1.4 sec in total
370 ms
901 ms
100 ms
Click here to check amazing Osservatori content for Italy. Otherwise, check out these important facts you probably never knew about osservatori.net
Gli Osservatori Digital Innovation del Politecnico di Milano nascono nel 1999 con l'obiettivo di fare cultura in tutti i principali ambiti di Innovazione Digitale, rappresentano il punto di riferi...
Visit osservatori.netWe analyzed Osservatori.net page load time and found that the first response time was 370 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.
osservatori.net performance score
name
value
score
weighting
Value4.0 s
22/100
10%
Value12.4 s
0/100
25%
Value7.4 s
27/100
10%
Value520 ms
56/100
30%
Value0.007
100/100
15%
Value11.0 s
20/100
10%
370 ms
498 ms
21 ms
Our browser made a total of 3 requests to load all elements on the main page. We found that 67% of them (2 requests) were addressed to the original Osservatori.net, 33% (1 request) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (498 ms) belongs to the original domain Osservatori.net.
Page size can be reduced by 32.2 kB (60%)
53.5 kB
21.3 kB
In fact, the total size of Osservatori.net main page is 53.5 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Javascripts take 52.9 kB which makes up the majority of the site volume.
Potential reduce by 218 B
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 218 B or 35% of the original size.
Potential reduce by 32.0 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 32.0 kB or 60% of the original size.
We found no issues to fix!
1
1
The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Osservatori. According to our analytics all requests are already optimized.
osservatori.net
370 ms
www.osservatori.net
498 ms
analytics.js
21 ms
osservatori.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
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
Links do not have a discernible name
osservatori.net 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
Page has valid source maps
osservatori.net SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
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
IT
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Osservatori.net can be misinterpreted by Google and other search engines. Our service has detected that Italian 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 Osservatori.net 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.
osservatori.net
Open Graph description is not detected on the main page of Osservatori. 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: