Access zipheaters.co.uk. Boiling Water Tap - Instant Boiling & Chilled Water

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value13.0 s

0/100

25%

SI (Speed Index)

Value14.9 s

1/100

10%

TBT (Total Blocking Time)

Value3,470 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value1.204

1/100

15%

TTI (Time to Interactive)

Value19.5 s

2/100

10%

zipheaters.co.uk

219 ms

specify.zipwater.co.uk

815 ms

optimize.js

71 ms

hotjar-980038.js

175 ms

gtm.js

125 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Zipheaters.co.uk, 72% (64 requests) were made to Specify.zipwater.co.uk and 8% (7 requests) were made to Cdn.cookielaw.org. The less responsive or slowest element that took the longest time to load (2.7 sec) relates to the external source Specify.zipwater.co.uk.

Content Size

4.2 MB

After Optimization

3.9 MB

In fact, the total size of Zipheaters.co.uk main page is 4.2 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 366.6 kB

Original 440.0 kB
After minification 439.8 kB
After compression 73.4 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 366.6 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 713 B

Original 3.1 MB
After minification 3.1 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. Zip Heaters images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.3 kB

Original 594.2 kB
After minification 594.2 kB
After compression 593.0 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

-0%

Potential reduce by 167 B

Original 89.1 kB
After minification 89.1 kB
After compression 88.9 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. Zipheaters.co.uk has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zip Heaters. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

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

High

Heading elements are not in a sequentially-descending order

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.

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Links do not have descriptive text

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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/).

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 Zipheaters.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 Zipheaters.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

zipheaters.co.uk

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Boiling Water Tap - Instant Boiling & Chilled Water | Zip Specifiers Portal

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

zipheaters.co.uk

specify.zipwater.co.uk

optimize.js

hotjar-980038.js

gtm.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

zipheaters.co.uk

specify.zipwater.co.uk

optimize.js

hotjar-980038.js

gtm.js

sharethis.js

modernizr-2.8.3.min.js.pagespeed.jm.-eLSiFDS5V.js

api.js

w.js

jquery-3.3.1.min.js.pagespeed.jm.r0B4QCxeCQ.js

main.min.js.pagespeed.jm.6ey4GOf5sG.js

otSDKStub.js

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cdw-masthead-desktop.jpg

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guides.png

guides-hover.png

parts.png

parts-hover.png

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newsletter.png

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call.png

Karbon.woff