Tools & Wizards About Us
claudionegro.com screenshot

Report Summary

  • 0

    Performance

  • 33

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

claudionegro.com

Claudio Negro's home page, how to project and test a loudspeaker using Speaker Workshop

Page Load Speed

2.2 sec in total

First Response

477 ms

Resources Loaded

1.7 sec

Page Rendered

70 ms

claudionegro.com screenshot

About Website

Welcome to claudionegro.com homepage info - get ready to check Claudio Negro best content for Italy right away, or after learning these important things about claudionegro.com

Speaker Workshop makes it possible to design and test loudspeakers using a PC with a sound card. You will find projects of speakers (double chamber reflex and a dipole), two power amplifiers (My_ Ref....

Visit claudionegro.com

Key Findings

We analyzed Claudionegro.com page load time and found that the first response time was 477 ms and then it took 1.7 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

claudionegro.com performance score

0

Network Requests Diagram

claudionegro.com

477 ms

heading.html

225 ms

code.html

234 ms

menu_empty.html

230 ms

main.html

344 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 71% of them (12 requests) were addressed to the original Claudionegro.com, 12% (2 requests) were made to Chs02.cookie-script.com and 6% (1 request) were made to Statcounter.com. The less responsive or slowest element that took the longest time to load (671 ms) belongs to the original domain Claudionegro.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 33.0 kB (38%)

Content Size

87.7 kB

After Optimization

54.7 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Claudionegro.com main page is 87.7 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. 15% of websites need less resources to load. Javascripts take 73.1 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 2.9 kB

  • Original 4.3 kB
  • After minification 3.9 kB
  • After compression 1.4 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 2.9 kB or 68% of the original size.

Image Optimization

-6%

Potential reduce by 661 B

  • Original 10.4 kB
  • After minification 9.7 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. Claudio Negro images are well optimized though.

JavaScript Optimization

-40%

Potential reduce by 29.5 kB

  • Original 73.1 kB
  • After minification 63.6 kB
  • After compression 43.6 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 29.5 kB or 40% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (27%)

Requests Now

15

After Optimization

11

  • AJAX
  • Images
  • JavaScript

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Claudio Negro. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

claudionegro.com

claudionegro.com

477 ms

heading.html

heading.html

225 ms

code.html

code.html

234 ms

menu_empty.html

menu_empty.html

230 ms

main.html

main.html

344 ms

blueback.jpg

blueback.jpg

115 ms

spkr.png

spkr.png

228 ms

spkl.png

spkl.png

230 ms

mtmtrack.js

mtmtrack.js

115 ms

mtmcode.js

mtmcode.js

671 ms

269c0500b3a99b688c1848dde0d8424a.js

269c0500b3a99b688c1848dde0d8424a.js

341 ms

counter.js

counter.js

27 ms

bandieraitalia.gif

bandieraitalia.gif

382 ms

t.php

t.php

100 ms

jquery.min.js

jquery.min.js

13 ms

pixel.gif

pixel.gif

105 ms

blueback.jpg

blueback.jpg

378 ms

Accessibility Review

claudionegro.com accessibility score

33

Accessibility Issues

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

<frame> or <iframe> elements do not have a title

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

claudionegro.com 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

SEO Factors

claudionegro.com SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Claudionegro.com 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 Claudionegro.com main page’s claimed encoding is windows-1252. 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

claudionegro.com

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