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

Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

dysfo.en.alibaba.com

Shenzhen Dys Fiber Optic Technology Co., Ltd.

Page Load Speed

3.2 sec in total

First Response

10 ms

Resources Loaded

2.4 sec

Page Rendered

741 ms

dysfo.en.alibaba.com screenshot

About Website

Click here to check amazing Dys Fo En Alibaba content for China. Otherwise, check out these important facts you probably never knew about dysfo.en.alibaba.com

Shenzhen Dys Fiber Optic Technology Co., Ltd., Experts in Manufacturing and Exporting and 0 more Products.

Visit dysfo.en.alibaba.com

Key Findings

We analyzed Dysfo.en.alibaba.com page load time and found that the first response time was 10 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

dysfo.en.alibaba.com performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value16.6 s

0/100

25%

SI (Speed Index)

Value14.1 s

1/100

10%

TBT (Total Blocking Time)

Value6,270 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.581

11/100

15%

TTI (Time to Interactive)

Value29.2 s

0/100

10%

Network Requests Diagram

dysfo.en.alibaba.com

10 ms

dysfo.en.alibaba.com

596 ms

44 ms

42 ms

header.css

92 ms

Our browser made a total of 126 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Dysfo.en.alibaba.com, 52% (66 requests) were made to S.alicdn.com and 16% (20 requests) were made to Sc02.alicdn.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.7 MB (48%)

Content Size

3.5 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dysfo.en.alibaba.com main page is 3.5 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. 80% 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. Javascripts take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 380.5 kB

  • Original 467.7 kB
  • After minification 463.8 kB
  • After compression 87.2 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 380.5 kB or 81% of the original size.

Image Optimization

-24%

Potential reduce by 137.1 kB

  • Original 575.4 kB
  • After minification 438.3 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. Obviously, Dys Fo En Alibaba needs image optimization as it can save up to 137.1 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-40%

Potential reduce by 850.1 kB

  • Original 2.1 MB
  • After minification 2.1 MB
  • After compression 1.3 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 850.1 kB or 40% of the original size.

CSS Optimization

-89%

Potential reduce by 292.4 kB

  • Original 329.5 kB
  • After minification 278.6 kB
  • After compression 37.1 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. Dysfo.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 292.4 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 53 (46%)

Requests Now

115

After Optimization

62

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 115 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dys Fo 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 28 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dysfo.en.alibaba.com

dysfo.en.alibaba.com

10 ms

dysfo.en.alibaba.com

dysfo.en.alibaba.com

596 ms

44 ms

42 ms

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header.css

92 ms

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86 ms

85 ms

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81 ms

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85 ms

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87 ms

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74 ms

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239 ms

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1106 ms

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114 ms

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290 ms

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457 ms

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290 ms

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413 ms

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1009 ms

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288 ms

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289 ms

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240 ms

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201 ms

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13 ms

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footer.css

footer.css

1187 ms

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35 ms

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index.js

28 ms

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7.gif

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wu.json

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rp

rp

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um.json

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Accessibility Review

dysfo.en.alibaba.com accessibility score

70

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.

Best Practices

dysfo.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

Displays images with incorrect aspect ratio

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

dysfo.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 Dysfo.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 Dysfo.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

dysfo.en.alibaba.com

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