Tools & Wizards About Us
harrowschool.ac.th screenshot

Report Summary

  • 4

    Performance

    Renders faster than
    20% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

harrowschool.ac.th

Harrow International School Bangkok, Thailand | British Curriculum

Page Load Speed

5 sec in total

First Response

544 ms

Resources Loaded

4.1 sec

Page Rendered

424 ms

harrowschool.ac.th screenshot

About Website

Visit harrowschool.ac.th now to see the best up-to-date Harrow School content for Thailand and also check out these interesting facts you probably never knew about harrowschool.ac.th

Welcome to Harrow Bangkok, the leading British International School in Bangkok, Thailand. Schedule a tour of our state-of-the-art campus today.

Visit harrowschool.ac.th

Key Findings

We analyzed Harrowschool.ac.th page load time and found that the first response time was 544 ms and then it took 4.5 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

harrowschool.ac.th performance score

4

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.2 s

3/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value16.4 s

0/100

10%

TBT (Total Blocking Time)

Value2,990 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.594

11/100

15%

TTI (Time to Interactive)

Value20.8 s

2/100

10%

Network Requests Diagram

harrowschool.ac.th

544 ms

www.harrowschool.ac.th

929 ms

gtm.js

54 ms

gtm.js

123 ms

application-64ed16b1c93340e7053499251282dfc43d3b3882105392bb4729fc427b533ffd.css

237 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 69% of them (40 requests) were addressed to the original Harrowschool.ac.th, 9% (5 requests) were made to Googletagmanager.com and 3% (2 requests) were made to Cookiecdn.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Discover.harrowschool.ac.th.

Page Optimization Overview & Recommendations

Page size can be reduced by 328.1 kB (12%)

Content Size

2.7 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Harrowschool.ac.th main page is 2.7 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 119.1 kB

  • Original 139.0 kB
  • After minification 136.1 kB
  • After compression 19.8 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 119.1 kB or 86% of the original size.

Image Optimization

-1%

Potential reduce by 8.2 kB

  • Original 1.4 MB
  • After minification 1.4 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. Harrow School images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 5.9 kB

  • Original 852.4 kB
  • After minification 852.4 kB
  • After compression 846.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-62%

Potential reduce by 194.9 kB

  • Original 316.8 kB
  • After minification 129.8 kB
  • After compression 121.9 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. Harrowschool.ac.th needs all CSS files to be minified and compressed as it can save up to 194.9 kB or 62% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (60%)

Requests Now

52

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Harrow 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 22 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

harrowschool.ac.th

harrowschool.ac.th

544 ms

www.harrowschool.ac.th

www.harrowschool.ac.th

929 ms

gtm.js

gtm.js

54 ms

gtm.js

gtm.js

123 ms

application-64ed16b1c93340e7053499251282dfc43d3b3882105392bb4729fc427b533ffd.css

application-64ed16b1c93340e7053499251282dfc43d3b3882105392bb4729fc427b533ffd.css

237 ms

styles.cfm

styles.cfm

254 ms

main.css

main.css

80 ms

carousel.css

carousel.css

253 ms

hrw.css

hrw.css

79 ms

light-bg-form-styles.css

light-bg-form-styles.css

120 ms

fw-form-light-without-country-code.css

fw-form-light-without-country-code.css

284 ms

light-bg-open-day-eyc-form-styles.css

light-bg-open-day-eyc-form-styles.css

317 ms

light-bg-open-day-2023-new.css

light-bg-open-day-2023-new.css

122 ms

freshwork-openday-2023-new.css

freshwork-openday-2023-new.css

163 ms

freshwork-openday-2023-final.css

freshwork-openday-2023-final.css

373 ms

in_layout_head-80d1b5f2fc1d59fe361df0bb17f423078b66a153c4ba8a95c76b2e7922f27e53.js

in_layout_head-80d1b5f2fc1d59fe361df0bb17f423078b66a153c4ba8a95c76b2e7922f27e53.js

932 ms

fonts.css

fonts.css

179 ms

addthis_widget.js

addthis_widget.js

218 ms

cwc.js

cwc.js

1056 ms

PHiBU3ro919BQiUsmU8aDBZJ

PHiBU3ro919BQiUsmU8aDBZJ

1032 ms

js.cookie.js

js.cookie.js

1229 ms

handl-utm-grabber.js

handl-utm-grabber.js

1244 ms

analytics.js

analytics.js

52 ms

application-7747e0bf20cc797e0cd3539fc5aca07cfc5ee6872f1ba4bc70ca595f2876e167.js

application-7747e0bf20cc797e0cd3539fc5aca07cfc5ee6872f1ba4bc70ca595f2876e167.js

849 ms

main.js

main.js

166 ms

slick.js

slick.js

203 ms

slick.min.js

slick.min.js

198 ms

vedd3670a3b1c4e178fdfb0cc912d969e1713874337387

vedd3670a3b1c4e178fdfb0cc912d969e1713874337387

98 ms

linkid.js

linkid.js

7 ms

CDE6583FC61886A24.css

CDE6583FC61886A24.css

447 ms

gtm.js

gtm.js

45 ms

js

js

91 ms

destination

destination

58 ms

google_search_box_icon-88c311c24ef690c89e40a0d456c837391eeb1f8fcf05d0c176ff0394d3f20000.png

google_search_box_icon-88c311c24ef690c89e40a0d456c837391eeb1f8fcf05d0c176ff0394d3f20000.png

719 ms

china.svg

china.svg

73 ms

thailand.svg

thailand.svg

72 ms

logo-2020.svg

logo-2020.svg

80 ms

watermark.png

watermark.png

78 ms

School_Level_Entry_Links_-_EYC_LR.jpg

School_Level_Entry_Links_-_EYC_LR.jpg

78 ms

play.svg

play.svg

86 ms

Belle1.jpg

Belle1.jpg

100 ms

Location_600_x_400.jpg

Location_600_x_400.jpg

87 ms

map-bg.svg

map-bg.svg

88 ms

logo-2020.svg

logo-2020.svg

100 ms

poweredby-7fe9cdfc8db6c2419477639e585e15f5fceee483b4a26452877dabab357cb391.svg

poweredby-7fe9cdfc8db6c2419477639e585e15f5fceee483b4a26452877dabab357cb391.svg

370 ms

fbevents.js

fbevents.js

282 ms

hotjar-3593987.js

hotjar-3593987.js

356 ms

icomoon.woff

icomoon.woff

281 ms

icomoon-cd6b5172ffdfd7ab60bb4063e89e719cab35a9393a289e0c55a7acaaf20214cc.woff

icomoon-cd6b5172ffdfd7ab60bb4063e89e719cab35a9393a289e0c55a7acaaf20214cc.woff

356 ms

objects.json

objects.json

238 ms

main.js

main.js

28 ms

modules.1a30a0a67c3c23c13060.js

modules.1a30a0a67c3c23c13060.js

48 ms

825.jpg

825.jpg

776 ms

887.jpg

887.jpg

240 ms

773.jpg

773.jpg

753 ms

450.jpg

450.jpg

234 ms

824.jpg

824.jpg

239 ms

299.jpg

299.jpg

375 ms

Accessibility Review

harrowschool.ac.th accessibility score

90

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 input fields do not have accessible names

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.

Best Practices

harrowschool.ac.th 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

harrowschool.ac.th SEO score

82

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

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 Harrowschool.ac.th 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 Harrowschool.ac.th 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

harrowschool.ac.th

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