Tools & Wizards About Us
bicycletech.en.alibaba.com screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

bicycletech.en.alibaba.com

Hangzhou Bicycle Technology Co., Ltd. - Bicycle parts, bicycle accessories

Page Load Speed

21.3 sec in total

First Response

81 ms

Resources Loaded

20.8 sec

Page Rendered

379 ms

bicycletech.en.alibaba.com screenshot

About Website

Click here to check amazing Bicycle Tech En Alibaba content for China. Otherwise, check out these important facts you probably never knew about bicycletech.en.alibaba.com

Hangzhou Bicycle Technology Co., Ltd., Experts in Manufacturing and Exporting Bicycle parts, bicycle accessories and 0 more Products.

Visit bicycletech.en.alibaba.com

Key Findings

We analyzed Bicycletech.en.alibaba.com page load time and found that the first response time was 81 ms and then it took 21.2 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 3 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

bicycletech.en.alibaba.com performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

78/100

25%

SI (Speed Index)

Value16.8 s

0/100

10%

TBT (Total Blocking Time)

Value8,970 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.959

3/100

15%

TTI (Time to Interactive)

Value27.9 s

0/100

10%

Network Requests Diagram

bicycletech.en.alibaba.com

81 ms

bicycletech.en.alibaba.com

693 ms

113 ms

60 ms

header.css

101 ms

Our browser made a total of 117 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Bicycletech.en.alibaba.com, 68% (79 requests) were made to S.alicdn.com and 6% (7 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (19.8 sec) relates to the external source Fourier.taobao.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.1 MB (62%)

Content Size

6.6 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bicycletech.en.alibaba.com main page is 6.6 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. 65% of websites need less resources to load. Javascripts take 5.3 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 632.3 kB

  • Original 758.8 kB
  • After minification 754.9 kB
  • After compression 126.5 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 632.3 kB or 83% of the original size.

Image Optimization

-5%

Potential reduce by 8.9 kB

  • Original 192.4 kB
  • After minification 183.5 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. Bicycle Tech En Alibaba images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 3.2 MB

  • Original 5.3 MB
  • After minification 5.3 MB
  • After compression 2.1 MB

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 3.2 MB or 61% of the original size.

CSS Optimization

-72%

Potential reduce by 288.0 kB

  • Original 401.1 kB
  • After minification 350.2 kB
  • After compression 113.0 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. Bicycletech.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 288.0 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 56 (54%)

Requests Now

103

After Optimization

47

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 103 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bicycle Tech En Alibaba. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bicycletech.en.alibaba.com

bicycletech.en.alibaba.com

81 ms

bicycletech.en.alibaba.com

bicycletech.en.alibaba.com

693 ms

113 ms

60 ms

header.css

header.css

101 ms

header.js

header.js

70 ms

75 ms

web-index.css

web-index.css

68 ms

web-index.css

web-index.css

71 ms

web-index.css

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75 ms

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80 ms

web-index.css

web-index.css

90 ms

243 ms

72 ms

index.js

index.js

78 ms

78 ms

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261 ms

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217 ms

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516 ms

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517 ms

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455 ms

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707 ms

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613 ms

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900 ms

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1114 ms

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1252 ms

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1073 ms

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1063 ms

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1332 ms

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1375 ms

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1490 ms

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1475 ms

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1592 ms

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1816 ms

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1965 ms

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2081 ms

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2081 ms

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1952 ms

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1980 ms

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2341 ms

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2343 ms

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2857 ms

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2508 ms

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2288 ms

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2300 ms

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2621 ms

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2857 ms

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173 ms

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183 ms

personTipsInfo.do

personTipsInfo.do

180 ms

awsc.js

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181 ms

152 ms

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3212 ms

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2835 ms

font_515771_xjdbujl2iu.woff

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111 ms

roboto-regular.woff

roboto-regular.woff

2391 ms

roboto-medium.woff

roboto-medium.woff

2366 ms

eg.js

eg.js

15 ms

footer.css

footer.css

2346 ms

et_n.js

et_n.js

40 ms

um.js

um.js

125 ms

sc.globalxman.appscene

sc.globalxman.appscene

7 ms

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85 ms

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84 ms

7.gif

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83 ms

roboto-light.woff

roboto-light.woff

2324 ms

ts

ts

19832 ms

baxiaCommon.js

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24 ms

rp

rp

19829 ms

ts

ts

19808 ms

wu.json

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16 ms

roboto-thin.woff

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2130 ms

um.json

um.json

57 ms

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2106 ms

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2106 ms

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28 ms

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2393 ms

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2367 ms

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2542 ms

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1860 ms

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2349 ms

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2089 ms

light0.5x.png

light0.5x.png

1007 ms

pages_version.html

pages_version.html

185 ms

sc.sc_header_footer.schd_coms

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23 ms

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30 ms

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28 ms

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1000 ms

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145 ms

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123 ms

countryCurrencyDataService

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142 ms

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96 ms

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personRoleInfo.do

89 ms

notification.do

notification.do

120 ms

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144 ms

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762 ms

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801 ms

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86 ms

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86 ms

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68 ms

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need_show_cookie_setting.do

43 ms

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46 ms

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9 ms

footer-sync.js

footer-sync.js

7 ms

Accessibility Review

bicycletech.en.alibaba.com accessibility score

66

Accessibility Issues

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

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

bicycletech.en.alibaba.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Missing source maps for large first-party JavaScript

SEO Factors

bicycletech.en.alibaba.com SEO score

71

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

High

Document doesn't have a valid hreflang

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bicycletech.en.alibaba.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Bicycletech.en.alibaba.com 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

bicycletech.en.alibaba.com

Open Graph data is detected on the main page of Bicycle Tech En Alibaba. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: