Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 47

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

bigwhitedirect.com

Air Purifier, ionizer air purifier, Car Air Purifier, ionic air cleaner,Home Air Purifier, Personal wearable necklace Air Purifier,Hepa filter air pur...

Page Load Speed

4.1 sec in total

First Response

394 ms

Resources Loaded

2.6 sec

Page Rendered

1.1 sec

bigwhitedirect.com screenshot

About Website

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

Zeilo, leading the global, offers safe, high-efficiency, professional portable anion air purifier. We have specialized in air purifier for 40 years.Our business partners are dyson,Whirlpool,Unilever a...

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Key Findings

We analyzed Bigwhitedirect.com page load time and found that the first response time was 394 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

bigwhitedirect.com performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

48/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value480 ms

59/100

30%

CLS (Cumulative Layout Shift)

Value1.165

1/100

15%

TTI (Time to Interactive)

Value4.8 s

78/100

10%

Network Requests Diagram

bigwhitedirect.com

394 ms

www.bigwhitedirect.com

390 ms

style.css

71 ms

index.css

138 ms

jquery-2.1.4.min.js

206 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that all of those requests were addressed to Bigwhitedirect.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Bigwhitedirect.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 90.8 kB (9%)

Content Size

985.7 kB

After Optimization

894.9 kB

In fact, the total size of Bigwhitedirect.com main page is 985.7 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 900.0 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 22.0 kB

  • Original 29.2 kB
  • After minification 27.5 kB
  • After compression 7.2 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 22.0 kB or 75% of the original size.

Image Optimization

-6%

Potential reduce by 58.2 kB

  • Original 900.0 kB
  • After minification 841.8 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. Bigwhitedirect images are well optimized though.

JavaScript Optimization

-19%

Potential reduce by 8.9 kB

  • Original 48.0 kB
  • After minification 48.0 kB
  • After compression 39.1 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 8.9 kB or 19% of the original size.

CSS Optimization

-19%

Potential reduce by 1.6 kB

  • Original 8.5 kB
  • After minification 8.5 kB
  • After compression 6.9 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. Bigwhitedirect.com needs all CSS files to be minified and compressed as it can save up to 1.6 kB or 19% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (29%)

Requests Now

48

After Optimization

34

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bigwhitedirect. 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 as a result speed up the page load time.

Accessibility Review

bigwhitedirect.com accessibility score

47

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

bigwhitedirect.com best practices score

83

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

bigwhitedirect.com SEO score

84

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

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bigwhitedirect.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 Bigwhitedirect.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 Bigwhitedirect. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: