Tools & Wizards About Us
alphaboilerparts.co.uk screenshot

Report Summary

  • 64

    Performance

    Renders faster than
    77% of other websites

  • 50

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

alphaboilerparts.co.uk

Alpha Boiler & Heating Spare Parts. | Alpha Boilers

Page Load Speed

1.5 sec in total

First Response

369 ms

Resources Loaded

901 ms

Page Rendered

217 ms

alphaboilerparts.co.uk screenshot

About Website

Visit alphaboilerparts.co.uk now to see the best up-to-date Alpha Boiler Parts content and also check out these interesting facts you probably never knew about alphaboilerparts.co.uk

Alpha Boiler Parts, buy genuine Alpha heating & boiler spare parts, we specialise in models Alpha 240, 280, CD24, CD28, CB24, CB28, HE, ECO, Alpha Ocean

Visit alphaboilerparts.co.uk

Key Findings

We analyzed Alphaboilerparts.co.uk page load time and found that the first response time was 369 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

alphaboilerparts.co.uk performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

21/100

25%

SI (Speed Index)

Value11.2 s

5/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.8 s

89/100

10%

Network Requests Diagram

alphaboilerparts.co.uk

369 ms

style.css

156 ms

responsive.css

208 ms

css

26 ms

jquery.min.js

11 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 81% of them (25 requests) were addressed to the original Alphaboilerparts.co.uk, 6% (2 requests) were made to Google-analytics.com and 6% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (369 ms) belongs to the original domain Alphaboilerparts.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 134.9 kB (33%)

Content Size

403.6 kB

After Optimization

268.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Alphaboilerparts.co.uk main page is 403.6 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. 35% of websites need less resources to load. Images take 218.6 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 57.8 kB

  • Original 77.6 kB
  • After minification 65.8 kB
  • After compression 19.9 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. This page needs HTML code to be minified as it can gain 11.8 kB, which is 15% 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 57.8 kB or 74% of the original size.

Image Optimization

-31%

Potential reduce by 67.5 kB

  • Original 218.6 kB
  • After minification 151.1 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. Obviously, Alpha Boiler Parts needs image optimization as it can save up to 67.5 kB or 31% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-6%

Potential reduce by 5.4 kB

  • Original 87.8 kB
  • After minification 87.2 kB
  • After compression 82.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-21%

Potential reduce by 4.2 kB

  • Original 19.5 kB
  • After minification 19.5 kB
  • After compression 15.4 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. Alphaboilerparts.co.uk needs all CSS files to be minified and compressed as it can save up to 4.2 kB or 21% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (23%)

Requests Now

22

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alpha Boiler Parts. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

alphaboilerparts.co.uk

alphaboilerparts.co.uk

369 ms

style.css

style.css

156 ms

responsive.css

responsive.css

208 ms

css

css

26 ms

jquery.min.js

jquery.min.js

11 ms

modernizr-2.0.6.min.js

modernizr-2.0.6.min.js

171 ms

plugins.js

plugins.js

246 ms

script.js

script.js

229 ms

WebResource.axd

WebResource.axd

128 ms

ga.js

ga.js

16 ms

background.png

background.png

86 ms

Alpha-Spares-Parts.png

Alpha-Spares-Parts.png

110 ms

icon_cart.png

icon_cart.png

109 ms

Search.png

Search.png

185 ms

SearchSpares.png

SearchSpares.png

178 ms

Alpha-Boiler-Spares-Parts.jpg

Alpha-Boiler-Spares-Parts.jpg

174 ms

AlphaFan.jpg

AlphaFan.jpg

167 ms

Alpha-Boiler-Spares.png

Alpha-Boiler-Spares.png

269 ms

Alpha-Spare-Parts.jpg

Alpha-Spare-Parts.jpg

192 ms

header-top.png

header-top.png

239 ms

phone-header-top.png

phone-header-top.png

243 ms

header-border-top.png

header-border-top.png

245 ms

header-border-bottom.png

header-border-bottom.png

261 ms

title-bg.png

title-bg.png

262 ms

Appliance-Search.png

Appliance-Search.png

320 ms

featured_bg.gif

featured_bg.gif

321 ms

sidebar-list.png

sidebar-list.png

327 ms

footer-list.png

footer-list.png

338 ms

__utm.gif

__utm.gif

12 ms

jizfRExUiTo99u79B_mh0O6tKA.ttf

jizfRExUiTo99u79B_mh0O6tKA.ttf

12 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

15 ms

Accessibility Review

alphaboilerparts.co.uk accessibility score

50

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

alphaboilerparts.co.uk best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

alphaboilerparts.co.uk SEO score

100

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 Alphaboilerparts.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 Alphaboilerparts.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

alphaboilerparts.co.uk

Open Graph description is not detected on the main page of Alpha Boiler Parts. 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: