Report Summary

  • 59

    Performance

    Renders faster than
    76% of other websites

  • 51

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 42

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

bigear.cn

大耳朵英语首页 - 资料

Page Load Speed

32.8 sec in total

First Response

2.8 sec

Resources Loaded

27.7 sec

Page Rendered

2.2 sec

bigear.cn screenshot

About Website

Visit bigear.cn now to see the best up-to-date Bigear content for China and also check out these interesting facts you probably never knew about bigear.cn

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Key Findings

We analyzed Bigear.cn page load time and found that the first response time was 2.8 sec and then it took 29.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

bigear.cn performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.9 s

78/100

10%

Network Requests Diagram

www.bigear.cn

2838 ms

common.css

596 ms

jquery-1.8.3.min.js

950 ms

jquery.form.js

945 ms

jquery.cookie.js

724 ms

Our browser made a total of 158 requests to load all elements on the main page. We found that 48% of them (76 requests) were addressed to the original Bigear.cn, 10% (16 requests) were made to Ucenter.bigear.cn and 10% (16 requests) were made to Pos.baidu.com. The less responsive or slowest element that took the longest time to load (19.7 sec) relates to the external source Home.bigear.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 592.5 kB (36%)

Content Size

1.6 MB

After Optimization

1.1 MB

In fact, the total size of Bigear.cn main page is 1.6 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. 50% of websites need less resources to load. Images take 940.2 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 136.9 kB

  • Original 169.9 kB
  • After minification 164.0 kB
  • After compression 33.0 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 136.9 kB or 81% of the original size.

Image Optimization

-9%

Potential reduce by 83.5 kB

  • Original 940.2 kB
  • After minification 856.7 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. Bigear images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 327.1 kB

  • Original 484.9 kB
  • After minification 484.3 kB
  • After compression 157.8 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 327.1 kB or 67% of the original size.

CSS Optimization

-84%

Potential reduce by 45.0 kB

  • Original 53.7 kB
  • After minification 49.4 kB
  • After compression 8.8 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. Bigear.cn needs all CSS files to be minified and compressed as it can save up to 45.0 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 65 (43%)

Requests Now

152

After Optimization

87

The browser has sent 152 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bigear. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

bigear.cn accessibility score

51

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.

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

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

High

Form elements do not have associated labels

High

Links do not have a discernible name

High

<object> elements do not have alternate text

Best Practices

bigear.cn best practices score

42

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

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

bigear.cn SEO score

62

Search Engine Optimization Advices

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 uses plugins

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 Bigear.cn 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 Bigear.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 description is not detected on the main page of Bigear. 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: