Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

surgery.northwestern.edu

Home: Department of Surgery: Feinberg School of Medicine

Page Load Speed

4.9 sec in total

First Response

86 ms

Resources Loaded

4.2 sec

Page Rendered

571 ms

surgery.northwestern.edu screenshot

About Website

Click here to check amazing Surgery Northwestern content for United States. Otherwise, check out these important facts you probably never knew about surgery.northwestern.edu

The Department of Surgery at Northwestern University Feinberg School of Medicine is training the next generation of outstanding surgeons.

Visit surgery.northwestern.edu

Key Findings

We analyzed Surgery.northwestern.edu page load time and found that the first response time was 86 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

surgery.northwestern.edu performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value3,550 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value20.3 s

2/100

10%

Network Requests Diagram

surgery.northwestern.edu

86 ms

surgery.northwestern.edu

108 ms

www.surgery.northwestern.edu

186 ms

bootstrap.min.css

64 ms

all.css

187 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 13% of them (9 requests) were addressed to the original Surgery.northwestern.edu, 16% (11 requests) were made to Platform.twitter.com and 7% (5 requests) were made to Medtargetsystem.com. The less responsive or slowest element that took the longest time to load (3 sec) relates to the external source Medtargetsystem.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 75.9 kB (8%)

Content Size

1.0 MB

After Optimization

932.6 kB

In fact, the total size of Surgery.northwestern.edu main page is 1.0 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. 60% of websites need less resources to load. Images take 787.2 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 31.2 kB

  • Original 40.0 kB
  • After minification 33.0 kB
  • After compression 8.8 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. This page needs HTML code to be minified as it can gain 7.0 kB, which is 18% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 31.2 kB or 78% of the original size.

Image Optimization

-2%

Potential reduce by 13.0 kB

  • Original 787.2 kB
  • After minification 774.2 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. Surgery Northwestern images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.5 kB

  • Original 130.7 kB
  • After minification 130.7 kB
  • After compression 129.1 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.

CSS Optimization

-60%

Potential reduce by 30.2 kB

  • Original 50.6 kB
  • After minification 50.3 kB
  • After compression 20.4 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. Surgery.northwestern.edu needs all CSS files to be minified and compressed as it can save up to 30.2 kB or 60% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (49%)

Requests Now

57

After Optimization

29

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Surgery Northwestern. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

surgery.northwestern.edu accessibility score

94

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

surgery.northwestern.edu best practices score

75

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

surgery.northwestern.edu 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 Surgery.northwestern.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 Surgery.northwestern.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

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