Access infectiousdiseases.wustl.edu. National Leaders in Infectious Diseases

Report Summary

About Website

Visit infectiousdiseases.wustl.edu now to see the best up-to-date Infectious Diseases Wustl content for United States and also check out these interesting facts you probably never knew about infectiousdiseases.wustl.edu

The Division of Infectious Diseases provides outstanding clinical care, conducts ground-breaking research and trains the next generation of leaders.

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name

value

score

weighting

FCP (First Contentful Paint)

Value13.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value15.8 s

0/100

25%

SI (Speed Index)

Value14.4 s

1/100

10%

TBT (Total Blocking Time)

Value1,810 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value28.7 s

0/100

10%

infectiousdiseases.wustl.edu

184 ms

leaflet.min.css

82 ms

style.min.css

84 ms

style-ppi-single.css

87 ms

mediaelementplayer-legacy.min.css

88 ms

Our browser made a total of 120 requests to load all elements on the main page. We found that 80% of them (96 requests) were addressed to the original Infectiousdiseases.wustl.edu, 10% (12 requests) were made to Fonts.gstatic.com and 5% (6 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (597 ms) belongs to the original domain Infectiousdiseases.wustl.edu.

Content Size

5.2 MB

After Optimization

4.6 MB

In fact, the total size of Infectiousdiseases.wustl.edu main page is 5.2 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. 70% of websites need less resources to load. Images take 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 106.3 kB

Original 135.0 kB
After minification 133.2 kB
After compression 28.6 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 106.3 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 57.8 kB

Original 3.4 MB
After minification 3.3 MB

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. Infectious Diseases Wustl images are well optimized though.

JavaScript Optimization

-25%

Potential reduce by 356.2 kB

Original 1.4 MB
After minification 1.4 MB
After compression 1.1 MB

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 356.2 kB or 25% of the original size.

CSS Optimization

-24%

Potential reduce by 60.4 kB

Original 253.1 kB
After minification 253.1 kB
After compression 192.7 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. Infectiousdiseases.wustl.edu needs all CSS files to be minified and compressed as it can save up to 60.4 kB or 24% of the original size.

Requests Now

106

After Optimization

The browser has sent 106 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Infectious Diseases Wustl. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 63 to 1 for JavaScripts and from 20 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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/).

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 Infectiousdiseases.wustl.edu 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 Infectiousdiseases.wustl.edu 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

infectiousdiseases.wustl.edu

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

Report Summary

Performance

Accessibility

Best Practices

SEO

National Leaders in Infectious Diseases - Division of Infectious Diseases

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)