Report Summary

  • 3

    Performance

    Renders faster than
    20% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

glynschool.org

Welcome to Glyn School

Page Load Speed

21.2 sec in total

First Response

240 ms

Resources Loaded

20.1 sec

Page Rendered

861 ms

About Website

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

Glyn School is a vibrant school for boys aged 11-16 with an oversubscribed and successful Sixth Form in Surrey.

Visit glynschool.org

Key Findings

We analyzed Glynschool.org page load time and found that the first response time was 240 ms and then it took 21 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

glynschool.org performance score

3

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value14.9 s

0/100

25%

SI (Speed Index)

Value27.5 s

0/100

10%

TBT (Total Blocking Time)

Value43,390 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.845

4/100

15%

TTI (Time to Interactive)

Value67.0 s

0/100

10%

Network Requests Diagram

glynschool.org

240 ms

www.glynschool.org

5294 ms

font-awesome.min.css

42 ms

css2

46 ms

js

48 ms

Our browser made a total of 97 requests to load all elements on the main page. We found that 25% of them (24 requests) were addressed to the original Glynschool.org, 20% (19 requests) were made to Pbs.twimg.com and 12% (12 requests) were made to Fonts.cleverbox.co.uk. The less responsive or slowest element that took the longest time to load (9.8 sec) relates to the external source Scontent-lhr6-1.cdninstagram.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 474.6 kB (3%)

Content Size

13.9 MB

After Optimization

13.5 MB

In fact, the total size of Glynschool.org main page is 13.9 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. Only a small number of websites need less resources to load. Images take 13.2 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 284.0 kB

  • Original 345.0 kB
  • After minification 287.2 kB
  • After compression 61.0 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. This page needs HTML code to be minified as it can gain 57.8 kB, which is 17% 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 284.0 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 167.3 kB

  • Original 13.2 MB
  • After minification 13.0 MB

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. Glyn School images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 22.9 kB

  • Original 361.6 kB
  • After minification 347.4 kB
  • After compression 338.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 434 B

  • Original 79.7 kB
  • After minification 79.7 kB
  • After compression 79.3 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. Glynschool.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 12 (15%)

Requests Now

79

After Optimization

67

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Glyn School. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

glynschool.org accessibility score

77

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

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

glynschool.org 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

glynschool.org SEO score

77

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

High

Image elements do not have [alt] attributes

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

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 Glynschool.org 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 Glynschool.org 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 Glyn School. 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: