Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

ini.cmu.edu

Information Networking Institute - Information Networking Institute - College of Engineering - Carnegie Mellon University

Page Load Speed

1.4 sec in total

First Response

125 ms

Resources Loaded

897 ms

Page Rendered

337 ms

ini.cmu.edu screenshot

About Website

Welcome to ini.cmu.edu homepage info - get ready to check Ini Cmu best content for United States right away, or after learning these important things about ini.cmu.edu

The Information Networking Institute (INI) at Carnegie Mellon University (CMU) educates and develops engineers through technical, interdisciplinary master’s degree programs in information networking, ...

Visit ini.cmu.edu

Key Findings

We analyzed Ini.cmu.edu page load time and found that the first response time was 125 ms and then it took 1.2 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

ini.cmu.edu performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

62/100

10%

LCP (Largest Contentful Paint)

Value14.6 s

0/100

25%

SI (Speed Index)

Value13.6 s

2/100

10%

TBT (Total Blocking Time)

Value2,600 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.096

91/100

15%

TTI (Time to Interactive)

Value26.3 s

0/100

10%

Network Requests Diagram

www.ini.cmu.edu

125 ms

appStyles.css

31 ms

screen.css

43 ms

deco.css

73 ms

navigation.css

71 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 60% of them (34 requests) were addressed to the original Ini.cmu.edu, 5% (3 requests) were made to Google.com and 5% (3 requests) were made to Farm2.staticflickr.com. The less responsive or slowest element that took the longest time to load (243 ms) relates to the external source Cdn.syndication.twimg.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 437.4 kB (31%)

Content Size

1.4 MB

After Optimization

967.8 kB

In fact, the total size of Ini.cmu.edu main page is 1.4 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. 60% of websites need less resources to load. Images take 862.8 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 36.8 kB

  • Original 43.7 kB
  • After minification 43.3 kB
  • After compression 7.0 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 36.8 kB or 84% of the original size.

Image Optimization

-4%

Potential reduce by 36.8 kB

  • Original 862.8 kB
  • After minification 826.1 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. Ini Cmu images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 133.5 kB

  • Original 220.8 kB
  • After minification 220.6 kB
  • After compression 87.3 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 133.5 kB or 60% of the original size.

CSS Optimization

-83%

Potential reduce by 230.4 kB

  • Original 277.9 kB
  • After minification 262.5 kB
  • After compression 47.5 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. Ini.cmu.edu needs all CSS files to be minified and compressed as it can save up to 230.4 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (38%)

Requests Now

48

After Optimization

30

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ini Cmu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ini.cmu.edu accessibility score

96

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

Best Practices

ini.cmu.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

ini.cmu.edu SEO score

91

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

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ini.cmu.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 Ini.cmu.edu main page’s claimed encoding is . 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

Open Graph description is not detected on the main page of Ini Cmu. 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: