Tools & Wizards About Us
rs485.net screenshot

Report Summary

  • 73

    Performance

    Renders faster than
    83% of other websites

  • 52

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% 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

34.4 sec in total

First Response

11.3 sec

Resources Loaded

22.9 sec

Page Rendered

140 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 11.3 sec and then it took 23.1 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

rs485.net performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.0 s

100/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

40/100

25%

SI (Speed Index)

Value5.9 s

47/100

10%

TBT (Total Blocking Time)

Value200 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.083

93/100

15%

TTI (Time to Interactive)

Value5.3 s

73/100

10%

Network Requests Diagram

rs485.net

11295 ms

style.css

936 ms

loadflash.js

935 ms

logo_01.gif

3417 ms

logo_02.gif

7433 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 92% of them (33 requests) were addressed to the original Rs485.net, 6% (2 requests) were made to Count18.51yes.com and 3% (1 request) were made to 0. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Rs485.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 44.5 kB (82%)

Content Size

54.0 kB

After Optimization

9.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rs485.net main page is 54.0 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 5% of websites need less resources to load. HTML takes 49.9 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 43.4 kB

  • Original 49.9 kB
  • After minification 42.9 kB
  • After compression 6.5 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 7.0 kB, which is 14% 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 43.4 kB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 2.2 kB
  • After minification 2.2 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

-33%

Potential reduce by 96 B

  • Original 291 B
  • After minification 254 B
  • After compression 195 B

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 96 B or 33% of the original size.

CSS Optimization

-63%

Potential reduce by 1.0 kB

  • Original 1.6 kB
  • After minification 1.4 kB
  • After compression 584 B

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 1.0 kB or 63% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (42%)

Requests Now

33

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 33 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 and as a result speed up the page load time.

Network Requests Diagram

rs485.net

rs485.net

11295 ms

style.css

style.css

936 ms

loadflash.js

loadflash.js

935 ms

logo_01.gif

logo_01.gif

3417 ms

logo_02.gif

logo_02.gif

7433 ms

img_07.gif

img_07.gif

957 ms

img_09.gif

img_09.gif

969 ms

img_11.gif

img_11.gif

1424 ms

img_21.gif

img_21.gif

1445 ms

Search.gif

Search.gif

1891 ms

img_13.gif

img_13.gif

5384 ms

inputbg.gif

inputbg.gif

2353 ms

img_1.gif

img_1.gif

2817 ms

img_0002.gif

img_0002.gif

20419 ms

cd_bg.gif

cd_bg.gif

3583 ms

qyjj.gif

qyjj.gif

4523 ms

img_59.gif

img_59.gif

5459 ms

img_41.gif

img_41.gif

5383 ms

xwzx.gif

xwzx.gif

5860 ms

img_43.gif

img_43.gif

5927 ms

img_55.gif

img_55.gif

6333 ms

lxwm.gif

lxwm.gif

16457 ms

jjfa.gif

jjfa.gif

11426 ms

img_71.gif

img_71.gif

7407 ms

cktxzs.gif

cktxzs.gif

10299 ms

cpzs.gif

cpzs.gif

11831 ms

Triangle.gif

Triangle.gif

8755 ms

img_79.gif

img_79.gif

12082 ms

yqlj_bg.gif

yqlj_bg.gif

3857 ms

yqlj.gif

yqlj.gif

5685 ms

gh.jpg

gh.jpg

783 ms

db_bg.gif

db_bg.gif

3851 ms

left.gif

left.gif

4325 ms

right.gif

right.gif

4790 ms

click.aspx

click.aspx

983 ms

count1.gif

count1.gif

695 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

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

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

    GB2312

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 gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

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: