Tools & Wizards About Us
jacksewingmachines.co.uk screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

jacksewingmachines.co.uk

Welcome! | Jack Industrial Sewing Machines UK

Page Load Speed

4.2 sec in total

First Response

520 ms

Resources Loaded

2.4 sec

Page Rendered

1.2 sec

jacksewingmachines.co.uk screenshot

About Website

Visit jacksewingmachines.co.uk now to see the best up-to-date Jack Sewing Machines content and also check out these interesting facts you probably never knew about jacksewingmachines.co.uk

Welcome to Jack Sewing Machines UK! The UK's official importer and distributor of Jack Industrial Sewing Machinery

Visit jacksewingmachines.co.uk

Key Findings

We analyzed Jacksewingmachines.co.uk page load time and found that the first response time was 520 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

jacksewingmachines.co.uk performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

22/100

25%

SI (Speed Index)

Value3.5 s

89/100

10%

TBT (Total Blocking Time)

Value500 ms

58/100

30%

CLS (Cumulative Layout Shift)

Value0.279

43/100

15%

TTI (Time to Interactive)

Value6.5 s

58/100

10%

Network Requests Diagram

www.jacksewingmachines.co.uk

520 ms

styles.css

177 ms

custom.css

240 ms

apptrian_subcategories.css

257 ms

apple-pay.css

277 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 98% of them (50 requests) were addressed to the original Jacksewingmachines.co.uk, 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Jacksewingmachines.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 538.9 kB (5%)

Content Size

11.8 MB

After Optimization

11.3 MB

  • HTML
  • Images
  • CSS

In fact, the total size of Jacksewingmachines.co.uk main page is 11.8 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. 50% of websites need less resources to load. Images take 11.4 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 323.9 kB

  • Original 413.0 kB
  • After minification 393.3 kB
  • After compression 89.2 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. 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 323.9 kB or 78% of the original size.

Image Optimization

-2%

Potential reduce by 186.2 kB

  • Original 11.4 MB
  • After minification 11.2 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. Jack Sewing Machines images are well optimized though.

CSS Optimization

-95%

Potential reduce by 28.9 kB

  • Original 30.3 kB
  • After minification 2.2 kB
  • After compression 1.4 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. Jacksewingmachines.co.uk needs all CSS files to be minified and compressed as it can save up to 28.9 kB or 95% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (8%)

Requests Now

50

After Optimization

46

  • Images
  • JavaScript
  • CSS

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jack Sewing Machines. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.jacksewingmachines.co.uk

www.jacksewingmachines.co.uk

520 ms

styles.css

styles.css

177 ms

custom.css

custom.css

240 ms

apptrian_subcategories.css

apptrian_subcategories.css

257 ms

apple-pay.css

apple-pay.css

277 ms

google-pay.css

google-pay.css

278 ms

tracking.js

tracking.js

277 ms

alpine3.min.js

alpine3.min.js

292 ms

jacklogo.png

jacklogo.png

82 ms

JackA5E.jpg

JackA5E.jpg

725 ms

JackA5E.jpg

JackA5E.jpg

362 ms

JackC4.jpg

JackC4.jpg

638 ms

jackc4.jpg

jackc4.jpg

316 ms

JackE4S.jpg

JackE4S.jpg

567 ms

JackE4S.jpg

JackE4S.jpg

353 ms

JackF5.jpg

JackF5.jpg

752 ms

JackF5.jpg

JackF5.jpg

534 ms

JackH2.jpg

JackH2.jpg

650 ms

JackH2.jpg

JackH2.jpg

625 ms

JackH6.jpg

JackH6.jpg

752 ms

JackH6.jpg

JackH6.jpg

722 ms

JackJK20U.jpg

JackJK20U.jpg

816 ms

Jack20U.jpg

Jack20U.jpg

755 ms

JackJK1900G.jpg

JackJK1900G.jpg

997 ms

JackT1900G.jpg

JackT1900G.jpg

820 ms

JackJK58700.jpg

JackJK58700.jpg

1015 ms

JackJK58700.jpg

JackJK58700.jpg

838 ms

JackJKT1790.jpg

JackJKT1790.jpg

871 ms

JackJKT1790.jpg

JackJKT1790.jpg

933 ms

JackK5.jpg

JackK5.jpg

1005 ms

JackK5.jpg

JackK5.jpg

945 ms

JackS7.jpg

JackS7.jpg

983 ms

JackS7.jpg

JackS7.jpg

1027 ms

JackW4.jpg

JackW4.jpg

1049 ms

JackW4.jpg

JackW4.jpg

1076 ms

Lockstitch.jpg

Lockstitch.jpg

1091 ms

heavy-duty.jpg

heavy-duty.jpg

1096 ms

overlock.jpg

overlock.jpg

1097 ms

zigzag.jpg

zigzag.jpg

1117 ms

interlock.jpg

interlock.jpg

1135 ms

special.jpg

special.jpg

1168 ms

JackButtonSew.png

JackButtonSew.png

1187 ms

JackButtonHole.png

JackButtonHole.png

1194 ms

postbed_1_.png

postbed_1_.png

1111 ms

JackFeed.png

JackFeed.png

1132 ms

PocketWelt.jpg

PocketWelt.jpg

913 ms

pattern-field.png

pattern-field.png

912 ms

motors.png

motors.png

923 ms

parts.jpg

parts.jpg

747 ms

contact-us.jpg

contact-us.jpg

727 ms

gtm.js

gtm.js

66 ms

Accessibility Review

jacksewingmachines.co.uk accessibility score

94

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-hidden="true"] elements contain focusable descendents

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

[id] attributes on active, focusable elements are not unique

Best Practices

jacksewingmachines.co.uk best practices score

67

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

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

jacksewingmachines.co.uk SEO score

92

Search Engine Optimization Advices

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 Jacksewingmachines.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 Jacksewingmachines.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

jacksewingmachines.co.uk

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