Tools & Wizards About Us
niacal.northwestern.edu screenshot

Report Summary

  • 96

    Performance

    Renders faster than
    94% of other websites

  • 56

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

niacal.northwestern.edu

NIACAL: Neuroimaging and Applied Computational Anatomy Lab

Page Load Speed

989 ms in total

First Response

150 ms

Resources Loaded

749 ms

Page Rendered

90 ms

niacal.northwestern.edu screenshot

About Website

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

The Neuroimaging and Applied Computational Anatomy Lab focuses on developing complex biomarkers for neuropsychiatric disorders using the tools of computational anatomy.

Visit niacal.northwestern.edu

Key Findings

We analyzed Niacal.northwestern.edu page load time and found that the first response time was 150 ms and then it took 839 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

niacal.northwestern.edu performance score

96

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

91/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.6 s

98/100

10%

Network Requests Diagram

niacal.northwestern.edu

150 ms

application-83c57dc9c0a520eccea86d1658e1177a.css

78 ms

application-ab1bd11bc03b2ca77a2820a72e91dd9d.js

328 ms

tinymce.min.js

18 ms

purple_gradient.jpg

53 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that 92% of them (12 requests) were addressed to the original Niacal.northwestern.edu, 8% (1 request) were made to Tinymce.cachefly.net. The less responsive or slowest element that took the longest time to load (328 ms) belongs to the original domain Niacal.northwestern.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 24.0 kB (8%)

Content Size

289.0 kB

After Optimization

265.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Niacal.northwestern.edu main page is 289.0 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 138.7 kB which makes up the majority of the site volume.

HTML Optimization

-65%

Potential reduce by 5.5 kB

  • Original 8.6 kB
  • After minification 8.2 kB
  • After compression 3.0 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 5.5 kB or 65% of the original size.

Image Optimization

-13%

Potential reduce by 18.3 kB

  • Original 138.7 kB
  • After minification 120.4 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, NIACAL Northwestern needs image optimization as it can save up to 18.3 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 150 B

  • Original 130.3 kB
  • After minification 130.3 kB
  • After compression 130.2 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

-0%

Potential reduce by 20 B

  • Original 11.5 kB
  • After minification 11.5 kB
  • After compression 11.5 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. Niacal.northwestern.edu has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NIACAL Northwestern. According to our analytics all requests are already optimized.

Network Requests Diagram

niacal.northwestern.edu

niacal.northwestern.edu

150 ms

application-83c57dc9c0a520eccea86d1658e1177a.css

application-83c57dc9c0a520eccea86d1658e1177a.css

78 ms

application-ab1bd11bc03b2ca77a2820a72e91dd9d.js

application-ab1bd11bc03b2ca77a2820a72e91dd9d.js

328 ms

tinymce.min.js

tinymce.min.js

18 ms

purple_gradient.jpg

purple_gradient.jpg

53 ms

banner.png

banner.png

148 ms

nav_banner.png

nav_banner.png

29 ms

loading.gif

loading.gif

52 ms

brainimg-eaedaea256b5272a05b440e4fc4d09bb.jpg

brainimg-eaedaea256b5272a05b440e4fc4d09bb.jpg

104 ms

hippo-e59b433a8193baf94a19b3a596d0abc0.jpg

hippo-e59b433a8193baf94a19b3a596d0abc0.jpg

205 ms

neocortex-016450c5225d1c323bea39f7e2847332.jpg

neocortex-016450c5225d1c323bea39f7e2847332.jpg

82 ms

gray_gradient.jpg

gray_gradient.jpg

78 ms

arrows.png

arrows.png

27 ms

Accessibility Review

niacal.northwestern.edu accessibility score

56

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

niacal.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

niacal.northwestern.edu SEO score

62

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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

niacal.northwestern.edu

Open Graph description is not detected on the main page of NIACAL Northwestern. 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: