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bluedio02.aliexpress.com screenshot

Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

bluedio02.aliexpress.com

Page Load Speed

10.2 sec in total

First Response

607 ms

Resources Loaded

9.5 sec

Page Rendered

159 ms

bluedio02.aliexpress.com screenshot

About Website

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Key Findings

We analyzed Bluedio02.aliexpress.com page load time and found that the first response time was 607 ms and then it took 9.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

bluedio02.aliexpress.com performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.1 s

1/100

10%

LCP (Largest Contentful Paint)

Value14.0 s

0/100

25%

SI (Speed Index)

Value14.7 s

1/100

10%

TBT (Total Blocking Time)

Value1,380 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.386

27/100

15%

TTI (Time to Interactive)

Value13.9 s

10/100

10%

Network Requests Diagram

bluedio02.aliexpress.com

607 ms

1101190972

547 ms

53 ms

next.min.css

26 ms

index.css

53 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Bluedio02.aliexpress.com, 39% (35 requests) were made to Assets.alicdn.com and 16% (14 requests) were made to Ae01.alicdn.com. The less responsive or slowest element that took the longest time to load (4.5 sec) relates to the external source Ae.mmstat.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (49%)

Content Size

2.6 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bluedio02.aliexpress.com main page is 2.6 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. 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 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 192.8 kB

  • Original 264.7 kB
  • After minification 258.3 kB
  • After compression 71.9 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 192.8 kB or 73% of the original size.

Image Optimization

-37%

Potential reduce by 7.7 kB

  • Original 20.9 kB
  • After minification 13.2 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, Bluedio 02 Aliexpress needs image optimization as it can save up to 7.7 kB or 37% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-47%

Potential reduce by 984.0 kB

  • Original 2.1 MB
  • After minification 2.1 MB
  • After compression 1.1 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 984.0 kB or 47% of the original size.

CSS Optimization

-42%

Potential reduce by 107.6 kB

  • Original 256.2 kB
  • After minification 256.1 kB
  • After compression 148.6 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. Bluedio02.aliexpress.com needs all CSS files to be minified and compressed as it can save up to 107.6 kB or 42% of the original size.

Requests Breakdown

Number of requests can be reduced by 65 (79%)

Requests Now

82

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 82 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bluedio 02 Aliexpress. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 43 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bluedio02.aliexpress.com

bluedio02.aliexpress.com

607 ms

1101190972

1101190972

547 ms

53 ms

next.min.css

next.min.css

26 ms

index.css

index.css

53 ms

index.js

index.js

56 ms

index.js

index.js

78 ms

index.js

index.js

97 ms

ae-header.css

ae-header.css

75 ms

ae-header.js

ae-header.js

94 ms

index.css

index.css

75 ms

index.js

index.js

77 ms

_cross_page_loader_.js

_cross_page_loader_.js

87 ms

67 ms

10x10.png

10x10.png

75 ms

240x168.png

240x168.png

103 ms

register.js

register.js

65 ms

65 ms

index.js

index.js

12 ms

9 ms

29 ms

epssw.js

epssw.js

114 ms

index.web.cmd.js

index.web.cmd.js

113 ms

27 ms

index.web.js

index.web.js

23 ms

index.web.js

index.web.js

23 ms

index.web.js

index.web.js

117 ms

index.web.js

index.web.js

114 ms

index.web.js

index.web.js

118 ms

index.web.js

index.web.js

115 ms

index.web.js

index.web.js

115 ms

index.web.js

index.web.js

118 ms

index.web.js

index.web.js

119 ms

eg.js

eg.js

4511 ms

gep-tracker.js

gep-tracker.js

169 ms

gep-sdk.js

gep-sdk.js

172 ms

65x70.gif

65x70.gif

178 ms

20x20.png

20x20.png

175 ms

et_n.js

et_n.js

1979 ms

index.js

index.js

168 ms

rp

rp

4501 ms

wcfg.json

wcfg.json

4195 ms

167 ms

index.js

index.js

172 ms

et_f.js

et_f.js

173 ms

renderPageData.htm

renderPageData.htm

2087 ms

10x10.png

10x10.png

1897 ms

240x168.png

240x168.png

1896 ms

H907757fdad184e31a1b58bd6507666deo.png

H907757fdad184e31a1b58bd6507666deo.png

1815 ms

H6dea52a7c0df4bd4846cec6add0060acM.png

H6dea52a7c0df4bd4846cec6add0060acM.png

1817 ms

40x40.png

40x40.png

1909 ms

mem8YaGs126MiZpBA-U1UQ.woff

mem8YaGs126MiZpBA-U1UQ.woff

1070 ms

open-sans.006320aa.woff

open-sans.006320aa.woff

1165 ms

mem5YaGs126MiZpBA-UNirk-Vg.woff

mem5YaGs126MiZpBA-UNirk-Vg.woff

1071 ms

mem5YaGs126MiZpBA-UN7rg-Vg.woff

mem5YaGs126MiZpBA-UN7rg-Vg.woff

1072 ms

aes.1.1

aes.1.1

2529 ms

g.gif

g.gif

2745 ms

info

info

18 ms

96x96.png

96x96.png

1662 ms

arrow-left.acf07a9d.png

arrow-left.acf07a9d.png

1644 ms

execute

execute

1348 ms

execute

execute

851 ms

308 ms

HTB1JKF1aDjxK1Rjy0Fnq6yBaFXaO.jpg

HTB1JKF1aDjxK1Rjy0Fnq6yBaFXaO.jpg

902 ms

48x48.png

48x48.png

292 ms

48x48.png

48x48.png

593 ms

HTB1If29aI_vK1RkSmRyq6xwupXaq.jpg

HTB1If29aI_vK1RkSmRyq6xwupXaq.jpg

293 ms

eg.js

eg.js

858 ms

aes.1.1

aes.1.1

855 ms

547 ms

baxiaJsonpHandler.js

baxiaJsonpHandler.js

25 ms

aes.1.1

aes.1.1

255 ms

punish:resource:template:AESpace:default_184083.html

punish:resource:template:AESpace:default_184083.html

937 ms

app.gif

app.gif

737 ms

320 ms

aes.1.1

aes.1.1

320 ms

ae.pc_ctr.statweb_ae_ctr

ae.pc_ctr.statweb_ae_ctr

239 ms

flexible.js

flexible.js

33 ms

qrcode.min.js

qrcode.min.js

38 ms

main.css

main.css

36 ms

punishpage.min.js

punishpage.min.js

42 ms

37 ms

aes.1.1

aes.1.1

239 ms

fsp.1.1

fsp.1.1

910 ms

O1CN01oSZaoy1rcfT5pA6JR_!!6000000005652-2-tps-498-120.png

O1CN01oSZaoy1rcfT5pA6JR_!!6000000005652-2-tps-498-120.png

1096 ms

index.js

index.js

1058 ms

O1CN01uX800r1KcmF5qDeNd_!!6000000001185-2-tps-276-284.png

O1CN01uX800r1KcmF5qDeNd_!!6000000001185-2-tps-276-284.png

248 ms

fsp.1.1

fsp.1.1

440 ms

aes.1.1

aes.1.1

234 ms

Accessibility Review

bluedio02.aliexpress.com accessibility score

75

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.

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

bluedio02.aliexpress.com best practices score

92

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

Page has valid source maps

SEO Factors

bluedio02.aliexpress.com SEO score

86

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

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

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bluedio02.aliexpress.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Bluedio02.aliexpress.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

bluedio02.aliexpress.com

Open Graph description is not detected on the main page of Bluedio 02 Aliexpress. 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: