Tools & Wizards About Us

Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

isambiente.it

Smaltimento amianto - Bonifica Amianto - Siena, Firenze, Arezzo, Toscana - Isambiente

Page Load Speed

3 sec in total

First Response

418 ms

Resources Loaded

2.4 sec

Page Rendered

225 ms

About Website

Welcome to isambiente.it homepage info - get ready to check Isambiente best content right away, or after learning these important things about isambiente.it

Isambiente si occupa di bonifiche e smaltimento amianto,realizzazioni per coperture civili e industriali. Opera in tutta la Toscana.

Visit isambiente.it

Key Findings

We analyzed Isambiente.it page load time and found that the first response time was 418 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

isambiente.it performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value7.3 s

29/100

10%

TBT (Total Blocking Time)

Value4,560 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.373

28/100

15%

TTI (Time to Interactive)

Value13.1 s

12/100

10%

Network Requests Diagram

isambiente.it

418 ms

www.isambiente.it

634 ms

style.css

333 ms

menu.css

252 ms

jquery.min.js

6 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 88% of them (21 requests) were addressed to the original Isambiente.it, 8% (2 requests) were made to Google-analytics.com and 4% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Isambiente.it.

Page Optimization Overview & Recommendations

Page size can be reduced by 191.4 kB (54%)

Content Size

356.7 kB

After Optimization

165.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Isambiente.it main page is 356.7 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. 20% of websites need less resources to load. Javascripts take 237.9 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 6.9 kB

  • Original 10.3 kB
  • After minification 9.1 kB
  • After compression 3.3 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. This page needs HTML code to be minified as it can gain 1.1 kB, which is 11% 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 6.9 kB or 67% of the original size.

Image Optimization

-5%

Potential reduce by 4.6 kB

  • Original 90.8 kB
  • After minification 86.3 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. Isambiente images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 165.6 kB

  • Original 237.9 kB
  • After minification 230.2 kB
  • After compression 72.3 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 165.6 kB or 70% of the original size.

CSS Optimization

-81%

Potential reduce by 14.3 kB

  • Original 17.7 kB
  • After minification 13.4 kB
  • After compression 3.4 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. Isambiente.it needs all CSS files to be minified and compressed as it can save up to 14.3 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (14%)

Requests Now

22

After Optimization

19

  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Isambiente. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

isambiente.it accessibility score

91

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

isambiente.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

isambiente.it SEO score

86

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

Language and Encoding

  • Language Detected

    IT

  • Language Claimed

    IT

  • Encoding

    ISO-8859-1

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

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