Tools & Wizards About Us
itacalibri.it screenshot

Report Summary

  • 5

    Performance

    Renders faster than
    21% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

itacalibri.it

Itacalibri: vendita libri - ebook - dvd | cultura cattolica

Page Load Speed

7.2 sec in total

First Response

301 ms

Resources Loaded

6 sec

Page Rendered

966 ms

itacalibri.it screenshot

About Website

Welcome to itacalibri.it homepage info - get ready to check Itacalibri best content for Italy right away, or after learning these important things about itacalibri.it

Una selezione curata di titoli: libri, ebook, dvd dedicati all'educazione, alla cultura cattolica, scolastica e narrativa in generale. Scopri le novità!

Visit itacalibri.it

Key Findings

We analyzed Itacalibri.it page load time and found that the first response time was 301 ms and then it took 6.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

itacalibri.it performance score

5

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value14.0 s

0/100

25%

SI (Speed Index)

Value11.6 s

4/100

10%

TBT (Total Blocking Time)

Value1,690 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.697

7/100

15%

TTI (Time to Interactive)

Value21.7 s

1/100

10%

Network Requests Diagram

itacalibri.it

301 ms

www.itacalibri.it

1202 ms

bootstrap.min.css

36 ms

css

43 ms

css

54 ms

Our browser made a total of 136 requests to load all elements on the main page. We found that 68% of them (93 requests) were addressed to the original Itacalibri.it, 13% (17 requests) were made to Fonts.gstatic.com and 4% (5 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Itacalibri.it.

Page Optimization Overview & Recommendations

Page size can be reduced by 489.5 kB (6%)

Content Size

7.9 MB

After Optimization

7.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Itacalibri.it main page is 7.9 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 6.8 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 346.5 kB

  • Original 432.6 kB
  • After minification 331.7 kB
  • After compression 86.2 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 100.9 kB, which is 23% 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 346.5 kB or 80% of the original size.

Image Optimization

-1%

Potential reduce by 53.4 kB

  • Original 6.8 MB
  • After minification 6.7 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. Itacalibri images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 89.4 kB

  • Original 602.0 kB
  • After minification 594.9 kB
  • After compression 512.6 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 89.4 kB or 15% of the original size.

CSS Optimization

-0%

Potential reduce by 237 B

  • Original 64.8 kB
  • After minification 64.8 kB
  • After compression 64.6 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. Itacalibri.it has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 29 (25%)

Requests Now

114

After Optimization

85

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 114 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Itacalibri. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

itacalibri.it

itacalibri.it

301 ms

www.itacalibri.it

www.itacalibri.it

1202 ms

bootstrap.min.css

bootstrap.min.css

36 ms

css

css

43 ms

css

css

54 ms

font-awesome.min.css

font-awesome.min.css

46 ms

css

css

60 ms

modernizr

modernizr

397 ms

cssfile

cssfile

492 ms

main.min.css

main.min.css

508 ms

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respond.min.js

425 ms

JsScripts

JsScripts

1135 ms

controlli

controlli

526 ms

checkBrowser.js

checkBrowser.js

443 ms

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624 ms

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WebResource.axd

448 ms

api.js

api.js

34 ms

ScriptResource.axd

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412 ms

Telerik.Web.UI.WebResource.axd

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945 ms

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268 ms

checkBrowser.css

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106 ms

gtm.js

gtm.js

151 ms

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137 ms

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136 ms

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137 ms

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137 ms

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239 ms

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135 ms

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417 ms

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237 ms

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616 ms

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1095 ms

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237 ms

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871 ms

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616 ms

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973 ms

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683 ms

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1076 ms

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902 ms

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1318 ms

Tematiche_Edizioni.png

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970 ms

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1006 ms

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1068 ms

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1076 ms

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1388 ms

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1475 ms

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1202 ms

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1415 ms

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1460 ms

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1482 ms

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260 ms

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261 ms

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260 ms

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276 ms

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171 ms

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189 ms

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189 ms

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189 ms

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189 ms

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188 ms

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1455 ms

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1470 ms

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268 ms

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95 ms

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174 ms

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229 ms

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1372 ms

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1429 ms

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118 ms

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10 ms

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48 ms

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1269 ms

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135 ms

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34 ms

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64 ms

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21 ms

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68 ms

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13 ms

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18 ms

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840 ms

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807 ms

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775 ms

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810 ms

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729 ms

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745 ms

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665 ms

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Accessibility Review

itacalibri.it accessibility score

81

Accessibility Issues

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

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

itacalibri.it best practices score

50

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

itacalibri.it SEO score

84

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

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

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    IT

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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

Social Sharing Optimization

itacalibri.it

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