Tools & Wizards About Us

Report Summary

  • 67

    Performance

    Renders faster than
    79% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

crlt.indiana.edu

Center for Research on Learning and Technology: Indiana University Bloomington

Page Load Speed

1.2 sec in total

First Response

249 ms

Resources Loaded

815 ms

Page Rendered

124 ms

About Website

Welcome to crlt.indiana.edu homepage info - get ready to check Crlt Indiana best content for United States right away, or after learning these important things about crlt.indiana.edu

The mission of the Center for Research on Learning and Technology is to study and develop pioneering learning environments that foster ambitious learning practices.

Visit crlt.indiana.edu

Key Findings

We analyzed Crlt.indiana.edu page load time and found that the first response time was 249 ms and then it took 939 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

crlt.indiana.edu performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

10/100

25%

SI (Speed Index)

Value4.4 s

75/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value6.4 s

59/100

10%

Network Requests Diagram

crlt.indiana.edu

249 ms

style.css

105 ms

icon-font.css

121 ms

iu-framework.min.css

177 ms

brand.min.css

205 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 14% of them (4 requests) were addressed to the original Crlt.indiana.edu, 41% (12 requests) were made to Assets.iu.edu and 14% (4 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (249 ms) belongs to the original domain Crlt.indiana.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 88.1 kB (16%)

Content Size

534.6 kB

After Optimization

446.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Crlt.indiana.edu main page is 534.6 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. 25% of websites need less resources to load. Images take 246.6 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 22.5 kB

  • Original 29.1 kB
  • After minification 24.6 kB
  • After compression 6.6 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. This page needs HTML code to be minified as it can gain 4.5 kB, which is 15% 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 22.5 kB or 77% of the original size.

Image Optimization

-9%

Potential reduce by 21.2 kB

  • Original 246.6 kB
  • After minification 225.4 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. Crlt Indiana images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 8.1 kB

  • Original 171.1 kB
  • After minification 170.7 kB
  • After compression 163.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-41%

Potential reduce by 36.3 kB

  • Original 87.9 kB
  • After minification 75.4 kB
  • After compression 51.6 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. Crlt.indiana.edu needs all CSS files to be minified and compressed as it can save up to 36.3 kB or 41% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (58%)

Requests Now

24

After Optimization

10

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Crlt 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 8 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

crlt.indiana.edu accessibility score

98

Accessibility Issues

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

crlt.indiana.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

crlt.indiana.edu SEO score

93

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

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 Crlt.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 Crlt.indiana.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 Crlt Indiana. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: