Access dt.shejis.com. 阿里云万网虚机IP访问报错提示

First Response

3.4 sec

Resources Loaded

45.5 sec

Page Rendered

235 ms

dt.shejis.com screenshot

About Website

Visit dt.shejis.com now to see the best up-to-date Dt Shejis content for United States and also check out these interesting facts you probably never knew about dt.shejis.com

电梯资讯服务领域的专业电梯网，赛尔电梯商务网，为电梯采购方提供，电梯供应信息、产品信息查询，为企业提供电梯市场资讯、行业动态、专访报道，为技术人员提供电梯调试资料，电梯技术论坛。

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Key Findings

We analyzed Dt.shejis.com page load time and found that the first response time was 3.4 sec and then it took 45.8 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 were 9 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

dt.shejis.com

3352 ms

sy_dt.css

579 ms

ej_dt.css

706 ms

sj_dt.css

718 ms

dt_css.css

2111 ms

Our browser made a total of 206 requests to load all elements on the main page. We found that 31% of them (63 requests) were addressed to the original Dt.shejis.com, 31% (64 requests) were made to Shejis.com and 14% (28 requests) were made to China-apt.com. The less responsive or slowest element that took the longest time to load (19.7 sec) relates to the external source S.chinavvvf.com.

Content Size

5.7 MB

After Optimization

4.4 MB

In fact, the total size of Dt.shejis.com main page is 5.7 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. 40% of websites need less resources to load. Images take 4.7 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 129.7 kB

Original 150.8 kB
After minification 130.8 kB
After compression 21.1 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 20.0 kB, which is 13% 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 129.7 kB or 86% of the original size.

Image Optimization

-11%

Potential reduce by 526.0 kB

Original 4.7 MB
After minification 4.1 MB

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, Dt Shejis needs image optimization as it can save up to 526.0 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 520.1 kB

Original 747.4 kB
After minification 662.2 kB
After compression 227.3 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 520.1 kB or 70% of the original size.

CSS Optimization

-80%

Potential reduce by 106.6 kB

Original 133.7 kB
After minification 119.8 kB
After compression 27.1 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. Dt.shejis.com needs all CSS files to be minified and compressed as it can save up to 106.6 kB or 80% of the original size.

Requests Now

189

After Optimization

131

The browser has sent 189 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dt Shejis. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Language and Encoding

Language Detected

N/A
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dt.shejis.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Dt.shejis.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

dt.shejis.com

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