Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    82% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

medcalc.org

MedCalc statistical software - free trial available

Page Load Speed

1.4 sec in total

First Response

133 ms

Resources Loaded

1.2 sec

Page Rendered

124 ms

medcalc.org screenshot

About Website

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

MedCalc is a comprehensive statistical software package for biomedical research. Free trial available.

Visit medcalc.org

Key Findings

We analyzed Medcalc.org page load time and found that the first response time was 133 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 20% of websites can load faster.

Performance Metrics

medcalc.org performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

95/100

10%

LCP (Largest Contentful Paint)

Value2.3 s

93/100

25%

SI (Speed Index)

Value1.6 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.6 s

100/100

10%

Network Requests Diagram

medcalc.org

133 ms

www.medcalc.org

435 ms

search.png

69 ms

export_word.png

138 ms

_count.js

436 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that 55% of them (6 requests) were addressed to the original Medcalc.org, 27% (3 requests) were made to Scistat.com and 18% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (440 ms) relates to the external source Scistat.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 17.3 kB (35%)

Content Size

49.6 kB

After Optimization

32.2 kB

In fact, the total size of Medcalc.org main page is 49.6 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 24.0 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 16.8 kB

  • Original 24.0 kB
  • After minification 23.9 kB
  • After compression 7.2 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. 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 16.8 kB or 70% of the original size.

Image Optimization

-5%

Potential reduce by 253 B

  • Original 5.1 kB
  • After minification 4.9 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. Med Calc images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 261 B

  • Original 20.4 kB
  • After minification 20.4 kB
  • After compression 20.1 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

We found no issues to fix!

Requests Now

9

After Optimization

9

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Med Calc. According to our analytics all requests are already optimized.

Accessibility Review

medcalc.org accessibility score

100

Accessibility Issues

Best Practices

medcalc.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

SEO Factors

medcalc.org SEO score

100

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

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