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

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 44

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

jkongmotor.en.alibaba.com

Changzhou Jkongmotor Co., Ltd. - Brushless DC Motor, Linear Stepper Motor

Page Load Speed

10.7 sec in total

First Response

297 ms

Resources Loaded

10 sec

Page Rendered

429 ms

jkongmotor.en.alibaba.com screenshot

About Website

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

Changzhou Jkongmotor Co., Ltd., Experts in Manufacturing and Exporting Brushless DC Motor, Linear Stepper Motor and 434 more Products.

Visit jkongmotor.en.alibaba.com

Key Findings

We analyzed Jkongmotor.en.alibaba.com page load time and found that the first response time was 297 ms and then it took 10.4 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

jkongmotor.en.alibaba.com performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

58/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

71/100

25%

SI (Speed Index)

Value9.3 s

12/100

10%

TBT (Total Blocking Time)

Value3,790 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value23.9 s

1/100

10%

Network Requests Diagram

jkongmotor.en.alibaba.com

297 ms

jkongmotor.en.alibaba.com

394 ms

44 ms

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

27 ms

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

33 ms

Our browser made a total of 149 requests to load all elements on the main page. We found that 1% of them (2 requests) were addressed to the original Jkongmotor.en.alibaba.com, 43% (64 requests) were made to Sc04.alicdn.com and 23% (34 requests) were made to Sc02.alicdn.com. The less responsive or slowest element that took the longest time to load (9.3 sec) relates to the external source Img.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 932.5 kB (33%)

Content Size

2.8 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Jkongmotor.en.alibaba.com main page is 2.8 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. 55% of websites need less resources to load. Javascripts take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 755.1 kB

  • Original 874.2 kB
  • After minification 873.2 kB
  • After compression 119.0 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 755.1 kB or 86% of the original size.

Image Optimization

-2%

Potential reduce by 13.5 kB

  • Original 848.4 kB
  • After minification 834.9 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. Jkongmotor En Alibaba images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 163.9 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 914.3 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 163.9 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 49 (33%)

Requests Now

147

After Optimization

98

  • AJAX
  • Images
  • JavaScript

The browser has sent 147 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jkongmotor 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 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

jkongmotor.en.alibaba.com

jkongmotor.en.alibaba.com

297 ms

jkongmotor.en.alibaba.com

jkongmotor.en.alibaba.com

394 ms

44 ms

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27 ms

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33 ms

42 ms

renderHeader.js

renderHeader.js

36 ms

awsc.js

awsc.js

14 ms

13 ms

et_f.js

et_f.js

21 ms

um.js

um.js

140 ms

7.gif

7.gif

154 ms

index.js

index.js

152 ms

index.js

index.js

295 ms

wu.json

wu.json

690 ms

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119 ms

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177 ms

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378 ms

Jkongmotor-Customize-200W-400W-3000rpm-Integrated-Servo.jpg_350x350.jpg

Jkongmotor-Customize-200W-400W-3000rpm-Integrated-Servo.jpg_350x350.jpg

374 ms

Jkongmotor-0-6Nm-1-27Nm-48V-Servo.jpg_350x350.jpg

Jkongmotor-0-6Nm-1-27Nm-48V-Servo.jpg_350x350.jpg

403 ms

Jkongmotor-Pulse-RS485-CANopen-JKIDS60-P02A-48V.jpg_350x350.jpg

Jkongmotor-Pulse-RS485-CANopen-JKIDS60-P02A-48V.jpg_350x350.jpg

641 ms

Jkongmotor-24V-48V-DC-JKIDS60-Series-200W.jpg_350x350.jpg

Jkongmotor-24V-48V-DC-JKIDS60-Series-200W.jpg_350x350.jpg

374 ms

Jkongmotor-Canopen-RS485-nema24-60mm-200W-400w.jpg_350x350.jpg

Jkongmotor-Canopen-RS485-nema24-60mm-200W-400w.jpg_350x350.jpg

331 ms

Integrated-Servo-Motor-and-Driver-24VDC-60mm.jpg_350x350.jpg

Integrated-Servo-Motor-and-Driver-24VDC-60mm.jpg_350x350.jpg

375 ms

Jkongmotor-2-Phase-1-8Degree-Nema23-2.jpg_350x350.jpg

Jkongmotor-2-Phase-1-8Degree-Nema23-2.jpg_350x350.jpg

734 ms

Jkongmotor-High-quality-2-Phase-1-8Degree.jpg_350x350.jpg

Jkongmotor-High-quality-2-Phase-1-8Degree.jpg_350x350.jpg

582 ms

motor-de-passo-nema23-waterproof-IP67-agricultural.jpg_350x350.jpg

motor-de-passo-nema23-waterproof-IP67-agricultural.jpg_350x350.jpg

815 ms

Jkongmotor-NEMA17-Gearbox-500-1-42mm-Hybrid.jpg_350x350.jpg

Jkongmotor-NEMA17-Gearbox-500-1-42mm-Hybrid.jpg_350x350.jpg

736 ms

60mm-nema-24-3-1N-M-2.jpg_350x350.jpg

60mm-nema-24-3-1N-M-2.jpg_350x350.jpg

698 ms

Hybrid-stepper-motor-nema24-closed-loop-stepper.jpg_350x350.jpg

Hybrid-stepper-motor-nema24-closed-loop-stepper.jpg_350x350.jpg

910 ms

stepper-motor-nema-42-28-N-M.jpg_350x350.jpg

stepper-motor-nema-42-28-N-M.jpg_350x350.jpg

908 ms

33kg-Cm-Nema-24-High-Torque-Stepper.jpg_350x350.jpg

33kg-Cm-Nema-24-High-Torque-Stepper.jpg_350x350.jpg

1293 ms

Hybrid-1-8-degree-3-3N-m.jpg_350x350.jpg

Hybrid-1-8-degree-3-3N-m.jpg_350x350.jpg

1254 ms

85BYGH450A-78-MM-46kg-Cm-NEMA34-2.jpg_350x350.jpg

85BYGH450A-78-MM-46kg-Cm-NEMA34-2.jpg_350x350.jpg

1042 ms

Factory-Hightorque-Electric-60mm-24v-48v-Dc.jpg_350x350.jpg

Factory-Hightorque-Electric-60mm-24v-48v-Dc.jpg_350x350.jpg

1112 ms

24v-48v-3000rpm-Bldc-Motor-60mm-Brushless.jpg_350x350.jpg

24v-48v-3000rpm-Bldc-Motor-60mm-Brushless.jpg_350x350.jpg

1420 ms

Bldc-Motor-110mm-Long-Life-High-Torque.jpg_350x350.jpg

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1734 ms

Jkongmotor-New-Popular-42mm-57mm-24v-36v.jpg_350x350.jpg

Jkongmotor-New-Popular-42mm-57mm-24v-36v.jpg_350x350.jpg

1207 ms

Jkongmotor-Low-price-3000rpm-Permanent-Magnet-12v.jpg_350x350.jpg

Jkongmotor-Low-price-3000rpm-Permanent-Magnet-12v.jpg_350x350.jpg

1356 ms

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JKONGMOTOR-DC-brushless-motor-closed-loop-BLDC.jpg_350x350.jpg

1578 ms

JKM-Direct-Current-Braked-50w-to-100w.jpg_350x350.jpg

JKM-Direct-Current-Braked-50w-to-100w.jpg_350x350.jpg

1711 ms

high-quality-42mm-Brushless-dc-motor-with.jpg_350x350.jpg

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1629 ms

2-Phase-NEMA17-Linear-Stepper-Motor-324mm.jpg_350x350.jpg

2-Phase-NEMA17-Linear-Stepper-Motor-324mm.jpg_350x350.jpg

1892 ms

JKM-42-linear-T8-screw-stepping-motor.jpg_350x350.jpg

JKM-42-linear-T8-screw-stepping-motor.jpg_350x350.jpg

1652 ms

Nema-17-42STH25-1004CL200E-External-34mm-Stack.jpg_350x350.jpg

Nema-17-42STH25-1004CL200E-External-34mm-Stack.jpg_350x350.jpg

1994 ms

Jkongmotor-42-linear-T8-screw-stepping-motor.jpg_350x350.jpg

Jkongmotor-42-linear-T8-screw-stepping-motor.jpg_350x350.jpg

1794 ms

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Jkongmotor-Nema-8-11-14-17-23.jpg_350x350.jpg

1921 ms

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High-Torque-Linear-Stepper-Motor-With-Copper.jpg_350x350.jpg

2337 ms

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Linear-stepper-motor-Nema17-Electric-Motor-66oz.jpg_350x350.jpg

2158 ms

Nema-8-11-14-17-23-Lead.jpg_350x350.jpg

Nema-8-11-14-17-23-Lead.jpg_350x350.jpg

1975 ms

JKBLD300B-BLDC-Driver-for-shrimp-farming-feeders.jpg_350x350.jpg

JKBLD300B-BLDC-Driver-for-shrimp-farming-feeders.jpg_350x350.jpg

2389 ms

High-quality-hybrid-stepper-driver-stepper-motor.jpg_350x350.jpg

High-quality-hybrid-stepper-driver-stepper-motor.jpg_350x350.jpg

2223 ms

Nema42-Stepper-motor-driver-for-2A-7.jpg_350x350.jpg

Nema42-Stepper-motor-driver-for-2A-7.jpg_350x350.jpg

2251 ms

JK0220-2-Phase-Stepper-Motor-Driver-for.png_350x350.png

JK0220-2-Phase-Stepper-Motor-Driver-for.png_350x350.png

2221 ms

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125 ms

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125 ms

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465 ms

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454 ms

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502 ms

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510 ms

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484 ms

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795 ms

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460 ms

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821 ms

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895 ms

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893 ms

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884 ms

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896 ms

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1139 ms

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1166 ms

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1277 ms

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1286 ms

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1269 ms

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1376 ms

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1496 ms

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9311 ms

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1665 ms

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1648 ms

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1653 ms

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2510 ms

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1503 ms

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1919 ms

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638 ms

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295 ms

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326 ms

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318 ms

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317 ms

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354 ms

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508 ms

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729 ms

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755 ms

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556 ms

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637 ms

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671 ms

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692 ms

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792 ms

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859 ms

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1102 ms

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902 ms

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1012 ms

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1199 ms

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1033 ms

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1141 ms

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1147 ms

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1488 ms

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1184 ms

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1369 ms

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1292 ms

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1387 ms

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1462 ms

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1422 ms

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1435 ms

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1520 ms

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1561 ms

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1809 ms

baxiaCommon.js

baxiaCommon.js

114 ms

wcfg.json

wcfg.json

1169 ms

rp

rp

978 ms

JKBLD1100-Bldc-Brushless-Dc-Motor-Driver-3.jpg_350x350.jpg

JKBLD1100-Bldc-Brushless-Dc-Motor-Driver-3.jpg_350x350.jpg

2652 ms

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Digital-Brushless-DC-Motor-Driver-DC24V-48V.png_350x350.png

2175 ms

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2205 ms

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Motor-drive-controller-BLDC-JKBLD-300-for.jpg_350x350.jpg

2254 ms

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63ZYT03A-Permanent-Magnet-Brush-DC-Motor.jpg_350x350.jpg

2347 ms

52ZYT02A-DC-brush-motor-Permanent-Magnet.jpg_350x350.jpg

52ZYT02A-DC-brush-motor-Permanent-Magnet.jpg_350x350.jpg

2074 ms

China-Manufacturer-42ZYT01A-12v-24v-3000rpm-upto.jpg_350x350.jpg

China-Manufacturer-42ZYT01A-12v-24v-3000rpm-upto.jpg_350x350.jpg

2344 ms

High-Speed-24v-option-for-6v-up.jpg_350x350.jpg

High-Speed-24v-option-for-6v-up.jpg_350x350.jpg

2110 ms

um.json

um.json

56 ms

42ZYT04C-Permanent-Magnet-stepper-motor-DC-brush.jpg_350x350.jpg

42ZYT04C-Permanent-Magnet-stepper-motor-DC-brush.jpg_350x350.jpg

2152 ms

42mm-Permanent-magnet-motor-3A-42ZYT-Permanent.jpg_350x350.jpg

42mm-Permanent-magnet-motor-3A-42ZYT-Permanent.jpg_350x350.jpg

2253 ms

getUmid.do

getUmid.do

90 ms

eg.js

eg.js

3 ms

High-Speed-9500rpm-dc-brush-motor-0.jpg_350x350.jpg

High-Speed-9500rpm-dc-brush-motor-0.jpg_350x350.jpg

2387 ms

42ZYT01A-24v-Dc-Brushed-Motor-42ZYT-Brushed.jpg_350x350.jpg

42ZYT01A-24v-Dc-Brushed-Motor-42ZYT-Brushed.jpg_350x350.jpg

2133 ms

AC-servo-motor-1-5KW-6N-m.jpg_350x350.jpg

AC-servo-motor-1-5KW-6N-m.jpg_350x350.jpg

2242 ms

JKONG-80mm-220V-400W-1-27Nm-3000Rpm.jpg_350x350.jpg

JKONG-80mm-220V-400W-1-27Nm-3000Rpm.jpg_350x350.jpg

2205 ms

60mm-diameter-0-637NM-200W-3000rpm-Leadshine.jpg_350x350.jpg

60mm-diameter-0-637NM-200W-3000rpm-Leadshine.jpg_350x350.jpg

2343 ms

Jkongmotor-90ST-M0430-220V-0-75KW-3000R.jpg_350x350.jpg

Jkongmotor-90ST-M0430-220V-0-75KW-3000R.jpg_350x350.jpg

2327 ms

Siheng-CE-quality-60mm-220V-0-4kw.jpg_350x350.jpg

Siheng-CE-quality-60mm-220V-0-4kw.jpg_350x350.jpg

2356 ms

AC-servo-motor-2kW-3-phase-3000rpm.jpg_350x350.jpg

AC-servo-motor-2kW-3-phase-3000rpm.jpg_350x350.jpg

2126 ms

750W-0-75KW-2-39N-m-Ac.jpg_350x350.jpg

750W-0-75KW-2-39N-m-Ac.jpg_350x350.jpg

2159 ms

220V-1500W-3000RPM-5N-M-Three-Phase.jpg_350x350.jpg

220V-1500W-3000RPM-5N-M-Three-Phase.jpg_350x350.jpg

2054 ms

2-2kw-24000rpm-water-cooling-spindle-motor.jpg_350x350.jpg

2-2kw-24000rpm-water-cooling-spindle-motor.jpg_350x350.jpg

2129 ms

500w-ER11air-cooled-spindle-motor-48V-11000rpm.jpg_350x350.jpg

500w-ER11air-cooled-spindle-motor-48V-11000rpm.jpg_350x350.jpg

2276 ms

PX-86-Gearbox-Planetary-Gearbox-for-110MM.png_350x350.png

PX-86-Gearbox-Planetary-Gearbox-for-110MM.png_350x350.png

2121 ms

GDF46-18Z-2-2-2-2KW-air.jpg_350x350.jpg

GDF46-18Z-2-2-2-2KW-air.jpg_350x350.jpg

2123 ms

RB-Flexible-Coupling-stepper-motor-couplings.jpg_350x350.jpg

RB-Flexible-Coupling-stepper-motor-couplings.jpg_350x350.jpg

2042 ms

48V-500W-Air-Cooling-Spindle-Brushless-Motor.jpg_350x350.jpg

48V-500W-Air-Cooling-Spindle-Brushless-Motor.jpg_350x350.jpg

2107 ms

220v-380v-2-2KW-Spindle-motor-kit.jpg_350x350.jpg

220v-380v-2-2KW-Spindle-motor-kit.jpg_350x350.jpg

2115 ms

1-5kw-spindle-water-cooled-kit-ER16.jpg_350x350.jpg

1-5kw-spindle-water-cooled-kit-ER16.jpg_350x350.jpg

2283 ms

Accessibility Review

jkongmotor.en.alibaba.com accessibility score

44

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.

Best Practices

jkongmotor.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

jkongmotor.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 Jkongmotor.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 Jkongmotor.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

jkongmotor.en.alibaba.com

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