Tools & Wizards About Us
theros.org.uk screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 78

    SEO

    Google-friendlier than
    39% of websites

theros.org.uk

Royal Osteoporosis Society - Better Bone Health for Everybody

Page Load Speed

3.3 sec in total

First Response

705 ms

Resources Loaded

2.2 sec

Page Rendered

376 ms

theros.org.uk screenshot

About Website

Visit theros.org.uk now to see the best up-to-date Theros content and also check out these interesting facts you probably never knew about theros.org.uk

We are the UK’s only national charity dedicated to bone health and osteoporosis. We work to improve the bone health of the nation and support everyone with osteoporosis to live well through our suppor...

Visit theros.org.uk

Key Findings

We analyzed Theros.org.uk page load time and found that the first response time was 705 ms and then it took 2.6 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

theros.org.uk performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value13.5 s

0/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value880 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0.042

99/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

Network Requests Diagram

theros.org.uk

705 ms

all.css

138 ms

worldpay.js

49 ms

sagepay.js

548 ms

jquery.min.js

45 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 58% of them (35 requests) were addressed to the original Theros.org.uk, 8% (5 requests) were made to Strwebprdmedia.blob.core.windows.net and 3% (2 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (705 ms) belongs to the original domain Theros.org.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 536.9 kB (41%)

Content Size

1.3 MB

After Optimization

780.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Theros.org.uk main page is 1.3 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. 65% of websites need less resources to load. Javascripts take 796.2 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 67.8 kB

  • Original 77.6 kB
  • After minification 49.0 kB
  • After compression 9.8 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. This page needs HTML code to be minified as it can gain 28.6 kB, which is 37% 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 67.8 kB or 87% of the original size.

Image Optimization

-1%

Potential reduce by 3.8 kB

  • Original 271.4 kB
  • After minification 267.6 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. Theros images are well optimized though.

JavaScript Optimization

-51%

Potential reduce by 406.0 kB

  • Original 796.2 kB
  • After minification 796.2 kB
  • After compression 390.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 406.0 kB or 51% of the original size.

CSS Optimization

-35%

Potential reduce by 59.4 kB

  • Original 172.0 kB
  • After minification 172.0 kB
  • After compression 112.7 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. Theros.org.uk needs all CSS files to be minified and compressed as it can save up to 59.4 kB or 35% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (60%)

Requests Now

47

After Optimization

19

  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Theros. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

theros.org.uk

theros.org.uk

705 ms

all.css

all.css

138 ms

worldpay.js

worldpay.js

49 ms

sagepay.js

sagepay.js

548 ms

jquery.min.js

jquery.min.js

45 ms

popper.min.js

popper.min.js

50 ms

bootstrap.min.js

bootstrap.min.js

51 ms

jquery.unobtrusive-ajax.min.js

jquery.unobtrusive-ajax.min.js

56 ms

app.min.css

app.min.css

231 ms

vendor.min.js

vendor.min.js

458 ms

app.min.js

app.min.js

316 ms

sitesearchformhelper.min.js

sitesearchformhelper.min.js

308 ms

api.js

api.js

59 ms

count.js

count.js

38 ms

gtm.js

gtm.js

183 ms

fbevents.js

fbevents.js

108 ms

hotjar-1731462.js

hotjar-1731462.js

182 ms

bat.js

bat.js

171 ms

ros_logo_rgb_colour_aw_223.svg

ros_logo_rgb_colour_aw_223.svg

521 ms

search.svg

search.svg

162 ms

login.svg

login.svg

158 ms

icon-search.svg

icon-search.svg

160 ms

icon-account.svg

icon-account.svg

160 ms

icon-menu.svg

icon-menu.svg

276 ms

mask-1.png

mask-1.png

277 ms

icon-right.svg

icon-right.svg

276 ms

mask-2.png

mask-2.png

278 ms

mask-3.png

mask-3.png

404 ms

icon-small-right.svg

icon-small-right.svg

405 ms

mask-4.png

mask-4.png

400 ms

mask-5.png

mask-5.png

399 ms

icon-facebook.svg

icon-facebook.svg

406 ms

icon-twitter.svg

icon-twitter.svg

400 ms

icon-instagram.svg

icon-instagram.svg

430 ms

icon-youtube.svg

icon-youtube.svg

431 ms

icon-linkedin.svg

icon-linkedin.svg

445 ms

happy-asian-woman-and-her-mother-with-smartphone-at-home-jpg_s-1024x1024-w-is-k-20-c-9y7xjwlo3gtquox_1_omxwpwegfzitjpshsrtu8v0zc.jpg

happy-asian-woman-and-her-mother-with-smartphone-at-home-jpg_s-1024x1024-w-is-k-20-c-9y7xjwlo3gtquox_1_omxwpwegfzitjpshsrtu8v0zc.jpg

655 ms

header-curve.svg

header-curve.svg

404 ms

helpline-nurse-taking-a-call.png

helpline-nurse-taking-a-call.png

514 ms

footer-curve.svg

footer-curve.svg

401 ms

recaptcha__en.js

recaptcha__en.js

141 ms

BariolSerif-Bold.woff

BariolSerif-Bold.woff

458 ms

BariolSerif.woff

BariolSerif.woff

491 ms

BariolSerif-Light.woff

BariolSerif-Light.woff

504 ms

BariolSerif-Thin.woff

BariolSerif-Thin.woff

476 ms

bariol_regular-webfont.woff

bariol_regular-webfont.woff

523 ms

bariol_bold-webfont.woff

bariol_bold-webfont.woff

546 ms

Bariol-Bold.woff

Bariol-Bold.woff

530 ms

Bariol-Regular.woff

Bariol-Regular.woff

554 ms

Bariol-Light.woff

Bariol-Light.woff

617 ms

Bariol-Thin.woff

Bariol-Thin.woff

610 ms

bariol_serif_bold-webfont.woff

bariol_serif_bold-webfont.woff

676 ms

bariol_serif_regular-webfont.woff

bariol_serif_regular-webfont.woff

701 ms

modules.fd7a1c20a85f7a95e5ff.js

modules.fd7a1c20a85f7a95e5ff.js

83 ms

uc.js

uc.js

102 ms

landing

landing

103 ms

js

js

98 ms

analytics.js

analytics.js

76 ms

collect

collect

3 ms

print.min.css

print.min.css

81 ms

Accessibility Review

theros.org.uk accessibility score

75

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

theros.org.uk best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

theros.org.uk SEO score

78

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 Theros.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 Theros.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

theros.org.uk

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