Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 42

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

midibooks.net

电脑音乐书店 — 领先的中文电脑音乐、MIDI音乐制作技术、音频录音、混音技术等正版图书音像,专业录音设备等全新正品行货专业网站

Page Load Speed

31.9 sec in total

First Response

873 ms

Resources Loaded

30.3 sec

Page Rendered

682 ms

midibooks.net screenshot

About Website

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

电脑音乐书店是一家互联网领先的专业提供电脑音乐和MIDI音乐制作技术、计算机音乐和电子音乐制作技术、电脑录音软件和midi制作软件学习教程、音频应用技术、混音软件学习和缩混技术教程等全新正版图书音像产品,以及专业音频设备等录音棚设备和装修器材正品行货专业网站。支持网银在线付款、邮政支付宝和财付通付款、全国2000多家大中城市货到付款、满包邮、退货保障等多种安全交易方式。

Visit midibooks.net

Key Findings

We analyzed Midibooks.net page load time and found that the first response time was 873 ms and then it took 31 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

midibooks.net performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

5/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

4/100

25%

SI (Speed Index)

Value24.6 s

0/100

10%

TBT (Total Blocking Time)

Value36,230 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.04

99/100

15%

TTI (Time to Interactive)

Value63.2 s

0/100

10%

Network Requests Diagram

midibooks.net

873 ms

www.midibooks.net

1269 ms

style.css

515 ms

tools.js

553 ms

goodscupcake.js

386 ms

Our browser made a total of 327 requests to load all elements on the main page. We found that 91% of them (299 requests) were addressed to the original Midibooks.net, 2% (5 requests) were made to Bdimg.share.baidu.com and 1% (3 requests) were made to C.cnzz.com. The less responsive or slowest element that took the longest time to load (14.6 sec) relates to the external source Tajs.qq.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (19%)

Content Size

5.8 MB

After Optimization

4.7 MB

In fact, the total size of Midibooks.net main page is 5.8 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. 65% of websites need less resources to load. Images take 5.0 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 381.4 kB

  • Original 430.0 kB
  • After minification 427.7 kB
  • After compression 48.6 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 381.4 kB or 89% of the original size.

Image Optimization

-9%

Potential reduce by 463.1 kB

  • Original 5.0 MB
  • After minification 4.5 MB

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. Midibooks images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 182.4 kB

  • Original 274.6 kB
  • After minification 273.6 kB
  • After compression 92.1 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 182.4 kB or 66% of the original size.

CSS Optimization

-76%

Potential reduce by 59.9 kB

  • Original 79.0 kB
  • After minification 74.3 kB
  • After compression 19.1 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. Midibooks.net needs all CSS files to be minified and compressed as it can save up to 59.9 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 50 (16%)

Requests Now

319

After Optimization

269

The browser has sent 319 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Midibooks. 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 from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

midibooks.net accessibility score

42

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.

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

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

midibooks.net best practices score

50

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

midibooks.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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Midibooks.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 Midibooks.net 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 description is not detected on the main page of Midibooks. 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: