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rainbowautofilter.en.alibaba.com screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

rainbowautofilter.en.alibaba.com

Alibaba Manufacturer Directory - Suppliers, Manufacturers, Exporters & Importers

Page Load Speed

2.8 sec in total

First Response

13 ms

Resources Loaded

2.4 sec

Page Rendered

422 ms

rainbowautofilter.en.alibaba.com screenshot

About Website

Visit rainbowautofilter.en.alibaba.com now to see the best up-to-date Rainbowautofilter En Alibaba content for China and also check out these interesting facts you probably never knew about rainbowautofilter.en.alibaba.com

Hangzhou Rainbow Auto Parts Co., Ltd., Experts in Manufacturing and Exporting oil filter, air filter and 0 more Products.

Visit rainbowautofilter.en.alibaba.com

Key Findings

We analyzed Rainbowautofilter.en.alibaba.com page load time and found that the first response time was 13 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

rainbowautofilter.en.alibaba.com performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

86/100

25%

SI (Speed Index)

Value14.1 s

1/100

10%

TBT (Total Blocking Time)

Value5,480 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.868

4/100

15%

TTI (Time to Interactive)

Value27.4 s

0/100

10%

Network Requests Diagram

rainbowautofilter.en.alibaba.com

13 ms

rainbowautofilter.en.alibaba.com

766 ms

65 ms

63 ms

header.css

94 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Rainbowautofilter.en.alibaba.com, 55% (51 requests) were made to S.alicdn.com and 8% (7 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.4 MB (64%)

Content Size

6.9 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rainbowautofilter.en.alibaba.com main page is 6.9 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. Only a small number of websites need less resources to load. Javascripts take 5.4 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 641.3 kB

  • Original 758.6 kB
  • After minification 754.7 kB
  • After compression 117.3 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 641.3 kB or 85% of the original size.

Image Optimization

-46%

Potential reduce by 177.2 kB

  • Original 389.2 kB
  • After minification 212.0 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. Obviously, Rainbowautofilter En Alibaba needs image optimization as it can save up to 177.2 kB or 46% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 3.3 MB

  • Original 5.4 MB
  • After minification 5.4 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 3.3 MB or 61% of the original size.

CSS Optimization

-72%

Potential reduce by 292.4 kB

  • Original 404.5 kB
  • After minification 353.6 kB
  • After compression 112.1 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. Rainbowautofilter.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 292.4 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 46 (56%)

Requests Now

82

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 82 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rainbowautofilter 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 29 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

rainbowautofilter.en.alibaba.com

rainbowautofilter.en.alibaba.com

13 ms

rainbowautofilter.en.alibaba.com

rainbowautofilter.en.alibaba.com

766 ms

65 ms

63 ms

header.css

header.css

94 ms

header.js

header.js

102 ms

103 ms

web-index.css

web-index.css

99 ms

web-index.css

web-index.css

103 ms

web-index.css

web-index.css

100 ms

web-index.css

web-index.css

101 ms

web-index.css

web-index.css

105 ms

117 ms

79 ms

index.js

index.js

79 ms

108 ms

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286 ms

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TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

524 ms

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539 ms

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595 ms

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453 ms

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490 ms

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790 ms

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H9f0638f4bedf46b9b5acef253e2e0c74s.jpg_480x480.jpg

453 ms

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595 ms

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723 ms

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932 ms

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1161 ms

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1136 ms

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H2b11c814aff64dd6be90cc08570817f2F.jpg_480x480.jpg

1017 ms

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838 ms

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1266 ms

H987c4e0fde6d47e6ae3ce1a9bebc5d50g.jpg_350x350.jpg

H987c4e0fde6d47e6ae3ce1a9bebc5d50g.jpg_350x350.jpg

1245 ms

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H4a1d91bdb5f84bc3bab971ca8eb40e46F.jpg_350x350.jpg

1340 ms

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Hde97c525d8f14dfdb8873d69a47020a6v.jpg_350x350.jpg

1484 ms

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H5c14faf231194b80bb04574d01929b6dv.jpg_350x350.jpg

1662 ms

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1605 ms

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671 ms

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450 ms

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287 ms

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284 ms

112 ms

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TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

1204 ms

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1206 ms

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1621 ms

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891 ms

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966 ms

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709 ms

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244 ms

roboto-regular.woff

roboto-regular.woff

1213 ms

roboto-medium.woff

roboto-medium.woff

1232 ms

roboto-light.woff

roboto-light.woff

1233 ms

roboto-thin.woff

roboto-thin.woff

1234 ms

roboto-bold.woff

roboto-bold.woff

1234 ms

personTipsInfo.do

personTipsInfo.do

184 ms

awsc.js

awsc.js

57 ms

35 ms

eg.js

eg.js

277 ms

et_f.js

et_f.js

132 ms

um.js

um.js

136 ms

sc.globalxman.appscene

sc.globalxman.appscene

153 ms

icon-font.woff

icon-font.woff

1018 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

201 ms

footer.css

footer.css

1000 ms

wu.json

wu.json

60 ms

7.gif

7.gif

23 ms

index.js

index.js

18 ms

index.js

index.js

21 ms

baxiaCommon.js

baxiaCommon.js

15 ms

rp

rp

985 ms

um.json

um.json

56 ms

getUmid.do

getUmid.do

51 ms

light0.5x.png

light0.5x.png

64 ms

pages_version.html

pages_version.html

33 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

20 ms

defer-common.js

defer-common.js

280 ms

i.alicdn.com

i.alicdn.com

220 ms

index.js

index.js

23 ms

index.web.css

index.web.css

60 ms

index.web.js

index.web.js

69 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

38 ms

availableSurveyQuery.json

availableSurveyQuery.json

239 ms

index.js

index.js

176 ms

index.js

index.js

179 ms

store-proxy.html

store-proxy.html

146 ms

countryCurrencyDataService

countryCurrencyDataService

157 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

124 ms

personRoleInfo.do

personRoleInfo.do

118 ms

notification.do

notification.do

117 ms

index.css

index.css

22 ms

iconfont.woff

iconfont.woff

3 ms

iconfont.woff

iconfont.woff

3 ms

data

data

28 ms

Accessibility Review

rainbowautofilter.en.alibaba.com accessibility score

69

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.

Best Practices

rainbowautofilter.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

Serves images with low resolution

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

rainbowautofilter.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 Rainbowautofilter.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 Rainbowautofilter.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

rainbowautofilter.en.alibaba.com

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