Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

managebac.cn

迈纳百 ManageBac

Page Load Speed

2.1 sec in total

First Response

102 ms

Resources Loaded

1.3 sec

Page Rendered

705 ms

managebac.cn screenshot

About Website

Welcome to managebac.cn homepage info - get ready to check Manage Bac best content for China right away, or after learning these important things about managebac.cn

一站式教学教务管理系统,200,000+教育者的信任之选,支持IBDP、PYP、MYP、A-Level、IGCSE、AP、中国国家课程、校本课程等等。

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Key Findings

We analyzed Managebac.cn page load time and found that the first response time was 102 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

managebac.cn performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value12.1 s

0/100

25%

SI (Speed Index)

Value8.8 s

16/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0.099

90/100

15%

TTI (Time to Interactive)

Value13.4 s

11/100

10%

Network Requests Diagram

managebac.cn

102 ms

managebac.cn

31 ms

www.managebac.cn

55 ms

who.js

529 ms

general-style.css

92 ms

Our browser made a total of 154 requests to load all elements on the main page. We found that 72% of them (111 requests) were addressed to the original Managebac.cn, 21% (32 requests) were made to Fonts.gstatic.com and 2% (3 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (529 ms) relates to the external source App.whoisvisiting.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 174.4 kB (8%)

Content Size

2.1 MB

After Optimization

1.9 MB

In fact, the total size of Managebac.cn main page is 2.1 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. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 172.0 kB

  • Original 211.1 kB
  • After minification 211.1 kB
  • After compression 39.2 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 172.0 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 785 B

  • Original 1.4 MB
  • After minification 1.4 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. Manage Bac images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.3 kB

  • Original 366.1 kB
  • After minification 366.1 kB
  • After compression 364.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 409 B

  • Original 71.9 kB
  • After minification 71.9 kB
  • After compression 71.5 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. Managebac.cn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 52 (44%)

Requests Now

117

After Optimization

65

The browser has sent 117 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Manage Bac. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 22 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

managebac.cn accessibility score

75

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 have valid values

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

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

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

managebac.cn best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

managebac.cn SEO score

82

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

    ZH

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Managebac.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that Managebac.cn 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 Manage Bac. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: