Report Summary

  • 39

    Performance

    Renders faster than
    60% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

scis.org.uk

Home » SCIS

Page Load Speed

5 sec in total

First Response

1.2 sec

Resources Loaded

3.6 sec

Page Rendered

151 ms

scis.org.uk screenshot

About Website

Visit scis.org.uk now to see the best up-to-date SCIS content for United Kingdom and also check out these interesting facts you probably never knew about scis.org.uk

The Scottish Council of Independent Schools is a charity providing a listing of Scotland's independent and private schools with relevant information and advice.

Visit scis.org.uk

Key Findings

We analyzed Scis.org.uk page load time and found that the first response time was 1.2 sec and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

scis.org.uk performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value11.8 s

0/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value160 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.661

8/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

scis.org.uk

1246 ms

spin.min.js

197 ms

layout.css

294 ms

typography.css

200 ms

form.css

201 ms

Our browser made a total of 85 requests to load all elements on the main page. We found that 39% of them (33 requests) were addressed to the original Scis.org.uk, 24% (20 requests) were made to Pbs.twimg.com and 8% (7 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Scis.org.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 302.2 kB (25%)

Content Size

1.2 MB

After Optimization

919.5 kB

In fact, the total size of Scis.org.uk 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. 55% of websites need less resources to load. Images take 863.1 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 49.5 kB

  • Original 61.1 kB
  • After minification 53.4 kB
  • After compression 11.6 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 7.7 kB, which is 13% 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 49.5 kB or 81% of the original size.

Image Optimization

-4%

Potential reduce by 33.8 kB

  • Original 863.1 kB
  • After minification 829.3 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. SCIS images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 152.4 kB

  • Original 218.9 kB
  • After minification 169.9 kB
  • After compression 66.6 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 152.4 kB or 70% of the original size.

CSS Optimization

-85%

Potential reduce by 66.5 kB

  • Original 78.6 kB
  • After minification 67.3 kB
  • After compression 12.1 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. Scis.org.uk needs all CSS files to be minified and compressed as it can save up to 66.5 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (38%)

Requests Now

84

After Optimization

52

The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SCIS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

scis.org.uk accessibility score

75

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-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

scis.org.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

scis.org.uk SEO score

98

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Scis.org.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 Scis.org.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 description is not detected on the main page of SCIS. 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: