Tools & Wizards About Us
johnsonandstarley.co.uk screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    60% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 86

    SEO

    Google-friendlier than
    61% of websites

johnsonandstarley.co.uk

Johnson & Starley | Warm Air Heating | Central Heating | Warm Air | Ventillation

Page Load Speed

2.1 sec in total

First Response

342 ms

Resources Loaded

1.2 sec

Page Rendered

579 ms

johnsonandstarley.co.uk screenshot

About Website

Visit johnsonandstarley.co.uk now to see the best up-to-date Johnson And Starley content and also check out these interesting facts you probably never knew about johnsonandstarley.co.uk

Johnson & Starley provide warm air heating, gas boilers and ventilation systems. Reliable, energy-saving products that are perfect for your home. Call us today 01604 762881.

Visit johnsonandstarley.co.uk

Key Findings

We analyzed Johnsonandstarley.co.uk page load time and found that the first response time was 342 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

johnsonandstarley.co.uk performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

93/100

10%

LCP (Largest Contentful Paint)

Value9.8 s

0/100

25%

SI (Speed Index)

Value3.8 s

83/100

10%

TBT (Total Blocking Time)

Value630 ms

47/100

30%

CLS (Cumulative Layout Shift)

Value0.503

16/100

15%

TTI (Time to Interactive)

Value7.3 s

50/100

10%

Network Requests Diagram

johnsonandstarley.co.uk

342 ms

api.js

112 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

100 ms

css_Btk_lRfh3aK7S0ilGo_tDwWhJGmCamNHMfxotQINrhE.css

271 ms

css_yzwRERQV4Wk7VmLZJVDQzDGtXX9x5prFXnKvtcDRDoY.css

265 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 69% of them (25 requests) were addressed to the original Johnsonandstarley.co.uk, 8% (3 requests) were made to Gstatic.com and 6% (2 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (786 ms) belongs to the original domain Johnsonandstarley.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 54.3 kB (6%)

Content Size

874.2 kB

After Optimization

820.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Johnsonandstarley.co.uk main page is 874.2 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Images take 711.8 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 19.5 kB

  • Original 27.2 kB
  • After minification 26.5 kB
  • After compression 7.7 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. 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 19.5 kB or 72% of the original size.

Image Optimization

-2%

Potential reduce by 15.9 kB

  • Original 711.8 kB
  • After minification 695.9 kB

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. Johnson And Starley images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 18.7 kB

  • Original 117.3 kB
  • After minification 117.3 kB
  • After compression 98.6 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 18.7 kB or 16% of the original size.

CSS Optimization

-1%

Potential reduce by 148 B

  • Original 17.9 kB
  • After minification 17.9 kB
  • After compression 17.7 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. Johnsonandstarley.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 14 (45%)

Requests Now

31

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Johnson And Starley. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

johnsonandstarley.co.uk

johnsonandstarley.co.uk

342 ms

api.js

api.js

112 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

100 ms

css_Btk_lRfh3aK7S0ilGo_tDwWhJGmCamNHMfxotQINrhE.css

css_Btk_lRfh3aK7S0ilGo_tDwWhJGmCamNHMfxotQINrhE.css

271 ms

css_yzwRERQV4Wk7VmLZJVDQzDGtXX9x5prFXnKvtcDRDoY.css

css_yzwRERQV4Wk7VmLZJVDQzDGtXX9x5prFXnKvtcDRDoY.css

265 ms

css_FJSNXysBza3s0IrvhpBx-Hldl0hTKCR-mMTYPA5gdwI.css

css_FJSNXysBza3s0IrvhpBx-Hldl0hTKCR-mMTYPA5gdwI.css

255 ms

Johnson%20and%20starley%20home%20page%201new.jpg

Johnson%20and%20starley%20home%20page%201new.jpg

786 ms

Johnson-and-starley-boilers-icon.png

Johnson-and-starley-boilers-icon.png

287 ms

Johnson-and-starley-warm-air-heating-icon.png

Johnson-and-starley-warm-air-heating-icon.png

285 ms

Johnson-and-starley-warm-air-heat-interface-icon.png

Johnson-and-starley-warm-air-heat-interface-icon.png

332 ms

johnson-and-starley-ventilation-icon.png

johnson-and-starley-ventilation-icon.png

353 ms

Johnson%20and%20starley%20home%20page%202.jpg

Johnson%20and%20starley%20home%20page%202.jpg

592 ms

js_s7yA-hwRxnKty__ED6DuqmTMKG39xvpRyrtyCrbWH4M.js

js_s7yA-hwRxnKty__ED6DuqmTMKG39xvpRyrtyCrbWH4M.js

353 ms

js_fcHGpChvqf_A0ZUjY97JVzEyxkE8XPyEf1KJQuUJh_0.js

js_fcHGpChvqf_A0ZUjY97JVzEyxkE8XPyEf1KJQuUJh_0.js

305 ms

js_xY_EX8LcPmUan8Pg-aUhqfzTAuJB8eXhzLi07bYLAZw.js

js_xY_EX8LcPmUan8Pg-aUhqfzTAuJB8eXhzLi07bYLAZw.js

376 ms

js_s_d4YOWbVqyv8JD3O_K1lveppAl5iIi-cB-S9dZvPsI.js

js_s_d4YOWbVqyv8JD3O_K1lveppAl5iIi-cB-S9dZvPsI.js

388 ms

js_7Ukqb3ierdBEL0eowfOKzTkNu-Le97OPm-UqTS5NENU.js

js_7Ukqb3ierdBEL0eowfOKzTkNu-Le97OPm-UqTS5NENU.js

440 ms

js_BmrJETtaOJF652MH_7nSv0Fxt3eSrhSX5S-9NqwjDQY.js

js_BmrJETtaOJF652MH_7nSv0Fxt3eSrhSX5S-9NqwjDQY.js

443 ms

recaptcha__en.js

recaptcha__en.js

64 ms

johnson-and-starley-twitter.jpg

johnson-and-starley-twitter.jpg

310 ms

johnson-and-starley-li.jpg

johnson-and-starley-li.jpg

311 ms

johnson-and-starley-logo.png

johnson-and-starley-logo.png

353 ms

burger-min.png

burger-min.png

314 ms

cross-min.png

cross-min.png

314 ms

31F7DF_0_0.woff

31F7DF_0_0.woff

263 ms

31F7DF_3_0.woff

31F7DF_3_0.woff

299 ms

analytics.js

analytics.js

48 ms

collect

collect

165 ms

fallback

fallback

68 ms

collect

collect

135 ms

fallback__ltr.css

fallback__ltr.css

4 ms

css

css

50 ms

logo_48.png

logo_48.png

4 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

46 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

46 ms

css_EuQ47luZLSw9pFdYrUqPjcfaWmtyxIrJldjOJd6J1is.css

css_EuQ47luZLSw9pFdYrUqPjcfaWmtyxIrJldjOJd6J1is.css

96 ms

Accessibility Review

johnsonandstarley.co.uk accessibility score

91

Accessibility Issues

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

johnsonandstarley.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

SEO Factors

johnsonandstarley.co.uk SEO score

86

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

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 Johnsonandstarley.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 Johnsonandstarley.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

johnsonandstarley.co.uk

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