Access m42.it. Benvenuto nel nostro sito! Clicca nei reparti Astronomia e Ottica oppure nel reparto Oggettistica

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

18/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.038

100/100

15%

TTI (Time to Interactive)

Value5.5 s

70/100

10%

m42.it

336 ms

www.m42.it

1431 ms

stylesheet.css

317 ms

slideshow.css

218 ms

carousel.css

217 ms

Our browser made a total of 121 requests to load all elements on the main page. We found that 98% of them (119 requests) were addressed to the original M42.it, 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain M42.it.

Content Size

1.3 MB

After Optimization

782.0 kB

In fact, the total size of M42.it main page is 1.3 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 768.3 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 58.5 kB

Original 67.2 kB
After minification 58.5 kB
After compression 8.7 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. This page needs HTML code to be minified as it can gain 8.7 kB, which is 13% 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 58.5 kB or 87% of the original size.

Image Optimization

-16%

Potential reduce by 123.5 kB

Original 768.3 kB
After minification 644.8 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. Obviously, M42 needs image optimization as it can save up to 123.5 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 262.3 kB

Original 379.7 kB
After minification 368.6 kB
After compression 117.3 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 262.3 kB or 69% of the original size.

CSS Optimization

-86%

Potential reduce by 66.2 kB

Original 77.3 kB
After minification 57.1 kB
After compression 11.1 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. M42.it needs all CSS files to be minified and compressed as it can save up to 66.2 kB or 86% of the original size.

Requests Now

119

After Optimization

The browser has sent 119 CSS, Javascripts, AJAX and image requests in order to completely render the main page of M42. 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 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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

Form elements do not have associated labels

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 items highlight common accessibility best practices.

High

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

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

Search Engine Optimization Advices

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

High

Links are not crawlable

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

Language and Encoding

Language Detected

IT
Language Claimed

IT
Encoding

ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise M42.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 M42.it main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

m42.it

Open Graph description is not detected on the main page of M42. 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

Benvenuto nel nostro sito! Clicca nei reparti Astronomia e Ottica oppure nel reparto Oggettistica - M42 Scienza e Natura

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

m42.it

www.m42.it

stylesheet.css

slideshow.css

carousel.css

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

m42.it

www.m42.it

stylesheet.css

slideshow.css

carousel.css

jquery-1.6.1.min.js

jquery-ui-1.8.16.custom.min.js

jquery-ui-1.8.16.custom.css

jquery.cookie.js

jquery.fancybox-1.3.4.pack.js

jquery.fancybox-1.3.4.css

tabs.js

common.js

jquery.cycle.js

jquery.nivo.slider.pack.js

jquery.jcarousel.min.js

ga.js

banner_m42_2015.jpg

arrow-down.png

button-search.png

menu.png

shopping_online-m42-150x105.jpg

canon_700DA_modificata-80x80.jpg

adat_fotocamere-smartphone-80x80.jpg

konustudy-4-80x80.jpg

konus_5032_Amber-80x80.jpg

konuslight-9-80x80.jpg

sky-watcher_integra_ed105-80x80.jpg

celestron-Evo925-80x80.jpg

usato_miyauchi_bs-77-80x80.jpg

BrainBox_immagini-80x80.jpg

used_icon-85x85.png

icona_cut-85x85.jpg

SpecialistAuriga_m42-99x85.jpg

logo_ata-85x85.jpg

per_ata-85x85.jpg

facebook_banner-130x100.jpg

negozio-130x199.jpg

banner_giochi_societa_2-95x175.jpg

orologio_canoro-145x150.jpg

orologio_parete_posate-145x150.jpg

dollar_clock-145x150.jpg

vinyluse_venice-145x150.jpg