Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

diybuy.net

胆艺轩音响材料网 音响|交易|电子管|胆机|胆机网站|胆机论坛|胆机材料|输出牛|变压器|电源牛|电阻|电容

Page Load Speed

22.4 sec in total

First Response

1.8 sec

Resources Loaded

20.1 sec

Page Rendered

536 ms

diybuy.net screenshot

About Website

Click here to check amazing Diybuy content for China. Otherwise, check out these important facts you probably never knew about diybuy.net

胆艺轩音响材料网 音响,交易,电子管,胆机,胆机网站,胆机论坛,胆机材料,输出牛,变压器,电源牛,电阻,电容,音响销售,进口音响,胆艺轩,音响材料,胆机配件 - Discuz! Board

Visit diybuy.net

Key Findings

We analyzed Diybuy.net page load time and found that the first response time was 1.8 sec and then it took 20.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

diybuy.net performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

69/100

25%

SI (Speed Index)

Value8.5 s

18/100

10%

TBT (Total Blocking Time)

Value3,490 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.262

47/100

15%

TTI (Time to Interactive)

Value14.2 s

9/100

10%

Network Requests Diagram

diybuy.net

1781 ms

style_1_common.css

1360 ms

common.js

3537 ms

big5style.js

986 ms

astracker.js

1711 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 58% of them (47 requests) were addressed to the original Diybuy.net, 5% (4 requests) were made to Rtb.behe.com and 5% (4 requests) were made to V.behe.com. The less responsive or slowest element that took the longest time to load (15.8 sec) belongs to the original domain Diybuy.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 217.3 kB (59%)

Content Size

365.4 kB

After Optimization

148.1 kB

In fact, the total size of Diybuy.net main page is 365.4 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. Images take 149.4 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 83.8 kB

  • Original 108.0 kB
  • After minification 101.4 kB
  • After compression 24.2 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 83.8 kB or 78% of the original size.

Image Optimization

-51%

Potential reduce by 75.6 kB

  • Original 149.4 kB
  • After minification 73.8 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, Diybuy needs image optimization as it can save up to 75.6 kB or 51% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-43%

Potential reduce by 34.0 kB

  • Original 78.5 kB
  • After minification 72.2 kB
  • After compression 44.5 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 34.0 kB or 43% of the original size.

CSS Optimization

-81%

Potential reduce by 23.9 kB

  • Original 29.5 kB
  • After minification 24.0 kB
  • After compression 5.6 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. Diybuy.net needs all CSS files to be minified and compressed as it can save up to 23.9 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 39 (54%)

Requests Now

72

After Optimization

33

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Diybuy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

diybuy.net accessibility score

57

Accessibility Issues

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-*] attributes do not match their roles

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.

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

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

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

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

diybuy.net best practices score

58

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

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

diybuy.net SEO score

62

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Diybuy.net can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Diybuy.net main page’s claimed encoding is gbk. 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

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