3.7 sec in total
584 ms
2.8 sec
252 ms
Click here to check amazing Scuola Zanichelli content for Italy. Otherwise, check out these important facts you probably never knew about scuola.zanichelli.it
Progetti editoriali cartacei e digitali per le scuole secondarie
Visit scuola.zanichelli.itWe analyzed Scuola.zanichelli.it page load time and found that the first response time was 584 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
scuola.zanichelli.it performance score
name
value
score
weighting
Value4.8 s
11/100
10%
Value8.0 s
2/100
25%
Value7.9 s
23/100
10%
Value170 ms
92/100
30%
Value0.088
92/100
15%
Value10.9 s
21/100
10%
584 ms
488 ms
155 ms
163 ms
165 ms
Our browser made a total of 86 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Scuola.zanichelli.it, 55% (47 requests) were made to Zanichelli.it and 26% (22 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (899 ms) relates to the external source Zanichelli.it.
Page size can be reduced by 499.1 kB (66%)
754.4 kB
255.3 kB
In fact, the total size of Scuola.zanichelli.it main page is 754.4 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. 50% of websites need less resources to load. Javascripts take 371.1 kB which makes up the majority of the site volume.
Potential reduce by 22.3 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 22.3 kB or 74% of the original size.
Potential reduce by 6.3 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. Scuola Zanichelli images are well optimized though.
Potential reduce by 255.3 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 255.3 kB or 69% of the original size.
Potential reduce by 215.2 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. Scuola.zanichelli.it needs all CSS files to be minified and compressed as it can save up to 215.2 kB or 85% of the original size.
Number of requests can be reduced by 46 (73%)
63
17
The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Scuola Zanichelli. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
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scuola.zanichelli.it 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
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
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
scuola.zanichelli.it 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
scuola.zanichelli.it SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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
IT
IT
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Scuola.zanichelli.it 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 Scuola.zanichelli.it 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.
scuola.zanichelli.it
Open Graph description is not detected on the main page of Scuola Zanichelli. 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: