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progresscto.org screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

progresscto.org

PROGRESS-CTO - home

Page Load Speed

2 sec in total

First Response

125 ms

Resources Loaded

1.8 sec

Page Rendered

59 ms

progresscto.org screenshot

About Website

Welcome to progresscto.org homepage info - get ready to check PROGRESS CTO best content right away, or after learning these important things about progresscto.org

Prospective Global Registry for the Study of Chronic Total Occlusion Intervention

Visit progresscto.org

Key Findings

We analyzed Progresscto.org page load time and found that the first response time was 125 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

progresscto.org performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

35/100

25%

SI (Speed Index)

Value5.5 s

55/100

10%

TBT (Total Blocking Time)

Value1,150 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.2 s

7/100

10%

Network Requests Diagram

www.progresscto.org

125 ms

minified.js

44 ms

focus-within-polyfill.js

86 ms

polyfill.min.js

1046 ms

thunderbolt-commons.e7839053.bundle.min.js

87 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Progresscto.org, 38% (12 requests) were made to Static.parastorage.com and 38% (12 requests) were made to Sentry-next.wixpress.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Polyfill-fastly.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 354.1 kB (36%)

Content Size

989.0 kB

After Optimization

634.9 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Progresscto.org main page is 989.0 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. 20% of websites need less resources to load. Images take 387.6 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 260.0 kB

  • Original 341.1 kB
  • After minification 339.5 kB
  • After compression 81.0 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 260.0 kB or 76% of the original size.

Image Optimization

-23%

Potential reduce by 89.8 kB

  • Original 387.6 kB
  • After minification 297.7 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. Obviously, PROGRESS CTO needs image optimization as it can save up to 89.8 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 4.2 kB

  • Original 260.4 kB
  • After minification 260.3 kB
  • After compression 256.1 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 10 (56%)

Requests Now

18

After Optimization

8

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PROGRESS CTO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.progresscto.org

www.progresscto.org

125 ms

minified.js

minified.js

44 ms

focus-within-polyfill.js

focus-within-polyfill.js

86 ms

polyfill.min.js

polyfill.min.js

1046 ms

thunderbolt-commons.e7839053.bundle.min.js

thunderbolt-commons.e7839053.bundle.min.js

87 ms

main.760485a2.bundle.min.js

main.760485a2.bundle.min.js

88 ms

main.renderer.1d21f023.bundle.min.js

main.renderer.1d21f023.bundle.min.js

83 ms

lodash.min.js

lodash.min.js

88 ms

react.production.min.js

react.production.min.js

85 ms

react-dom.production.min.js

react-dom.production.min.js

86 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

87 ms

Progress-logo_edited.jpg

Progress-logo_edited.jpg

231 ms

bcf710_07f393f03ad34eacb405b7aed57db460.png

bcf710_07f393f03ad34eacb405b7aed57db460.png

240 ms

bcf710_c54b85c0c8694ec89b557394f5ebbf63.png

bcf710_c54b85c0c8694ec89b557394f5ebbf63.png

507 ms

49c1daaca6ff444aa34f5ecc66d8ae1f.jpg

49c1daaca6ff444aa34f5ecc66d8ae1f.jpg

308 ms

bundle.min.js

bundle.min.js

44 ms

101 ms

100 ms

101 ms

97 ms

96 ms

94 ms

135 ms

133 ms

127 ms

132 ms

131 ms

131 ms

deprecation-en.v5.html

deprecation-en.v5.html

9 ms

bolt-performance

bolt-performance

11 ms

deprecation-style.v5.css

deprecation-style.v5.css

6 ms

right-arrow.svg

right-arrow.svg

6 ms

Accessibility Review

progresscto.org accessibility score

83

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

Buttons do not have an accessible name

High

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

High

Links do not have a discernible name

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

Best Practices

progresscto.org best practices score

75

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

progresscto.org SEO score

98

Search Engine Optimization Advices

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 Progresscto.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 Progresscto.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

progresscto.org

Open Graph data is detected on the main page of PROGRESS CTO. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: