Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

dasisim.com

AI-Based Pre-Procedural Planning for Structural Heart Surgery

Page Load Speed

2.9 sec in total

First Response

201 ms

Resources Loaded

1.5 sec

Page Rendered

1.3 sec

About Website

Click here to check amazing Dasisim content. Otherwise, check out these important facts you probably never knew about dasisim.com

https://dasisim.ai/wp-content/uploads/2024/02/dasi-process_02012024-1.mp4 What we do Pioneering the future of cardiac care.​ We develop cutting-edge AI-driven simulations that provide interventional c...

Visit dasisim.com

Key Findings

We analyzed Dasisim.com page load time and found that the first response time was 201 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

dasisim.com performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value10.9 s

0/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value1,350 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.043

99/100

15%

TTI (Time to Interactive)

Value11.9 s

17/100

10%

Network Requests Diagram

dasisim.ai

201 ms

style.min.css

29 ms

style.css

45 ms

all.min.css

45 ms

simple-line-icons.min.css

43 ms

Our browser made a total of 131 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Dasisim.com, 34% (45 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (479 ms) relates to the external source Fonts.gstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 172.0 kB (35%)

Content Size

484.9 kB

After Optimization

312.8 kB

In fact, the total size of Dasisim.com main page is 484.9 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. 80% 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. Images take 296.4 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 144.4 kB

  • Original 180.1 kB
  • After minification 174.8 kB
  • After compression 35.7 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 144.4 kB or 80% of the original size.

Image Optimization

-9%

Potential reduce by 26.4 kB

  • Original 296.4 kB
  • After minification 270.0 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. Dasisim images are well optimized though.

CSS Optimization

-15%

Potential reduce by 1.2 kB

  • Original 8.4 kB
  • After minification 8.4 kB
  • After compression 7.2 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. Dasisim.com needs all CSS files to be minified and compressed as it can save up to 1.2 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 67 (84%)

Requests Now

80

After Optimization

13

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dasisim. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 44 to 1 for JavaScripts and from 25 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

dasisim.com accessibility score

95

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.

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

dasisim.com 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

High

Page has valid source maps

SEO Factors

dasisim.com SEO score

77

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

robots.txt is not valid

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