Tools & Wizards About Us
galileo.imss.firenze.it screenshot

Report Summary

  • 77

    Performance

    Renders faster than
    84% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

galileo.imss.firenze.it

Institute and Museum of the History of Science - Florence, Italy

Page Load Speed

2 sec in total

First Response

354 ms

Resources Loaded

1.5 sec

Page Rendered

74 ms

galileo.imss.firenze.it screenshot

About Website

Visit galileo.imss.firenze.it now to see the best up-to-date Galileo Imss Firenze content and also check out these interesting facts you probably never knew about galileo.imss.firenze.it

Website of the IMSS in Florence, Italy, housing many significant historical scientific instruments, texts and manuscripts, in particular those of Galileo Galilei. Offers many online interactive catalo...

Visit galileo.imss.firenze.it

Key Findings

We analyzed Galileo.imss.firenze.it page load time and found that the first response time was 354 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

galileo.imss.firenze.it performance score

77

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

32/100

25%

SI (Speed Index)

Value2.8 s

95/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value4.6 s

81/100

10%

Network Requests Diagram

galileo.imss.firenze.it

354 ms

www.imss.fi.it

662 ms

gtm.js

63 ms

home.css

107 ms

urchin.js

9 ms

Our browser made a total of 8 requests to load all elements on the main page. We found that 13% of them (1 request) were addressed to the original Galileo.imss.firenze.it, 50% (4 requests) were made to Imss.fi.it and 13% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (662 ms) relates to the external source Imss.fi.it.

Page Optimization Overview & Recommendations

Page size can be reduced by 9.6 kB (10%)

Content Size

95.7 kB

After Optimization

86.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Galileo.imss.firenze.it main page is 95.7 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. Only 10% of websites need less resources to load. Images take 77.8 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 3.3 kB

  • Original 4.9 kB
  • After minification 4.1 kB
  • After compression 1.6 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 764 B, which is 16% 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 3.3 kB or 67% of the original size.

Image Optimization

-0%

Potential reduce by 248 B

  • Original 77.8 kB
  • After minification 77.5 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. Galileo Imss Firenze images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 971 B

  • Original 6.8 kB
  • After minification 6.8 kB
  • After compression 5.9 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 971 B or 14% of the original size.

CSS Optimization

-83%

Potential reduce by 5.1 kB

  • Original 6.2 kB
  • After minification 3.4 kB
  • After compression 1.0 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. Galileo.imss.firenze.it needs all CSS files to be minified and compressed as it can save up to 5.1 kB or 83% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Galileo Imss Firenze. According to our analytics all requests are already optimized.

Network Requests Diagram

galileo.imss.firenze.it

galileo.imss.firenze.it

354 ms

www.imss.fi.it

www.imss.fi.it

662 ms

gtm.js

gtm.js

63 ms

home.css

home.css

107 ms

urchin.js

urchin.js

9 ms

quadretti.jpg

quadretti.jpg

213 ms

nuova_home_big.jpg

nuova_home_big.jpg

531 ms

__utm.gif

__utm.gif

16 ms

Accessibility Review

galileo.imss.firenze.it accessibility score

93

Accessibility Issues

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

Best Practices

galileo.imss.firenze.it best practices score

58

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

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

galileo.imss.firenze.it SEO score

67

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Galileo.imss.firenze.it can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Galileo.imss.firenze.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

galileo.imss.firenze.it

Open Graph description is not detected on the main page of Galileo Imss Firenze. 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: