Tools & Wizards About Us

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

pvrinstitute.org

We are a global family | The Pulmonary Vascular Research Institute (PVRI)

Page Load Speed

1.5 sec in total

First Response

242 ms

Resources Loaded

832 ms

Page Rendered

431 ms

About Website

Visit pvrinstitute.org now to see the best up-to-date Pvr Institute content and also check out these interesting facts you probably never knew about pvrinstitute.org

We are pulmonary hypertension professionals united in our vision for a world without pulmonary vascular disease. We believe we can achieve this together, and we won’t stop until we do.

Visit pvrinstitute.org

Key Findings

We analyzed Pvrinstitute.org page load time and found that the first response time was 242 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

pvrinstitute.org performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

6/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value1,140 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0.271

45/100

15%

TTI (Time to Interactive)

Value12.1 s

16/100

10%

Network Requests Diagram

pvrinstitute.org

242 ms

pvrinstitute.org

116 ms

gtm.js

60 ms

css_HO_Eep_u19DZr0xnesgikc6YOjypZ66o7SJuWccYvW0.css

7 ms

css_pygZDiJ6XgFI_wF6XGu9U8pYRObVz0gAeuOEFp3REeM.css

31 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 55% of them (16 requests) were addressed to the original Pvrinstitute.org, 21% (6 requests) were made to Use.typekit.net and 10% (3 requests) were made to Static.addtoany.com. The less responsive or slowest element that took the longest time to load (265 ms) belongs to the original domain Pvrinstitute.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 155.3 kB (13%)

Content Size

1.2 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Pvrinstitute.org 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. 70% of websites need less resources to load. Images take 474.7 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 76.2 kB

  • Original 90.4 kB
  • After minification 74.7 kB
  • After compression 14.2 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 15.7 kB, which is 17% 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 76.2 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 6.5 kB

  • Original 474.7 kB
  • After minification 468.2 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. Pvr Institute images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 34.3 kB

  • Original 228.2 kB
  • After minification 228.1 kB
  • After compression 193.9 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 15% of the original size.

CSS Optimization

-10%

Potential reduce by 38.3 kB

  • Original 370.5 kB
  • After minification 370.5 kB
  • After compression 332.3 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. Pvrinstitute.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 12 (57%)

Requests Now

21

After Optimization

9

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pvr Institute. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

pvrinstitute.org accessibility score

91

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

ARIA IDs are not unique

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

pvrinstitute.org best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

pvrinstitute.org SEO score

84

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

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pvrinstitute.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Pvrinstitute.org 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 description is not detected on the main page of Pvr Institute. 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: