Tools & Wizards About Us

Report Summary

  • 87

    Performance

    Renders faster than
    89% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

boxfish.cn

北京盒子鱼教育科技有限公司

Page Load Speed

10.3 sec in total

First Response

647 ms

Resources Loaded

9.5 sec

Page Rendered

205 ms

About Website

Click here to check amazing Boxfish content for United States. Otherwise, check out these important facts you probably never knew about boxfish.cn

盒子鱼英语智能学习系统不同于传统英语学习和教学。根据国家教学大纲、托福雅思考试相关的国际知识点重新研发了从幼儿园、中小学到托福雅思难度的全新的智能课程体系。

Visit boxfish.cn

Key Findings

We analyzed Boxfish.cn page load time and found that the first response time was 647 ms and then it took 9.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

boxfish.cn performance score

87

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

72/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.6 s

91/100

10%

Network Requests Diagram

boxfish.cn

647 ms

boxfish.cn

897 ms

index.css

222 ms

component.css

443 ms

phone.png

2200 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 84% of them (21 requests) were addressed to the original Boxfish.cn, 8% (2 requests) were made to Hm.baidu.com and 4% (1 request) were made to Xyt.xinchacha.com. The less responsive or slowest element that took the longest time to load (5.1 sec) belongs to the original domain Boxfish.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 46.1 kB (6%)

Content Size

719.6 kB

After Optimization

673.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Boxfish.cn main page is 719.6 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 619.0 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 24.8 kB

  • Original 28.0 kB
  • After minification 7.8 kB
  • After compression 3.2 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. This page needs HTML code to be minified as it can gain 20.2 kB, which is 72% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 24.8 kB or 88% of the original size.

Image Optimization

-3%

Potential reduce by 18.0 kB

  • Original 619.0 kB
  • After minification 601.0 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. Boxfish images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 2.3 kB

  • Original 65.8 kB
  • After minification 65.8 kB
  • After compression 63.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-15%

Potential reduce by 1.0 kB

  • Original 6.8 kB
  • After minification 6.8 kB
  • After compression 5.8 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. Boxfish.cn needs all CSS files to be minified and compressed as it can save up to 1.0 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (32%)

Requests Now

19

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Boxfish. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

boxfish.cn accessibility score

67

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

Links do not have a discernible name

Best Practices

boxfish.cn best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

boxfish.cn SEO score

85

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

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

    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 Boxfish.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 Boxfish.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 Boxfish. 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: