Tools & Wizards About Us
nuffieldbioethics.org screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

nuffieldbioethics.org

Homepage - The Nuffield Council on Bioethics

Page Load Speed

7.4 sec in total

First Response

2.9 sec

Resources Loaded

4.2 sec

Page Rendered

288 ms

nuffieldbioethics.org screenshot

About Website

Click here to check amazing Nuffield Bioethics content for United States. Otherwise, check out these important facts you probably never knew about nuffieldbioethics.org

The Nuffield Council on Bioethics has achieved an international reputation as an independent body advising policy makers and stimulating debate in bioethics

Visit nuffieldbioethics.org

Key Findings

We analyzed Nuffieldbioethics.org page load time and found that the first response time was 2.9 sec and then it took 4.5 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

nuffieldbioethics.org performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value4,820 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.032

100/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

nuffieldbioethics.org

2944 ms

wp-emoji-release.min.js

154 ms

299 ms

buttons.js

24 ms

modernizr.js

165 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 69% of them (37 requests) were addressed to the original Nuffieldbioethics.org, 4% (2 requests) were made to Google-analytics.com and 4% (2 requests) were made to Wd-edge.sharethis.com. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Nuffieldbioethics.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 320.9 kB (13%)

Content Size

2.4 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Nuffieldbioethics.org main page is 2.4 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. 55% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 65.3 kB

  • Original 78.7 kB
  • After minification 76.9 kB
  • After compression 13.3 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 65.3 kB or 83% of the original size.

Image Optimization

-4%

Potential reduce by 77.5 kB

  • Original 2.1 MB
  • After minification 2.0 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. Nuffield Bioethics images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 178.1 kB

  • Original 244.7 kB
  • After minification 244.4 kB
  • After compression 66.6 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 178.1 kB or 73% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (31%)

Requests Now

48

After Optimization

33

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nuffield Bioethics. 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

nuffieldbioethics.org

nuffieldbioethics.org

2944 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

154 ms

299 ms

buttons.js

buttons.js

24 ms

modernizr.js

modernizr.js

165 ms

357 ms

233 ms

analytics.js

analytics.js

375 ms

sprites.png

sprites.png

346 ms

DNA-abstract-thumbnail-for-web.jpg

DNA-abstract-thumbnail-for-web.jpg

343 ms

cosmetic-surgery.jpg

cosmetic-surgery.jpg

345 ms

image003.jpg

image003.jpg

962 ms

usb_tablet.jpg

usb_tablet.jpg

494 ms

shutterstock_51458623.jpg

shutterstock_51458623.jpg

343 ms

shutterstock_vintage-microscope-248x178.jpg

shutterstock_vintage-microscope-248x178.jpg

343 ms

Mosquito-from-shutterstock-wide-596x330.jpg

Mosquito-from-shutterstock-wide-596x330.jpg

344 ms

Westminster-sign_halfsize.jpg

Westminster-sign_halfsize.jpg

644 ms

cosmetic-procedures-wide.jpg

cosmetic-procedures-wide.jpg

526 ms

Whats_next_resized-1-596x311.jpg

Whats_next_resized-1-596x311.jpg

344 ms

Pile-of-journals-494x163.jpg

Pile-of-journals-494x163.jpg

345 ms

microscope-re-sized-494x163.jpg

microscope-re-sized-494x163.jpg

382 ms

mitochondrial-dna-report-cover.jpg

mitochondrial-dna-report-cover.jpg

732 ms

Nuffiled-Biological-Health-Cover-1-57x81.jpg

Nuffiled-Biological-Health-Cover-1-57x81.jpg

458 ms

Nuffield-Human-Bodies-cover-57x80.jpg

Nuffield-Human-Bodies-cover-57x80.jpg

532 ms

neurotech-report-cover.jpg

neurotech-report-cover.jpg

573 ms

GMCI-front-cover_scanned-version-020805-57x82.jpg

GMCI-front-cover_scanned-version-020805-57x82.jpg

599 ms

Report_cover-57x80.jpg

Report_cover-57x80.jpg

608 ms

Children-and-research-cover-57x80.jpg

Children-and-research-cover-57x80.jpg

656 ms

Report-cover-57x80.jpg

Report-cover-57x80.jpg

674 ms

image003-248x178.jpg

image003-248x178.jpg

684 ms

usb_tablet-248x178.jpg

usb_tablet-248x178.jpg

722 ms

pete_web_square2015-85x79.jpg

pete_web_square2015-85x79.jpg

752 ms

Facebook-cover-1-280x120.jpg

Facebook-cover-1-280x120.jpg

753 ms

Bloomsbury-Festival2-280x120.jpg

Bloomsbury-Festival2-280x120.jpg

759 ms

Whats_next_resized-280x120.jpg

Whats_next_resized-280x120.jpg

800 ms

bg-transparent-55.png

bg-transparent-55.png

809 ms

getAllAppDefault.esi

getAllAppDefault.esi

61 ms

oxygen-webfont.woff

oxygen-webfont.woff

527 ms

oxygen-bold-webfont.woff

oxygen-bold-webfont.woff

513 ms

oxygen-italic-webfont.woff

oxygen-italic-webfont.woff

527 ms

collect

collect

26 ms

getSegment.php

getSegment.php

12 ms

checkOAuth.esi

checkOAuth.esi

5 ms

t.dhj

t.dhj

36 ms

t.dhj

t.dhj

24 ms

cm

cm

32 ms

s-3271.xgi

s-3271.xgi

5 ms

10 ms

hbpix

hbpix

33 ms

7 ms

xrefid.xgi

xrefid.xgi

9 ms

pixel

pixel

20 ms

pixel

pixel

13 ms

2981

2981

18 ms

Accessibility Review

nuffieldbioethics.org accessibility score

88

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

Buttons do not have an accessible 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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

nuffieldbioethics.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

nuffieldbioethics.org SEO score

76

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

High

Page is blocked from indexing

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 Nuffieldbioethics.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 Nuffieldbioethics.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

nuffieldbioethics.org

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