Tools & Wizards About Us

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

isef.it

Integrated Security Engineering Facilities | ISEF.IT

Page Load Speed

2.2 sec in total

First Response

363 ms

Resources Loaded

1.6 sec

Page Rendered

170 ms

About Website

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

Progettazione, costruzione ed installazione di impianti e sistemi di sicurezza civili ed industriali. Integrazione, videosorveglianza, perimetrale, IT.

Visit isef.it

Key Findings

We analyzed Isef.it page load time and found that the first response time was 363 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

isef.it performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value1,590 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.376

28/100

15%

TTI (Time to Interactive)

Value15.6 s

6/100

10%

Network Requests Diagram

isef.it

363 ms

siteseal.js

102 ms

Cookie_Banner.css

203 ms

bootstrap.min.css

314 ms

style.css

209 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 60% of them (36 requests) were addressed to the original Isef.it, 10% (6 requests) were made to Fonts.gstatic.com and 8% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (941 ms) belongs to the original domain Isef.it.

Page Optimization Overview & Recommendations

Page size can be reduced by 89.8 kB (17%)

Content Size

523.8 kB

After Optimization

434.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Isef.it main page is 523.8 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. 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. Javascripts take 322.5 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 21.6 kB

  • Original 26.4 kB
  • After minification 17.9 kB
  • After compression 4.8 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 8.5 kB, which is 32% 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 21.6 kB or 82% of the original size.

Image Optimization

-9%

Potential reduce by 3.8 kB

  • Original 40.3 kB
  • After minification 36.5 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. ISEF images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 41.8 kB

  • Original 322.5 kB
  • After minification 322.3 kB
  • After compression 280.7 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 41.8 kB or 13% of the original size.

CSS Optimization

-17%

Potential reduce by 22.6 kB

  • Original 134.5 kB
  • After minification 134.5 kB
  • After compression 111.9 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. Isef.it needs all CSS files to be minified and compressed as it can save up to 22.6 kB or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (64%)

Requests Now

47

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ISEF. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

isef.it accessibility score

66

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

isef.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

isef.it SEO score

83

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 Isef.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 Isef.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 ISEF. 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: