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harrisgreenwich.org.uk screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    56% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

harrisgreenwich.org.uk

Welcome from the Executive Principal - Harris Academy Greenwich

Page Load Speed

4.3 sec in total

First Response

173 ms

Resources Loaded

3.8 sec

Page Rendered

271 ms

harrisgreenwich.org.uk screenshot

About Website

Visit harrisgreenwich.org.uk now to see the best up-to-date Harris Greenwich content for United Kingdom and also check out these interesting facts you probably never knew about harrisgreenwich.org.uk

Harris Academy Greenwich combines the traditional values of discipline, respect and good behaviour with contemporary practice in teaching and technology. We are a welcoming and friendly Academy where ...

Visit harrisgreenwich.org.uk

Key Findings

We analyzed Harrisgreenwich.org.uk page load time and found that the first response time was 173 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

harrisgreenwich.org.uk performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value14.6 s

0/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value330 ms

75/100

30%

CLS (Cumulative Layout Shift)

Value0.232

54/100

15%

TTI (Time to Interactive)

Value15.1 s

7/100

10%

Network Requests Diagram

harrisgreenwich.org.uk

173 ms

www.harrisgreenwich.org.uk

2409 ms

bootstrap_min.css

75 ms

font-awesome.min.css

44 ms

screen_1711444783.css

271 ms

Our browser made a total of 99 requests to load all elements on the main page. We found that 19% of them (19 requests) were addressed to the original Harrisgreenwich.org.uk, 51% (50 requests) were made to 0e58658be539ee7325a0-220f04f871df648cf4a4d93a111e3366.ssl.cf3.rackcdn.com and 11% (11 requests) were made to Pbs.twimg.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Harrisgreenwich.org.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 763.1 kB (19%)

Content Size

3.9 MB

After Optimization

3.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Harrisgreenwich.org.uk main page is 3.9 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. 75% 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 3.7 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 110.3 kB

  • Original 127.4 kB
  • After minification 121.6 kB
  • After compression 17.1 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 110.3 kB or 87% of the original size.

Image Optimization

-17%

Potential reduce by 630.2 kB

  • Original 3.7 MB
  • After minification 3.1 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, Harris Greenwich needs image optimization as it can save up to 630.2 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-24%

Potential reduce by 20.7 kB

  • Original 84.7 kB
  • After minification 82.6 kB
  • After compression 64.0 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 20.7 kB or 24% of the original size.

CSS Optimization

-9%

Potential reduce by 1.8 kB

  • Original 20.2 kB
  • After minification 20.2 kB
  • After compression 18.4 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. Harrisgreenwich.org.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 11 (12%)

Requests Now

91

After Optimization

80

  • Images
  • JavaScript
  • CSS

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Harris Greenwich. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

harrisgreenwich.org.uk

harrisgreenwich.org.uk

173 ms

www.harrisgreenwich.org.uk

www.harrisgreenwich.org.uk

2409 ms

bootstrap_min.css

bootstrap_min.css

75 ms

font-awesome.min.css

font-awesome.min.css

44 ms

screen_1711444783.css

screen_1711444783.css

271 ms

jquery.min.js

jquery.min.js

43 ms

jquery.plugin.js

jquery.plugin.js

55 ms

swfobject.js

swfobject.js

49 ms

jquery.autocomplete.js

jquery.autocomplete.js

83 ms

screen.js

screen.js

47 ms

jquery.datepicker_1.8.js

jquery.datepicker_1.8.js

48 ms

site_script_1706607653.js

site_script_1706607653.js

754 ms

element.js

element.js

72 ms

cookie_popup_v5.css

cookie_popup_v5.css

222 ms

cookie_popup_v5.js

cookie_popup_v5.js

223 ms

5_21_h_v5.jpg

5_21_h_v5.jpg

229 ms

GVue3jmW8AAeeOb.jpg

GVue3jmW8AAeeOb.jpg

172 ms

4_7_s.png

4_7_s.png

743 ms

GVCNZxQaYAAYH2P.jpg

GVCNZxQaYAAYH2P.jpg

169 ms

GSzSS3tWIAIRIqQ.jpg

GSzSS3tWIAIRIqQ.jpg

186 ms

GSzQHI9WAAARKkW.jpg

GSzQHI9WAAARKkW.jpg

186 ms

GSzNMKBWkAAdvDx.jpg

GSzNMKBWkAAdvDx.jpg

184 ms

5FdTgujlBKv9UO0q.jpg

5FdTgujlBKv9UO0q.jpg

169 ms

GSohWcYXIAAVb0w.jpg

GSohWcYXIAAVb0w.jpg

210 ms

GSoYZFzXoAAGvsS.jpg

GSoYZFzXoAAGvsS.jpg

211 ms

GSnPCmaWwAA9-SM.jpg

GSnPCmaWwAA9-SM.jpg

215 ms

GSjVYbcWgAA5wK1.jpg

GSjVYbcWgAA5wK1.jpg

330 ms

GSjT_KUXUAAFNFn.jpg

GSjT_KUXUAAFNFn.jpg

210 ms

5_8_h.jpg

5_8_h.jpg

216 ms

5_26_h.jpg

5_26_h.jpg

220 ms

5_12_h.jpg

5_12_h.jpg

269 ms

5_20_h.jpg

5_20_h.jpg

270 ms

5_16_h.jpg

5_16_h.jpg

219 ms

5_6_h.jpg

5_6_h.jpg

218 ms

5_7_h.jpg

5_7_h.jpg

221 ms

5_9_h.jpg

5_9_h.jpg

221 ms

5_27_h.jpg

5_27_h.jpg

222 ms

5_28_h.jpg

5_28_h.jpg

222 ms

2_2_sbw_v6.jpg

2_2_sbw_v6.jpg

223 ms

2_2_s_v5.jpg

2_2_s_v5.jpg

225 ms

2_3_sbw_v2.jpg

2_3_sbw_v2.jpg

225 ms

2_3_s_v1.jpg

2_3_s_v1.jpg

224 ms

2_4_sbw_v2.jpg

2_4_sbw_v2.jpg

273 ms

2_4_s_v1.jpg

2_4_s_v1.jpg

226 ms

2_5_sbw_v4.jpg

2_5_sbw_v4.jpg

228 ms

2_5_s_v3.jpg

2_5_s_v3.jpg

228 ms

2_7_sbw.jpg

2_7_sbw.jpg

232 ms

2_7_s.jpg

2_7_s.jpg

231 ms

2_9_sbw.jpg

2_9_sbw.jpg

229 ms

2_9_s.jpg

2_9_s.jpg

268 ms

2_10_sbw.jpg

2_10_sbw.jpg

268 ms

2_10_s.jpg

2_10_s.jpg

269 ms

2_11_sbw.jpg

2_11_sbw.jpg

271 ms

2_11_s.jpg

2_11_s.jpg

273 ms

2_12_sbw.jpg

2_12_sbw.jpg

273 ms

2_12_s.jpg

2_12_s.jpg

269 ms

2_13_sbw_v1.jpg

2_13_sbw_v1.jpg

271 ms

2_13_s_v1.jpg

2_13_s_v1.jpg

270 ms

2_14_sbw_v1.jpg

2_14_sbw_v1.jpg

270 ms

2_14_s_v1.jpg

2_14_s_v1.jpg

271 ms

2_15_sbw.jpg

2_15_sbw.jpg

275 ms

2_15_s.jpg

2_15_s.jpg

276 ms

2_16_sbw.jpg

2_16_sbw.jpg

272 ms

big_overlay.png

big_overlay.png

206 ms

logo.png

logo.png

210 ms

twiter_wall_link.png

twiter_wall_link.png

206 ms

hide_show_side.png

hide_show_side.png

322 ms

side_panel_logo.png

side_panel_logo.png

322 ms

loader.gif

loader.gif

322 ms

footer_logo.png

footer_logo.png

326 ms

harris_footer_logo.png

harris_footer_logo.png

325 ms

footer_bul.png

footer_bul.png

350 ms

footer_cb_logo.png

footer_cb_logo.png

351 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

32 ms

palatinolight1-webfont.svg

palatinolight1-webfont.svg

95 ms

OpenSans-Semibold-webfont.svg

OpenSans-Semibold-webfont.svg

145 ms

OpenSans-Light-webfont.svg

OpenSans-Light-webfont.svg

604 ms

OpenSans-Regular-webfont.svg

OpenSans-Regular-webfont.svg

135 ms

harris_icon.svg

harris_icon.svg

132 ms

2_16_s.jpg

2_16_s.jpg

61 ms

2_17_sbw.jpg

2_17_sbw.jpg

59 ms

2_17_s.jpg

2_17_s.jpg

58 ms

2_18_sbw.jpg

2_18_sbw.jpg

57 ms

2_18_s.jpg

2_18_s.jpg

58 ms

2_19_sbw.jpg

2_19_sbw.jpg

57 ms

2_19_s.jpg

2_19_s.jpg

58 ms

2_20_sbw.jpg

2_20_sbw.jpg

57 ms

2_20_s.jpg

2_20_s.jpg

58 ms

2_21_sbw.jpg

2_21_sbw.jpg

56 ms

2_21_s.jpg

2_21_s.jpg

55 ms

2_22_sbw.jpg

2_22_sbw.jpg

98 ms

2_22_s.jpg

2_22_s.jpg

54 ms

palatinolight1-webfont.ttf

palatinolight1-webfont.ttf

118 ms

OpenSans-Semibold-webfont.ttf

OpenSans-Semibold-webfont.ttf

9 ms

OpenSans-Regular-webfont.ttf

OpenSans-Regular-webfont.ttf

26 ms

nav_sub.png

nav_sub.png

135 ms

3_15_s_v6.jpg

3_15_s_v6.jpg

87 ms

home_header_grad_280.png

home_header_grad_280.png

79 ms

OpenSans-Light-webfont.ttf

OpenSans-Light-webfont.ttf

34 ms

Accessibility Review

harrisgreenwich.org.uk accessibility score

70

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

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

harrisgreenwich.org.uk best practices score

58

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

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

harrisgreenwich.org.uk 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

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Harrisgreenwich.org.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 Harrisgreenwich.org.uk main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

harrisgreenwich.org.uk

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