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doultonusa.com screenshot

Report Summary

  • 94

    Performance

    Renders faster than
    93% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 78

    SEO

    Google-friendlier than
    39% of websites

doultonusa.com

Water Filtration Systems. World's Leading Water Treatment Technologies

Page Load Speed

396 ms in total

First Response

45 ms

Resources Loaded

240 ms

Page Rendered

111 ms

doultonusa.com screenshot

About Website

Click here to check amazing Doultonusa content for United States. Otherwise, check out these important facts you probably never knew about doultonusa.com

In response to consumer demand for improved drinking water quality and general purpose water treatment, Doulton USA is proud to introduce and market world renown brands of drinking water filtration, u...

Visit doultonusa.com

Key Findings

We analyzed Doultonusa.com page load time and found that the first response time was 45 ms and then it took 351 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

doultonusa.com performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.2 s

100/100

25%

SI (Speed Index)

Value1.3 s

100/100

10%

TBT (Total Blocking Time)

Value220 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0.086

93/100

15%

TTI (Time to Interactive)

Value4.0 s

87/100

10%

Network Requests Diagram

doultonusa.com

45 ms

doulton-bb.css

10 ms

jquery.min.js

21 ms

snipcart.js

82 ms

snipcart.min.css

158 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that 75% of them (12 requests) were addressed to the original Doultonusa.com, 13% (2 requests) were made to Cdn.snipcart.com and 6% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (158 ms) relates to the external source Cdn.snipcart.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 55.5 kB (18%)

Content Size

317.1 kB

After Optimization

261.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Doultonusa.com main page is 317.1 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. 20% of websites need less resources to load. Javascripts take 269.9 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 11.5 kB

  • Original 16.5 kB
  • After minification 14.5 kB
  • After compression 5.1 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 2.0 kB, which is 12% 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 11.5 kB or 69% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 22.8 kB
  • After minification 22.8 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. Doultonusa images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 42.4 kB

  • Original 269.9 kB
  • After minification 269.9 kB
  • After compression 227.5 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 42.4 kB or 16% of the original size.

CSS Optimization

-22%

Potential reduce by 1.7 kB

  • Original 7.9 kB
  • After minification 7.9 kB
  • After compression 6.2 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. Doultonusa.com needs all CSS files to be minified and compressed as it can save up to 1.7 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (20%)

Requests Now

15

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Doultonusa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

doultonusa.com

doultonusa.com

45 ms

doulton-bb.css

doulton-bb.css

10 ms

jquery.min.js

jquery.min.js

21 ms

snipcart.js

snipcart.js

82 ms

snipcart.min.css

snipcart.min.css

158 ms

ft.js

ft.js

17 ms

quant.js

quant.js

15 ms

doultonusa_com.gif

doultonusa_com.gif

17 ms

888.gif

888.gif

18 ms

non_traditional_gift.gif

non_traditional_gift.gif

18 ms

view_cart.gif

view_cart.gif

17 ms

doulton_new_logo.gif

doulton_new_logo.gif

17 ms

biotest-s.jpg

biotest-s.jpg

21 ms

sureseal-s.jpg

sureseal-s.jpg

21 ms

mountainlogoS.jpg

mountainlogoS.jpg

21 ms

SP_chrome.jpg

SP_chrome.jpg

20 ms

Accessibility Review

doultonusa.com accessibility score

80

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.

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

Links do not have a discernible name

High

<object> elements do not have alternate text

Best Practices

doultonusa.com 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

doultonusa.com SEO score

78

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

Content Best Practices

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

Impact

Issue

High

Document uses plugins

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Doultonusa.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Doultonusa.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

doultonusa.com

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