Tools & Wizards About Us
sibotech.net screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

sibotech.net

上海泗博自动化技术有限公司 Modbus PROFIBUS Modbus转PROFIBUS 工业以太网 DeviceNet CAN/CANopen HART 串口转现场总线网关 适配器

Page Load Speed

17.6 sec in total

First Response

3.8 sec

Resources Loaded

13.6 sec

Page Rendered

198 ms

sibotech.net screenshot

About Website

Click here to check amazing Sibotech content. Otherwise, check out these important facts you probably never knew about sibotech.net

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Visit sibotech.net

Key Findings

We analyzed Sibotech.net page load time and found that the first response time was 3.8 sec and then it took 13.8 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

sibotech.net performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value28.4 s

0/100

25%

SI (Speed Index)

Value15.2 s

1/100

10%

TBT (Total Blocking Time)

Value110 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value8.2 s

40/100

10%

Network Requests Diagram

sibotech.net

3768 ms

En

654 ms

2716 ms

mystyle_c.css

2052 ms

floatpic.css

1423 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 91% of them (20 requests) were addressed to the original Sibotech.net, 5% (1 request) were made to Skype.tom.com and 5% (1 request) were made to Google.com. The less responsive or slowest element that took the longest time to load (4.7 sec) belongs to the original domain Sibotech.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 76.0 kB (39%)

Content Size

193.8 kB

After Optimization

117.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sibotech.net main page is 193.8 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only 10% of websites need less resources to load. Images take 134.2 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 32.1 kB

  • Original 40.4 kB
  • After minification 32.1 kB
  • After compression 8.4 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. This page needs HTML code to be minified as it can gain 8.3 kB, which is 21% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 32.1 kB or 79% of the original size.

Image Optimization

-22%

Potential reduce by 29.1 kB

  • Original 134.2 kB
  • After minification 105.0 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, Sibotech needs image optimization as it can save up to 29.1 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-77%

Potential reduce by 9.1 kB

  • Original 11.8 kB
  • After minification 8.1 kB
  • After compression 2.7 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 9.1 kB or 77% of the original size.

CSS Optimization

-79%

Potential reduce by 5.7 kB

  • Original 7.3 kB
  • After minification 5.7 kB
  • After compression 1.5 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. Sibotech.net needs all CSS files to be minified and compressed as it can save up to 5.7 kB or 79% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

18

After Optimization

18

  • Images
  • JavaScript
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sibotech. According to our analytics all requests are already optimized.

Network Requests Diagram

sibotech.net

sibotech.net

3768 ms

En

En

654 ms

2716 ms

mystyle_c.css

mystyle_c.css

2052 ms

floatpic.css

floatpic.css

1423 ms

floatpic.js

floatpic.js

3798 ms

gregist.js

gregist.js

1314 ms

skypeCheck40.js

skypeCheck40.js

1015 ms

Logo_25wht.gif

Logo_25wht.gif

22 ms

TopBar.jpg

TopBar.jpg

577 ms

TopLog.GIF

TopLog.GIF

1807 ms

iot1.jpg

iot1.jpg

3345 ms

iot2.jpg

iot2.jpg

2846 ms

iot3.jpg

iot3.jpg

2886 ms

pd100s-title.jpg

pd100s-title.jpg

2826 ms

dn1022-title.jpg

dn1022-title.jpg

1808 ms

pm160-all.gif

pm160-all.gif

2338 ms

pco150-title.jpg

pco150-title.jpg

2341 ms

md210-title.jpg

md210-title.jpg

4670 ms

BottomIcon.jpg

BottomIcon.jpg

2867 ms

bg.bmp

bg.bmp

3331 ms

BottomBar.jpg

BottomBar.jpg

3362 ms

Accessibility Review

sibotech.net accessibility score

58

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.

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

sibotech.net best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

SEO Factors

sibotech.net SEO score

91

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sibotech.net can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Sibotech.net 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

sibotech.net

Open Graph description is not detected on the main page of Sibotech. 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: