Tools & Wizards About Us
isa.aberdeen.sch.uk screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    35% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 63% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 78

    SEO

    Google-friendlier than
    39% of websites

isa.aberdeen.sch.uk

International School Aberdeen | International School Aberdeen

Page Load Speed

11.6 sec in total

First Response

401 ms

Resources Loaded

8.3 sec

Page Rendered

3 sec

isa.aberdeen.sch.uk screenshot

About Website

Welcome to isa.aberdeen.sch.uk homepage info - get ready to check Isa Aberdeen best content right away, or after learning these important things about isa.aberdeen.sch.uk

International School Aberdeen (ISA) is Scotland’s first international school, located in Aberdeen. We are an inclusive school for children aged between 3 to…

Visit isa.aberdeen.sch.uk

Key Findings

We analyzed Isa.aberdeen.sch.uk page load time and found that the first response time was 401 ms and then it took 11.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

isa.aberdeen.sch.uk performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

5/100

25%

SI (Speed Index)

Value12.8 s

2/100

10%

TBT (Total Blocking Time)

Value15,100 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value26.6 s

0/100

10%

Network Requests Diagram

isa.aberdeen.sch.uk

401 ms

isa.aberdeen.sch.uk

397 ms

www.isa.aberdeen.sch.uk

2683 ms

analytics.js

142 ms

css

239 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 72% of them (48 requests) were addressed to the original Isa.aberdeen.sch.uk, 10% (7 requests) were made to Youtube.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Isa.aberdeen.sch.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 688.8 kB (22%)

Content Size

3.2 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Isa.aberdeen.sch.uk main page is 3.2 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. 70% of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 65.0 kB

  • Original 72.7 kB
  • After minification 45.3 kB
  • After compression 7.7 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 27.3 kB, which is 38% 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 65.0 kB or 89% of the original size.

Image Optimization

-11%

Potential reduce by 286.1 kB

  • Original 2.5 MB
  • After minification 2.3 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. Obviously, Isa Aberdeen needs image optimization as it can save up to 286.1 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-16%

Potential reduce by 25.4 kB

  • Original 158.9 kB
  • After minification 158.9 kB
  • After compression 133.5 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 25.4 kB or 16% of the original size.

CSS Optimization

-80%

Potential reduce by 312.4 kB

  • Original 392.5 kB
  • After minification 392.3 kB
  • After compression 80.2 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. Isa.aberdeen.sch.uk needs all CSS files to be minified and compressed as it can save up to 312.4 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (38%)

Requests Now

60

After Optimization

37

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Isa Aberdeen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

isa.aberdeen.sch.uk

isa.aberdeen.sch.uk

401 ms

isa.aberdeen.sch.uk

isa.aberdeen.sch.uk

397 ms

www.isa.aberdeen.sch.uk

www.isa.aberdeen.sch.uk

2683 ms

analytics.js

analytics.js

142 ms

css

css

239 ms

app.css

app.css

264 ms

colormatch.css

colormatch.css

859 ms

cookieconsent.min.css

cookieconsent.min.css

235 ms

cookieconsent.min.js

cookieconsent.min.js

222 ms

modernizr-custom.js

modernizr-custom.js

572 ms

style.css

style.css

682 ms

jquery.min.js

jquery.min.js

795 ms

what-input.min.js

what-input.min.js

415 ms

foundation.min.js

foundation.min.js

794 ms

masonry.pkgd.min.js

masonry.pkgd.min.js

513 ms

scrollreveal.min.js

scrollreveal.min.js

656 ms

imagesloaded.pkgd.min.js

imagesloaded.pkgd.min.js

705 ms

tooltipster.bundle.min.js

tooltipster.bundle.min.js

748 ms

booNavigation.min.js

booNavigation.min.js

1155 ms

lightbox.min.js

lightbox.min.js

1248 ms

app.min.js

app.min.js

1153 ms

collect

collect

102 ms

AErzI9VFtzY

AErzI9VFtzY

929 ms

AErzI9VFtzY

AErzI9VFtzY

624 ms

closeBlack.svg

closeBlack.svg

856 ms

loading.gif

loading.gif

856 ms

prev.png

prev.png

870 ms

next.png

next.png

850 ms

rarrBlack.svg

rarrBlack.svg

848 ms

isa-logo-50.svg

isa-logo-50.svg

844 ms

searchGrey.svg

searchGrey.svg

969 ms

50th-Web-banner-Wide.png

50th-Web-banner-Wide.png

2402 ms

Home-Banner-Local-in-spirit.jpg

Home-Banner-Local-in-spirit.jpg

2319 ms

Homepe-page-1.jpg

Homepe-page-1.jpg

2319 ms

Home-page-2.jpg

Home-page-2.jpg

2319 ms

Home-page-3.jpg

Home-page-3.jpg

2319 ms

Home-page-4.jpg

Home-page-4.jpg

2397 ms

larrWhite.svg

larrWhite.svg

2340 ms

rarrWhite.svg

rarrWhite.svg

2348 ms

Homepage-Pre-School-tile.jpg

Homepage-Pre-School-tile.jpg

2352 ms

Homepage-Elementary-School-tile.jpg

Homepage-Elementary-School-tile.jpg

2352 ms

middleschoolThumb.jpg

middleschoolThumb.jpg

2396 ms

Homepage-High-School-tile.jpg

Homepage-High-School-tile.jpg

2353 ms

Home-Page.jpg

Home-Page.jpg

2353 ms

Home-Page-IB-Tile.jpg

Home-Page-IB-Tile.jpg

2396 ms

facilitiesThumb.jpg

facilitiesThumb.jpg

2397 ms

admissionsThumb.jpg

admissionsThumb.jpg

2421 ms

News-Events-tile.jpg

News-Events-tile.jpg

2422 ms

ib.png

ib.png

2423 ms

cis.png

cis.png

2424 ms

msa.png

msa.png

2423 ms

cie.png

cie.png

2424 ms

CNED-Logo-2018.PNG

CNED-Logo-2018.PNG

2425 ms

Tsohost.CharityHosting.SquareButton.jpg

Tsohost.CharityHosting.SquareButton.jpg

2419 ms

backToTop.png

backToTop.png

2444 ms

www-player.css

www-player.css

49 ms

www-embed-player.js

www-embed-player.js

160 ms

base.js

base.js

342 ms

fetch-polyfill.js

fetch-polyfill.js

47 ms

watch

watch

1358 ms

ad_status.js

ad_status.js

969 ms

zTpTj5iL73icUJotOxjPTtZi2N-XvTxEgP8WRrmIBgk.js

zTpTj5iL73icUJotOxjPTtZi2N-XvTxEgP8WRrmIBgk.js

569 ms

embed.js

embed.js

115 ms

id

id

209 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

495 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

500 ms

Create

Create

562 ms

Accessibility Review

isa.aberdeen.sch.uk accessibility score

86

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

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

isa.aberdeen.sch.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

isa.aberdeen.sch.uk SEO score

78

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

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 Isa.aberdeen.sch.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 Isa.aberdeen.sch.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

isa.aberdeen.sch.uk

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