Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

library.nd.edu

Hesburgh Library

Page Load Speed

1.4 sec in total

First Response

139 ms

Resources Loaded

1.1 sec

Page Rendered

182 ms

library.nd.edu screenshot

About Website

Click here to check amazing Library Nd content for United States. Otherwise, check out these important facts you probably never knew about library.nd.edu

Information resources and collections of the Hesburgh Libraries, University of Notre Dame.

Visit library.nd.edu

Key Findings

We analyzed Library.nd.edu page load time and found that the first response time was 139 ms and then it took 1.3 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

library.nd.edu performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

74/100

10%

LCP (Largest Contentful Paint)

Value23.7 s

0/100

25%

SI (Speed Index)

Value7.7 s

25/100

10%

TBT (Total Blocking Time)

Value2,110 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.77

5/100

15%

TTI (Time to Interactive)

Value19.7 s

2/100

10%

Network Requests Diagram

library.nd.edu

139 ms

index.css

213 ms

local.new.css

71 ms

home.css

69 ms

quickfix.css

72 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 54% of them (31 requests) were addressed to the original Library.nd.edu, 25% (14 requests) were made to Asset.library.nd.edu and 7% (4 requests) were made to Libraryh3lp.com. The less responsive or slowest element that took the longest time to load (410 ms) relates to the external source Libraryh3lp.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 636.6 kB (52%)

Content Size

1.2 MB

After Optimization

596.0 kB

In fact, the total size of Library.nd.edu main page is 1.2 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. 35% of websites need less resources to load. Javascripts take 536.7 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 50.4 kB

  • Original 63.0 kB
  • After minification 47.7 kB
  • After compression 12.6 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 15.3 kB, which is 24% 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 50.4 kB or 80% of the original size.

Image Optimization

-12%

Potential reduce by 55.4 kB

  • Original 447.4 kB
  • After minification 392.0 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. Obviously, Library Nd needs image optimization as it can save up to 55.4 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 371.2 kB

  • Original 536.7 kB
  • After minification 526.1 kB
  • After compression 165.5 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 371.2 kB or 69% of the original size.

CSS Optimization

-86%

Potential reduce by 159.6 kB

  • Original 185.5 kB
  • After minification 144.3 kB
  • After compression 25.9 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. Library.nd.edu needs all CSS files to be minified and compressed as it can save up to 159.6 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (45%)

Requests Now

55

After Optimization

30

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Library Nd. 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 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

library.nd.edu accessibility score

83

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 input fields do not have accessible names

High

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

High

[role]s are not contained by their required parent element

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

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

Best Practices

library.nd.edu best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

library.nd.edu SEO score

90

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Library.nd.edu can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Library.nd.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 Library Nd. 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: