15.4 sec in total
381 ms
11.2 sec
3.8 sec
Visit libreriauniversitaria.com now to see the best up-to-date Libreria Universitaria content for Italy and also check out these interesting facts you probably never knew about libreriauniversitaria.com
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Visit libreriauniversitaria.comWe analyzed Libreriauniversitaria.com page load time and found that the first response time was 381 ms and then it took 15 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
libreriauniversitaria.com performance score
name
value
score
weighting
Value6.1 s
3/100
10%
Value9.9 s
0/100
25%
Value8.6 s
17/100
10%
Value700 ms
43/100
30%
Value1.085
2/100
15%
Value8.8 s
35/100
10%
381 ms
321 ms
2146 ms
261 ms
290 ms
Our browser made a total of 184 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Libreriauniversitaria.com, 58% (107 requests) were made to Img2.libreriauniversitaria.it and 26% (48 requests) were made to Libreriauniversitaria.it. The less responsive or slowest element that took the longest time to load (5.8 sec) relates to the external source Img2.libreriauniversitaria.it.
Page size can be reduced by 298.6 kB (9%)
3.5 MB
3.2 MB
In fact, the total size of Libreriauniversitaria.com main page is 3.5 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 3.2 MB which makes up the majority of the site volume.
Potential reduce by 209.5 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 209.5 kB or 87% of the original size.
Potential reduce by 58.5 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. Libreria Universitaria images are well optimized though.
Potential reduce by 121 B
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. This website has mostly compressed JavaScripts.
Potential reduce by 30.5 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. Libreriauniversitaria.com needs all CSS files to be minified and compressed as it can save up to 30.5 kB or 98% of the original size.
Number of requests can be reduced by 25 (14%)
177
152
The browser has sent 177 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Libreria Universitaria. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.
libreriauniversitaria.com
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libreriauniversitaria.com accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
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
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.
libreriauniversitaria.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Requests the notification permission on page load
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
Missing source maps for large first-party JavaScript
libreriauniversitaria.com 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
IT
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Libreriauniversitaria.com can be misinterpreted by Google and other search engines. Our service has detected that Italian is used on the page, and it matches the claimed language. Our system also found out that Libreriauniversitaria.com 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.
libreriauniversitaria.com
Open Graph description is not detected on the main page of Libreria Universitaria. 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: