Tools & Wizards About Us
corsi.sinervis.com screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

corsi.sinervis.com

Corsi Informatica Milano Torino Roma - Formazione Grafica e Web

Page Load Speed

5.6 sec in total

First Response

381 ms

Resources Loaded

3.7 sec

Page Rendered

1.5 sec

corsi.sinervis.com screenshot

About Website

Welcome to corsi.sinervis.com homepage info - get ready to check Corsi Sinervis best content for Italy right away, or after learning these important things about corsi.sinervis.com

Corsi di informatica, web e grafica a Milano, Torino e Roma. Scopri le competenze più richieste. Scarica ora il programma del corso che cambierà il tuo futuro.

Visit corsi.sinervis.com

Key Findings

We analyzed Corsi.sinervis.com page load time and found that the first response time was 381 ms and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

corsi.sinervis.com performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value9.8 s

0/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value1,820 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.623

10/100

15%

TTI (Time to Interactive)

Value10.8 s

22/100

10%

Network Requests Diagram

corsi.sinervis.com

381 ms

corsi.sinervis.com

514 ms

gtag.js

280 ms

css

36 ms

all.css

40 ms

Our browser made a total of 179 requests to load all elements on the main page. We found that 83% of them (149 requests) were addressed to the original Corsi.sinervis.com, 9% (16 requests) were made to Fonts.gstatic.com and 2% (4 requests) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (693 ms) belongs to the original domain Corsi.sinervis.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 133.5 kB (27%)

Content Size

486.7 kB

After Optimization

353.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Corsi.sinervis.com main page is 486.7 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. 70% of websites need less resources to load. Javascripts take 185.9 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 125.8 kB

  • Original 150.4 kB
  • After minification 142.7 kB
  • After compression 24.7 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 125.8 kB or 84% of the original size.

Image Optimization

-7%

Potential reduce by 3.0 kB

  • Original 41.6 kB
  • After minification 38.6 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. Corsi Sinervis images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 3.1 kB

  • Original 185.9 kB
  • After minification 185.9 kB
  • After compression 182.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 1.7 kB

  • Original 108.7 kB
  • After minification 107.1 kB
  • After compression 107.0 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. Corsi.sinervis.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 34 (22%)

Requests Now

154

After Optimization

120

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 154 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Corsi Sinervis. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

corsi.sinervis.com

corsi.sinervis.com

381 ms

corsi.sinervis.com

corsi.sinervis.com

514 ms

gtag.js

gtag.js

280 ms

css

css

36 ms

all.css

all.css

40 ms

css

css

50 ms

css_PRrt66JZBGjUe_BOwvS0gzyY8qnnoiGNWlAQCotbDxg.css

css_PRrt66JZBGjUe_BOwvS0gzyY8qnnoiGNWlAQCotbDxg.css

261 ms

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css_zzizku2AnRnFZOjGyF6UduLxkOaDHqzk1nIRbZjkfJ0.css

466 ms

js_IwLksrG8sKkrR2rg_KLQ1vbcNXBo3jnW5xFRgs7Fjjc.js

js_IwLksrG8sKkrR2rg_KLQ1vbcNXBo3jnW5xFRgs7Fjjc.js

295 ms

whatsapp-chat.js

whatsapp-chat.js

293 ms

whatsapp-chat.css

whatsapp-chat.css

294 ms

jquery.min.js

jquery.min.js

17 ms

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541 ms

eu_cookie_compliance.js

eu_cookie_compliance.js

291 ms

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45 ms

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45 ms

analytics.js

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19 ms

collect

collect

54 ms

collect

collect

233 ms

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123 ms

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103 ms

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583 ms

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ins+lavagna-ico.png

587 ms

diplomato-ico.png

diplomato-ico.png

547 ms

support-ico.png

support-ico.png

583 ms

required.svg

required.svg

575 ms

Rai.jpg.webp

Rai.jpg.webp

575 ms

warner%20bros.jpg.webp

warner%20bros.jpg.webp

572 ms

Unicredit.jpg.webp

Unicredit.jpg.webp

581 ms

Telecom%20Italia.jpg.webp

Telecom%20Italia.jpg.webp

547 ms

regione%20lombardia.jpg.webp

regione%20lombardia.jpg.webp

588 ms

logo%20fastweb.png.webp

logo%20fastweb.png.webp

571 ms

il-sole-24-ore-logo.jpg.webp

il-sole-24-ore-logo.jpg.webp

572 ms

heineken.jpg.webp

heineken.jpg.webp

565 ms

enel.jpg.webp

enel.jpg.webp

564 ms

Bose.jpg.webp

Bose.jpg.webp

558 ms

Accessibility Review

corsi.sinervis.com accessibility score

81

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

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Best Practices

corsi.sinervis.com best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

corsi.sinervis.com SEO score

84

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 Corsi.sinervis.com 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 Corsi.sinervis.com 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

corsi.sinervis.com

Open Graph data is detected on the main page of Corsi Sinervis. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: