Tools & Wizards About Us
diercon.en.alibaba.com screenshot

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

diercon.en.alibaba.com

Dongguan Diercon Technology Co., Ltd. - Portable Water Filter, Injection Plastic Products

Page Load Speed

2.7 sec in total

First Response

10 ms

Resources Loaded

2.3 sec

Page Rendered

338 ms

diercon.en.alibaba.com screenshot

About Website

Visit diercon.en.alibaba.com now to see the best up-to-date Diercon En Alibaba content for China and also check out these interesting facts you probably never knew about diercon.en.alibaba.com

Dongguan Diercon Technology Co., Ltd., Experts in Manufacturing and Exporting Portable Water Filter, Injection Plastic Products and 0 more Products.

Visit diercon.en.alibaba.com

Key Findings

We analyzed Diercon.en.alibaba.com page load time and found that the first response time was 10 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

diercon.en.alibaba.com performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value16.4 s

0/100

25%

SI (Speed Index)

Value12.4 s

3/100

10%

TBT (Total Blocking Time)

Value4,280 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.399

25/100

15%

TTI (Time to Interactive)

Value25.6 s

0/100

10%

Network Requests Diagram

diercon.en.alibaba.com

10 ms

diercon.en.alibaba.com

768 ms

56 ms

52 ms

header.css

100 ms

Our browser made a total of 133 requests to load all elements on the main page. We found that 2% of them (3 requests) were addressed to the original Diercon.en.alibaba.com, 38% (51 requests) were made to S.alicdn.com and 19% (25 requests) were made to Sc04.alicdn.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Sc04.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.8 MB (62%)

Content Size

6.2 MB

After Optimization

2.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Diercon.en.alibaba.com main page is 6.2 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. Only a small number of websites need less resources to load. Javascripts take 4.8 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 492.2 kB

  • Original 594.4 kB
  • After minification 590.5 kB
  • After compression 102.2 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 492.2 kB or 83% of the original size.

Image Optimization

-46%

Potential reduce by 178.9 kB

  • Original 391.6 kB
  • After minification 212.8 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. Obviously, Diercon En Alibaba needs image optimization as it can save up to 178.9 kB or 46% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-60%

Potential reduce by 2.9 MB

  • Original 4.8 MB
  • After minification 4.8 MB
  • After compression 1.9 MB

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 2.9 MB or 60% of the original size.

CSS Optimization

-72%

Potential reduce by 284.8 kB

  • Original 398.0 kB
  • After minification 347.2 kB
  • After compression 113.2 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. Diercon.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 284.8 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 56 (46%)

Requests Now

121

After Optimization

65

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 121 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Diercon En Alibaba. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

diercon.en.alibaba.com

diercon.en.alibaba.com

10 ms

diercon.en.alibaba.com

diercon.en.alibaba.com

768 ms

56 ms

52 ms

header.css

header.css

100 ms

header.js

header.js

121 ms

53 ms

web-index.css

web-index.css

117 ms

web-index.css

web-index.css

114 ms

web-index.css

web-index.css

115 ms

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web-index.css

116 ms

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web-index.css

120 ms

137 ms

103 ms

index.js

index.js

84 ms

113 ms

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514 ms

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618 ms

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274 ms

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580 ms

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274 ms

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280 ms

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651 ms

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428 ms

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431 ms

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464 ms

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463 ms

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603 ms

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1140 ms

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552 ms

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891 ms

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1139 ms

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687 ms

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795 ms

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1214 ms

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1185 ms

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1218 ms

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1369 ms

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1161 ms

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1218 ms

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1594 ms

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1797 ms

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575 ms

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528 ms

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270 ms

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276 ms

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Accessibility Review

diercon.en.alibaba.com accessibility score

68

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

diercon.en.alibaba.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

diercon.en.alibaba.com SEO score

71

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

High

Document doesn't have a valid hreflang

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 doesn't use 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 Diercon.en.alibaba.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 Diercon.en.alibaba.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

diercon.en.alibaba.com

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