2.2 sec in total
166 ms
1.2 sec
884 ms
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Visit dessci.comWe analyzed Dessci.com page load time and found that the first response time was 166 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
dessci.com performance score
name
value
score
weighting
Value4.3 s
17/100
10%
Value10.2 s
0/100
25%
Value7.4 s
27/100
10%
Value1,960 ms
8/100
30%
Value0
100/100
15%
Value12.7 s
14/100
10%
166 ms
181 ms
264 ms
198 ms
129 ms
Our browser made a total of 27 requests to load all elements on the main page. We found that 89% of them (24 requests) were addressed to the original Dessci.com, 7% (2 requests) were made to Google-analytics.com and 4% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (335 ms) belongs to the original domain Dessci.com.
Page size can be reduced by 29.3 kB (27%)
108.7 kB
79.5 kB
In fact, the total size of Dessci.com main page is 108.7 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 55.1 kB which makes up the majority of the site volume.
Potential reduce by 17.9 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 2.7 kB, which is 12% 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 17.9 kB or 81% of the original size.
Potential reduce by 63 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. Dessci images are well optimized though.
Potential reduce by 8.0 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 8.0 kB or 29% of the original size.
Potential reduce by 3.3 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. Dessci.com needs all CSS files to be minified and compressed as it can save up to 3.3 kB or 78% of the original size.
We found no issues to fix!
23
23
The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dessci. According to our analytics all requests are already optimized.
dessci.com
166 ms
www.dessci.com
181 ms
264 ms
dsi.js
198 ms
dsilocal.js
129 ms
main.css
129 ms
ga.js
77 ms
spacer.gif
83 ms
home_topbar.gif
190 ms
search_off.gif
73 ms
navcart_off.gif
73 ms
dsilogo_lg.gif
188 ms
homep_icons_off.gif
335 ms
text_mt66.gif
203 ms
text_mf.gif
188 ms
text_mp.gif
187 ms
feed-icon10x10.gif
203 ms
facebook_icon.gif
204 ms
youtube_icon.gif
203 ms
twitter_icon.gif
208 ms
linkedin_icon.gif
274 ms
__utm.gif
35 ms
collect
97 ms
product_circles_mathtype.jpg
88 ms
product_circles.jpg
85 ms
product_circles_mathplayer.jpg
99 ms
product_circles_webeq.jpg
164 ms
dessci.com 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
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
dessci.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
dessci.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
Tap targets are not sized appropriately
EN
EN
WINDOWS-1252
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dessci.com 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 Dessci.com main page’s claimed encoding is windows-1252. 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.
dessci.com
Open Graph description is not detected on the main page of Dessci. 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: