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boffinmedia.co.uk screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

boffinmedia.co.uk

Boffin Media | Science journalism, production and training

Page Load Speed

3.4 sec in total

First Response

587 ms

Resources Loaded

2.6 sec

Page Rendered

229 ms

boffinmedia.co.uk screenshot

About Website

Welcome to boffinmedia.co.uk homepage info - get ready to check Boffin Media best content right away, or after learning these important things about boffinmedia.co.uk

At Boffin Media, expert is never a dirty word. We combine specialist journalism with creativity by taking complex scientific or technical content and transforming it into an irresistible podcast, radi...

Visit boffinmedia.co.uk

Key Findings

We analyzed Boffinmedia.co.uk page load time and found that the first response time was 587 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

boffinmedia.co.uk performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value7.5 s

4/100

25%

SI (Speed Index)

Value11.8 s

4/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.564

12/100

15%

TTI (Time to Interactive)

Value13.9 s

10/100

10%

Network Requests Diagram

www.boffinmedia.co.uk

587 ms

widgetkit-a0da8ce4.css

274 ms

jquery.min.js

437 ms

jquery-noconflict.js

270 ms

jquery-migrate.min.js

271 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 94% of them (29 requests) were addressed to the original Boffinmedia.co.uk, 3% (1 request) were made to Fonts.googleapis.com and 3% (1 request) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (705 ms) belongs to the original domain Boffinmedia.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 261.5 kB (7%)

Content Size

3.9 MB

After Optimization

3.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Boffinmedia.co.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. 20% of websites need less resources to load. Images take 3.6 MB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 10.7 kB

  • Original 14.6 kB
  • After minification 14.3 kB
  • After compression 3.9 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 10.7 kB or 73% of the original size.

Image Optimization

-0%

Potential reduce by 2.5 kB

  • Original 3.6 MB
  • After minification 3.6 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. Boffin Media images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 187.5 kB

  • Original 269.0 kB
  • After minification 268.6 kB
  • After compression 81.5 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 187.5 kB or 70% of the original size.

CSS Optimization

-85%

Potential reduce by 60.8 kB

  • Original 71.7 kB
  • After minification 67.5 kB
  • After compression 10.8 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. Boffinmedia.co.uk needs all CSS files to be minified and compressed as it can save up to 60.8 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (33%)

Requests Now

30

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Boffin Media. 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 from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.boffinmedia.co.uk

www.boffinmedia.co.uk

587 ms

widgetkit-a0da8ce4.css

widgetkit-a0da8ce4.css

274 ms

jquery.min.js

jquery.min.js

437 ms

jquery-noconflict.js

jquery-noconflict.js

270 ms

jquery-migrate.min.js

jquery-migrate.min.js

271 ms

caption.js

caption.js

269 ms

widgetkit-4619859c.js

widgetkit-4619859c.js

357 ms

editor.css

editor.css

454 ms

css

css

25 ms

HTML5.js

HTML5.js

365 ms

bxslider.min.js

bxslider.min.js

366 ms

bxslider.css

bxslider.css

367 ms

scrollReveal.js

scrollReveal.js

453 ms

lightbox.js

lightbox.js

99 ms

mediaelement-and-player.js

mediaelement-and-player.js

265 ms

spotlight.js

spotlight.js

93 ms

boffin-media-logo.png

boffin-media-logo.png

98 ms

guaze.png

guaze.png

96 ms

testtube.png

testtube.png

96 ms

blast-off.jpg

blast-off.jpg

310 ms

about.jpg

about.jpg

453 ms

underwater.jpg

underwater.jpg

520 ms

robot.jpg

robot.jpg

635 ms

media-training.jpg

media-training.jpg

705 ms

home-film.JPG

home-film.JPG

529 ms

home-radio2.jpg

home-radio2.jpg

492 ms

home-podcasts.jpg

home-podcasts.jpg

550 ms

home-training.jpg

home-training.jpg

586 ms

font

font

24 ms

bx_loader.gif

bx_loader.gif

565 ms

controls.png

controls.png

571 ms

Accessibility Review

boffinmedia.co.uk accessibility score

59

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

boffinmedia.co.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

boffinmedia.co.uk SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Boffinmedia.co.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 Boffinmedia.co.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

boffinmedia.co.uk

Open Graph description is not detected on the main page of Boffin Media. 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: