests to load all elements on the main page. We found that 70% of them (64 requests) were addressed to the original Visiononline.org, 8% (7 requests) were made to Fonts.gstatic.com and 3% (3 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Visiononline.org.
Page size can be reduced by 833.1 kB (40%)
2.1 MB
1.2 MB
In fact, the total size of Visiononline.org main page is 2.1 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. Javascripts take 894.4 kB which makes up the majority of the site volume.
Potential reduce by 126.2 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 126.2 kB or 77% of the original size.
Potential reduce by 41.4 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. Vision Online images are well optimized though.
Potential reduce by 527.2 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 527.2 kB or 59% of the original size.
Potential reduce by 138.3 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. Visiononline.org needs all CSS files to be minified and compressed as it can save up to 138.3 kB or 83% of the original size.
Number of requests can be reduced by 35 (43%)
81
46
The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vision Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.
visiononline.org
73 ms
www.visiononline.org
1366 ms
normalize.css
93 ms
css
25 ms
jquery.sidr.light.css
75 ms
styles.css
111 ms
layout.css
135 ms
grid.css
118 ms
responsive.css
151 ms
jquery.fancybox.css
152 ms
expand.css
163 ms
global-top.js
176 ms
modernizr-2.6.2.min.js
177 ms
copyright.js
192 ms
siteseal.js
96 ms
nivo-slider.css
226 ms
home.css
235 ms
element.js
41 ms
switcher.js
181 ms
swfobject.js
191 ms
jquery.min.js
5 ms
plugins.js
165 ms
jquery.sidr.min.js
164 ms
jquery.sticky-kit.min.js
200 ms
global.js
196 ms
jquery.fancybox.js
190 ms
addthis_widget.js
9 ms
conversion.js
14 ms
aimgTrk.js
195 ms
jquery.fancybox-media.js
216 ms
jquery.nivo.slider.pack.js
250 ms
analytics.js
8 ms
spacer.gif
146 ms
collect
26 ms
open-menu-button.png
116 ms
twitter.png
117 ms
facebook.png
144 ms
google.png
146 ms
youtube.png
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linkedin.png
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logo.png
283 ms
logo-lrg.png
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Vision-Life-Sciences-Link.png
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Automatica16-Banner-728x90-Corporate-E.gif
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preloader.gif
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TVS-Slider-2016-Updated.png
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home-cta-icon-resources.png
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home-cta-icon-standards.png
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200x200.jpg
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Untitled-1.jpg
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video-hover.png
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featuredVideo-03-05-15.jpg
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a3.png
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ria.png
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translateelement.css
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main.js
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mca.png
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search.png
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browse-arrow.png
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how-do-i.png
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advertisement-left.png
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home-cta-arrow.png
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advertisement-fp.png
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fp-prev.png
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home-col-new-product.png
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home-col-industry-news.png
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basicsqblue.gif
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element_main.js
145 ms
layers.e5ea973510bf60b3db41.js
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112 ms
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aimgTrkInit.cfm
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300lo.json
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6936.js
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sh.8e5f85691f9aaa082472a194.html
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print.css
28 ms
visiononline.org 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
[id] attributes on active, focusable elements are not unique
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
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.
visiononline.org 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
Page has valid source maps
visiononline.org 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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Visiononline.org 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 Visiononline.org 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.
visiononline.org
Open Graph data is detected on the main page of Vision Online. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: