3.4 sec in total
458 ms
2.8 sec
154 ms
Welcome to catalogo.zanichelli.it homepage info - get ready to check Catalogo Zanichelli best content for Italy right away, or after learning these important things about catalogo.zanichelli.it
catalogo storico della casa editrice Zanichelli di Bologna, da più 150 anni al servizio della cultura in Italia
Visit catalogo.zanichelli.itWe analyzed Catalogo.zanichelli.it page load time and found that the first response time was 458 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
catalogo.zanichelli.it performance score
name
value
score
weighting
Value5.1 s
9/100
10%
Value6.3 s
10/100
25%
Value8.6 s
17/100
10%
Value260 ms
83/100
30%
Value0.075
95/100
15%
Value11.2 s
20/100
10%
458 ms
288 ms
479 ms
141 ms
464 ms
Our browser made a total of 70 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Catalogo.zanichelli.it, 39% (27 requests) were made to Use.typekit.net and 34% (24 requests) were made to Zanichelli.it. The less responsive or slowest element that took the longest time to load (568 ms) relates to the external source Use.typekit.net.
Page size can be reduced by 176.5 kB (47%)
374.7 kB
198.2 kB
In fact, the total size of Catalogo.zanichelli.it main page is 374.7 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. 70% of websites need less resources to load. HTML takes 108.8 kB which makes up the majority of the site volume.
Potential reduce by 97.0 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 97.0 kB or 89% of the original size.
Potential reduce by 2.4 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. Catalogo Zanichelli images are well optimized though.
Potential reduce by 31.2 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 31.2 kB or 46% of the original size.
Potential reduce by 45.9 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. Catalogo.zanichelli.it needs all CSS files to be minified and compressed as it can save up to 45.9 kB or 43% of the original size.
Number of requests can be reduced by 31 (79%)
39
8
The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Catalogo 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 22 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
catalogo.zanichelli.it
458 ms
catalogo.zanichelli.it
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gho7ihp.js
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shop-modal.css
464 ms
styles.css
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app.css
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web-components-library.esm.js
110 ms
web-components-library.css
137 ms
zanichelli-footer.esm.js
158 ms
idp-login-topbar.esm.js
171 ms
jquery.min.js
136 ms
jquery-migrate.min.js
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modernizr.min.js
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slick.css
177 ms
jquery.typeahead.min.css
254 ms
lightbox.css
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dejavu.min.js
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Glizy.js
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it.js
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banner.css
534 ms
banner.js
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respond.min.js
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bootstrap.min.js
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slick.min.js
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jquery.typeahead.min.js
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jquery.expander.min.js
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lightbox.js
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_main.js
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script.js
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cache_c21f969b5f03d33d43e04f8f136e7682_cb7c2b9abafb1c36357984bbf77e1e64.js
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addLinkerEvents.js
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css2
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print.css
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logo.png
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diagonal-texture.png
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cart.png
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catalogo.zanichelli.it 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
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
catalogo.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
Browser errors were logged to the console
Page has valid source maps
catalogo.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 Catalogo.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 Catalogo.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.
catalogo.zanichelli.it
Open Graph description is not detected on the main page of Catalogo 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: