Tools & Wizards About Us
onebest.cn screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

onebest.cn

沃邦国际教育-新SAT培训,托福一对一,SSAT培训,ACT考试,AP课程

Page Load Speed

52.5 sec in total

First Response

2 sec

Resources Loaded

44 sec

Page Rendered

6.5 sec

onebest.cn screenshot

About Website

Welcome to onebest.cn homepage info - get ready to check Onebest best content for United States right away, or after learning these important things about onebest.cn

沃邦国际教育是一家专业的初高中出国留学教育培训机构,提供一对一培训, TOEFL/托福培训, 新SAT/赛达培训,SSAT培训, IELTS/雅思培训,ACT培训,AP培训等课程培训,并为学子专业策划留美方案和提供留学考试指导。

Visit onebest.cn

Key Findings

We analyzed Onebest.cn page load time and found that the first response time was 2 sec and then it took 50.5 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 42 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

onebest.cn performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

74/100

10%

LCP (Largest Contentful Paint)

Value41.6 s

0/100

25%

SI (Speed Index)

Value31.0 s

0/100

10%

TBT (Total Blocking Time)

Value4,010 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.416

23/100

15%

TTI (Time to Interactive)

Value8.5 s

37/100

10%

Network Requests Diagram

onebest.cn

2010 ms

swiper.min.css

393 ms

style.css

2975 ms

media.css

1046 ms

jquery-1.11.0.min.js

2810 ms

Our browser made a total of 104 requests to load all elements on the main page. We found that 85% of them (88 requests) were addressed to the original Onebest.cn, 12% (12 requests) were made to Www5c1.53kf.com and 2% (2 requests) were made to . The less responsive or slowest element that took the longest time to load (20.2 sec) belongs to the original domain Onebest.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 209.6 kB (11%)

Content Size

2.0 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Onebest.cn main page is 2.0 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. 30% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 60.9 kB

  • Original 78.1 kB
  • After minification 68.6 kB
  • After compression 17.2 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 9.5 kB, which is 12% 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 60.9 kB or 78% of the original size.

Image Optimization

-8%

Potential reduce by 133.5 kB

  • Original 1.8 MB
  • After minification 1.6 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. Onebest images are well optimized though.

JavaScript Optimization

-10%

Potential reduce by 11.4 kB

  • Original 119.9 kB
  • After minification 119.9 kB
  • After compression 108.5 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

-20%

Potential reduce by 3.8 kB

  • Original 19.4 kB
  • After minification 19.4 kB
  • After compression 15.6 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. Onebest.cn needs all CSS files to be minified and compressed as it can save up to 3.8 kB or 20% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (27%)

Requests Now

59

After Optimization

43

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Onebest. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

onebest.cn

onebest.cn

2010 ms

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393 ms

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2975 ms

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1046 ms

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2810 ms

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8453 ms

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19990 ms

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10097 ms

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8014 ms

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10138 ms

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12178 ms

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19984 ms

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11653 ms

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16664 ms

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18964 ms

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19983 ms

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19983 ms

Accessibility Review

onebest.cn accessibility score

76

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.

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

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

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

onebest.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

onebest.cn SEO score

75

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

High

robots.txt is not valid

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Onebest.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 Onebest.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

onebest.cn

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