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

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

hvacr.en.alibaba.com

BOBO Machine Co., Ltd. - Spring Machine, Hvac Machine

Page Load Speed

4.3 sec in total

First Response

245 ms

Resources Loaded

3.7 sec

Page Rendered

296 ms

hvacr.en.alibaba.com screenshot

About Website

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

BOBO Machine Co., Ltd., Experts in Manufacturing and Exporting Spring Machine, Hvac Machine and 0 more Products.

Visit hvacr.en.alibaba.com

Key Findings

We analyzed Hvacr.en.alibaba.com page load time and found that the first response time was 245 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

hvacr.en.alibaba.com performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

65/100

25%

SI (Speed Index)

Value19.5 s

0/100

10%

TBT (Total Blocking Time)

Value9,170 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.288

42/100

15%

TTI (Time to Interactive)

Value27.2 s

0/100

10%

Network Requests Diagram

hvacr.en.alibaba.com

245 ms

hvacr.en.alibaba.com

655 ms

72 ms

67 ms

header.css

61 ms

Our browser made a total of 96 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Hvacr.en.alibaba.com, 35% (34 requests) were made to S.alicdn.com and 28% (27 requests) were made to Sc02.alicdn.com. The less responsive or slowest element that took the longest time to load (3 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.1 MB (59%)

Content Size

3.5 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Hvacr.en.alibaba.com main page is 3.5 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 428.3 kB

  • Original 527.0 kB
  • After minification 523.0 kB
  • After compression 98.6 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 428.3 kB or 81% of the original size.

Image Optimization

-11%

Potential reduce by 8.9 kB

  • Original 78.4 kB
  • After minification 69.5 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. Obviously, Hvac R En Alibaba needs image optimization as it can save up to 8.9 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-52%

Potential reduce by 1.4 MB

  • Original 2.6 MB
  • After minification 2.6 MB
  • After compression 1.3 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 1.4 MB or 52% of the original size.

CSS Optimization

-88%

Potential reduce by 283.8 kB

  • Original 321.0 kB
  • After minification 270.1 kB
  • After compression 37.2 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. Hvacr.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 283.8 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 40 (47%)

Requests Now

85

After Optimization

45

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 85 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hvac R 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 28 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

hvacr.en.alibaba.com

hvacr.en.alibaba.com

245 ms

hvacr.en.alibaba.com

hvacr.en.alibaba.com

655 ms

72 ms

67 ms

header.css

header.css

61 ms

header.js

header.js

69 ms

63 ms

web-index.css

web-index.css

63 ms

web-index.css

web-index.css

149 ms

web-index.css

web-index.css

64 ms

web-index.css

web-index.css

67 ms

web-index.css

web-index.css

68 ms

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O1CN01KD2ycd23TlAhTEpWp_!!6000000007257-0-tps-3840-90.jpg

220 ms

220 ms

213 ms

index.js

index.js

214 ms

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250 ms

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822 ms

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88 ms

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90 ms

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572 ms

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473 ms

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247 ms

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248 ms

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256 ms

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255 ms

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569 ms

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511 ms

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469 ms

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567 ms

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636 ms

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818 ms

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817 ms

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816 ms

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816 ms

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838 ms

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1341 ms

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1185 ms

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1362 ms

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1030 ms

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1138 ms

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1162 ms

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1308 ms

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1596 ms

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2862 ms

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1991 ms

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1814 ms

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1432 ms

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1697 ms

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1606 ms

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1992 ms

136 ms

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2952 ms

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2039 ms

roboto-regular.woff

roboto-regular.woff

199 ms

roboto-medium.woff

roboto-medium.woff

266 ms

roboto-light.woff

roboto-light.woff

266 ms

roboto-thin.woff

roboto-thin.woff

265 ms

roboto-bold.woff

roboto-bold.woff

279 ms

personTipsInfo.do

personTipsInfo.do

261 ms

awsc.js

awsc.js

234 ms

193 ms

201 ms

icon-font.woff

icon-font.woff

148 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

218 ms

footer.css

footer.css

72 ms

eg.js

eg.js

183 ms

et_n.js

et_n.js

74 ms

um.js

um.js

74 ms

light0.5x.png

light0.5x.png

46 ms

pages_version.html

pages_version.html

165 ms

defer-common.js

defer-common.js

271 ms

i.alicdn.com

i.alicdn.com

271 ms

index.js

index.js

104 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

99 ms

wu.json

wu.json

81 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

54 ms

sc.globalxman.appscene

sc.globalxman.appscene

21 ms

index.js

index.js

17 ms

index.js

index.js

16 ms

7.gif

7.gif

15 ms

index.web.css

index.web.css

15 ms

index.web.js

index.web.js

31 ms

baxiaCommon.js

baxiaCommon.js

22 ms

rp

rp

971 ms

availableSurveyQuery.json

availableSurveyQuery.json

197 ms

um.json

um.json

199 ms

store-proxy.html

store-proxy.html

121 ms

countryCurrencyDataService

countryCurrencyDataService

137 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

103 ms

personRoleInfo.do

personRoleInfo.do

93 ms

notification.do

notification.do

109 ms

index.js

index.js

24 ms

getUmid.do

getUmid.do

32 ms

iconfont.woff

iconfont.woff

29 ms

iconfont.woff

iconfont.woff

29 ms

Accessibility Review

hvacr.en.alibaba.com accessibility score

68

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

hvacr.en.alibaba.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

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

hvacr.en.alibaba.com SEO score

79

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

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 Hvacr.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 Hvacr.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

hvacr.en.alibaba.com

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