Tools & Wizards About Us
math.indiana.edu screenshot

Report Summary

  • 59

    Performance

    Renders faster than
    75% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

math.indiana.edu

Department of Mathematics: Indiana University Bloomington

Page Load Speed

1.7 sec in total

First Response

340 ms

Resources Loaded

1.1 sec

Page Rendered

213 ms

math.indiana.edu screenshot

About Website

Visit math.indiana.edu now to see the best up-to-date Math Indiana content for United States and also check out these interesting facts you probably never knew about math.indiana.edu

Our department has been expanding the frontiers of mathematical understanding on a wide range of topics for over 100 years. We are a vibrant center for high-quality research and training at both the g...

Visit math.indiana.edu

Key Findings

We analyzed Math.indiana.edu page load time and found that the first response time was 340 ms and then it took 1.4 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

math.indiana.edu performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.035

100/100

15%

TTI (Time to Interactive)

Value8.8 s

36/100

10%

Network Requests Diagram

math.indiana.edu

340 ms

math.css

53 ms

styles.css

54 ms

jquery-1.4.2.min.js

163 ms

leftnav.js

80 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 80% of them (16 requests) were addressed to the original Math.indiana.edu, 15% (3 requests) were made to Assets.iu.edu and 5% (1 request) were made to Myiu.org. The less responsive or slowest element that took the longest time to load (516 ms) relates to the external source Assets.iu.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 89.5 kB (54%)

Content Size

165.3 kB

After Optimization

75.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Math.indiana.edu main page is 165.3 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. Javascripts take 78.5 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 16.8 kB

  • Original 21.0 kB
  • After minification 18.4 kB
  • After compression 4.2 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 2.6 kB, which is 12% 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 16.8 kB or 80% of the original size.

Image Optimization

-2%

Potential reduce by 822 B

  • Original 40.1 kB
  • After minification 39.3 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. Math Indiana images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 51.6 kB

  • Original 78.5 kB
  • After minification 78.4 kB
  • After compression 26.9 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 51.6 kB or 66% of the original size.

CSS Optimization

-79%

Potential reduce by 20.3 kB

  • Original 25.7 kB
  • After minification 20.0 kB
  • After compression 5.3 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. Math.indiana.edu needs all CSS files to be minified and compressed as it can save up to 20.3 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (28%)

Requests Now

18

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Math Indiana. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

math.indiana.edu

math.indiana.edu

340 ms

math.css

math.css

53 ms

styles.css

styles.css

54 ms

jquery-1.4.2.min.js

jquery-1.4.2.min.js

163 ms

leftnav.js

leftnav.js

80 ms

brand.css

brand.css

428 ms

search.css

search.css

432 ms

search.js

search.js

516 ms

screen.css

screen.css

52 ms

print.css

print.css

90 ms

iub_crimson.gif

iub_crimson.gif

97 ms

iub_white.gif

iub_white.gif

230 ms

NewGiveNowbutton.gif

NewGiveNowbutton.gif

231 ms

bg.gif

bg.gif

89 ms

go_red.gif

go_red.gif

215 ms

title.jpg

title.jpg

303 ms

blockiu_white.gif

blockiu_white.gif

343 ms

seminar.phtml

seminar.phtml

97 ms

newsevents.phtml

newsevents.phtml

85 ms

EBedford13f.jpg

EBedford13f.jpg

177 ms

Accessibility Review

math.indiana.edu accessibility score

82

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

[aria-hidden="true"] elements contain focusable descendents

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes are not valid or misspelled

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

Best Practices

math.indiana.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

SEO Factors

math.indiana.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

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Math.indiana.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 Math.indiana.edu main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

math.indiana.edu

Open Graph description is not detected on the main page of Math Indiana. 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: