Tools & Wizards About Us
mutablelabs.com screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

mutablelabs.com

James Barnsley - Web Software Developer from Derbyshire, UK

Page Load Speed

2.7 sec in total

First Response

92 ms

Resources Loaded

1.7 sec

Page Rendered

850 ms

mutablelabs.com screenshot

About Website

Click here to check amazing Mutablelabs content. Otherwise, check out these important facts you probably never knew about mutablelabs.com

Web Software Developer from Derbyshire, UK. I write code to create and deliver web based software projects.

Visit mutablelabs.com

Key Findings

We analyzed Mutablelabs.com page load time and found that the first response time was 92 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

mutablelabs.com performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value2.3 s

98/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.6 s

100/100

10%

Network Requests Diagram

92 ms

output.css

87 ms

james-barnsley-logo-white.png

421 ms

cs1-1-optimize-handsam.jpg

402 ms

google-chrome-pixel-laptop-apple-mac.jpg

483 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that all of those requests were addressed to Mutablelabs.com and no external sources were called. The less responsive or slowest element that took the longest time to load (796 ms) relates to the external source Jamesbarnsley.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 260.9 kB (16%)

Content Size

1.6 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • CSS

In fact, the total size of Mutablelabs.com main page is 1.6 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 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 14.8 kB

  • Original 19.0 kB
  • After minification 15.2 kB
  • After compression 4.2 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 3.8 kB, which is 20% 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 14.8 kB or 78% of the original size.

Image Optimization

-15%

Potential reduce by 244.1 kB

  • Original 1.6 MB
  • After minification 1.4 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. Obviously, Mutablelabs needs image optimization as it can save up to 244.1 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-23%

Potential reduce by 2.0 kB

  • Original 8.5 kB
  • After minification 8.5 kB
  • After compression 6.5 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. Mutablelabs.com needs all CSS files to be minified and compressed as it can save up to 2.0 kB or 23% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

26

After Optimization

26

  • Images
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mutablelabs. According to our analytics all requests are already optimized.

Network Requests Diagram

92 ms

output.css

output.css

87 ms

james-barnsley-logo-white.png

james-barnsley-logo-white.png

421 ms

cs1-1-optimize-handsam.jpg

cs1-1-optimize-handsam.jpg

402 ms

google-chrome-pixel-laptop-apple-mac.jpg

google-chrome-pixel-laptop-apple-mac.jpg

483 ms

KWP-montage-full.png

KWP-montage-full.png

579 ms

TFL-montage-full.png

TFL-montage-full.png

525 ms

transport-for-london.png

transport-for-london.png

171 ms

kiwi-logo.png

kiwi-logo.png

261 ms

pfizer-logo.png

pfizer-logo.png

352 ms

handsam.png

handsam.png

437 ms

bwin.png

bwin.png

486 ms

gateway-3d.png

gateway-3d.png

614 ms

phc-web-development.png

phc-web-development.png

531 ms

interis-logo.png

interis-logo.png

567 ms

granite-transformations.png

granite-transformations.png

573 ms

the-waiting-game.png

the-waiting-game.png

633 ms

netontargetlogo.jpg

netontargetlogo.jpg

632 ms

stubid-logo.png

stubid-logo.png

658 ms

alberon.png

alberon.png

661 ms

oxford-web-resource.png

oxford-web-resource.png

671 ms

peuternet.png

peuternet.png

700 ms

sticky-eyes.png

sticky-eyes.png

796 ms

s-group.png

s-group.png

731 ms

ndaba.png

ndaba.png

746 ms

so-logo-padded.png

so-logo-padded.png

750 ms

ncb-logo.png

ncb-logo.png

755 ms

Accessibility Review

mutablelabs.com accessibility score

80

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

Image elements do not have [alt] attributes

Best Practices

mutablelabs.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

SEO Factors

mutablelabs.com 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

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 Mutablelabs.com 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 Mutablelabs.com 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

mutablelabs.com

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