Tools & Wizards About Us
vevor888.en.alibaba.com screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 42

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

vevor888.en.alibaba.com

Company Overview - Shanghai Sihao Machinery Equipment Co., Ltd.

Page Load Speed

6.4 sec in total

First Response

1.8 sec

Resources Loaded

4 sec

Page Rendered

617 ms

vevor888.en.alibaba.com screenshot

About Website

Click here to check amazing Vevor 888 En Alibaba content for China. Otherwise, check out these important facts you probably never knew about vevor888.en.alibaba.com

Shanghai Sihao Machinery Equipment Co., Ltd. Products:Laser Engraving Machine; CO2 Laser Cutting Machine; Laser Marking Machine

Visit vevor888.en.alibaba.com

Key Findings

We analyzed Vevor888.en.alibaba.com page load time and found that the first response time was 1.8 sec and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

vevor888.en.alibaba.com performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

69/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

82/100

25%

SI (Speed Index)

Value7.5 s

27/100

10%

TBT (Total Blocking Time)

Value5,030 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.166

71/100

15%

TTI (Time to Interactive)

Value24.4 s

0/100

10%

Network Requests Diagram

vevor888.en.alibaba.com

1787 ms

vevor888.en.alibaba.com

237 ms

63 ms

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

76 ms

O1CN01Xt4rje1w9QKVzNB6S_!!6000000006265-2-tps-3084-90.png

183 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Vevor888.en.alibaba.com, 38% (23 requests) were made to Sc04.alicdn.com and 21% (13 requests) were made to S.alicdn.com. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Sc04.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 851.6 kB (32%)

Content Size

2.7 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Vevor888.en.alibaba.com main page is 2.7 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. 75% 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 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 395.1 kB

  • Original 488.8 kB
  • After minification 488.0 kB
  • After compression 93.8 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 395.1 kB or 81% of the original size.

Image Optimization

-8%

Potential reduce by 65.8 kB

  • Original 858.7 kB
  • After minification 792.9 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. Vevor 888 En Alibaba images are well optimized though.

JavaScript Optimization

-30%

Potential reduce by 390.7 kB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 928.5 kB

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 390.7 kB or 30% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (34%)

Requests Now

59

After Optimization

39

  • AJAX
  • Images
  • JavaScript

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vevor 888 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 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

vevor888.en.alibaba.com

vevor888.en.alibaba.com

1787 ms

vevor888.en.alibaba.com

vevor888.en.alibaba.com

237 ms

63 ms

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

76 ms

O1CN01Xt4rje1w9QKVzNB6S_!!6000000006265-2-tps-3084-90.png

O1CN01Xt4rje1w9QKVzNB6S_!!6000000006265-2-tps-3084-90.png

183 ms

index.js

index.js

114 ms

index.js

index.js

76 ms

renderHeader.js

renderHeader.js

94 ms

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93 ms

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377 ms

awsc.js

awsc.js

117 ms

48 ms

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414 ms

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52 ms

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52 ms

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52 ms

SIHAO-EU-US-Warehouse-7050-80W-Acrylic.png_350x350.png

SIHAO-EU-US-Warehouse-7050-80W-Acrylic.png_350x350.png

629 ms

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46 ms

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65 ms

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52 ms

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66 ms

Vevor-New-AI-SIHAO-1490-130W-CO2.jpg_350x350.jpg

Vevor-New-AI-SIHAO-1490-130W-CO2.jpg_350x350.jpg

525 ms

Vevor-6040-80w-100w-co2-laser-cutting.jpg_350x350.jpg

Vevor-6040-80w-100w-co2-laser-cutting.jpg_350x350.jpg

351 ms

Vevor-80w-100W-130w-150w-9060-CO2.jpg_350x350.jpg

Vevor-80w-100W-130w-150w-9060-CO2.jpg_350x350.jpg

418 ms

Vevor-SIHAO-KH-7050-Red-light-assist.jpg_350x350.jpg

Vevor-SIHAO-KH-7050-Red-light-assist.jpg_350x350.jpg

706 ms

Vevor-700-500mm-80w-glass-laser-engraving.png_350x350.png

Vevor-700-500mm-80w-glass-laser-engraving.png_350x350.png

479 ms

Vevor-sihao-new-20W-30W-50W-100W.jpg_350x350.jpg

Vevor-sihao-new-20W-30W-50W-100W.jpg_350x350.jpg

436 ms

SIHAO-Aluminum-material-Fiber-Laser-Engraver-20W.jpg_350x350.jpg

SIHAO-Aluminum-material-Fiber-Laser-Engraver-20W.jpg_350x350.jpg

934 ms

Global-Hot-sale-8000mm-s-20W-Fiber.jpg_350x350.jpg

Global-Hot-sale-8000mm-s-20W-Fiber.jpg_350x350.jpg

1084 ms

Acrylic-stone-co2-laser-cutting-machine-cnc.jpg_350x350.jpg

Acrylic-stone-co2-laser-cutting-machine-cnc.jpg_350x350.jpg

1128 ms

Vevor-CO2-Laser-Sihao-60w-80W-100w.jpg_350x350.jpg

Vevor-CO2-Laser-Sihao-60w-80W-100w.jpg_350x350.jpg

678 ms

Vevor-High-Quality-New-6040-80w-100w.jpg_350x350.jpg

Vevor-High-Quality-New-6040-80w-100w.jpg_350x350.jpg

1028 ms

Vevor-SIHAO-KH-7050-Red-light-assist.jpg_350x350.jpg

Vevor-SIHAO-KH-7050-Red-light-assist.jpg_350x350.jpg

1206 ms

4060-9060-1080-50W-60W-80W-100W.jpg_350x350.jpg

4060-9060-1080-50W-60W-80W-100W.jpg_350x350.jpg

1210 ms

Vevor-High-quality-Best-price-4060-9060.jpg_350x350.jpg

Vevor-High-quality-Best-price-4060-9060.jpg_350x350.jpg

1083 ms

Vevor-Updated-New-1490-100w-Engraver-Engraving.jpg_350x350.jpg

Vevor-Updated-New-1490-100w-Engraver-Engraving.jpg_350x350.jpg

1451 ms

SIHAO-Updated-New-1490-100W-130W-laser.png_350x350.png

SIHAO-Updated-New-1490-100W-130W-laser.png_350x350.png

1571 ms

7050-80w-100w-130w-laser-engraver-leather.png_350x350.png

7050-80w-100w-130w-laser-engraver-leather.png_350x350.png

1682 ms

Vevor-SIHAO-6040-1500W-5-axis-CNC.jpg_350x350.jpg

Vevor-SIHAO-6040-1500W-5-axis-CNC.jpg_350x350.jpg

1647 ms

1325-CO2-laser-engraver-acrylic-150W-crystal.jpg_350x350.jpg

1325-CO2-laser-engraver-acrylic-150W-crystal.jpg_350x350.jpg

1548 ms

Vevor-SIHAO-1530-For-stainless-steel-metal.jpg_350x350.jpg

Vevor-SIHAO-1530-For-stainless-steel-metal.jpg_350x350.jpg

1246 ms

1000w-1500w-2kw-3KW-6KW-8KW-fiber.jpg_350x350.jpg

1000w-1500w-2kw-3KW-6KW-8KW-fiber.jpg_350x350.jpg

1783 ms

Vevor-Best-Sell-1000w-1500w-2kw-3KW.jpg_350x350.jpg

Vevor-Best-Sell-1000w-1500w-2kw-3KW.jpg_350x350.jpg

1909 ms

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454 ms

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313 ms

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593 ms

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864 ms

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707 ms

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874 ms

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1049 ms

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1367 ms

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833 ms

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1270 ms

7.gif

7.gif

41 ms

et_n.js

et_n.js

7 ms

um.js

um.js

125 ms

wu.json

wu.json

562 ms

um.json

um.json

55 ms

getUmid.do

getUmid.do

35 ms

eg.js

eg.js

3 ms

index.js

index.js

3 ms

Accessibility Review

vevor888.en.alibaba.com accessibility score

42

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

vevor888.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

vevor888.en.alibaba.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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vevor888.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 Vevor888.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

vevor888.en.alibaba.com

Open Graph data is detected on the main page of Vevor 888 En Alibaba. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: