Report Summary

  • 52

    Performance

    Renders faster than
    70% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

informationsecurity.wustl.edu

Home | Office of Information Security | Washington University in St. Louis

Page Load Speed

2.4 sec in total

First Response

797 ms

Resources Loaded

1.3 sec

Page Rendered

282 ms

informationsecurity.wustl.edu screenshot

About Website

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

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Key Findings

We analyzed Informationsecurity.wustl.edu page load time and found that the first response time was 797 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

informationsecurity.wustl.edu performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

36/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

65/100

25%

SI (Speed Index)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value750 ms

39/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

Network Requests Diagram

informationsecurity.wustl.edu

797 ms

wp-emoji-release.min.js

89 ms

styles.css

67 ms

wusm-accordion.css

67 ms

user.css

68 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 72% of them (28 requests) were addressed to the original Informationsecurity.wustl.edu, 21% (8 requests) were made to Fonts.gstatic.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (797 ms) belongs to the original domain Informationsecurity.wustl.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 224.8 kB (46%)

Content Size

488.7 kB

After Optimization

263.8 kB

In fact, the total size of Informationsecurity.wustl.edu main page is 488.7 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. 45% of websites need less resources to load. Javascripts take 231.8 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 23.8 kB

  • Original 29.4 kB
  • After minification 27.1 kB
  • After compression 5.6 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 23.8 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 142 B

  • Original 143.1 kB
  • After minification 143.0 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. Information Security Wu St L images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 151.8 kB

  • Original 231.8 kB
  • After minification 229.1 kB
  • After compression 80.0 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 151.8 kB or 66% of the original size.

CSS Optimization

-58%

Potential reduce by 49.1 kB

  • Original 84.4 kB
  • After minification 70.9 kB
  • After compression 35.3 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. Informationsecurity.wustl.edu needs all CSS files to be minified and compressed as it can save up to 49.1 kB or 58% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (53%)

Requests Now

30

After Optimization

14

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Information Security Wu St L. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

informationsecurity.wustl.edu accessibility score

91

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

informationsecurity.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

informationsecurity.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 Informationsecurity.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 Informationsecurity.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 description is not detected on the main page of Information Security 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: