Tools & Wizards About Us
pvri.info screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

pvri.info

Page Load Speed

5.6 sec in total

First Response

258 ms

Resources Loaded

5.1 sec

Page Rendered

190 ms

pvri.info screenshot

About Website

Welcome to pvri.info homepage info - get ready to check Pvri best content right away, or after learning these important things about pvri.info

PVRI is devoted to increasing the awareness and knowledge of pulmonary vascular diseases, and to facilitating advances in the treatment of affected people worldwide.

Visit pvri.info

Key Findings

We analyzed Pvri.info page load time and found that the first response time was 258 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

pvri.info performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.2 s

1/100

10%

LCP (Largest Contentful Paint)

Value21.5 s

0/100

25%

SI (Speed Index)

Value18.1 s

0/100

10%

TBT (Total Blocking Time)

Value540 ms

54/100

30%

CLS (Cumulative Layout Shift)

Value0.261

47/100

15%

TTI (Time to Interactive)

Value14.2 s

9/100

10%

Network Requests Diagram

pvri.info

258 ms

2770 ms

base.css

519 ms

cookieconsent.min.js

24 ms

script.js

374 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 50% of them (14 requests) were addressed to the original Pvri.info, 14% (4 requests) were made to F.vimeocdn.com and 7% (2 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Pvri.info.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.7 MB (51%)

Content Size

3.3 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Pvri.info main page is 3.3 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. 35% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 56.9 kB

  • Original 73.0 kB
  • After minification 64.5 kB
  • After compression 16.1 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 8.5 kB, which is 12% 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 56.9 kB or 78% of the original size.

Image Optimization

-36%

Potential reduce by 758.5 kB

  • Original 2.1 MB
  • After minification 1.3 MB

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. Obviously, Pvri needs image optimization as it can save up to 758.5 kB or 36% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 502.9 kB

  • Original 755.2 kB
  • After minification 755.2 kB
  • After compression 252.3 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 502.9 kB or 67% of the original size.

CSS Optimization

-89%

Potential reduce by 375.2 kB

  • Original 420.3 kB
  • After minification 418.6 kB
  • After compression 45.2 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. Pvri.info needs all CSS files to be minified and compressed as it can save up to 375.2 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (36%)

Requests Now

25

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pvri. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

pvri.info

pvri.info

258 ms

2770 ms

base.css

base.css

519 ms

cookieconsent.min.js

cookieconsent.min.js

24 ms

script.js

script.js

374 ms

webfont.js

webfont.js

97 ms

151489870

151489870

118 ms

pvri-logo.png

pvri-logo.png

88 ms

standard-example-image.jpg

standard-example-image.jpg

216 ms

paul-copy.jpg

paul-copy.jpg

274 ms

abstract-background.jpg

abstract-background.jpg

331 ms

stefano.png

stefano.png

1121 ms

profileimagehandler.ashx

profileimagehandler.ashx

328 ms

profileimagehandler.ashx

profileimagehandler.ashx

270 ms

profileimagehandler.ashx

profileimagehandler.ashx

330 ms

profileimagehandler.ashx

profileimagehandler.ashx

332 ms

maxresdefault.jpg

maxresdefault.jpg

362 ms

analytics.js

analytics.js

76 ms

css

css

121 ms

collect

collect

23 ms

player.js

player.js

160 ms

player.css

player.css

147 ms

ga.js

ga.js

24 ms

vuid.min.js

vuid.min.js

123 ms

collect

collect

112 ms

__utm.gif

__utm.gif

53 ms

proxy.html

proxy.html

33 ms

dark-top.css

dark-top.css

194 ms

Accessibility Review

pvri.info accessibility score

66

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

pvri.info best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

pvri.info SEO score

85

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pvri.info 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 Pvri.info 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

pvri.info

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