Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

neurosurgery.wustl.edu

Neurosurgery - Neurosurgery

Page Load Speed

1.5 sec in total

First Response

200 ms

Resources Loaded

1.3 sec

Page Rendered

0 ms

About Website

Click here to check amazing Neurosurgery Wustl content for United States. Otherwise, check out these important facts you probably never knew about neurosurgery.wustl.edu

WashU neurosurgeons are leaders in their field, offering the most advanced care for adult and pediatric neurosurgical conditions.

Visit neurosurgery.wustl.edu

Key Findings

We analyzed Neurosurgery.wustl.edu page load time and found that the first response time was 200 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 25% of websites can load faster.

Performance Metrics

neurosurgery.wustl.edu performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value13.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value15.9 s

0/100

25%

SI (Speed Index)

Value13.4 s

2/100

10%

TBT (Total Blocking Time)

Value410 ms

67/100

30%

CLS (Cumulative Layout Shift)

Value0.16

73/100

15%

TTI (Time to Interactive)

Value16.9 s

5/100

10%

Network Requests Diagram

neurosurgery.wustl.edu

200 ms

leaflet.min.css

89 ms

style.min.css

134 ms

style-ppi-single.css

92 ms

mediaelementplayer-legacy.min.css

95 ms

Our browser made a total of 115 requests to load all elements on the main page. We found that 90% of them (103 requests) were addressed to the original Neurosurgery.wustl.edu, 9% (10 requests) were made to Fonts.gstatic.com and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (495 ms) belongs to the original domain Neurosurgery.wustl.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 642.7 kB (24%)

Content Size

2.7 MB

After Optimization

2.0 MB

In fact, the total size of Neurosurgery.wustl.edu main page is 2.7 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. Javascripts take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 145.0 kB

  • Original 177.4 kB
  • After minification 175.9 kB
  • After compression 32.5 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 145.0 kB or 82% of the original size.

Image Optimization

-8%

Potential reduce by 86.7 kB

  • Original 1.1 MB
  • After minification 973.0 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. Neurosurgery Wustl images are well optimized though.

JavaScript Optimization

-28%

Potential reduce by 354.4 kB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 917.5 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 354.4 kB or 28% of the original size.

CSS Optimization

-31%

Potential reduce by 56.6 kB

  • Original 183.0 kB
  • After minification 183.0 kB
  • After compression 126.3 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. Neurosurgery.wustl.edu needs all CSS files to be minified and compressed as it can save up to 56.6 kB or 31% of the original size.

Requests Breakdown

Number of requests can be reduced by 73 (71%)

Requests Now

103

After Optimization

30

The browser has sent 103 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Neurosurgery 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 58 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

neurosurgery.wustl.edu accessibility score

87

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.

High

[role]s are not contained by their required parent element

Best Practices

neurosurgery.wustl.edu best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

neurosurgery.wustl.edu SEO score

86

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

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Neurosurgery.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 Neurosurgery.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

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