16 sec in total
920 ms
6.5 sec
8.6 sec
Click here to check amazing Sidis content for United States. Otherwise, check out these important facts you probably never knew about sidis.net
William James Sidis, Animate and the Inanimate, cosmology, cosmogony, astrobiology, eternal universe, infinite universe
Visit sidis.netWe analyzed Sidis.net page load time and found that the first response time was 920 ms and then it took 15.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
sidis.net performance score
name
value
score
weighting
Value2.4 s
71/100
10%
Value2.4 s
92/100
25%
Value3.9 s
82/100
10%
Value2,110 ms
7/100
30%
Value0.909
3/100
15%
Value8.0 s
43/100
10%
920 ms
501 ms
189 ms
173 ms
173 ms
Our browser made a total of 161 requests to load all elements on the main page. We found that 99% of them (159 requests) were addressed to the original Sidis.net, 1% (2 requests) were made to I.ytimg.com. The less responsive or slowest element that took the longest time to load (4.5 sec) belongs to the original domain Sidis.net.
Page size can be reduced by 651.8 kB (23%)
2.9 MB
2.2 MB
In fact, the total size of Sidis.net main page is 2.9 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. Images take 2.2 MB which makes up the majority of the site volume.
Potential reduce by 193.9 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. 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 193.9 kB or 86% of the original size.
Potential reduce by 127.8 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. Sidis images are well optimized though.
Potential reduce by 128.3 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 128.3 kB or 65% of the original size.
Potential reduce by 201.8 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. Sidis.net needs all CSS files to be minified and compressed as it can save up to 201.8 kB or 83% of the original size.
Number of requests can be reduced by 3 (2%)
160
157
The browser has sent 160 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sidis. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.
sidis.net
920 ms
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sidis.net 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.
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
Form elements do not have associated labels
Links do not have a discernible name
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
sidis.net 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
Serves images with low resolution
General
Impact
Issue
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
Issues were logged in the Issues panel in Chrome Devtools
sidis.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
N/A
WINDOWS-1252
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sidis.net 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 Sidis.net 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.
sidis.net
Open Graph description is not detected on the main page of Sidis. 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: