Access liguori.it. Vendita ebook online, libri di testo universitari

name

value

score

weighting

FCP (First Contentful Paint)

Value7.5 s

1/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

0/100

25%

SI (Speed Index)

Value13.1 s

2/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.034

100/100

15%

TTI (Time to Interactive)

Value12.0 s

16/100

10%

Default.asp

1465 ms

generale.css

763 ms

screen.css

625 ms

shadowbox.css

379 ms

pagine_tab.css

602 ms

Our browser made a total of 126 requests to load all elements on the main page. We found that 98% of them (124 requests) were addressed to the original Liguori.it, 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (4.3 sec) belongs to the original domain Liguori.it.

Content Size

1.4 MB

After Optimization

773.1 kB

In fact, the total size of Liguori.it main page is 1.4 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. 30% of websites need less resources to load. Images take 665.1 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 89.0 kB

Original 98.7 kB
After minification 72.7 kB
After compression 9.7 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 26.1 kB, which is 26% 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 89.0 kB or 90% of the original size.

Image Optimization

-10%

Potential reduce by 64.0 kB

Original 665.1 kB
After minification 601.1 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. Liguori images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 317.6 kB

Original 457.4 kB
After minification 434.5 kB
After compression 139.9 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 317.6 kB or 69% of the original size.

CSS Optimization

-85%

Potential reduce by 130.4 kB

Original 152.8 kB
After minification 115.8 kB
After compression 22.4 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. Liguori.it needs all CSS files to be minified and compressed as it can save up to 130.4 kB or 85% of the original size.

Requests Now

125

After Optimization

The browser has sent 125 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Liguori. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

Language and Encoding

Language Detected

IT
Language Claimed

N/A
Encoding

ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Liguori.it 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 Liguori.it 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.

Social Sharing Optimization

liguori.it

Open Graph description is not detected on the main page of Liguori. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

Vendita ebook online, libri di testo universitari - Liguori Editore

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

Default.asp

generale.css

screen.css

shadowbox.css

pagine_tab.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

Default.asp

generale.css

screen.css

shadowbox.css

pagine_tab.css

catalogo_tematico.css

tf.css

te.css

TJ.css

liguori.css

scheda_volume.css

shadowbox.js

jquery.js

ui.core.js

jquery.autogrow.js

jquery.clearinginput.js

jquery.externallink.js

jquery.forms.js

jquery.loopedslider.js

jquery.timers.js

jquery.tooltip.js

core.js

tabs-home.css

form_search.css

sfondo_body.jpg

sizzle.js

shadowbox-it.js

swfobject.js

shadowbox-flv.js

shadowbox-html.js

shadowbox-iframe.js

shadowbox-img.js

shadowbox-qt.js

shadowbox-swf.js

shadowbox-wmp.js

shadowbox-jquery.js

ga.js

inevidenza.asp

topten.asp

sfondo_header.jpg

logo.jpg

sfondo_menu_principale.jpg

carrello.jpg