Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

direnzo.it

Di Renzo Editore - Abbiamo la Scienza nel DNA - Divulgazione Scientifica

Page Load Speed

9.7 sec in total

First Response

366 ms

Resources Loaded

8.6 sec

Page Rendered

714 ms

direnzo.it screenshot

About Website

Visit direnzo.it now to see the best up-to-date Di Renzo content and also check out these interesting facts you probably never knew about direnzo.it

Tutto il catalogo della Di Renzo Editore acquistabile online usufruendo di sconti e promozioni esclusive. Divulgazione scientifica, narrativa e filosofia

Visit direnzo.it

Key Findings

We analyzed Direnzo.it page load time and found that the first response time was 366 ms and then it took 9.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

direnzo.it performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value12.7 s

3/100

10%

TBT (Total Blocking Time)

Value220 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0.124

83/100

15%

TTI (Time to Interactive)

Value9.8 s

28/100

10%

Network Requests Diagram

direnzo.it

366 ms

5046 ms

cookies-and-content-security-policy.min.css

129 ms

frontend.css

248 ms

style.css

343 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 99% of them (87 requests) were addressed to the original Direnzo.it, 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (5 sec) belongs to the original domain Direnzo.it.

Page Optimization Overview & Recommendations

Page size can be reduced by 226.4 kB (19%)

Content Size

1.2 MB

After Optimization

970.8 kB

In fact, the total size of Direnzo.it main page is 1.2 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 619.4 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 90.5 kB

  • Original 109.1 kB
  • After minification 104.5 kB
  • After compression 18.7 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. 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 90.5 kB or 83% of the original size.

Image Optimization

-4%

Potential reduce by 22.6 kB

  • Original 619.4 kB
  • After minification 596.8 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. Di Renzo images are well optimized though.

JavaScript Optimization

-26%

Potential reduce by 68.1 kB

  • Original 263.3 kB
  • After minification 263.3 kB
  • After compression 195.1 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 68.1 kB or 26% of the original size.

CSS Optimization

-22%

Potential reduce by 45.3 kB

  • Original 205.4 kB
  • After minification 205.4 kB
  • After compression 160.1 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. Direnzo.it needs all CSS files to be minified and compressed as it can save up to 45.3 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 56 (73%)

Requests Now

77

After Optimization

21

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Di Renzo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

direnzo.it accessibility score

95

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.

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

direnzo.it best practices score

67

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

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

direnzo.it SEO score

97

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

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 Direnzo.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 Direnzo.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

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