Tools & Wizards About Us
zerounoweb.it screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

zerounoweb.it

ZeroUno - Il portale di riferimento per i CIO in Italia

Page Load Speed

8.7 sec in total

First Response

1.4 sec

Resources Loaded

6.8 sec

Page Rendered

492 ms

zerounoweb.it screenshot

About Website

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

ZeroUno è, dal 1981, il punto di riferimento dei CIO in Italia per analisi, approfondimento, aggiornamento e sviluppo di tecnologie ICT applicate al business.

Visit zerounoweb.it

Key Findings

We analyzed Zerounoweb.it page load time and found that the first response time was 1.4 sec and then it took 7.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

zerounoweb.it performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

0/100

25%

SI (Speed Index)

Value4.8 s

68/100

10%

TBT (Total Blocking Time)

Value3,240 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value14.0 s

10/100

10%

Network Requests Diagram

zerounoweb.it

1426 ms

www.zerounoweb.it

692 ms

css

51 ms

style.css

349 ms

ipad.css

213 ms

Our browser made a total of 155 requests to load all elements on the main page. We found that 73% of them (113 requests) were addressed to the original Zerounoweb.it, 11% (17 requests) were made to Impit.tradedoubler.com and 3% (4 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Zerounoweb.it.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (41%)

Content Size

2.7 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zerounoweb.it main page is 2.7 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. 50% of websites need less resources to load. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 185.4 kB

  • Original 235.7 kB
  • After minification 232.7 kB
  • After compression 50.3 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 185.4 kB or 79% of the original size.

Image Optimization

-4%

Potential reduce by 43.4 kB

  • Original 1.0 MB
  • After minification 997.1 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. Zero Uno Web images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 702.1 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 496.6 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 702.1 kB or 59% of the original size.

CSS Optimization

-87%

Potential reduce by 159.5 kB

  • Original 182.7 kB
  • After minification 153.4 kB
  • After compression 23.2 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. Zerounoweb.it needs all CSS files to be minified and compressed as it can save up to 159.5 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 60 (40%)

Requests Now

150

After Optimization

90

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 150 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zero Uno Web. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zerounoweb.it

zerounoweb.it

1426 ms

www.zerounoweb.it

www.zerounoweb.it

692 ms

css

css

51 ms

style.css

style.css

349 ms

ipad.css

ipad.css

213 ms

jquery-ui-1.8.17.custom.css

jquery-ui-1.8.17.custom.css

437 ms

jquery.fancybox.css

jquery.fancybox.css

335 ms

jquery.fancybox-buttons.css

jquery.fancybox-buttons.css

355 ms

cookielabel.css

cookielabel.css

244 ms

jquery.min.js

jquery.min.js

55 ms

zerouno.js

zerouno.js

457 ms

jcarousellite_1.0.1.js

jcarousellite_1.0.1.js

480 ms

jquery-ui-1.8.17.custom.min.js

jquery-ui-1.8.17.custom.min.js

874 ms

jquery.fancybox.pack.js

jquery.fancybox.pack.js

566 ms

commenti.min.js

commenti.min.js

625 ms

jquery.fancybox-buttons.js

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jquery.ui.datepicker-it.js

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flashutils.js

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751 ms

plusone.js

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80 ms

StringResources.js

StringResources.js

807 ms

privacy-cookies.js

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856 ms

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426 ms

addthis_widget.js

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44 ms

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234 ms

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1472 ms

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1476 ms

imp

imp

4 ms

Q_pTky3Sc3ubRibGToTAYiylde52zikAzebNtJS89aM.woff

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6 ms

UyYrYy3ltEffJV9QueSi4RdbPw3QSf9R-kE0EsQUn2A.woff

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11 ms

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5 ms

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1386 ms

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104 ms

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4 ms

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8 ms

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482 ms

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1281 ms

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8851-8870-video-intervista-a-carlo-polese2.jpg

1354 ms

__utm.gif

__utm.gif

15 ms

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1563 ms

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1557 ms

ferrara_video_immagine2.jpg

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1543 ms

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collect

58 ms

MSForum_300x250.html

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138 ms

runtime.js

runtime.js

33 ms

3-domande-sap-video2.jpg

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1456 ms

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1383 ms

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1373 ms

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1513 ms

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1503 ms

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1439 ms

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1408 ms

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1406 ms

284 ms

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30 ms

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23 ms

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1265 ms

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1417 ms

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5 ms

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1429 ms

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it.js

3 ms

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1392 ms

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1426 ms

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1344 ms

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1444 ms

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1449 ms

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5 ms

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27 ms

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221 ms

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1309 ms

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1394 ms

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1075 ms

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print.css

111 ms

Accessibility Review

zerounoweb.it accessibility score

69

Accessibility Issues

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

[id] attributes on active, focusable elements are not unique

High

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

High

<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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

zerounoweb.it best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

zerounoweb.it SEO score

82

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

    IT

  • Encoding

    UTF-8

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

zerounoweb.it

Open Graph description is not detected on the main page of Zero Uno Web. 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: