900 ms in total
251 ms
487 ms
162 ms
Visit discoverysystems.com now to see the best up-to-date Discovery Systems content and also check out these interesting facts you probably never knew about discoverysystems.com
Course Builder and onViz are object oriented visual authoring tools for creating stand alone cross platform software applications for multimedia production, presentations, teaching,testing,training, k...
Visit discoverysystems.comWe analyzed Discoverysystems.com page load time and found that the first response time was 251 ms and then it took 649 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.
discoverysystems.com performance score
name
value
score
weighting
Value0.8 s
100/100
10%
Value3.2 s
73/100
25%
Value0.8 s
100/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value0.8 s
100/100
10%
251 ms
30 ms
42 ms
20 ms
56 ms
Our browser made a total of 41 requests to load all elements on the main page. We found that all of those requests were addressed to Discoverysystems.com and no external sources were called. The less responsive or slowest element that took the longest time to load (251 ms) belongs to the original domain Discoverysystems.com.
Page size can be reduced by 14.1 kB (16%)
89.5 kB
75.4 kB
In fact, the total size of Discoverysystems.com main page is 89.5 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 71.2 kB which makes up the majority of the site volume.
Potential reduce by 13.1 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 3.1 kB, which is 18% 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 13.1 kB or 75% of the original size.
Potential reduce by 785 B
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. Discovery Systems images are well optimized though.
Potential reduce by 246 B
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. Discoverysystems.com needs all CSS files to be minified and compressed as it can save up to 246 B or 31% of the original size.
Number of requests can be reduced by 11 (28%)
40
29
The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Discovery Systems. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
discoverysystems.com
251 ms
dsi_styles.css
30 ms
dsi-logohdr1.gif
42 ms
spacer.gif
20 ms
navigate1.gif
56 ms
aboutus.jpg
43 ms
contactus.jpg
45 ms
products.jpg
62 ms
buy.jpg
59 ms
testimonials.jpg
71 ms
links.jpg
75 ms
onViz_Logo_trans.gif
83 ms
this.gif
104 ms
Windowsos.jpg
92 ms
macos.jpg
101 ms
link1a.gif
104 ms
mnu3-bkgd-l.gif
81 ms
mnu3-bkgd.gif
68 ms
mnu3-bkgd-r.gif
83 ms
mnu2-bkgd-l.gif
61 ms
mnu2-bkgd.gif
59 ms
mnu2-bkgd-r.gif
72 ms
mnu1-bkgd-l.gif
83 ms
mnu1-bkgd.gif
77 ms
mnu1-bkgd-r.gif
88 ms
mnu1-bkgd-lb.gif
91 ms
mnu1-bkgd-b.gif
85 ms
mnu1-bkgd-rb.gif
102 ms
aboutus-r.jpg
47 ms
contactus-r.jpg
45 ms
products-r.jpg
48 ms
buy-r.jpg
48 ms
testimonials-r.jpg
47 ms
links-r.jpg
34 ms
about1.gif
76 ms
contact1.gif
50 ms
products1.gif
82 ms
purchase1.gif
84 ms
testimonials1.gif
75 ms
links1.gif
75 ms
link2a.gif
78 ms
discoverysystems.com accessibility score
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
discoverysystems.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
discoverysystems.com 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
EN
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Discoverysystems.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 Discoverysystems.com 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.
discoverysystems.com
Open Graph description is not detected on the main page of Discovery Systems. 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: