Tools & Wizards About Us
thersa.org screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

thersa.org

The RSA - RSA

Page Load Speed

3.4 sec in total

First Response

192 ms

Resources Loaded

3 sec

Page Rendered

168 ms

thersa.org screenshot

About Website

Visit thersa.org now to see the best up-to-date The RSA content for United Kingdom and also check out these interesting facts you probably never knew about thersa.org

We unite people and ideas. Join us to resolve the challenges of our time.

Visit thersa.org

Key Findings

We analyzed Thersa.org page load time and found that the first response time was 192 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

thersa.org performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value3.9 s

83/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0.579

12/100

15%

TTI (Time to Interactive)

Value5.8 s

67/100

10%

Network Requests Diagram

thersa.org

192 ms

thersa.org

675 ms

OtAutoBlock.js

45 ms

otSDKStub.js

59 ms

styles.css

91 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 81% of them (29 requests) were addressed to the original Thersa.org, 8% (3 requests) were made to Cdn.cookielaw.org and 6% (2 requests) were made to Dl.episerver.net. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Thersa.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 496.9 kB (2%)

Content Size

23.3 MB

After Optimization

22.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Thersa.org main page is 23.3 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. 30% of websites need less resources to load. Images take 23.2 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 57.5 kB

  • Original 65.6 kB
  • After minification 42.7 kB
  • After compression 8.1 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. This page needs HTML code to be minified as it can gain 22.9 kB, which is 35% 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 57.5 kB or 88% of the original size.

Image Optimization

-2%

Potential reduce by 425.4 kB

  • Original 23.2 MB
  • After minification 22.7 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. The RSA images are well optimized though.

JavaScript Optimization

-10%

Potential reduce by 4.2 kB

  • Original 41.4 kB
  • After minification 41.4 kB
  • After compression 37.2 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

-38%

Potential reduce by 9.8 kB

  • Original 25.7 kB
  • After minification 25.7 kB
  • After compression 16.0 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. Thersa.org needs all CSS files to be minified and compressed as it can save up to 9.8 kB or 38% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (21%)

Requests Now

34

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of The RSA. 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 JavaScripts and as a result speed up the page load time.

Network Requests Diagram

thersa.org

thersa.org

192 ms

thersa.org

thersa.org

675 ms

OtAutoBlock.js

OtAutoBlock.js

45 ms

otSDKStub.js

otSDKStub.js

59 ms

styles.css

styles.css

91 ms

monsido-script.js

monsido-script.js

24 ms

native.history.js

native.history.js

39 ms

find.js

find.js

48 ms

appEsm.js

appEsm.js

172 ms

preload.js

preload.js

276 ms

e1c37b91-83bd-41e0-a6e7-98705640fbd3.json

e1c37b91-83bd-41e0-a6e7-98705640fbd3.json

93 ms

svg.svg

svg.svg

184 ms

ceo-lecture-event-image-new.png

ceo-lecture-event-image-new.png

862 ms

third-benefit-listin.png

third-benefit-listin.png

464 ms

202205-rsa-fellows-festival-workshop-fellows-interacting-05-960x550.jpg

202205-rsa-fellows-festival-workshop-fellows-interacting-05-960x550.jpg

444 ms

stateofparalysis_listingimage_600x338.png

stateofparalysis_listingimage_600x338.png

587 ms

serhii-skorovayny-1.jpg

serhii-skorovayny-1.jpg

1317 ms

colleagues-in-group-workshop-session-in-cafe-600x400.jpg

colleagues-in-group-workshop-session-in-cafe-600x400.jpg

511 ms

270anniversary_logo_listingimage_600x338.png

270anniversary_logo_listingimage_600x338.png

558 ms

rsa-house---great-room---fine-dining-long-tables--600x338.jpg

rsa-house---great-room---fine-dining-long-tables--600x338.jpg

661 ms

ageofaspiration_hp_heroimage_700x636.png

ageofaspiration_hp_heroimage_700x636.png

699 ms

corporatemembership_5_articletitlebodycopyimage_960x550.png

corporatemembership_5_articletitlebodycopyimage_960x550.png

751 ms

carol-sanford.png

carol-sanford.png

851 ms

dfla_corporatepage_articletitlebodycopyimage_960x550.png

dfla_corporatepage_articletitlebodycopyimage_960x550.png

787 ms

earth-image-960x549-gettyimages-1363115988.jpg

earth-image-960x549-gettyimages-1363115988.jpg

801 ms

rsa270years_listingimage_600x338.png

rsa270years_listingimage_600x338.png

861 ms

210224_pgpblog_listingimage_600x338.png

210224_pgpblog_listingimage_600x338.png

966 ms

regenerativecapitalism_listingimage_600x338.png

regenerativecapitalism_listingimage_600x338.png

903 ms

hashtag-icon-seamless-pattern-background-600x-400.jpg

hashtag-icon-seamless-pattern-background-600x-400.jpg

955 ms

skyline-dean-village-edinburgh-lothian-scotland-600-by-338.jpg

skyline-dean-village-edinburgh-lothian-scotland-600-by-338.jpg

961 ms

cheerful-multi-ethnic-business-people-sitting-at-rooftop-garden-at-top-of-office-building-during-coffee-break2-600x338.png

cheerful-multi-ethnic-business-people-sitting-at-rooftop-garden-at-top-of-office-building-during-coffee-break2-600x338.png

993 ms

house-front.jpg

house-front.jpg

1009 ms

great-room-preview.jpg

great-room-preview.jpg

1058 ms

colleagues-in-group-workshop-session-in-cafe-600x335.jpg

colleagues-in-group-workshop-session-in-cafe-600x335.jpg

1060 ms

rsanovember2023lauraaziz-40.jpg

rsanovember2023lauraaziz-40.jpg

2016 ms

location

location

36 ms

Accessibility Review

thersa.org accessibility score

98

Accessibility Issues

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

Links do not have a discernible name

Best Practices

thersa.org 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

SEO Factors

thersa.org SEO score

92

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

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

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 Thersa.org 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 Thersa.org 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

thersa.org

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