Tools & Wizards About Us
osel.it screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

osel.it

Home - Osel - elearning Revolution Digital Learning corsi online

Page Load Speed

5.7 sec in total

First Response

1.1 sec

Resources Loaded

4.3 sec

Page Rendered

238 ms

osel.it screenshot

About Website

Click here to check amazing Osel content for Italy. Otherwise, check out these important facts you probably never knew about osel.it

Osel è il tuo alleato per la formazione in azienda in grado di progettare e sviluppare soluzioni per il digital learning aziendale.

Visit osel.it

Key Findings

We analyzed Osel.it page load time and found that the first response time was 1.1 sec and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

osel.it performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value16.0 s

0/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value780 ms

37/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value12.5 s

14/100

10%

Network Requests Diagram

osel.it

1107 ms

wp-emoji-release.min.js

327 ms

styles.css

167 ms

cli-style.css

165 ms

css

23 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 40% of them (29 requests) were addressed to the original Osel.it, 17% (12 requests) were made to I0.wp.com and 11% (8 requests) were made to I2.wp.com. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source I1.wp.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 820.1 kB (53%)

Content Size

1.6 MB

After Optimization

739.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Osel.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. 45% of websites need less resources to load. Images take 543.2 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 35.2 kB

  • Original 45.0 kB
  • After minification 42.0 kB
  • After compression 9.8 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. 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 35.2 kB or 78% of the original size.

Image Optimization

-1%

Potential reduce by 5.4 kB

  • Original 543.2 kB
  • After minification 537.8 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. Osel images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 317.5 kB

  • Original 446.5 kB
  • After minification 400.2 kB
  • After compression 128.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 317.5 kB or 71% of the original size.

CSS Optimization

-88%

Potential reduce by 462.0 kB

  • Original 525.4 kB
  • After minification 470.2 kB
  • After compression 63.4 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. Osel.it needs all CSS files to be minified and compressed as it can save up to 462.0 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (48%)

Requests Now

65

After Optimization

34

  • Images
  • JavaScript
  • CSS

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Osel. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

osel.it

osel.it

1107 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

327 ms

styles.css

styles.css

167 ms

cli-style.css

cli-style.css

165 ms

css

css

23 ms

style.css

style.css

852 ms

style.css

style.css

164 ms

shortcodes.css

shortcodes.css

328 ms

shortcodes_responsive.css

shortcodes_responsive.css

243 ms

magnific_popup.css

magnific_popup.css

245 ms

jetpack.css

jetpack.css

406 ms

jquery.js

jquery.js

648 ms

jquery-migrate.min.js

jquery-migrate.min.js

327 ms

cookielawinfo.js

cookielawinfo.js

402 ms

frontend-builder-global-functions.js

frontend-builder-global-functions.js

402 ms

photon.js

photon.js

408 ms

jquery.form.min.js

jquery.form.min.js

481 ms

scripts.js

scripts.js

483 ms

devicepx-jetpack.js

devicepx-jetpack.js

5 ms

gprofiles.js

gprofiles.js

57 ms

wpgroho.js

wpgroho.js

482 ms

comment-reply.min.js

comment-reply.min.js

483 ms

jquery.mobile.custom.min.js

jquery.mobile.custom.min.js

562 ms

custom.js

custom.js

643 ms

jquery.fitvids.js

jquery.fitvids.js

563 ms

waypoints.min.js

waypoints.min.js

564 ms

jquery.magnific-popup.js

jquery.magnific-popup.js

722 ms

frontend-builder-scripts.js

frontend-builder-scripts.js

956 ms

wp-embed.min.js

wp-embed.min.js

645 ms

e-201611.js

e-201611.js

4 ms

fbevents.js

fbevents.js

70 ms

chess-cube-25_transp.png

chess-cube-25_transp.png

1601 ms

1-award_transp.png

1-award_transp.png

2043 ms

skills.jpg

skills.jpg

1565 ms

logo_erev_4.png

logo_erev_4.png

234 ms

overlay.png

overlay.png

235 ms

know-how1.png

know-how1.png

1538 ms

demo1.png

demo1.png

634 ms

coldiretti.jpeg

coldiretti.jpeg

589 ms

demode.png

demode.png

1654 ms

pooya.png

pooya.png

55 ms

vodafone.png

vodafone.png

56 ms

leadership.png

leadership.png

1866 ms

prodotti.png

prodotti.png

605 ms

chi-sei1.png

chi-sei1.png

541 ms

aub-ok.jpg

aub-ok.jpg

451 ms

logo-intesa_s_tra.png

logo-intesa_s_tra.png

754 ms

mubs-logo.png

mubs-logo.png

647 ms

isgs.png

isgs.png

1154 ms

valentino.png

valentino.png

1288 ms

knowk-ok.jpg

knowk-ok.jpg

1405 ms

cmu_logo.png

cmu_logo.png

1404 ms

hs-ok.jpg

hs-ok.jpg

754 ms

sematic.png

sematic.png

1880 ms

logo_erev_4-e1441734008635.png

logo_erev_4-e1441734008635.png

437 ms

uniba.png

uniba.png

586 ms

bau.png

bau.png

840 ms

Brembo1.png

Brembo1.png

728 ms

geox.png

geox.png

2311 ms

rhiag3.png

rhiag3.png

1343 ms

analytics.js

analytics.js

186 ms

u-WUoqrET9fUeobQW7jkRT8E0i7KZn-EPnyo3HZu7kw.woff

u-WUoqrET9fUeobQW7jkRT8E0i7KZn-EPnyo3HZu7kw.woff

173 ms

DXI1ORHCpsQm3Vp6mXoaTRa1RVmPjeKy21_GQJaLlJI.woff

DXI1ORHCpsQm3Vp6mXoaTRa1RVmPjeKy21_GQJaLlJI.woff

174 ms

MTP_ySUJH_bn48VBG8sNSha1RVmPjeKy21_GQJaLlJI.woff

MTP_ySUJH_bn48VBG8sNSha1RVmPjeKy21_GQJaLlJI.woff

175 ms

k3k702ZOKiLJc3WVjuplzBa1RVmPjeKy21_GQJaLlJI.woff

k3k702ZOKiLJc3WVjuplzBa1RVmPjeKy21_GQJaLlJI.woff

174 ms

EInbV5DfGHOiMmvb1Xr-hha1RVmPjeKy21_GQJaLlJI.woff

EInbV5DfGHOiMmvb1Xr-hha1RVmPjeKy21_GQJaLlJI.woff

173 ms

ETmodules_v2_4.ttf

ETmodules_v2_4.ttf

249 ms

hovercard.css

hovercard.css

65 ms

services.css

services.css

66 ms

29 ms

g.gif

g.gif

25 ms

collect

collect

27 ms

Accessibility Review

osel.it accessibility score

88

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.

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

osel.it 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

osel.it SEO score

100

Search Engine Optimization Advices

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

    UTF-8

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

osel.it

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