Tools & Wizards About Us
vipers.inaf.it screenshot

Report Summary

  • 93

    Performance

    Renders faster than
    92% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

vipers.inaf.it

VIPERS Home Page

Page Load Speed

4.7 sec in total

First Response

1.6 sec

Resources Loaded

2.7 sec

Page Rendered

388 ms

vipers.inaf.it screenshot

About Website

Visit vipers.inaf.it now to see the best up-to-date VIPERS Inaf content for Italy and also check out these interesting facts you probably never knew about vipers.inaf.it

Visit vipers.inaf.it

Key Findings

We analyzed Vipers.inaf.it page load time and found that the first response time was 1.6 sec and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

vipers.inaf.it performance score

93

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.9 s

100/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.239

52/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

Network Requests Diagram

vipers.inaf.it

1576 ms

main.css

356 ms

Banner.jpg

1336 ms

Bt_Home.png

378 ms

Bt_Home_Team.png

379 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that all of those requests were addressed to Vipers.inaf.it and no external sources were called. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Vipers.inaf.it.

Page Optimization Overview & Recommendations

Page size can be reduced by 21.7 kB (11%)

Content Size

198.2 kB

After Optimization

176.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vipers.inaf.it main page is 198.2 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 167.6 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 4.4 kB

  • Original 6.8 kB
  • After minification 6.5 kB
  • After compression 2.5 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 4.4 kB or 64% of the original size.

Image Optimization

-2%

Potential reduce by 2.9 kB

  • Original 167.6 kB
  • After minification 164.7 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. VIPERS Inaf images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 13.2 kB

  • Original 22.2 kB
  • After minification 22.2 kB
  • After compression 9.0 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 13.2 kB or 60% of the original size.

CSS Optimization

-77%

Potential reduce by 1.3 kB

  • Original 1.7 kB
  • After minification 1.4 kB
  • After compression 385 B

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. Vipers.inaf.it needs all CSS files to be minified and compressed as it can save up to 1.3 kB or 77% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

13

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VIPERS Inaf. According to our analytics all requests are already optimized.

Network Requests Diagram

vipers.inaf.it

vipers.inaf.it

1576 ms

main.css

main.css

356 ms

Banner.jpg

Banner.jpg

1336 ms

Bt_Home.png

Bt_Home.png

378 ms

Bt_Home_Team.png

Bt_Home_Team.png

379 ms

Bt_Home_Project.png

Bt_Home_Project.png

378 ms

Bt_Home_Gallery.png

Bt_Home_Gallery.png

379 ms

Bt_Home_Papers.png

Bt_Home_Papers.png

543 ms

Bt_Home_Data_Pdr1.png

Bt_Home_Data_Pdr1.png

547 ms

Bt_Home_Internal.png

Bt_Home_Internal.png

548 ms

piwik.js

piwik.js

546 ms

BgLine.jpg

BgLine.jpg

197 ms

ImageBack.jpg

ImageBack.jpg

722 ms

piwik.php

piwik.php

262 ms

Accessibility Review

vipers.inaf.it accessibility score

61

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

vipers.inaf.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

SEO Factors

vipers.inaf.it SEO score

58

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vipers.inaf.it 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 Vipers.inaf.it main page’s claimed encoding is . 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

vipers.inaf.it

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