Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

isowater.com

Buy deuterium oxide D₂O Deuterium Oxide For Sale | Isowater Corp

Page Load Speed

1.5 sec in total

First Response

56 ms

Resources Loaded

844 ms

Page Rendered

565 ms

About Website

Click here to check amazing Isowater content. Otherwise, check out these important facts you probably never knew about isowater.com

We sell bulk deuterium oxide (D2O) by the barrel & bottle. Global delivery & local storage available. Secure your reliable D₂O supply. Contact us

Visit isowater.com

Key Findings

We analyzed Isowater.com page load time and found that the first response time was 56 ms and then it took 1.4 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

isowater.com performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

7/100

25%

SI (Speed Index)

Value5.2 s

60/100

10%

TBT (Total Blocking Time)

Value5,340 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.145

77/100

15%

TTI (Time to Interactive)

Value18.2 s

3/100

10%

Network Requests Diagram

isowater.com

56 ms

www.isowater.com

127 ms

classic-10_7.css

13 ms

css2

55 ms

170aad61988c26f6d0f872d9b7372e5b.css

35 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 59% of them (35 requests) were addressed to the original Isowater.com, 14% (8 requests) were made to Fonts.gstatic.com and 8% (5 requests) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (220 ms) relates to the external source Fonts.gstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 137.1 kB (9%)

Content Size

1.5 MB

After Optimization

1.3 MB

In fact, the total size of Isowater.com main page is 1.5 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 916.3 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 62.5 kB

  • Original 81.7 kB
  • After minification 81.6 kB
  • After compression 19.2 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 62.5 kB or 76% of the original size.

Image Optimization

-8%

Potential reduce by 73.0 kB

  • Original 916.3 kB
  • After minification 843.3 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. Isowater images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.3 kB

  • Original 381.0 kB
  • After minification 381.0 kB
  • After compression 379.7 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 304 B

  • Original 89.0 kB
  • After minification 89.0 kB
  • After compression 88.7 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. Isowater.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 33 (75%)

Requests Now

44

After Optimization

11

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Isowater. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

isowater.com accessibility score

88

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.

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 IDs are not unique

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

Best Practices

isowater.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

isowater.com SEO score

93

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

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 Isowater.com 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 Isowater.com 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

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