14.5 sec in total
600 ms
13.4 sec
421 ms
Visit seieditrice.com now to see the best up-to-date SEI Editrice content for Italy and also check out these interesting facts you probably never knew about seieditrice.com
La SEI Editrice pubblica libri e testi scolastici per la scuola secondaria di primo grado (scuola media) e di secondo grado (scuola superiore). Manuali, Antologie, libri di esercizi e narrativa di Ita...
Visit seieditrice.comWe analyzed Seieditrice.com page load time and found that the first response time was 600 ms and then it took 13.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
seieditrice.com performance score
name
value
score
weighting
Value4.9 s
11/100
10%
Value13.2 s
0/100
25%
Value6.0 s
47/100
10%
Value1,400 ms
16/100
30%
Value0.163
72/100
15%
Value11.8 s
17/100
10%
600 ms
1763 ms
385 ms
392 ms
393 ms
Our browser made a total of 143 requests to load all elements on the main page. We found that 92% of them (131 requests) were addressed to the original Seieditrice.com, 1% (2 requests) were made to Facebook.com and 1% (2 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (5.9 sec) belongs to the original domain Seieditrice.com.
Page size can be reduced by 1.7 MB (36%)
4.7 MB
3.0 MB
In fact, the total size of Seieditrice.com main page is 4.7 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 4.0 MB which makes up the majority of the site volume.
Potential reduce by 144.6 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 27.2 kB, which is 17% 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 144.6 kB or 89% of the original size.
Potential reduce by 1.1 MB
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. Obviously, SEI Editrice needs image optimization as it can save up to 1.1 MB or 29% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 354.5 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 354.5 kB or 72% of the original size.
Potential reduce by 37.6 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. Seieditrice.com needs all CSS files to be minified and compressed as it can save up to 37.6 kB or 82% of the original size.
Number of requests can be reduced by 30 (21%)
141
111
The browser has sent 141 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SEI Editrice. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
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seieditrice.com accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[role]s are not contained by their required parent element
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
Image elements do not have [alt] attributes
Links do not have a discernible name
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.
seieditrice.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
seieditrice.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
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
N/A
IT
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Seieditrice.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Italian. Our system also found out that Seieditrice.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.
seieditrice.com
Open Graph description is not detected on the main page of SEI Editrice. 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: