Tools & Wizards About Us
telethon.it screenshot

Report Summary

  • 0

    Performance

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

telethon.it

Homepage - Telethon

Page Load Speed

5.7 sec in total

First Response

317 ms

Resources Loaded

4.7 sec

Page Rendered

652 ms

telethon.it screenshot

About Website

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

Telethon funds research to find a cure for all rare genetic diseases. Discover all the goals and future projects of our Foundation.

Visit telethon.it

Key Findings

We analyzed Telethon.it page load time and found that the first response time was 317 ms and then it took 5.4 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

telethon.it performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

73/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value0

0/100

10%

TBT (Total Blocking Time)

Value1,510 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.6 s

6/100

10%

Network Requests Diagram

telethon.it

317 ms

en

594 ms

optimize.js

82 ms

gtm.js

112 ms

js

153 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 42% of them (16 requests) were addressed to the original Telethon.it, 21% (8 requests) were made to Back.telethon.it and 8% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (3.2 sec) relates to the external source Back.telethon.it.

Page Optimization Overview & Recommendations

Page size can be reduced by 471.1 kB (9%)

Content Size

5.0 MB

After Optimization

4.5 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Telethon.it main page is 5.0 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. 70% of websites need less resources to load. Images take 4.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 395.3 kB

  • Original 484.1 kB
  • After minification 482.5 kB
  • After compression 88.8 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 395.3 kB or 82% of the original size.

Image Optimization

-2%

Potential reduce by 75.7 kB

  • Original 4.1 MB
  • After minification 4.0 MB

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. Telethon images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 17 B

  • Original 380.7 kB
  • After minification 380.7 kB
  • After compression 380.7 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 19 (58%)

Requests Now

33

After Optimization

14

  • Images
  • JavaScript

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Telethon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

telethon.it

telethon.it

317 ms

en

en

594 ms

optimize.js

optimize.js

82 ms

gtm.js

gtm.js

112 ms

js

js

153 ms

email-decode.min.js

email-decode.min.js

28 ms

71b031f.js

71b031f.js

42 ms

5c735bd.js

5c735bd.js

40 ms

295643f.js

295643f.js

42 ms

d47aa9b.js

d47aa9b.js

447 ms

8a84b11.js

8a84b11.js

591 ms

b91e0dd.js

b91e0dd.js

52 ms

livechat.js

livechat.js

191 ms

hotjar-2874705.js

hotjar-2874705.js

184 ms

loader.js

loader.js

418 ms

image-slide.jpg

image-slide.jpg

1613 ms

fbevents.js

fbevents.js

82 ms

dna-logo-w.f7c871c.svg

dna-logo-w.f7c871c.svg

249 ms

tt2.5ef29a8.svg

tt2.5ef29a8.svg

258 ms

4.038029d.svg

4.038029d.svg

30 ms

ana-carolina-missione-1.jpg

ana-carolina-missione-1.jpg

2141 ms

2-2.jpg

2-2.jpg

2320 ms

box-Ostuni-px.jpg

box-Ostuni-px.jpg

2813 ms

Lorenzo_OK.png

Lorenzo_OK.png

3246 ms

Auricchio-Alberto-Tigem.jpg

Auricchio-Alberto-Tigem.jpg

2343 ms

fabian_ferrua-1.jpg

fabian_ferrua-1.jpg

2813 ms

cs_ada-scid.jpg

cs_ada-scid.jpg

2821 ms

landing

landing

125 ms

modules.1a30a0a67c3c23c13060.js

modules.1a30a0a67c3c23c13060.js

15 ms

MuseoSansRounded-700.ca79d3b.woff

MuseoSansRounded-700.ca79d3b.woff

1381 ms

MuseoSansRounded-500.2a77807.woff

MuseoSansRounded-500.2a77807.woff

1360 ms

sdk.225782502305d81c1c91848fa5ea75318a997fd2.js

sdk.225782502305d81c1c91848fa5ea75318a997fd2.js

7 ms

2c95052.js

2c95052.js

566 ms

ui-gdpr-it-web.225782502305d81c1c91848fa5ea75318a997fd2.js

ui-gdpr-it-web.225782502305d81c1c91848fa5ea75318a997fd2.js

334 ms

destination

destination

118 ms

4a4a722.js

4a4a722.js

245 ms

src=12281374;type=telethon;cat=allpages;ord=8793838309450;npa=1;pscdl=denied;frm=0;gtm=45fe4510v9181805800z871336424za201;gcs=G101;gcd=13q3v3q3q5;dma_cps=-;dma=0;tcfd=10000;epver=2;~oref=https%3A%2F%2Fwww.telethon.it%2Fen

src=12281374;type=telethon;cat=allpages;ord=8793838309450;npa=1;pscdl=denied;frm=0;gtm=45fe4510v9181805800z871336424za201;gcs=G101;gcd=13q3v3q3q5;dma_cps=-;dma=0;tcfd=10000;epver=2;~oref=https%3A%2F%2Fwww.telethon.it%2Fen

718 ms

js

js

83 ms

Accessibility Review

telethon.it accessibility score

76

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

telethon.it best practices score

83

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

Missing source maps for large first-party JavaScript

SEO Factors

telethon.it SEO score

83

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Telethon.it can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Telethon.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

telethon.it

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