Tools & Wizards About Us
esf.edu.hk screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

esf.edu.hk

English Schools Foundation | 22 International Schools in HK

Page Load Speed

15.7 sec in total

First Response

871 ms

Resources Loaded

14.4 sec

Page Rendered

406 ms

esf.edu.hk screenshot

About Website

Welcome to esf.edu.hk homepage info - get ready to check Esf best content for Hong Kong right away, or after learning these important things about esf.edu.hk

English Schools Foundation - the largest English-medium international school organisation in Hong Kong. Our 22 schools and comprehensive programme of extra-curricular activities bring out the best in ...

Visit esf.edu.hk

Key Findings

We analyzed Esf.edu.hk page load time and found that the first response time was 871 ms and then it took 14.8 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

esf.edu.hk performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value13.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value28.8 s

0/100

25%

SI (Speed Index)

Value31.7 s

0/100

10%

TBT (Total Blocking Time)

Value3,620 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.038

100/100

15%

TTI (Time to Interactive)

Value30.8 s

0/100

10%

Network Requests Diagram

esf.edu.hk

871 ms

www.esf.edu.hk

1743 ms

monsido-script.js

82 ms

css

77 ms

global.css

432 ms

Our browser made a total of 140 requests to load all elements on the main page. We found that 76% of them (106 requests) were addressed to the original Esf.edu.hk, 8% (11 requests) were made to Fonts.gstatic.com and 5% (7 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Esf.edu.hk.

Page Optimization Overview & Recommendations

Page size can be reduced by 173.8 kB (10%)

Content Size

1.8 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Esf.edu.hk main page is 1.8 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 738.4 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 136.8 kB

  • Original 167.6 kB
  • After minification 162.9 kB
  • After compression 30.7 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. 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 136.8 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 4.9 kB

  • Original 738.4 kB
  • After minification 733.5 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. Esf images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 15.6 kB

  • Original 701.4 kB
  • After minification 701.4 kB
  • After compression 685.8 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

-9%

Potential reduce by 16.4 kB

  • Original 192.6 kB
  • After minification 192.6 kB
  • After compression 176.1 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. Esf.edu.hk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 86 (69%)

Requests Now

124

After Optimization

38

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 124 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Esf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 47 to 1 for JavaScripts and from 41 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

esf.edu.hk

esf.edu.hk

871 ms

www.esf.edu.hk

www.esf.edu.hk

1743 ms

monsido-script.js

monsido-script.js

82 ms

css

css

77 ms

global.css

global.css

432 ms

embed.css

embed.css

67 ms

style.min.css

style.min.css

862 ms

blocks.style.build.css

blocks.style.build.css

648 ms

wc-blocks-vendors-style.css

wc-blocks-vendors-style.css

650 ms

wc-blocks-style.css

wc-blocks-style.css

877 ms

gdm-blocks.css

gdm-blocks.css

663 ms

amo-team-showcase-public.css

amo-team-showcase-public.css

666 ms

cookie-law-info-public.css

cookie-law-info-public.css

867 ms

cookie-law-info-gdpr.css

cookie-law-info-gdpr.css

869 ms

font-awesome.min.css

font-awesome.min.css

890 ms

jquery-ui.css

jquery-ui.css

45 ms

lms-style.css

lms-style.css

892 ms

lms-style-custom.css

lms-style-custom.css

1075 ms

mapsmarkerpro.css

mapsmarkerpro.css

1078 ms

fonts.css

fonts.css

1085 ms

sumoselect.min.css

sumoselect.min.css

1092 ms

jquery.mCustomScrollbar.min.css

jquery.mCustomScrollbar.min.css

1103 ms

styles.min.css

styles.min.css

1108 ms

rs6.css

rs6.css

1290 ms

thepostgrid.css

thepostgrid.css

1509 ms

woocommerce-layout.css

woocommerce-layout.css

1302 ms

woocommerce.css

woocommerce.css

1310 ms

wc-gateway-ppec-frontend.css

wc-gateway-ppec-frontend.css

1321 ms

style.css

style.css

1552 ms

style.css

style.css

1505 ms

css

css

44 ms

css

css

44 ms

superfish.css

superfish.css

1519 ms

component.css

component.css

1526 ms

jquery.fancybox.css

jquery.fancybox.css

1540 ms

flexslider.css

flexslider.css

1718 ms

style-responsive.css

style-responsive.css

1720 ms

style-custom.css

style-custom.css

1736 ms

gdlr-woocommerce.css

gdlr-woocommerce.css

1744 ms

default.css

default.css

1758 ms

jquery.min.js

jquery.min.js

1995 ms

jquery-migrate.min.js

jquery-migrate.min.js

1931 ms

circle-progress.js

circle-progress.js

1934 ms

embed-no-jquery.js

embed-no-jquery.js

73 ms

jquery.easing.min.js

jquery.easing.min.js

52 ms

js

js

66 ms

js

js

38 ms

js

js

42 ms

css

css

21 ms

js

js

73 ms

wp_ultra_simple_shopping_cart_style.css

wp_ultra_simple_shopping_cart_style.css

1749 ms

pe-icon-7-stroke.css

pe-icon-7-stroke.css

1539 ms

global.js

global.js

1340 ms

front-scripts.js

front-scripts.js

1506 ms

cookie-law-info-public.js

cookie-law-info-public.js

1498 ms

jquery.sumoselect.min.js

jquery.sumoselect.min.js

1515 ms

jquery.mobile.min.js

jquery.mobile.min.js

1324 ms

jquery.mCustomScrollbar.concat.min.js

jquery.mCustomScrollbar.concat.min.js

1342 ms

jquery.fullscreen.min.js

jquery.fullscreen.min.js

1355 ms

scripts.min.js

scripts.min.js

1702 ms

rbtools.min.js

rbtools.min.js

1916 ms

rs6.min.js

rs6.min.js

1951 ms

core.min.js

core.min.js

1333 ms

datepicker.min.js

datepicker.min.js

1351 ms

lms-script.js

lms-script.js

1361 ms

jquery.blockUI.min.js

jquery.blockUI.min.js

1533 ms

add-to-cart.min.js

add-to-cart.min.js

1546 ms

js.cookie.min.js

js.cookie.min.js

1557 ms

woocommerce.min.js

woocommerce.min.js

1511 ms

cart-fragments.min.js

cart-fragments.min.js

1540 ms

superfish.js

superfish.js

1600 ms

hoverIntent.min.js

hoverIntent.min.js

1591 ms

supposition.js

supposition.js

1669 ms

modernizr.custom.js

modernizr.custom.js

1665 ms

jquery.dlmenu.js

jquery.dlmenu.js

1658 ms

jquery.fancybox.pack.js

jquery.fancybox.pack.js

1647 ms

jquery.fancybox-media.js

jquery.fancybox-media.js

1634 ms

jquery.fancybox-thumbs.js

jquery.fancybox-thumbs.js

1624 ms

jquery.flexslider.js

jquery.flexslider.js

1669 ms

jquery.isotope.min.js

jquery.isotope.min.js

1668 ms

gdlr-script.js

gdlr-script.js

1650 ms

mapsmarkerpro.js

mapsmarkerpro.js

2554 ms

gtm.js

gtm.js

58 ms

esf-logo-main-2.png

esf-logo-main-2.png

530 ms

dummy.png

dummy.png

529 ms

CNYCard_1Social-400x300.jpg

CNYCard_1Social-400x300.jpg

1004 ms

XmasCard_1Social-2-400x300.jpg

XmasCard_1Social-2-400x300.jpg

1004 ms

MicrosoftTeams-image-4-min-400x300.jpg

MicrosoftTeams-image-4-min-400x300.jpg

1010 ms

MicrosoftTeams-image-5-1-400x300.jpg

MicrosoftTeams-image-5-1-400x300.jpg

998 ms

%E8%8B%B1%E5%9F%BA%E8%A1%8C%E6%94%BF%E7%B8%BD%E8%A3%81%E8%91%9B%E7%90%B3%E5%A5%B3%E5%A3%AB_-Belinda-Greer-Chief-Executive-Officer-of-ESF-400x300.webp

%E8%8B%B1%E5%9F%BA%E8%A1%8C%E6%94%BF%E7%B8%BD%E8%A3%81%E8%91%9B%E7%90%B3%E5%A5%B3%E5%A3%AB_-Belinda-Greer-Chief-Executive-Officer-of-ESF-400x300.webp

784 ms

2-Clockenflap-From-ESF-Classroom-to-the-World-Stage-00-02-06-400x300.jpg

2-Clockenflap-From-ESF-Classroom-to-the-World-Stage-00-02-06-400x300.jpg

1212 ms

ESF-Art-Exhibition2023_0480-400x300.jpg

ESF-Art-Exhibition2023_0480-400x300.jpg

1214 ms

CNYCard_1Social-150x150.jpg

CNYCard_1Social-150x150.jpg

1223 ms

XmasCard_1Social-2-150x150.jpg

XmasCard_1Social-2-150x150.jpg

1222 ms

MicrosoftTeams-image-4-min-150x150.jpg

MicrosoftTeams-image-4-min-150x150.jpg

1230 ms

esf-footer.png

esf-footer.png

1426 ms

js

js

230 ms

analytics.js

analytics.js

226 ms

bg-test-1-2.png

bg-test-1-2.png

1275 ms

ESF_SG_ER_A1_L_8g_CBg_T1_RGB-cropped-1-1.jpg

ESF_SG_ER_A1_L_8g_CBg_T1_RGB-cropped-1-1.jpg

1287 ms

social-sprite.png

social-sprite.png

1286 ms

pattern-stripe.png

pattern-stripe.png

1349 ms

destination

destination

224 ms

fbevents.js

fbevents.js

260 ms

up_loader.1.1.0.js

up_loader.1.1.0.js

260 ms

js

js

213 ms

6xK3dSBYKcSV-LCoeQqfX1RYOo3aPw.ttf

6xK3dSBYKcSV-LCoeQqfX1RYOo3aPw.ttf

198 ms

6xKydSBYKcSV-LCoeQqfX1RYOo3ik4zAkA.ttf

6xKydSBYKcSV-LCoeQqfX1RYOo3ik4zAkA.ttf

332 ms

6xKydSBYKcSV-LCoeQqfX1RYOo3i94_AkA.ttf

6xKydSBYKcSV-LCoeQqfX1RYOo3i94_AkA.ttf

334 ms

6xKydSBYKcSV-LCoeQqfX1RYOo3i54rAkA.ttf

6xKydSBYKcSV-LCoeQqfX1RYOo3i54rAkA.ttf

335 ms

6xKydSBYKcSV-LCoeQqfX1RYOo3ig4vAkA.ttf

6xKydSBYKcSV-LCoeQqfX1RYOo3ig4vAkA.ttf

332 ms

6xKydSBYKcSV-LCoeQqfX1RYOo3iu4nAkA.ttf

6xKydSBYKcSV-LCoeQqfX1RYOo3iu4nAkA.ttf

334 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1604 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX8.ttf

335 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aX8.ttf

333 ms

Pe-icon-7-stroke.woff

Pe-icon-7-stroke.woff

1554 ms

collect

collect

51 ms

collect

collect

149 ms

6xK3dSBYKcSV-LCoeQqfX1RYOo3qOK7g.ttf

6xK3dSBYKcSV-LCoeQqfX1RYOo3qOK7g.ttf

14 ms

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14 ms

6xKydSBYKcSV-LCoeQqfX1RYOo3i94_wlxdr.ttf

6xKydSBYKcSV-LCoeQqfX1RYOo3i94_wlxdr.ttf

12 ms

admin-ajax.php

admin-ajax.php

2933 ms

www.esf.edu.hk

www.esf.edu.hk

1541 ms

1W9A0129.jpg

1W9A0129.jpg

1543 ms

1W9A0129-160x250.jpg

1W9A0129-160x250.jpg

436 ms

Copy-of-IMG_1678-CC-160x250.jpg

Copy-of-IMG_1678-CC-160x250.jpg

229 ms

Y5-3-160x250.jpg

Y5-3-160x250.jpg

227 ms

revicons.woff

revicons.woff

216 ms

admin-ajax.php

admin-ajax.php

1704 ms

admin-ajax.php

admin-ajax.php

2294 ms

esf-marker.png

esf-marker.png

228 ms

marker-shadow.png

marker-shadow.png

230 ms

fullscreen@1x.png

fullscreen@1x.png

230 ms

cross-hairs.png

cross-hairs.png

233 ms

layers.png

layers.png

235 ms

marker.png

marker.png

232 ms

filters.png

filters.png

228 ms

toggle.svg

toggle.svg

225 ms

woocommerce-smallscreen.css

woocommerce-smallscreen.css

220 ms

tracking.monsido.com

tracking.monsido.com

63 ms

Accessibility Review

esf.edu.hk accessibility score

89

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

esf.edu.hk 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

esf.edu.hk SEO score

75

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 Esf.edu.hk 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 Esf.edu.hk 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

esf.edu.hk

Open Graph description is not detected on the main page of Esf. 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: