Tools & Wizards About Us
rs485.net screenshot

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 52

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 46

    SEO

    Google-friendlier than
    18% of websites

rs485.net

永宁科技-MOXA交换机,MOXA串口卡,MOXA串口服务器,MOXA无线AP/网桥,MOXA串口转光纤,MOXA网关,MOXA路由器,宇泰交换机,宇泰串口卡,宇泰串口服务器,宇泰光纤收发器,宇泰串口转光纤,宇泰MODBUS网关,宇泰POE交换机,宇泰USB转串口,宇泰科技代理商

Page Load Speed

16.5 sec in total

First Response

677 ms

Resources Loaded

15.7 sec

Page Rendered

124 ms

rs485.net screenshot

About Website

Visit rs485.net now to see the best up-to-date Rs 485 content and also check out these interesting facts you probably never knew about rs485.net

永宁科技于2008年涉足工业通讯服务领域,代理经销的品牌有:台湾MOXA工业通讯产品,宇泰科技工业通讯产品,台湾ATEN KVM切换器,海康科技KVM切换器,官网：www.rs485.net

Visit rs485.net

Key Findings

We analyzed Rs485.net page load time and found that the first response time was 677 ms and then it took 15.8 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

rs485.net performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

48/100

25%

SI (Speed Index)

Value9.1 s

14/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.086

93/100

15%

TTI (Time to Interactive)

Value4.6 s

81/100

10%

Network Requests Diagram

rs485.net

677 ms

rs485.net

878 ms

www.rs485.net

1177 ms

index.css

194 ms

flexslider.css

388 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 72% of them (34 requests) were addressed to the original Rs485.net, 21% (10 requests) were made to Bdimg.share.baidu.com and 4% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (12.6 sec) belongs to the original domain Rs485.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 61.8 kB (18%)

Content Size

346.1 kB

After Optimization

284.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rs485.net main page is 346.1 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. 30% of websites need less resources to load. Images take 189.0 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 48.8 kB

  • Original 57.2 kB
  • After minification 41.8 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 15.4 kB, which is 27% 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 48.8 kB or 85% of the original size.

Image Optimization

-3%

Potential reduce by 6.2 kB

  • Original 189.0 kB
  • After minification 182.8 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. Rs 485 images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 5.4 kB

  • Original 94.1 kB
  • After minification 94.1 kB
  • After compression 88.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-24%

Potential reduce by 1.4 kB

  • Original 5.8 kB
  • After minification 5.8 kB
  • After compression 4.4 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. Rs485.net needs all CSS files to be minified and compressed as it can save up to 1.4 kB or 24% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (29%)

Requests Now

42

After Optimization

30

  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rs 485. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

rs485.net

rs485.net

677 ms

rs485.net

rs485.net

878 ms

www.rs485.net

www.rs485.net

1177 ms

index.css

index.css

194 ms

flexslider.css

flexslider.css

388 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

774 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

640 ms

common.js

common.js

639 ms

hm.js

hm.js

1055 ms

ghs.png

ghs.png

236 ms

08.jpg

08.jpg

485 ms

02.png

02.png

271 ms

icon.png

icon.png

447 ms

er.jpg

er.jpg

448 ms

icon_close.png

icon_close.png

486 ms

logo.png

logo.png

578 ms

62ec89f62143f.jpg

62ec89f62143f.jpg

596 ms

62ec8a046c99e.jpg

62ec8a046c99e.jpg

642 ms

62ec8895c4f05.jpg

62ec8895c4f05.jpg

644 ms

62ec8a17455a0.jpg

62ec8a17455a0.jpg

699 ms

62ec8a263efd4.jpg

62ec8a263efd4.jpg

700 ms

6614d0007b48b.jpg

6614d0007b48b.jpg

771 ms

6614e56f02733.jpg

6614e56f02733.jpg

789 ms

6614d049e4b42.jpg

6614d049e4b42.jpg

838 ms

6614e59051a75.jpg

6614e59051a75.jpg

840 ms

6614d0704d82a.jpg

6614d0704d82a.jpg

913 ms

6614d07f103e6.jpg

6614d07f103e6.jpg

916 ms

6614d08be0475.jpg

6614d08be0475.jpg

963 ms

6614e57ce59e9.jpg

6614e57ce59e9.jpg

982 ms

6614d0b7bc139.jpg

6614d0b7bc139.jpg

1033 ms

share.js

share.js

739 ms

search.png

search.png

1015 ms

nav_bg1.png

nav_bg1.png

1107 ms

nav_bg.png

nav_bg.png

1110 ms

video.mp4

video.mp4

12569 ms

tit_icon.gif

tit_icon.gif

1155 ms

ico.png

ico.png

1209 ms

slide_api.js

slide_api.js

251 ms

slide_view.js

slide_view.js

523 ms

select_api.js

select_api.js

542 ms

select_view.js

select_view.js

509 ms

tangram.js

tangram.js

474 ms

api_base.js

api_base.js

492 ms

hm.gif

hm.gif

344 ms

view_base.js

view_base.js

299 ms

slide_share.css

slide_share.css

286 ms

logger.js

logger.js

260 ms

Accessibility Review

rs485.net accessibility score

52

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

rs485.net best practices score

50

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

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

rs485.net SEO score

46

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rs485.net can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Rs485.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

rs485.net

Open Graph description is not detected on the main page of Rs 485. 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: