Access ledleds.it. ledleds

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value9.9 s

10/100

10%

TBT (Total Blocking Time)

Value300 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0.272

45/100

15%

TTI (Time to Interactive)

Value11.0 s

21/100

10%

ledleds.it

435 ms

www.ledleds.it

396 ms

www.ledleds.it

605 ms

jquery-1.11.1.min.js

248 ms

jquery-migrate.js

242 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 94% of them (81 requests) were addressed to the original Ledleds.it, 2% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Ledleds.it.

Content Size

1.6 MB

After Optimization

1.4 MB

In fact, the total size of Ledleds.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 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 101.4 kB

Original 119.0 kB
After minification 93.1 kB
After compression 17.6 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 25.9 kB, which is 22% 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 101.4 kB or 85% of the original size.

Image Optimization

-7%

Potential reduce by 88.0 kB

Original 1.2 MB
After minification 1.1 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. Ledleds images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 15.9 kB

Original 170.0 kB
After minification 169.4 kB
After compression 154.2 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

-7%

Potential reduce by 10.9 kB

Original 153.0 kB
After minification 153.0 kB
After compression 142.1 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. Ledleds.it has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ledleds. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 22 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-*] attributes do not have valid values

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.

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

robots.txt is not valid

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

High

Image elements do not have [alt] attributes

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/).

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 Ledleds.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 Ledleds.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

ledleds.it

Open Graph description is not detected on the main page of Ledleds. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

ledleds

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

ledleds.it

www.ledleds.it

www.ledleds.it

jquery-1.11.1.min.js

jquery-migrate.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

ledleds.it

www.ledleds.it

www.ledleds.it

jquery-1.11.1.min.js

jquery-migrate.js

div.css

flexslider.css

tab_info.css

mj-slider.css

jquery.fancybox.css

mj-mobile.css

tsc_headers.css

font-awesome.min.css

css

core.css

css-40626.css

css-cfd23.css

responsive.css

main.css

bootstrap.css

bootstrap-theme.css

stylesheet.css

main.css

ricerca_veloce.css

sidebar_filter.css

star-rating.css

jquery.countdown.css

element.js

jquery.flexslider.js

tsc_headers.js

multizoom.js

underscore-min.js

bootstrap.min.js

jquery-ui-1.10.3.custom.min.js

touch-fix.min.js

jquery.isotope.min.js

bootstrap-tour.min.js

jquery.prettyPhoto.js

jquery.carouFredSel-6.2.1-packed.js

custom.js

waypoints.js

jquery_004.js

jquery.js