Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

isover.it

Isover: leader nei prodotti e soluzioni per l'isolamento termo acustico | Isover Italia

Page Load Speed

12.4 sec in total

First Response

3.9 sec

Resources Loaded

8.2 sec

Page Rendered

320 ms

isover.it screenshot

About Website

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

Isover produce prodotti per l'isolamento termico e acustico destinate al mondo dell'edilizia, dell'industria e dei trasporti.

Visit isover.it

Key Findings

We analyzed Isover.it page load time and found that the first response time was 3.9 sec and then it took 8.6 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

isover.it performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

5/100

25%

SI (Speed Index)

Value8.8 s

16/100

10%

TBT (Total Blocking Time)

Value1,420 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.839

4/100

15%

TTI (Time to Interactive)

Value10.0 s

26/100

10%

Network Requests Diagram

isover.it

3881 ms

www.isover.it

3174 ms

css_kShW4RPmRstZ3SpIC-ZvVGNFVAi0WEMuCnI0ZkYIaFw.css

83 ms

css_NQgNhAnk1kk7DrxE5Q0R3ovlJo7hNVjRg_vyqwcxias.css

153 ms

css_Hj-L7XQcE0qfyJRECGV_H0uiR6AMwoPoTuTUbvzzim0.css

156 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 82% of them (42 requests) were addressed to the original Isover.it, 8% (4 requests) were made to Google-analytics.com and 4% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (3.9 sec) belongs to the original domain Isover.it.

Page Optimization Overview & Recommendations

Page size can be reduced by 808.5 kB (51%)

Content Size

1.6 MB

After Optimization

780.9 kB

In fact, the total size of Isover.it main page is 1.6 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 662.9 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 74.2 kB

  • Original 86.7 kB
  • After minification 79.3 kB
  • After compression 12.5 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 74.2 kB or 86% of the original size.

Image Optimization

-7%

Potential reduce by 46.4 kB

  • Original 662.9 kB
  • After minification 616.5 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. Isover images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 244.9 kB

  • Original 320.8 kB
  • After minification 243.0 kB
  • After compression 75.8 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 244.9 kB or 76% of the original size.

CSS Optimization

-85%

Potential reduce by 442.9 kB

  • Original 518.9 kB
  • After minification 507.0 kB
  • After compression 76.0 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. Isover.it needs all CSS files to be minified and compressed as it can save up to 442.9 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (37%)

Requests Now

49

After Optimization

31

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Isover. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

isover.it accessibility score

86

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

[role] values are not valid

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.

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

Links do not have a discernible name

Best Practices

isover.it best practices score

67

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

Browser errors were logged to the console

SEO Factors

isover.it SEO score

81

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

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 doesn't use 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 Isover.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 Isover.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 Isover. 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: