Tools & Wizards About Us
johnlockeacademy.co.uk screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

johnlockeacademy.co.uk

Outstanding School | Greater London | John Locke Academy

Page Load Speed

3.5 sec in total

First Response

443 ms

Resources Loaded

2.8 sec

Page Rendered

236 ms

johnlockeacademy.co.uk screenshot

About Website

Welcome to johnlockeacademy.co.uk homepage info - get ready to check John Locke Academy best content right away, or after learning these important things about johnlockeacademy.co.uk

At John Locke Academy our ethos is 'Opening minds to success; opening hearts to succeed'. Welcome to our website.

Visit johnlockeacademy.co.uk

Key Findings

We analyzed Johnlockeacademy.co.uk page load time and found that the first response time was 443 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

johnlockeacademy.co.uk performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value14.7 s

0/100

25%

SI (Speed Index)

Value11.5 s

5/100

10%

TBT (Total Blocking Time)

Value4,840 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.25

50/100

15%

TTI (Time to Interactive)

Value21.5 s

1/100

10%

Network Requests Diagram

www.johnlockeacademy.co.uk

443 ms

minified.js

246 ms

focus-within-polyfill.js

194 ms

polyfill.min.js

374 ms

bootstrap-features.88016560.bundle.min.js

260 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Johnlockeacademy.co.uk, 59% (33 requests) were made to Static.wixstatic.com and 32% (18 requests) were made to Static.parastorage.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Static.wixstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 538.7 kB (51%)

Content Size

1.1 MB

After Optimization

527.9 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Johnlockeacademy.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. 45% of websites need less resources to load. HTML takes 633.3 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 503.8 kB

  • Original 633.3 kB
  • After minification 631.5 kB
  • After compression 129.5 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 503.8 kB or 80% of the original size.

Image Optimization

-10%

Potential reduce by 34.9 kB

  • Original 342.6 kB
  • After minification 307.8 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. John Locke Academy images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 66 B

  • Original 90.7 kB
  • After minification 90.7 kB
  • After compression 90.6 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.

Requests Breakdown

Number of requests can be reduced by 9 (18%)

Requests Now

50

After Optimization

41

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of John Locke Academy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.johnlockeacademy.co.uk

www.johnlockeacademy.co.uk

443 ms

minified.js

minified.js

246 ms

focus-within-polyfill.js

focus-within-polyfill.js

194 ms

polyfill.min.js

polyfill.min.js

374 ms

bootstrap-features.88016560.bundle.min.js

bootstrap-features.88016560.bundle.min.js

260 ms

main.dca78a96.bundle.min.js

main.dca78a96.bundle.min.js

258 ms

lodash.min.js

lodash.min.js

256 ms

react.production.min.js

react.production.min.js

257 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

255 ms

wix-perf-measure.bundle.min.js

wix-perf-measure.bundle.min.js

251 ms

react-dom.production.min.js

react-dom.production.min.js

251 ms

d15c69_dc5de013864a487facd67ee1e1901040~mv2.png

d15c69_dc5de013864a487facd67ee1e1901040~mv2.png

507 ms

thunderbolt

thunderbolt

376 ms

d15c69_18a6094ddaf947a98ce47944853fd5d7~mv2.png

d15c69_18a6094ddaf947a98ce47944853fd5d7~mv2.png

584 ms

d15c69_70a2961671034a2f952ee2f46d17ba05~mv2.png

d15c69_70a2961671034a2f952ee2f46d17ba05~mv2.png

630 ms

d15c69_04db53419928459ca2448e28e814c046~mv2.gif

d15c69_04db53419928459ca2448e28e814c046~mv2.gif

497 ms

d15c69_b100956343314e09aa8d4884518aefd5~mv2.jpg

d15c69_b100956343314e09aa8d4884518aefd5~mv2.jpg

545 ms

d15c69_b100956343314e09aa8d4884518aefd5~mv2.jpg

d15c69_b100956343314e09aa8d4884518aefd5~mv2.jpg

519 ms

d15c69_b3328fb80fa94bd1b8ac782db997788b~mv2.jpg

d15c69_b3328fb80fa94bd1b8ac782db997788b~mv2.jpg

633 ms

d15c69_b3328fb80fa94bd1b8ac782db997788b~mv2.jpg

d15c69_b3328fb80fa94bd1b8ac782db997788b~mv2.jpg

646 ms

d15c69_cd26b64cb2504f17801a250278b6e02d~mv2_d_1936_2592_s_2.jpg

d15c69_cd26b64cb2504f17801a250278b6e02d~mv2_d_1936_2592_s_2.jpg

658 ms

d15c69_cd26b64cb2504f17801a250278b6e02d~mv2_d_1936_2592_s_2.jpg

d15c69_cd26b64cb2504f17801a250278b6e02d~mv2_d_1936_2592_s_2.jpg

638 ms

d15c69_c747e35f44e94700830731b4ee86437e~mv2_d_4032_3024_s_4_2.jpg

d15c69_c747e35f44e94700830731b4ee86437e~mv2_d_4032_3024_s_4_2.jpg

721 ms

d15c69_c747e35f44e94700830731b4ee86437e~mv2_d_4032_3024_s_4_2.jpg

d15c69_c747e35f44e94700830731b4ee86437e~mv2_d_4032_3024_s_4_2.jpg

759 ms

d15c69_d10afb0df8fd45168a4191337920fd0d~mv2_d_1936_2592_s_2.jpg

d15c69_d10afb0df8fd45168a4191337920fd0d~mv2_d_1936_2592_s_2.jpg

780 ms

d15c69_d10afb0df8fd45168a4191337920fd0d~mv2_d_1936_2592_s_2.jpg

d15c69_d10afb0df8fd45168a4191337920fd0d~mv2_d_1936_2592_s_2.jpg

853 ms

d15c69_608c8844b9e2481cb980b5299242de59~mv2_d_2021_1900_s_2.jpg

d15c69_608c8844b9e2481cb980b5299242de59~mv2_d_2021_1900_s_2.jpg

834 ms

d15c69_608c8844b9e2481cb980b5299242de59~mv2_d_2021_1900_s_2.jpg

d15c69_608c8844b9e2481cb980b5299242de59~mv2_d_2021_1900_s_2.jpg

796 ms

d15c69_dff13d625035467b9b013b113e69ea8c~mv2_d_1440_2560_s_2.jpg

d15c69_dff13d625035467b9b013b113e69ea8c~mv2_d_1440_2560_s_2.jpg

904 ms

d15c69_dff13d625035467b9b013b113e69ea8c~mv2_d_1440_2560_s_2.jpg

d15c69_dff13d625035467b9b013b113e69ea8c~mv2_d_1440_2560_s_2.jpg

919 ms

d15c69_e0702d8f95504a438d838d33609cd6da~mv2.jpg

d15c69_e0702d8f95504a438d838d33609cd6da~mv2.jpg

962 ms

d15c69_e0702d8f95504a438d838d33609cd6da~mv2.jpg

d15c69_e0702d8f95504a438d838d33609cd6da~mv2.jpg

985 ms

d15c69_7cdbf9dcd4784f01b9ae8c08134b3315~mv2_d_2560_1440_s_2.jpg

d15c69_7cdbf9dcd4784f01b9ae8c08134b3315~mv2_d_2560_1440_s_2.jpg

1093 ms

d15c69_7cdbf9dcd4784f01b9ae8c08134b3315~mv2_d_2560_1440_s_2.jpg

d15c69_7cdbf9dcd4784f01b9ae8c08134b3315~mv2_d_2560_1440_s_2.jpg

1068 ms

d15c69_1ab38e29622a47bd97ded61a8d920d60~mv2_d_4032_3024_s_4_2.jpg

d15c69_1ab38e29622a47bd97ded61a8d920d60~mv2_d_4032_3024_s_4_2.jpg

1135 ms

d15c69_1ab38e29622a47bd97ded61a8d920d60~mv2_d_4032_3024_s_4_2.jpg

d15c69_1ab38e29622a47bd97ded61a8d920d60~mv2_d_4032_3024_s_4_2.jpg

1169 ms

d15c69_18a6094ddaf947a98ce47944853fd5d7~mv2.png

d15c69_18a6094ddaf947a98ce47944853fd5d7~mv2.png

1061 ms

d15c69_4cbe60b5b81d463e94066a70310efa67~mv2.png

d15c69_4cbe60b5b81d463e94066a70310efa67~mv2.png

1099 ms

d15c69_32aa4cba6f114890978542de1151428a~mv2.png

d15c69_32aa4cba6f114890978542de1151428a~mv2.png

1209 ms

d15c69_5bdcf8a93c674794b75843038ba2b08a~mv2.jpeg

d15c69_5bdcf8a93c674794b75843038ba2b08a~mv2.jpeg

1249 ms

d15c69_b38e5c207cb5460396afd9d9a308cad4~mv2.jpeg

d15c69_b38e5c207cb5460396afd9d9a308cad4~mv2.jpeg

1187 ms

d15c69_f5bca079eb084555a16e3874afcf02af~mv2.png

d15c69_f5bca079eb084555a16e3874afcf02af~mv2.png

1231 ms

d15c69_befe9990890141e6a340df188b38a802~mv2.png

d15c69_befe9990890141e6a340df188b38a802~mv2.png

1282 ms

d15c69_2e7fc2f2bcb74518a24597ab450b77cc~mv2.png

d15c69_2e7fc2f2bcb74518a24597ab450b77cc~mv2.png

1359 ms

tiny_arrows.b8194fe3.png

tiny_arrows.b8194fe3.png

158 ms

e3bf95a9cdd441ebaf55f139b1b5a7b8.png

e3bf95a9cdd441ebaf55f139b1b5a7b8.png

1023 ms

20f7861b-3ff7-47f3-b0f5-1e0626824a63.woff

20f7861b-3ff7-47f3-b0f5-1e0626824a63.woff

66 ms

opensans-regular-webfont.woff

opensans-regular-webfont.woff

36 ms

opensans-bold-webfont.woff

opensans-bold-webfont.woff

64 ms

c5749443-93da-4592-b794-42f28d62ef72.woff

c5749443-93da-4592-b794-42f28d62ef72.woff

65 ms

908c4810-64db-4b46-bb8e-823eb41f68c0.woff

908c4810-64db-4b46-bb8e-823eb41f68c0.woff

16 ms

thunderbolt

thunderbolt

32 ms

deprecation-en.v5.html

deprecation-en.v5.html

89 ms

bolt-performance

bolt-performance

217 ms

deprecation-style.v5.css

deprecation-style.v5.css

130 ms

right-arrow.svg

right-arrow.svg

125 ms

Accessibility Review

johnlockeacademy.co.uk accessibility score

87

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

johnlockeacademy.co.uk best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

johnlockeacademy.co.uk SEO score

92

Search Engine Optimization Advices

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

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 Johnlockeacademy.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 Johnlockeacademy.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

johnlockeacademy.co.uk

Open Graph data is detected on the main page of John Locke Academy. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: