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

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 40

    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

comnavtech.en.alibaba.com

Company Overview - Comnav Technology Ltd.

Page Load Speed

6.2 sec in total

First Response

577 ms

Resources Loaded

5.4 sec

Page Rendered

218 ms

comnavtech.en.alibaba.com screenshot

About Website

Visit comnavtech.en.alibaba.com now to see the best up-to-date Comnav Tech En Alibaba content for China and also check out these interesting facts you probably never knew about comnavtech.en.alibaba.com

Comnav Technology Ltd. Products:GNSS Receiver,GNSS OEM Board,Surverying Accessories,GNSS Antenna

Visit comnavtech.en.alibaba.com

Key Findings

We analyzed Comnavtech.en.alibaba.com page load time and found that the first response time was 577 ms and then it took 5.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

comnavtech.en.alibaba.com performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

22/100

25%

SI (Speed Index)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value3,410 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.021

100/100

15%

TTI (Time to Interactive)

Value22.3 s

1/100

10%

Network Requests Diagram

comnavtech.en.alibaba.com

577 ms

comnavtech.en.alibaba.com

219 ms

21 ms

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

280 ms

index.js

309 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Comnavtech.en.alibaba.com, 57% (28 requests) were made to S.alicdn.com and 6% (3 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (4.5 sec) relates to the external source Sc04.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 963.0 kB (40%)

Content Size

2.4 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Comnavtech.en.alibaba.com main page is 2.4 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. 45% of websites need less resources to load. Javascripts take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 336.1 kB

  • Original 420.7 kB
  • After minification 420.1 kB
  • After compression 84.6 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 336.1 kB or 80% of the original size.

Image Optimization

-2%

Potential reduce by 6.5 kB

  • Original 418.8 kB
  • After minification 412.4 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. Comnav Tech En Alibaba images are well optimized though.

JavaScript Optimization

-40%

Potential reduce by 620.5 kB

  • Original 1.5 MB
  • After minification 1.5 MB
  • After compression 929.1 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 620.5 kB or 40% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (38%)

Requests Now

47

After Optimization

29

  • AJAX
  • Images
  • JavaScript

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Comnav Tech 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

comnavtech.en.alibaba.com

comnavtech.en.alibaba.com

577 ms

comnavtech.en.alibaba.com

comnavtech.en.alibaba.com

219 ms

21 ms

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

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

280 ms

index.js

index.js

309 ms

index.js

index.js

289 ms

renderHeader.js

renderHeader.js

314 ms

Haaa6cc4538784297a8a89089e51d315bY.jpg

Haaa6cc4538784297a8a89089e51d315bY.jpg

294 ms

H9dc60ae65196452da2bfd963c3fa9ea92.jpg

H9dc60ae65196452da2bfd963c3fa9ea92.jpg

315 ms

H1c72b0963275428faa6f3b8c674d3b31p.jpg

H1c72b0963275428faa6f3b8c674d3b31p.jpg

303 ms

awsc.js

awsc.js

272 ms

5 ms

7.gif

7.gif

16 ms

HTB1pudGNVXXXXcZXFXXq6xXFXXX1.jpg

HTB1pudGNVXXXXcZXFXXq6xXFXXX1.jpg

632 ms

GNSS-OEM-high-accuracy-module-board-dual.jpg_250x250.jpg

GNSS-OEM-high-accuracy-module-board-dual.jpg_250x250.jpg

735 ms

K803-GNSS-OEM-module-high-accuracy-positioning.jpg_250x250.jpg

K803-GNSS-OEM-module-high-accuracy-positioning.jpg_250x250.jpg

833 ms

GNSS-Modules-Evalution-Kit.jpg_250x250.jpg

GNSS-Modules-Evalution-Kit.jpg_250x250.jpg

574 ms

ComNav-SinoGNSS-High-Accuracy-K708-GNSS-OEM.jpg_250x250.jpg

ComNav-SinoGNSS-High-Accuracy-K708-GNSS-OEM.jpg_250x250.jpg

688 ms

SinoGNSS-K726-GNSS-RTK-Board-for-UAV.jpg_250x250.jpg

SinoGNSS-K726-GNSS-RTK-Board-for-UAV.jpg_250x250.jpg

924 ms

GNSS-RTK-receiver-full-constellation-IMU-high.jpg_250x250.jpg

GNSS-RTK-receiver-full-constellation-IMU-high.jpg_250x250.jpg

604 ms

GNSS-GPS-RTK-receiver-full-constellation-IMU.png_250x250.jpg

GNSS-GPS-RTK-receiver-full-constellation-IMU.png_250x250.jpg

1733 ms

GNSS-receiver-full-constellation-IMU-6800mAh-battery.png_250x250.jpg

GNSS-receiver-full-constellation-IMU-6800mAh-battery.png_250x250.jpg

2063 ms

Hot-selling-Surveying-Instruments-ComNav-T300-GNSS.jpg_250x250.jpg

Hot-selling-Surveying-Instruments-ComNav-T300-GNSS.jpg_250x250.jpg

2315 ms

2000mAh-up-to-8-hours-work-survey.jpg_250x250.jpg

2000mAh-up-to-8-hours-work-survey.jpg_250x250.jpg

1376 ms

ComNav-SinoGNSS-OEM-M300-Pro-GNSS-RTK.jpg_250x250.jpg

ComNav-SinoGNSS-OEM-M300-Pro-GNSS-RTK.jpg_250x250.jpg

1318 ms

ComNav-SinoGNSS-AT330-GPS-GNSS-Antenna-for.jpg_250x250.jpg

ComNav-SinoGNSS-AT330-GPS-GNSS-Antenna-for.jpg_250x250.jpg

1467 ms

SinoGNSS-ComNav-AT190-GPS-Antenna-with-GPS.jpg_250x250.jpg

SinoGNSS-ComNav-AT190-GPS-Antenna-with-GPS.jpg_250x250.jpg

1795 ms

TB1k1Ive3oQMeJjy0FoXXcShVXa-1200-280.png

TB1k1Ive3oQMeJjy0FoXXcShVXa-1200-280.png

176 ms

no-video-large.png

no-video-large.png

369 ms

He3a619829c784afea800cdfcab4521c9K.jpg

He3a619829c784afea800cdfcab4521c9K.jpg

4452 ms

Hf1f29e78417542ea95c627848bb63608w.jpg

Hf1f29e78417542ea95c627848bb63608w.jpg

3936 ms

He3c9101bc0644cd7b86e8a32fae07a4bA.jpg

He3c9101bc0644cd7b86e8a32fae07a4bA.jpg

4035 ms

SinoGNSS-ComNav-CDC-NET-GNSS-GPS-Software.jpg_250x250.jpg

SinoGNSS-ComNav-CDC-NET-GNSS-GPS-Software.jpg_250x250.jpg

1813 ms

Carlson-SurvCE-GNSS-GPS-Software-for-Land.jpg_250x250.jpg

Carlson-SurvCE-GNSS-GPS-Software-for-Land.jpg_250x250.jpg

2151 ms

GNSS-OEM-high-accuracy-module-board-dual.jpg_480x480.jpg

GNSS-OEM-high-accuracy-module-board-dual.jpg_480x480.jpg

2283 ms

K803-GNSS-OEM-module-high-accuracy-positioning.jpg_350x350.jpg

K803-GNSS-OEM-module-high-accuracy-positioning.jpg_350x350.jpg

2545 ms

GNSS-RTK-receiver-full-constellation-IMU-high.jpg_480x480.jpg

GNSS-RTK-receiver-full-constellation-IMU-high.jpg_480x480.jpg

2129 ms

GNSS-GPS-RTK-receiver-full-constellation-IMU.png_350x350.jpg

GNSS-GPS-RTK-receiver-full-constellation-IMU.png_350x350.jpg

3229 ms

GNSS-Modules-Evalution-Kit.jpg_350x350.jpg

GNSS-Modules-Evalution-Kit.jpg_350x350.jpg

2565 ms

Hot-selling-Surveying-Instruments-ComNav-T300-GNSS.jpg_350x350.jpg

Hot-selling-Surveying-Instruments-ComNav-T300-GNSS.jpg_350x350.jpg

2547 ms

TB1Z8vPSFXXXXXLXVXXXXXXXXXX-1519-200.png

TB1Z8vPSFXXXXXLXVXXXXXXXXXX-1519-200.png

214 ms

TB139qIiv2H8KJjy0FcXXaDlFXa-1000-600.jpg

TB139qIiv2H8KJjy0FcXXaDlFXa-1000-600.jpg

390 ms

et_f.js

et_f.js

40 ms

um.js

um.js

16 ms

wu.json

wu.json

547 ms

eg.js

eg.js

3 ms

um.json

um.json

57 ms

getUmid.do

getUmid.do

173 ms

index.js

index.js

124 ms

Accessibility Review

comnavtech.en.alibaba.com accessibility score

40

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

comnavtech.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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

comnavtech.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 Comnavtech.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 Comnavtech.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

comnavtech.en.alibaba.com

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