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

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

nbuweldtech.en.alibaba.com

Company Overview - Ningbo Youhan Welding Technology Co., Ltd.

Page Load Speed

3.6 sec in total

First Response

100 ms

Resources Loaded

3.2 sec

Page Rendered

344 ms

nbuweldtech.en.alibaba.com screenshot

About Website

Welcome to nbuweldtech.en.alibaba.com homepage info - get ready to check Nbuweldtech En Alibaba best content for China right away, or after learning these important things about nbuweldtech.en.alibaba.com

Ningbo Youhan Welding Technology Co., Ltd. Products:Welding Torch,Heating Torch,Cutting Nozzle,Cutting Torch,Regulator

Visit nbuweldtech.en.alibaba.com

Key Findings

We analyzed Nbuweldtech.en.alibaba.com page load time and found that the first response time was 100 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

nbuweldtech.en.alibaba.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value12.0 s

0/100

25%

SI (Speed Index)

Value17.6 s

0/100

10%

TBT (Total Blocking Time)

Value6,450 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.015

100/100

15%

TTI (Time to Interactive)

Value26.1 s

0/100

10%

Network Requests Diagram

nbuweldtech.en.alibaba.com

100 ms

nbuweldtech.en.alibaba.com

351 ms

11 ms

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

277 ms

index.js

297 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Nbuweldtech.en.alibaba.com, 53% (28 requests) were made to S.alicdn.com and 13% (7 requests) were made to Sc04.alicdn.com. The less responsive or slowest element that took the longest time to load (2.7 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.5 MB (65%)

Content Size

3.8 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Nbuweldtech.en.alibaba.com main page is 3.8 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. 40% of websites need less resources to load. Javascripts take 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 516.7 kB

  • Original 621.8 kB
  • After minification 621.0 kB
  • After compression 105.2 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 516.7 kB or 83% of the original size.

Image Optimization

-2%

Potential reduce by 6.9 kB

  • Original 342.6 kB
  • After minification 335.6 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. Nbuweldtech En Alibaba images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 1.9 MB

  • Original 2.8 MB
  • After minification 2.8 MB
  • After compression 887.5 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 1.9 MB or 69% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (35%)

Requests Now

51

After Optimization

33

  • AJAX
  • Images
  • JavaScript

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nbuweldtech 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

nbuweldtech.en.alibaba.com

nbuweldtech.en.alibaba.com

100 ms

nbuweldtech.en.alibaba.com

nbuweldtech.en.alibaba.com

351 ms

11 ms

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

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

277 ms

index.js

index.js

297 ms

index.js

index.js

282 ms

renderHeader.js

renderHeader.js

302 ms

awsc.js

awsc.js

10 ms

12 ms

et_f.js

et_f.js

21 ms

um.js

um.js

22 ms

7.gif

7.gif

111 ms

wu.json

wu.json

570 ms

O1CN01kdASbu1gwr9DpPPgA_!!6000000004207-2-tps-290-296.png

O1CN01kdASbu1gwr9DpPPgA_!!6000000004207-2-tps-290-296.png

104 ms

H2e2640c733e046889b7ec3f925aec1a8A.jpg

H2e2640c733e046889b7ec3f925aec1a8A.jpg

589 ms

O1CN01eP7P8d1y1kdsWFgqQ_!!6000000006519-2-tps-1920-200.png

O1CN01eP7P8d1y1kdsWFgqQ_!!6000000006519-2-tps-1920-200.png

86 ms

PT60-Plasma-Cutter-Head-Antorcha-Para-Plasma.jpg_250x250.jpg

PT60-Plasma-Cutter-Head-Antorcha-Para-Plasma.jpg_250x250.jpg

531 ms

400-Amp-BTB-045-Air-Cooled-MIG.jpg_250x250.jpg

400-Amp-BTB-045-Air-Cooled-MIG.jpg_250x250.jpg

318 ms

500A-350A-250A-CO2-Mig-Welding-Torch.jpg_250x250.jpg

500A-350A-250A-CO2-Mig-Welding-Torch.jpg_250x250.jpg

575 ms

25AK-Welding-Gun-c-w-Euro-Fitting.jpg_250x250.jpg

25AK-Welding-Gun-c-w-Euro-Fitting.jpg_250x250.jpg

564 ms

High-Quality-Mig-MMA-Welding-Machine-Wire.jpg_250x250.jpg

High-Quality-Mig-MMA-Welding-Machine-Wire.jpg_250x250.jpg

310 ms

Uweld-Assorted-Colors-Tungsten-Electrode-Storage-Tubes.jpg_250x250.jpg

Uweld-Assorted-Colors-Tungsten-Electrode-Storage-Tubes.jpg_250x250.jpg

421 ms

Holland-type-Full-Brass-300A-500A-flexible.jpg_250x250.jpg

Holland-type-Full-Brass-300A-500A-flexible.jpg_250x250.jpg

835 ms

Arc-Welding-Electrode-Holder-Korea-Type-Electrode.jpg_250x250.jpg

Arc-Welding-Electrode-Holder-Korea-Type-Electrode.jpg_250x250.jpg

784 ms

Uweld-Binzel-CO2-Air-MIG-MAG-Welding.jpg_250x250.jpg

Uweld-Binzel-CO2-Air-MIG-MAG-Welding.jpg_250x250.jpg

890 ms

Uweld-Newest-Portable-Heating-Torch-Gun-Type.jpg_250x250.jpg

Uweld-Newest-Portable-Heating-Torch-Gun-Type.jpg_250x250.jpg

1151 ms

Gas-Torch-Welding-Cutting-Set-with-Cylinders.jpg_250x250.jpg

Gas-Torch-Welding-Cutting-Set-with-Cylinders.jpg_250x250.jpg

1009 ms

Light-Duty-Portable-Welding-Torch-Kit-with.jpg_250x250.jpg

Light-Duty-Portable-Welding-Torch-Kit-with.jpg_250x250.jpg

1094 ms

Portable-Medium-Duty-Gas-Welding-Cutting-Kit.jpg_250x250.jpg

Portable-Medium-Duty-Gas-Welding-Cutting-Kit.jpg_250x250.jpg

1320 ms

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

173 ms

Hec6e21653bf64b85bebdc45dcab3c6fcL.jpg

Hec6e21653bf64b85bebdc45dcab3c6fcL.jpg

304 ms

GCE-Style-heating-torch-soldering-brazing-torch.jpg_300x300.jpg

GCE-Style-heating-torch-soldering-brazing-torch.jpg_300x300.jpg

1277 ms

cutting-torch.jpg_720x720.jpg

cutting-torch.jpg_720x720.jpg

1432 ms

Uweld-Newest-Portable-Heating-Torch-Gun-Type.jpg_350x350.jpg

Uweld-Newest-Portable-Heating-Torch-Gun-Type.jpg_350x350.jpg

2201 ms

British-Butane-Gas-Weed-WAand-Blowtorch-British.jpg_350x350.jpg

British-Butane-Gas-Weed-WAand-Blowtorch-British.jpg_350x350.jpg

1977 ms

Butane-grass-Weed-burner-torch-for-garden.jpg_350x350.jpg

Butane-grass-Weed-burner-torch-for-garden.jpg_350x350.jpg

2676 ms

Uweld-Hottest-Gas-Heating-Torch-Wholesale-Weed.jpg_350x350.jpg

Uweld-Hottest-Gas-Heating-Torch-Wholesale-Weed.jpg_350x350.jpg

1761 ms

Gas-Torch-Welding-Cutting-Set-with-Cylinders.jpg_350x350.jpg

Gas-Torch-Welding-Cutting-Set-with-Cylinders.jpg_350x350.jpg

1794 ms

Light-Duty-Portable-Welding-Torch-Kit-with.jpg_350x350.jpg

Light-Duty-Portable-Welding-Torch-Kit-with.jpg_350x350.jpg

1794 ms

Portable-Medium-Duty-Gas-Welding-Cutting-Kit.jpg_350x350.jpg

Portable-Medium-Duty-Gas-Welding-Cutting-Kit.jpg_350x350.jpg

2334 ms

H24563d5c5fc344fbbea1a9fdce11d7338.jpg

H24563d5c5fc344fbbea1a9fdce11d7338.jpg

184 ms

Hd56309b0b3564cb3b8352d512a4faeb42.jpg

Hd56309b0b3564cb3b8352d512a4faeb42.jpg

200 ms

H5614bb77629142e2a5c2f7ff4e310748O.jpg

H5614bb77629142e2a5c2f7ff4e310748O.jpg

443 ms

H4987563e16f449ef930f45401bb9680fx.jpg

H4987563e16f449ef930f45401bb9680fx.jpg

520 ms

Ha7cc8b1ca0c147e39993223f9229170cq.jpg

Ha7cc8b1ca0c147e39993223f9229170cq.jpg

1961 ms

Hd49979295a0d41d9a57da430ebb321bde.jpg

Hd49979295a0d41d9a57da430ebb321bde.jpg

573 ms

TB13qeCOVXXXXafaVXXXXXXXXXX-1200-280.jpg

TB13qeCOVXXXXafaVXXXXXXXXXX-1200-280.jpg

215 ms

TB1k1Ive3oQMeJjy0FoXXcShVXa-1200-280.png

TB1k1Ive3oQMeJjy0FoXXcShVXa-1200-280.png

279 ms

TB1Z8vPSFXXXXXLXVXXXXXXXXXX-1519-200.png

TB1Z8vPSFXXXXXLXVXXXXXXXXXX-1519-200.png

236 ms

um.json

um.json

52 ms

getUmid.do

getUmid.do

23 ms

eg.js

eg.js

3 ms

index.js

index.js

3 ms

Accessibility Review

nbuweldtech.en.alibaba.com accessibility score

64

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

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

nbuweldtech.en.alibaba.com best practices score

58

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

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

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

nbuweldtech.en.alibaba.com SEO score

79

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

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 Nbuweldtech.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 Nbuweldtech.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

nbuweldtech.en.alibaba.com

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