Tools & Wizards About Us
british-dragonflies.org.uk screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 74

    SEO

    Google-friendlier than
    32% of websites

british-dragonflies.org.uk

British Dragonfly Society - British Dragonfly Society

Page Load Speed

4 sec in total

First Response

1.2 sec

Resources Loaded

2.6 sec

Page Rendered

225 ms

british-dragonflies.org.uk screenshot

About Website

Welcome to british-dragonflies.org.uk homepage info - get ready to check British Dragonflies best content for United Kingdom right away, or after learning these important things about british-dragonflies.org.uk

Visit british-dragonflies.org.uk

Key Findings

We analyzed British-dragonflies.org.uk page load time and found that the first response time was 1.2 sec and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

british-dragonflies.org.uk performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.2 s

3/100

10%

LCP (Largest Contentful Paint)

Value12.5 s

0/100

25%

SI (Speed Index)

Value14.7 s

1/100

10%

TBT (Total Blocking Time)

Value1,790 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.9 s

13/100

10%

Network Requests Diagram

british-dragonflies.org.uk

1186 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

249 ms

css_vZ_wrMQ9Og-YPPxa1q4us3N7DsZMJa-14jShHgRoRNo.css

163 ms

css_LGu_uKthfETOHV3Ija20OyiNXJgMVjA6T88cXRJ7fU8.css

249 ms

css_oqUwbKiRceNQWT62YTb9pp_5qcHxa949-fNjsFBQC8Y.css

246 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that all of those requests were addressed to British-dragonflies.org.uk and no external sources were called. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain British-dragonflies.org.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 379.4 kB (63%)

Content Size

600.8 kB

After Optimization

221.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of British-dragonflies.org.uk main page is 600.8 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Javascripts take 305.7 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 34.6 kB

  • Original 43.7 kB
  • After minification 41.6 kB
  • After compression 9.1 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 34.6 kB or 79% of the original size.

Image Optimization

-7%

Potential reduce by 11.3 kB

  • Original 159.4 kB
  • After minification 148.0 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. British Dragonflies images are well optimized though.

JavaScript Optimization

-85%

Potential reduce by 260.5 kB

  • Original 305.7 kB
  • After minification 162.8 kB
  • After compression 45.1 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 260.5 kB or 85% of the original size.

CSS Optimization

-79%

Potential reduce by 72.9 kB

  • Original 92.0 kB
  • After minification 89.3 kB
  • After compression 19.1 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. British-dragonflies.org.uk needs all CSS files to be minified and compressed as it can save up to 72.9 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (47%)

Requests Now

30

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of British Dragonflies. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

british-dragonflies.org.uk

british-dragonflies.org.uk

1186 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

249 ms

css_vZ_wrMQ9Og-YPPxa1q4us3N7DsZMJa-14jShHgRoRNo.css

css_vZ_wrMQ9Og-YPPxa1q4us3N7DsZMJa-14jShHgRoRNo.css

163 ms

css_LGu_uKthfETOHV3Ija20OyiNXJgMVjA6T88cXRJ7fU8.css

css_LGu_uKthfETOHV3Ija20OyiNXJgMVjA6T88cXRJ7fU8.css

249 ms

css_oqUwbKiRceNQWT62YTb9pp_5qcHxa949-fNjsFBQC8Y.css

css_oqUwbKiRceNQWT62YTb9pp_5qcHxa949-fNjsFBQC8Y.css

246 ms

css_WkIQlS2V8h4Vh16HARhGTGX8u2nA_FzvuTZ5-DXLwaQ.css

css_WkIQlS2V8h4Vh16HARhGTGX8u2nA_FzvuTZ5-DXLwaQ.css

169 ms

css_TNF7IhK-CKPKeolmYZ-KjYYT9ukvcVtYFirQ62fP8kk.css

css_TNF7IhK-CKPKeolmYZ-KjYYT9ukvcVtYFirQ62fP8kk.css

241 ms

css_GcJZnpoY223x6MtSGGAwTQpc8kRXLhCnTMkiixDc8gw.css

css_GcJZnpoY223x6MtSGGAwTQpc8kRXLhCnTMkiixDc8gw.css

246 ms

css_rHR8M0Nznm0qvTiKiehYBDqiX9nXpE1-58Ggq8yj210.css

css_rHR8M0Nznm0qvTiKiehYBDqiX9nXpE1-58Ggq8yj210.css

251 ms

js_Wa7OCC8_3PwHd_siU0CJ_TdjYirAozJp44nb1F19bhg.js

js_Wa7OCC8_3PwHd_siU0CJ_TdjYirAozJp44nb1F19bhg.js

829 ms

js_obFUyTbqtcoGQtszVI46l1_oD927PzlDtlr_ilpYBqE.js

js_obFUyTbqtcoGQtszVI46l1_oD927PzlDtlr_ilpYBqE.js

382 ms

js_A_ULD7hDi6_9CdEFDdY2GzNKM4xlB9dGRo4LPp9HZ4s.js

js_A_ULD7hDi6_9CdEFDdY2GzNKM4xlB9dGRo4LPp9HZ4s.js

631 ms

darter%20dragonfly%20nymph%20by%20neil%20phillips-2.jpg

darter%20dragonfly%20nymph%20by%20neil%20phillips-2.jpg

324 ms

menu-leaf.png

menu-leaf.png

113 ms

logo.png

logo.png

282 ms

Agrandis.jpg

Agrandis.jpg

114 ms

Sympetrum%20danae%20m%20-%20David%20Kitching%20-%20for%20Rotor.jpg

Sympetrum%20danae%20m%20-%20David%20Kitching%20-%20for%20Rotor.jpg

267 ms

shadow-t.png

shadow-t.png

86 ms

corner-bits.png

corner-bits.png

86 ms

shadow-l.png

shadow-l.png

167 ms

shadow-r.png

shadow-r.png

167 ms

shadow-b.png

shadow-b.png

206 ms

bg_node.gif

bg_node.gif

237 ms

arrows-ffffff.png

arrows-ffffff.png

253 ms

shadow.png

shadow.png

332 ms

Coenagrion%20mercuriale%20m%20Helder%20Concei%C3%A7%C3%A3o.jpg

Coenagrion%20mercuriale%20m%20Helder%20Concei%C3%A7%C3%A3o.jpg

578 ms

Icon-72%402x.png

Icon-72%402x.png

352 ms

identify%20it_0.jpg

identify%20it_0.jpg

547 ms

SoTM-D15-3441-E-cyathigerum.jpg

SoTM-D15-3441-E-cyathigerum.jpg

388 ms

facebook-icon-on-green.gif

facebook-icon-on-green.gif

238 ms

twitter-icon-on-green.gif

twitter-icon-on-green.gif

321 ms

Accessibility Review

british-dragonflies.org.uk accessibility score

79

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-*] attributes do not match their roles

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

british-dragonflies.org.uk best practices score

92

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

Missing source maps for large first-party JavaScript

SEO Factors

british-dragonflies.org.uk SEO score

74

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 British-dragonflies.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 British-dragonflies.org.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

british-dragonflies.org.uk

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