18.5 sec in total
1.6 sec
16.7 sec
258 ms
Visit srduct.com now to see the best up-to-date Srduct content and also check out these interesting facts you probably never knew about srduct.com
青岛莱西市大正通风管道厂,山东青岛莱西市烟台南路12号,电话153-0532-3032主要生产螺旋风管,矩形风管,玻镁复合风管,酚醛复合风管的专业化厂家,风管主要适用于建筑、船舶空调及通风工程,烟台通风管道,威海通风管道,青岛通风管道,烟台螺旋风管,威海螺旋风管,青岛螺旋风管。
Visit srduct.comWe analyzed Srduct.com page load time and found that the first response time was 1.6 sec and then it took 17 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
srduct.com performance score
1570 ms
1024 ms
699 ms
2248 ms
1579 ms
Our browser made a total of 46 requests to load all elements on the main page. We found that 87% of them (40 requests) were addressed to the original Srduct.com, 2% (1 request) were made to S20.cnzz.com and 2% (1 request) were made to Oz.cnzz.com. The less responsive or slowest element that took the longest time to load (14.5 sec) belongs to the original domain Srduct.com.
Page size can be reduced by 199.0 kB (48%)
412.7 kB
213.6 kB
In fact, the total size of Srduct.com main page is 412.7 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. 15% of websites need less resources to load. Images take 335.0 kB which makes up the majority of the site volume.
Potential reduce by 22.3 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 22.3 kB or 80% of the original size.
Potential reduce by 137.2 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. Obviously, Srduct needs image optimization as it can save up to 137.2 kB or 41% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 6.9 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 6.9 kB or 64% of the original size.
Potential reduce by 32.7 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. Srduct.com needs all CSS files to be minified and compressed as it can save up to 32.7 kB or 84% of the original size.
Number of requests can be reduced by 6 (14%)
42
36
The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Srduct. 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.
srduct.com
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srduct.com accessibility score
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
Document doesn't have a <title> element
<frame> or <iframe> elements do not have a title
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
srduct.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
srduct.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Document doesn't have a <title> element
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
ZH
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Srduct.com 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 Srduct.com 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.
srduct.com
Open Graph description is not detected on the main page of Srduct. 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: