Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

pathology.wustl.edu

Pathology & Immunology | Washington University in St. Louis

Page Load Speed

1 sec in total

First Response

172 ms

Resources Loaded

758 ms

Page Rendered

116 ms

pathology.wustl.edu screenshot

About Website

Visit pathology.wustl.edu now to see the best up-to-date Pathology Wu St L content for United States and also check out these interesting facts you probably never knew about pathology.wustl.edu

Department of Pathology & Immunology at Washington University School of Medicine - St. Louis, MO. Promoting a tradition of combined excellence in research and clinical service and creating a vital bri...

Visit pathology.wustl.edu

Key Findings

We analyzed Pathology.wustl.edu page load time and found that the first response time was 172 ms and then it took 874 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

pathology.wustl.edu performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value10.3 s

0/100

25%

SI (Speed Index)

Value9.3 s

12/100

10%

TBT (Total Blocking Time)

Value840 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0.036

100/100

15%

TTI (Time to Interactive)

Value23.3 s

1/100

10%

Network Requests Diagram

pathology.wustl.edu

172 ms

style.css

100 ms

analytics.js

23 ms

header.jpg

99 ms

schoolofmed.jpg

68 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 93% of them (27 requests) were addressed to the original Pathology.wustl.edu, 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (496 ms) belongs to the original domain Pathology.wustl.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 103.6 kB (37%)

Content Size

276.6 kB

After Optimization

173.0 kB

In fact, the total size of Pathology.wustl.edu main page is 276.6 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. Only 10% of websites need less resources to load. Images take 206.0 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 8.6 kB

  • Original 11.9 kB
  • After minification 11.9 kB
  • After compression 3.3 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 8.6 kB or 72% of the original size.

Image Optimization

-28%

Potential reduce by 57.8 kB

  • Original 206.0 kB
  • After minification 148.3 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. Obviously, Pathology Wu St L needs image optimization as it can save up to 57.8 kB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-60%

Potential reduce by 32.0 kB

  • Original 52.9 kB
  • After minification 52.9 kB
  • After compression 20.9 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 32.0 kB or 60% of the original size.

CSS Optimization

-91%

Potential reduce by 5.2 kB

  • Original 5.7 kB
  • After minification 4.9 kB
  • After compression 489 B

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. Pathology.wustl.edu needs all CSS files to be minified and compressed as it can save up to 5.2 kB or 91% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

28

After Optimization

28

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pathology Wu St L. According to our analytics all requests are already optimized.

Accessibility Review

pathology.wustl.edu accessibility score

92

Accessibility Issues

ARIA

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.

Impact

Issue

High

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

pathology.wustl.edu best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

pathology.wustl.edu SEO score

86

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pathology.wustl.edu can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Pathology.wustl.edu main page’s claimed encoding is . 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 Pathology Wu St L. 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: