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vibram.co.uk screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

vibram.co.uk

Vibram Academy - innovative footwear, FiveFingers, Furoshiki and Sole Factor customisation

Page Load Speed

3.1 sec in total

First Response

250 ms

Resources Loaded

2.4 sec

Page Rendered

472 ms

vibram.co.uk screenshot

About Website

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

Home of the Vibram Academy - Vibram FiveFingers, Furoshiki and socks and Sole Factor shoe customisation

Visit vibram.co.uk

Key Findings

We analyzed Vibram.co.uk page load time and found that the first response time was 250 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

vibram.co.uk performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value23.3 s

0/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value600 ms

49/100

30%

CLS (Cumulative Layout Shift)

Value0.366

29/100

15%

TTI (Time to Interactive)

Value10.3 s

25/100

10%

Network Requests Diagram

vibram.co.uk

250 ms

www.vibram.co.uk

345 ms

www.vibram.co.uk

500 ms

api.js

55 ms

js

71 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 70% of them (37 requests) were addressed to the original Vibram.co.uk, 9% (5 requests) were made to Use.typekit.net and 4% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (760 ms) belongs to the original domain Vibram.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 90.6 kB (2%)

Content Size

4.7 MB

After Optimization

4.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vibram.co.uk main page is 4.7 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. 60% of websites need less resources to load. Images take 4.3 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 22.9 kB

  • Original 29.6 kB
  • After minification 25.7 kB
  • After compression 6.7 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 3.9 kB, which is 13% 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 22.9 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 7.2 kB

  • Original 4.3 MB
  • After minification 4.3 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. Vibram images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 37.6 kB

  • Original 321.6 kB
  • After minification 320.6 kB
  • After compression 284.1 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 37.6 kB or 12% of the original size.

CSS Optimization

-39%

Potential reduce by 23.0 kB

  • Original 59.5 kB
  • After minification 59.5 kB
  • After compression 36.5 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. Vibram.co.uk needs all CSS files to be minified and compressed as it can save up to 23.0 kB or 39% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (64%)

Requests Now

45

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vibram. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

vibram.co.uk

vibram.co.uk

250 ms

www.vibram.co.uk

www.vibram.co.uk

345 ms

www.vibram.co.uk

www.vibram.co.uk

500 ms

api.js

api.js

55 ms

js

js

71 ms

analytics.js

analytics.js

38 ms

ndp7ddn.css

ndp7ddn.css

142 ms

df73e41a20.js

df73e41a20.js

142 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

210 ms

jquery.adnsfalias.js

jquery.adnsfalias.js

296 ms

bootstrap.css

bootstrap.css

496 ms

themestyles.css

themestyles.css

392 ms

base.css

base.css

394 ms

bootstrap4.css

bootstrap4.css

397 ms

social-icons.css

social-icons.css

398 ms

payment-icons.css

payment-icons.css

399 ms

custom.css

custom.css

490 ms

minicart.js

minicart.js

492 ms

bootstrap.js

bootstrap.js

548 ms

addtocart.js

addtocart.js

492 ms

jquery.validate.js

jquery.validate.js

547 ms

validationoptions.js

validationoptions.js

578 ms

jquery.validate.unobtrusive.js

jquery.validate.unobtrusive.js

583 ms

jquery.validate.bootstrap.js

jquery.validate.bootstrap.js

584 ms

validate.postalcoderegexlookup.js

validate.postalcoderegexlookup.js

584 ms

validate.creditcardformat.js

validate.creditcardformat.js

603 ms

validate.creditcardfutureexpirationdate.js

validate.creditcardfutureexpirationdate.js

607 ms

validate.requirechecked.js

validate.requirechecked.js

664 ms

whatsthis.js

whatsthis.js

667 ms

modalLogic.js

modalLogic.js

667 ms

widgets.js

widgets.js

138 ms

collect

collect

13 ms

recaptcha__en.js

recaptcha__en.js

38 ms

js

js

78 ms

p.css

p.css

34 ms

vibram-logo.png

vibram-logo.png

397 ms

vibram-banner-1.jpg

vibram-banner-1.jpg

645 ms

five-fingers-home.png

five-fingers-home.png

685 ms

repair-home.png

repair-home.png

741 ms

london-home.png

london-home.png

743 ms

ORT401167.JPG

ORT401167.JPG

245 ms

ANG7204001.JPG

ANG7204001.JPG

251 ms

BIR800.jpg

BIR800.jpg

339 ms

experts-home.png

experts-home.png

669 ms

stock-home.png

stock-home.png

760 ms

d

d

62 ms

d

d

27 ms

d

d

71 ms

d

d

19 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

481 ms

postalcoderegexmap

postalcoderegexmap

542 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

56 ms

settings

settings

96 ms

Accessibility Review

vibram.co.uk accessibility score

74

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

High

Links do not have a discernible 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

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

vibram.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

vibram.co.uk SEO score

91

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

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 Vibram.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 Vibram.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

vibram.co.uk

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