Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 99

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

library.anglia.ac.uk

ARU | University Library:

Page Load Speed

2.8 sec in total

First Response

829 ms

Resources Loaded

1.7 sec

Page Rendered

210 ms

library.anglia.ac.uk screenshot

About Website

Welcome to library.anglia.ac.uk homepage info - get ready to check Library Anglia best content for United Kingdom right away, or after learning these important things about library.anglia.ac.uk

ARU | University Library:

Visit library.anglia.ac.uk

Key Findings

We analyzed Library.anglia.ac.uk page load time and found that the first response time was 829 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

library.anglia.ac.uk performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

32/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value420 ms

65/100

30%

CLS (Cumulative Layout Shift)

Value0.272

45/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

Network Requests Diagram

library.anglia.ac.uk

829 ms

css

27 ms

megamenu.css

401 ms

black.css

166 ms

laika.css

167 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 19% of them (15 requests) were addressed to the original Library.anglia.ac.uk, 40% (31 requests) were made to Libweb.anglia.ac.uk and 13% (10 requests) were made to Books.google.co.uk. The less responsive or slowest element that took the longest time to load (829 ms) belongs to the original domain Library.anglia.ac.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 638.5 kB (49%)

Content Size

1.3 MB

After Optimization

659.9 kB

In fact, the total size of Library.anglia.ac.uk main page is 1.3 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 533.7 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 100.7 kB

  • Original 113.9 kB
  • After minification 96.5 kB
  • After compression 13.2 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 17.4 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 100.7 kB or 88% of the original size.

Image Optimization

-11%

Potential reduce by 60.5 kB

  • Original 533.7 kB
  • After minification 473.2 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 Anglia needs image optimization as it can save up to 60.5 kB or 11% 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 333.3 kB

  • Original 480.4 kB
  • After minification 416.3 kB
  • After compression 147.1 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 333.3 kB or 69% of the original size.

CSS Optimization

-85%

Potential reduce by 144.1 kB

  • Original 170.4 kB
  • After minification 134.8 kB
  • After compression 26.3 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. Library.anglia.ac.uk needs all CSS files to be minified and compressed as it can save up to 144.1 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 40 (56%)

Requests Now

72

After Optimization

32

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Library Anglia. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 23 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

library.anglia.ac.uk accessibility score

99

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

library.anglia.ac.uk best practices score

67

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

library.anglia.ac.uk SEO score

90

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

High

Tap targets are not sized appropriately

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 Library.anglia.ac.uk 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 Library.anglia.ac.uk 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 Library Anglia. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: