Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

ieo.it

IEO - Istituto Europeo di Oncologia

Page Load Speed

4.7 sec in total

First Response

422 ms

Resources Loaded

3.9 sec

Page Rendered

426 ms

ieo.it screenshot

About Website

Visit ieo.it now to see the best up-to-date IEO content for Italy and also check out these interesting facts you probably never knew about ieo.it

Cure oncologiche e ricerca sui tumori: allo IEO le nuove ricerche diventano cura in tempo reale

Visit ieo.it

Key Findings

We analyzed Ieo.it page load time and found that the first response time was 422 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

ieo.it performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value12.2 s

0/100

25%

SI (Speed Index)

Value15.5 s

0/100

10%

TBT (Total Blocking Time)

Value960 ms

29/100

30%

CLS (Cumulative Layout Shift)

Value0.7

7/100

15%

TTI (Time to Interactive)

Value11.3 s

19/100

10%

Network Requests Diagram

ieo.it

422 ms

www.ieo.it

1413 ms

jquery.tools.min.js

303 ms

jquery.nanoscroller.min.js

206 ms

jquery.selectbox-0.2.min.js

212 ms

Our browser made a total of 108 requests to load all elements on the main page. We found that 84% of them (91 requests) were addressed to the original Ieo.it, 4% (4 requests) were made to Stats.g.doubleclick.net and 4% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Ieo.it.

Page Optimization Overview & Recommendations

Page size can be reduced by 615.6 kB (28%)

Content Size

2.2 MB

After Optimization

1.6 MB

In fact, the total size of Ieo.it main page is 2.2 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. 55% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 168.1 kB

  • Original 189.7 kB
  • After minification 132.5 kB
  • After compression 21.6 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 57.2 kB, which is 30% 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 168.1 kB or 89% of the original size.

Image Optimization

-5%

Potential reduce by 66.1 kB

  • Original 1.5 MB
  • After minification 1.4 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. IEO images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 206.8 kB

  • Original 333.6 kB
  • After minification 284.2 kB
  • After compression 126.7 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 206.8 kB or 62% of the original size.

CSS Optimization

-85%

Potential reduce by 174.5 kB

  • Original 205.9 kB
  • After minification 158.1 kB
  • After compression 31.4 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. Ieo.it needs all CSS files to be minified and compressed as it can save up to 174.5 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 54 (55%)

Requests Now

99

After Optimization

45

The browser has sent 99 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IEO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ieo.it accessibility score

78

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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

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

Best Practices

ieo.it best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

ieo.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

robots.txt is not valid

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 Ieo.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 Ieo.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

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