Tools & Wizards About Us
immanuelcollege.co.uk screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

immanuelcollege.co.uk

Private Jewish Primary & Secondary School in London - Immanuel College

Page Load Speed

4.9 sec in total

First Response

235 ms

Resources Loaded

4.2 sec

Page Rendered

467 ms

immanuelcollege.co.uk screenshot

About Website

Visit immanuelcollege.co.uk now to see the best up-to-date Immanuel College content and also check out these interesting facts you probably never knew about immanuelcollege.co.uk

Immanuel College is a Private Jewish Primary and Secondary School based in Bushey, Hertfordshire, North London. For any enquiries, please call 020 8950 0604.

Visit immanuelcollege.co.uk

Key Findings

We analyzed Immanuelcollege.co.uk page load time and found that the first response time was 235 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

immanuelcollege.co.uk performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value12.5 s

0/100

25%

SI (Speed Index)

Value8.0 s

22/100

10%

TBT (Total Blocking Time)

Value500 ms

58/100

30%

CLS (Cumulative Layout Shift)

Value0.389

26/100

15%

TTI (Time to Interactive)

Value18.5 s

3/100

10%

Network Requests Diagram

immanuelcollege.co.uk

235 ms

immanuelcollege.co.uk

1371 ms

gtm.js

66 ms

c_boxes_buttons.css

94 ms

c.css

191 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 60% of them (49 requests) were addressed to the original Immanuelcollege.co.uk, 6% (5 requests) were made to Use.typekit.net and 6% (5 requests) were made to Scontent-lhr8-2.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Immanuelcollege.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 328.9 kB (8%)

Content Size

4.2 MB

After Optimization

3.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Immanuelcollege.co.uk main page is 4.2 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 4.0 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 30.7 kB

  • Original 41.0 kB
  • After minification 37.1 kB
  • After compression 10.3 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. 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 30.7 kB or 75% of the original size.

Image Optimization

-7%

Potential reduce by 259.7 kB

  • Original 4.0 MB
  • After minification 3.7 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. Immanuel College images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 24.0 kB

  • Original 185.6 kB
  • After minification 185.6 kB
  • After compression 161.6 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 24.0 kB or 13% of the original size.

CSS Optimization

-31%

Potential reduce by 14.4 kB

  • Original 47.2 kB
  • After minification 46.9 kB
  • After compression 32.8 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. Immanuelcollege.co.uk needs all CSS files to be minified and compressed as it can save up to 14.4 kB or 31% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (43%)

Requests Now

75

After Optimization

43

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Immanuel College. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

immanuelcollege.co.uk

immanuelcollege.co.uk

235 ms

immanuelcollege.co.uk

immanuelcollege.co.uk

1371 ms

gtm.js

gtm.js

66 ms

c_boxes_buttons.css

c_boxes_buttons.css

94 ms

c.css

c.css

191 ms

aos.css

aos.css

282 ms

jquery.min.js

jquery.min.js

30 ms

CSS_public.css

CSS_public.css

373 ms

element.js

element.js

58 ms

aos.js

aos.js

368 ms

scripts.min.js

scripts.min.js

451 ms

bxslider.min.js

bxslider.min.js

373 ms

cookies.js

cookies.js

456 ms

modal.css

modal.css

379 ms

gswMultiModal.css

gswMultiModal.css

452 ms

gswMultiModal.js

gswMultiModal.js

452 ms

js

js

76 ms

js

js

77 ms

js

js

75 ms

icon

icon

29 ms

css2

css2

45 ms

greenhousefont.css

greenhousefont.css

366 ms

mas1nqc.css

mas1nqc.css

229 ms

p.css

p.css

31 ms

index.php

index.php

143 ms

arrow-open-close.png

arrow-open-close.png

86 ms

fb-tab.png

fb-tab.png

86 ms

insta-tab.png

insta-tab.png

87 ms

tw-tab.png

tw-tab.png

85 ms

trust-btn.jpg

trust-btn.jpg

167 ms

search-ic.png

search-ic.png

170 ms

translate-ic.png

translate-ic.png

171 ms

prep-schools-ic.png

prep-schools-ic.png

172 ms

immanuel-college.png

immanuel-college.png

250 ms

ISOTY-Roundel-Shortlist-2024.jpg

ISOTY-Roundel-Shortlist-2024.jpg

448 ms

TESSA_MPU.png

TESSA_MPU.png

331 ms

address-ic.png

address-ic.png

253 ms

telephone-ic.png

telephone-ic.png

252 ms

mail-ic.png

mail-ic.png

253 ms

immanuelcollege.co.uk

immanuelcollege.co.uk

657 ms

close.png

close.png

448 ms

Pop-ups__1_.png

Pop-ups__1_.png

878 ms

modal_public.css

modal_public.css

289 ms

Copy_of_IJP-23-06-23-IC-0356.jpg

Copy_of_IJP-23-06-23-IC-0356.jpg

537 ms

IJP-23-06-23-IC-0176.jpg

IJP-23-06-23-IC-0176.jpg

703 ms

IJP-23-06-23-IC-0345.jpg

IJP-23-06-23-IC-0345.jpg

578 ms

IJP-28-9-23-IM-0016.jpg

IJP-28-9-23-IM-0016.jpg

992 ms

thumbs1.jpg

thumbs1.jpg

623 ms

d

d

4 ms

d

d

12 ms

d

d

13 ms

d

d

13 ms

colorbox.css

colorbox.css

472 ms

styles.css

styles.css

575 ms

jquery.min.js

jquery.min.js

689 ms

sb-utils.js

sb-utils.js

603 ms

sb-wall.js

sb-wall.js

623 ms

bell.png

bell.png

386 ms

school_vacancies.js

school_vacancies.js

701 ms

nav-right-arrow-white.png

nav-right-arrow-white.png

371 ms

social-icons.png

social-icons.png

204 ms

board-icons.png

board-icons.png

206 ms

share-icons.png

share-icons.png

205 ms

playstate.png

playstate.png

207 ms

459320937_1041270358007514_8487327816353751011_n.jpg

459320937_1041270358007514_8487327816353751011_n.jpg

656 ms

459239274_1040658004735416_6869730945459115385_n.jpg

459239274_1040658004735416_6869730945459115385_n.jpg

575 ms

459052835_1040641458070404_8156468731031268054_n.jpg

459052835_1040641458070404_8156468731031268054_n.jpg

592 ms

458975189_1039991071468776_1982705406848852199_n.jpg

458975189_1039991071468776_1982705406848852199_n.jpg

642 ms

458974292_1039053548229195_6283789670279739192_n.jpg

458974292_1039053548229195_6283789670279739192_n.jpg

672 ms

458927694_8013307335445941_9078691689714155383_n.jpg

458927694_8013307335445941_9078691689714155383_n.jpg

625 ms

458251859_1035412391926644_5582673325285016775_n.jpg

458251859_1035412391926644_5582673325285016775_n.jpg

672 ms

459250194_1040519188082631_7348564975627989101_n.jpg

459250194_1040519188082631_7348564975627989101_n.jpg

681 ms

459009343_1039703654830851_2816890430426929240_n.jpg

459009343_1039703654830851_2816890430426929240_n.jpg

678 ms

458305721_1036023695198847_8342338700796203932_n.jpg

458305721_1036023695198847_8342338700796203932_n.jpg

701 ms

458408900_1036019535199263_5595575275548908247_n.jpg

458408900_1036019535199263_5595575275548908247_n.jpg

724 ms

457792372_1036048795196337_1422981055455268341_n.jpg

457792372_1036048795196337_1422981055455268341_n.jpg

725 ms

458987235_1039217328212817_3614906403179836214_n.jpg

458987235_1039217328212817_3614906403179836214_n.jpg

671 ms

458975679_1039214824879734_8188830112804155998_n.jpg

458975679_1039214824879734_8188830112804155998_n.jpg

662 ms

458794640_1038894064911810_8742088984523469098_n.jpg

458794640_1038894064911810_8742088984523469098_n.jpg

698 ms

457750707_1035392685261948_7618372961593169931_n.jpg

457750707_1035392685261948_7618372961593169931_n.jpg

742 ms

cookiecorner.png

cookiecorner.png

296 ms

Accessibility Review

immanuelcollege.co.uk accessibility score

67

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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

immanuelcollege.co.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

SEO Factors

immanuelcollege.co.uk 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 Immanuelcollege.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 Immanuelcollege.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

immanuelcollege.co.uk

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