Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

ptca.org

Angioplasty and Stents

Page Load Speed

2.5 sec in total

First Response

279 ms

Resources Loaded

1.5 sec

Page Rendered

734 ms

ptca.org screenshot

About Website

Click here to check amazing Ptca content for United States. Otherwise, check out these important facts you probably never knew about ptca.org

Information on stents, angioplasty and PCI for patients, cardiologists and related healthcare professionals

Visit ptca.org

Key Findings

We analyzed Ptca.org page load time and found that the first response time was 279 ms and then it took 2.2 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

ptca.org performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

92/100

25%

SI (Speed Index)

Value4.2 s

78/100

10%

TBT (Total Blocking Time)

Value720 ms

41/100

30%

CLS (Cumulative Layout Shift)

Value0.331

34/100

15%

TTI (Time to Interactive)

Value7.5 s

48/100

10%

Network Requests Diagram

ptca.org

279 ms

angio_new.css

131 ms

coin-slider-styles.css

132 ms

menu1.css

135 ms

menu2.css

134 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 69% of them (52 requests) were addressed to the original Ptca.org, 11% (8 requests) were made to Pbs.twimg.com and 5% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (746 ms) belongs to the original domain Ptca.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 182.1 kB (26%)

Content Size

709.6 kB

After Optimization

527.4 kB

In fact, the total size of Ptca.org main page is 709.6 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. 45% of websites need less resources to load. Images take 438.8 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 88.5 kB

  • Original 107.4 kB
  • After minification 94.0 kB
  • After compression 18.9 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 13.5 kB, which is 13% 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 88.5 kB or 82% of the original size.

Image Optimization

-2%

Potential reduce by 8.3 kB

  • Original 438.8 kB
  • After minification 430.5 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. Ptca images are well optimized though.

JavaScript Optimization

-50%

Potential reduce by 75.7 kB

  • Original 151.5 kB
  • After minification 146.3 kB
  • After compression 75.7 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 75.7 kB or 50% of the original size.

CSS Optimization

-81%

Potential reduce by 9.7 kB

  • Original 11.9 kB
  • After minification 9.9 kB
  • After compression 2.2 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. Ptca.org needs all CSS files to be minified and compressed as it can save up to 9.7 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (28%)

Requests Now

74

After Optimization

53

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ptca. 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 from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ptca.org accessibility score

65

Accessibility Issues

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.

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

ptca.org best practices score

58

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

High

Browser errors were logged to the console

SEO Factors

ptca.org SEO score

69

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

    N/A

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ptca.org can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Ptca.org main page’s claimed encoding is iso-8859-1. 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

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