2.2 sec in total
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1.6 sec
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Welcome to columbiaheartvalve.org homepage info - get ready to check Columbia Heart Valve best content right away, or after learning these important things about columbiaheartvalve.org
The Columbia Structural Heart & Valve Center is a collaborative effort between the Center for Interventional Vascular Therapy (CIVT), and the Department of Cardiothoracic Surgery.
Visit columbiaheartvalve.orgWe analyzed Columbiaheartvalve.org page load time and found that the first response time was 30 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.
columbiaheartvalve.org performance score
name
value
score
weighting
Value5.0 s
10/100
10%
Value7.9 s
3/100
25%
Value5.8 s
49/100
10%
Value410 ms
67/100
30%
Value0.255
48/100
15%
Value9.9 s
27/100
10%
30 ms
231 ms
13 ms
19 ms
114 ms
Our browser made a total of 39 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Columbiaheartvalve.org, 13% (5 requests) were made to Use.typekit.net and 3% (1 request) were made to P.typekit.net. The less responsive or slowest element that took the longest time to load (656 ms) relates to the external source Use.typekit.net.
Page size can be reduced by 1.0 MB (65%)
1.6 MB
547.3 kB
In fact, the total size of Columbiaheartvalve.org main page is 1.6 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. CSS take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 194.7 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 194.7 kB or 83% of the original size.
Potential reduce by 3.2 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. Columbia Heart Valve images are well optimized though.
Potential reduce by 16.2 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 16.2 kB or 15% of the original size.
Potential reduce by 808.5 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. Columbiaheartvalve.org needs all CSS files to be minified and compressed as it can save up to 808.5 kB or 76% of the original size.
Number of requests can be reduced by 19 (59%)
32
13
The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Columbia Heart Valve. 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 14 to 1 for CSS and as a result speed up the page load time.
columbia-structural-heart-and-valve-center
30 ms
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columbiaheartvalve.org accessibility score
columbiaheartvalve.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
columbiaheartvalve.org SEO score
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
Document uses legible font sizes
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Columbiaheartvalve.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 Columbiaheartvalve.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.
columbiaheartvalve.org
Open Graph data is detected on the main page of Columbia Heart Valve. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: