Tools & Wizards About Us
schoollibrary.co.uk screenshot

Report Summary

  • 84

    Performance

    Renders faster than
    88% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

schoollibrary.co.uk

Affordable School Library Software Systems Automated Library Management System

Page Load Speed

2.8 sec in total

First Response

289 ms

Resources Loaded

1.7 sec

Page Rendered

815 ms

schoollibrary.co.uk screenshot

About Website

Welcome to schoollibrary.co.uk homepage info - get ready to check School Library best content right away, or after learning these important things about schoollibrary.co.uk

Affordable school library software management systems for schools. Book cataloguing service and library system for a fair and reasonable price.

Visit schoollibrary.co.uk

Key Findings

We analyzed Schoollibrary.co.uk page load time and found that the first response time was 289 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

schoollibrary.co.uk performance score

84

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

64/100

25%

SI (Speed Index)

Value3.1 s

93/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.0 s

88/100

10%

Network Requests Diagram

schoollibrary.co.uk

289 ms

schoollibrary.co.uk

598 ms

bootstrap.min.css

429 ms

carousel.css

264 ms

custom.css

268 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 86% of them (19 requests) were addressed to the original Schoollibrary.co.uk, 9% (2 requests) were made to Ssl.google-analytics.com and 5% (1 request) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (598 ms) belongs to the original domain Schoollibrary.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 373.5 kB (35%)

Content Size

1.1 MB

After Optimization

693.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Schoollibrary.co.uk main page is 1.1 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. 20% of websites need less resources to load. Images take 682.7 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 42.7 kB

  • Original 50.0 kB
  • After minification 26.9 kB
  • After compression 7.3 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 23.1 kB, which is 46% 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 42.7 kB or 85% of the original size.

Image Optimization

-13%

Potential reduce by 86.7 kB

  • Original 682.7 kB
  • After minification 596.0 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, School Library needs image optimization as it can save up to 86.7 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-64%

Potential reduce by 116.4 kB

  • Original 182.4 kB
  • After minification 168.7 kB
  • After compression 66.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 116.4 kB or 64% of the original size.

CSS Optimization

-84%

Potential reduce by 127.8 kB

  • Original 152.2 kB
  • After minification 149.5 kB
  • After compression 24.4 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. Schoollibrary.co.uk needs all CSS files to be minified and compressed as it can save up to 127.8 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (56%)

Requests Now

18

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of School Library. 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 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

schoollibrary.co.uk

schoollibrary.co.uk

289 ms

schoollibrary.co.uk

schoollibrary.co.uk

598 ms

bootstrap.min.css

bootstrap.min.css

429 ms

carousel.css

carousel.css

264 ms

custom.css

custom.css

268 ms

toastr.css

toastr.css

268 ms

jquery-3.3.1.min.js

jquery-3.3.1.min.js

48 ms

popper.min.js

popper.min.js

181 ms

bootstrap.min.js

bootstrap.min.js

367 ms

knockout-3.4.2.js

knockout-3.4.2.js

368 ms

toastr.js

toastr.js

349 ms

Utils.js

Utils.js

349 ms

EnquiryViewModel.js

EnquiryViewModel.js

450 ms

ga.js

ga.js

95 ms

SLSLogo.gif

SLSLogo.gif

149 ms

wizardshat.png

wizardshat.png

148 ms

green-pound-sign.png

green-pound-sign.png

151 ms

pricecomp1.png

pricecomp1.png

150 ms

pricecomp2.png

pricecomp2.png

195 ms

convert.png

convert.png

321 ms

Library.jpg

Library.jpg

492 ms

__utm.gif

__utm.gif

13 ms

Accessibility Review

schoollibrary.co.uk accessibility score

97

Accessibility Issues

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

schoollibrary.co.uk best practices score

58

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

Displays images with incorrect aspect ratio

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

schoollibrary.co.uk 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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Schoollibrary.co.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 Schoollibrary.co.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

schoollibrary.co.uk

Open Graph description is not detected on the main page of School Library. 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: