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nvda.it screenshot

Report Summary

  • 85

    Performance

    Renders faster than
    89% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

nvda.it

Nvda | screen reader open source per non vedenti - comunità italiana

Page Load Speed

2.1 sec in total

First Response

289 ms

Resources Loaded

1.6 sec

Page Rendered

199 ms

nvda.it screenshot

About Website

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

Visit nvda.it

Key Findings

We analyzed Nvda.it page load time and found that the first response time was 289 ms and then it took 1.8 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

nvda.it performance score

85

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

75/100

25%

SI (Speed Index)

Value4.2 s

77/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.1 s

95/100

10%

Network Requests Diagram

nvda.it

289 ms

css_22c413189821a8634cc8ae95190f728f.css

94 ms

js_d0a4adbf8a5ede31edb424f2cdb3127a.js

278 ms

js_888434c655d8d63175a840fa438a7e42.js

185 ms

valid-xhtml10

1031 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that 86% of them (6 requests) were addressed to the original Nvda.it, 14% (1 request) were made to W3.org. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source W3.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 86.6 kB (71%)

Content Size

122.3 kB

After Optimization

35.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nvda.it main page is 122.3 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 5% of websites need less resources to load. Javascripts take 55.6 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 14.3 kB

  • Original 19.6 kB
  • After minification 17.6 kB
  • After compression 5.3 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 14.3 kB or 73% of the original size.

Image Optimization

-5%

Potential reduce by 37 B

  • Original 764 B
  • After minification 727 B

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. Nvda images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 34.3 kB

  • Original 55.6 kB
  • After minification 46.7 kB
  • After compression 21.3 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 34.3 kB or 62% of the original size.

CSS Optimization

-82%

Potential reduce by 37.9 kB

  • Original 46.3 kB
  • After minification 38.2 kB
  • After compression 8.4 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. Nvda.it needs all CSS files to be minified and compressed as it can save up to 37.9 kB or 82% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

  • AJAX
  • Images
  • JavaScript
  • CSS

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

Network Requests Diagram

nvda.it

nvda.it

289 ms

css_22c413189821a8634cc8ae95190f728f.css

css_22c413189821a8634cc8ae95190f728f.css

94 ms

js_d0a4adbf8a5ede31edb424f2cdb3127a.js

js_d0a4adbf8a5ede31edb424f2cdb3127a.js

278 ms

js_888434c655d8d63175a840fa438a7e42.js

js_888434c655d8d63175a840fa438a7e42.js

185 ms

valid-xhtml10

valid-xhtml10

1031 ms

feed.png

feed.png

93 ms

run-cron-check

run-cron-check

365 ms

Accessibility Review

nvda.it accessibility score

96

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

nvda.it best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

SEO Factors

nvda.it SEO score

81

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Nvda.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 Nvda.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

nvda.it

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