Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

javabike.cn

JAVA佳沃自行车官网

Page Load Speed

62.5 sec in total

First Response

10.2 sec

Resources Loaded

52.1 sec

Page Rendered

208 ms

javabike.cn screenshot

About Website

Click here to check amazing Javabike content for China. Otherwise, check out these important facts you probably never knew about javabike.cn

JAVA自行车是专注推广自行车文化的运动品牌,始终以客户为中心,关注客户的需求,力求为每一个客户提供最优质品质和完美的服务,让更多人享受骑行的乐趣。

Visit javabike.cn

Key Findings

We analyzed Javabike.cn page load time and found that the first response time was 10.2 sec and then it took 52.3 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 21 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

javabike.cn performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value19.2 s

0/100

25%

SI (Speed Index)

Value11.2 s

5/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.487

17/100

15%

TTI (Time to Interactive)

Value11.0 s

20/100

10%

Network Requests Diagram

javabike.cn

10222 ms

jquery.min.js

20238 ms

anquan_authen_124x47.js

1283 ms

anquan_authen_124x47.js

4138 ms

aq_auth.js

4143 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 66% of them (23 requests) were addressed to the original Javabike.cn, 14% (5 requests) were made to Bdimg.share.baidu.com and 6% (2 requests) were made to Static.anquan.org. The less responsive or slowest element that took the longest time to load (20.2 sec) belongs to the original domain Javabike.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 58.9 kB (48%)

Content Size

123.4 kB

After Optimization

64.5 kB

In fact, the total size of Javabike.cn main page is 123.4 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Javascripts take 48.2 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 19.8 kB

  • Original 28.6 kB
  • After minification 24.9 kB
  • After compression 8.8 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 3.7 kB, which is 13% 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 19.8 kB or 69% of the original size.

Image Optimization

-23%

Potential reduce by 10.4 kB

  • Original 44.6 kB
  • After minification 34.2 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. Obviously, Javabike needs image optimization as it can save up to 10.4 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-59%

Potential reduce by 28.7 kB

  • Original 48.2 kB
  • After minification 48.2 kB
  • After compression 19.6 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 28.7 kB or 59% of the original size.

CSS Optimization

-1%

Potential reduce by 17 B

  • Original 2.0 kB
  • After minification 2.0 kB
  • After compression 2.0 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. Javabike.cn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 6 (55%)

Requests Now

11

After Optimization

5

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Javabike. 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.

Accessibility Review

javabike.cn accessibility score

73

Accessibility Issues

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

High

Links do not have a discernible name

Best Practices

javabike.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

SEO Factors

javabike.cn SEO score

85

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

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 Javabike.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 Javabike.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 Javabike. 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: