34.4 sec in total
11.3 sec
22.9 sec
140 ms
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.netWe 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 a poor result, as 95% 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.
rs485.net performance score
name
value
score
weighting
Value1.0 s
100/100
10%
Value4.4 s
40/100
25%
Value5.9 s
47/100
10%
Value200 ms
89/100
30%
Value0.083
93/100
15%
Value5.3 s
73/100
10%
11295 ms
936 ms
935 ms
3417 ms
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 size can be reduced by 44.5 kB (82%)
54.0 kB
9.5 kB
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.
Potential reduce by 43.4 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 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.
Potential reduce by 0 B
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.
Potential reduce by 96 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.
Potential reduce by 1.0 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 1.0 kB or 63% of the original size.
Number of requests can be reduced by 14 (42%)
33
19
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.
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rs485.net accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[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
<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
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
rs485.net best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
rs485.net SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
ZH
N/A
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.
{{og_description}}
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: