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serena.aliexpress.com screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

serena.aliexpress.com

SunRun Technology Co.,Ltd - Amazing products with exclusive discounts on AliExpress

Page Load Speed

10 sec in total

First Response

500 ms

Resources Loaded

9.4 sec

Page Rendered

104 ms

serena.aliexpress.com screenshot

About Website

Welcome to serena.aliexpress.com homepage info - get ready to check Serena Ali Express best content for Brazil right away, or after learning these important things about serena.aliexpress.com

Discover the wide range of from AliExpress Top Seller SunRun Technology Co.,Ltd.Enjoy ✓Free Shipping Worldwide! ✓Limited Time Sale ✓Easy Return.

Visit serena.aliexpress.com

Key Findings

We analyzed Serena.aliexpress.com page load time and found that the first response time was 500 ms and then it took 9.5 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

serena.aliexpress.com performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.3 s

0/100

25%

SI (Speed Index)

Value12.4 s

3/100

10%

TBT (Total Blocking Time)

Value630 ms

47/100

30%

CLS (Cumulative Layout Shift)

Value0.75

6/100

15%

TTI (Time to Interactive)

Value15.2 s

7/100

10%

Network Requests Diagram

serena.aliexpress.com

500 ms

1100500896

448 ms

308 ms

next.min.css

66 ms

index.css

42 ms

Our browser made a total of 94 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Serena.aliexpress.com, 39% (37 requests) were made to Assets.alicdn.com and 13% (12 requests) were made to Ae01.alicdn.com. The less responsive or slowest element that took the longest time to load (3.3 sec) relates to the external source Bdc.alibabachengdun.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.0 MB (59%)

Content Size

3.5 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Serena.aliexpress.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. 70% of websites need less resources to load. Javascripts take 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 193.0 kB

  • Original 264.2 kB
  • After minification 257.8 kB
  • After compression 71.2 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 193.0 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, Serena Ali Express 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

-58%

Potential reduce by 1.6 MB

  • Original 2.8 MB
  • After minification 2.8 MB
  • After compression 1.2 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 1.6 MB or 58% of the original size.

CSS Optimization

-59%

Potential reduce by 208.5 kB

  • Original 356.2 kB
  • After minification 356.1 kB
  • After compression 147.7 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. Serena.aliexpress.com needs all CSS files to be minified and compressed as it can save up to 208.5 kB or 59% of the original size.

Requests Breakdown

Number of requests can be reduced by 68 (78%)

Requests Now

87

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Serena Ali Express. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 45 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

serena.aliexpress.com

serena.aliexpress.com

500 ms

1100500896

1100500896

448 ms

308 ms

next.min.css

next.min.css

66 ms

index.css

index.css

42 ms

index.js

index.js

47 ms

index.js

index.js

46 ms

index.js

index.js

47 ms

ae-header.css

ae-header.css

45 ms

ae-header.js

ae-header.js

54 ms

index.css

index.css

59 ms

index.js

index.js

57 ms

_cross_page_loader_.js

_cross_page_loader_.js

59 ms

register.js

register.js

57 ms

9 ms

index.js

index.js

8 ms

index.web.cmd.js

index.web.cmd.js

8 ms

14 ms

index.web.js

index.web.js

7 ms

index.web.js

index.web.js

54 ms

index.web.js

index.web.js

9 ms

index.web.js

index.web.js

21 ms

index.web.js

index.web.js

11 ms

index.web.js

index.web.js

22 ms

index.web.js

index.web.js

51 ms

index.web.js

index.web.js

17 ms

index.web.js

index.web.js

18 ms

index.web.js

index.web.js

21 ms

index.web.js

index.web.js

74 ms

gep-tracker.js

gep-tracker.js

24 ms

gep-sdk.js

gep-sdk.js

26 ms

10x10.png

10x10.png

101 ms

240x168.png

240x168.png

43 ms

65x70.gif

65x70.gif

98 ms

20x20.png

20x20.png

65 ms

29 ms

16 ms

epssw.js

epssw.js

173 ms

35 ms

et_n.js

et_n.js

157 ms

index.js

index.js

50 ms

rp

rp

2804 ms

wcfg.json

wcfg.json

3322 ms

153 ms

index.js

index.js

48 ms

et_f.js

et_f.js

64 ms

240x168.png

240x168.png

138 ms

eg.js

eg.js

3275 ms

renderPageData.htm

renderPageData.htm

411 ms

H907757fdad184e31a1b58bd6507666deo.png

H907757fdad184e31a1b58bd6507666deo.png

364 ms

mem8YaGs126MiZpBA-U1UQ.woff

mem8YaGs126MiZpBA-U1UQ.woff

361 ms

open-sans.006320aa.woff

open-sans.006320aa.woff

359 ms

mem5YaGs126MiZpBA-UNirk-Vg.woff

mem5YaGs126MiZpBA-UNirk-Vg.woff

359 ms

mem5YaGs126MiZpBA-UN7rg-Vg.woff

mem5YaGs126MiZpBA-UN7rg-Vg.woff

359 ms

H6dea52a7c0df4bd4846cec6add0060acM.png

H6dea52a7c0df4bd4846cec6add0060acM.png

362 ms

40x40.png

40x40.png

361 ms

20x20.png

20x20.png

363 ms

96x96.png

96x96.png

1545 ms

arrow-left.acf07a9d.png

arrow-left.acf07a9d.png

1838 ms

execute

execute

1035 ms

execute

execute

522 ms

274 ms

48x48.png

48x48.png

29 ms

48x48.png

48x48.png

38 ms

g.gif

g.gif

577 ms

aes.1.1

aes.1.1

1846 ms

baxiaJsonpHandler.js

baxiaJsonpHandler.js

285 ms

267 ms

aes.1.1

aes.1.1

1326 ms

info

info

1322 ms

punish:resource:template:AESpace:default_184083.html

punish:resource:template:AESpace:default_184083.html

2342 ms

app.gif

app.gif

1476 ms

1250 ms

1039 ms

801 ms

529 ms

283 ms

aes.1.1

aes.1.1

239 ms

eg.js

eg.js

234 ms

aes.1.1

aes.1.1

236 ms

aes.1.1

aes.1.1

231 ms

aes.1.1

aes.1.1

416 ms

aes.1.1

aes.1.1

422 ms

flexible.js

flexible.js

6 ms

qrcode.min.js

qrcode.min.js

7 ms

main.css

main.css

10 ms

punishpage.min.js

punishpage.min.js

13 ms

9 ms

fsp.1.1

fsp.1.1

914 ms

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

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

743 ms

index.js

index.js

253 ms

fsp.1.1

fsp.1.1

452 ms

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

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

255 ms

aes.1.1

aes.1.1

231 ms

Accessibility Review

serena.aliexpress.com accessibility score

74

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.

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

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

serena.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

serena.aliexpress.com SEO score

93

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 uses 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 Serena.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 Serena.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

serena.aliexpress.com

Open Graph description is not detected on the main page of Serena Ali Express. 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: