Tools & Wizards About Us
neurosci.wustl.edu screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

neurosci.wustl.edu

Department of Neuroscience - Washington University School of Medicine

Page Load Speed

2.4 sec in total

First Response

144 ms

Resources Loaded

1.7 sec

Page Rendered

596 ms

neurosci.wustl.edu screenshot

About Website

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

The Department of Neuroscience at Washington University School of Medicine in St. Louis is leading fundamental research on the brain.

Visit neurosci.wustl.edu

Key Findings

We analyzed Neurosci.wustl.edu page load time and found that the first response time was 144 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

neurosci.wustl.edu performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value14.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value18.8 s

0/100

25%

SI (Speed Index)

Value14.0 s

1/100

10%

TBT (Total Blocking Time)

Value1,410 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.134

80/100

15%

TTI (Time to Interactive)

Value26.2 s

0/100

10%

Network Requests Diagram

neurosci.wustl.edu

144 ms

neuroscience.wustl.edu

227 ms

style.min.css

61 ms

style-ppi-single.css

92 ms

style.min.css

131 ms

Our browser made a total of 108 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Neurosci.wustl.edu, 79% (85 requests) were made to Neuroscience.wustl.edu and 11% (12 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (476 ms) relates to the external source Neuroscience.wustl.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 721.0 kB (24%)

Content Size

3.0 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Neurosci.wustl.edu main page is 3.0 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 83.3 kB

  • Original 107.3 kB
  • After minification 106.3 kB
  • After compression 24.1 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 83.3 kB or 78% of the original size.

Image Optimization

-1%

Potential reduce by 9.7 kB

  • Original 1.0 MB
  • After minification 1.0 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. Neurosci Wustl images are well optimized though.

JavaScript Optimization

-35%

Potential reduce by 573.3 kB

  • Original 1.6 MB
  • After minification 1.6 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 573.3 kB or 35% of the original size.

CSS Optimization

-23%

Potential reduce by 54.8 kB

  • Original 234.4 kB
  • After minification 234.4 kB
  • After compression 179.7 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. Neurosci.wustl.edu needs all CSS files to be minified and compressed as it can save up to 54.8 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 75 (81%)

Requests Now

93

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 93 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Neurosci 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 62 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

neurosci.wustl.edu

neurosci.wustl.edu

144 ms

neuroscience.wustl.edu

neuroscience.wustl.edu

227 ms

style.min.css

style.min.css

61 ms

style-ppi-single.css

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92 ms

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131 ms

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134 ms

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99 ms

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100 ms

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104 ms

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124 ms

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193 ms

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135 ms

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139 ms

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156 ms

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161 ms

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30 ms

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190 ms

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166 ms

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218 ms

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263 ms

dom-ready.min.js

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209 ms

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231 ms

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232 ms

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249 ms

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251 ms

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253 ms

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254 ms

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278 ms

dom.min.js

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282 ms

escape-html.min.js

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283 ms

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284 ms

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285 ms

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294 ms

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312 ms

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297 ms

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258 ms

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232 ms

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226 ms

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237 ms

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214 ms

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228 ms

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213 ms

wordcount.min.js

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213 ms

block-editor.min.js

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336 ms

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220 ms

ppi-list.js

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228 ms

server-side-render.min.js

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224 ms

ppi-single.js

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223 ms

jquery.min.js

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232 ms

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250 ms

functions.js

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236 ms

underscore.min.js

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227 ms

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235 ms

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254 ms

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252 ms

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251 ms

scripts.js

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255 ms

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189 ms

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115 ms

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114 ms

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136 ms

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133 ms

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476 ms

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476 ms

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178 ms

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41 ms

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41 ms

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41 ms

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130 ms

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39 ms

Accessibility Review

neurosci.wustl.edu accessibility score

88

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.

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

neurosci.wustl.edu best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

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

neurosci.wustl.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 Neurosci.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 Neurosci.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

neurosci.wustl.edu

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