16.7 sec in total
412 ms
14.4 sec
2 sec
Visit szhaiwang.com now to see the best up-to-date Sz Hai Wang content and also check out these interesting facts you probably never knew about szhaiwang.com
ShenZhen HaiWang Sensor Co., Ltd. are specialized in developing, manufacturing and export of human detecting components, infrared/microwave modules and other sensitive components
Visit szhaiwang.comWe analyzed Szhaiwang.com page load time and found that the first response time was 412 ms and then it took 16.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
szhaiwang.com performance score
name
value
score
weighting
Value4.3 s
18/100
10%
Value7.8 s
3/100
25%
Value20.7 s
0/100
10%
Value190 ms
90/100
30%
Value0.192
64/100
15%
Value7.8 s
45/100
10%
412 ms
1445 ms
74 ms
146 ms
208 ms
Our browser made a total of 85 requests to load all elements on the main page. We found that 98% of them (83 requests) were addressed to the original Szhaiwang.com, 1% (1 request) were made to Googletagmanager.com and 1% (1 request) were made to . The less responsive or slowest element that took the longest time to load (12.1 sec) belongs to the original domain Szhaiwang.com.
Page size can be reduced by 168.1 kB (2%)
7.2 MB
7.1 MB
In fact, the total size of Szhaiwang.com main page is 7.2 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. 50% of websites need less resources to load. Images take 7.1 MB which makes up the majority of the site volume.
Potential reduce by 43.6 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 15.1 kB, which is 30% 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 43.6 kB or 87% of the original size.
Potential reduce by 122.4 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. Sz Hai Wang images are well optimized though.
Potential reduce by 105 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. This website has mostly compressed JavaScripts.
Potential reduce by 2.0 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. Szhaiwang.com has all CSS files already compressed.
Number of requests can be reduced by 11 (13%)
82
71
The browser has sent 82 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sz Hai Wang. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
szhaiwang.com
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szhaiwang.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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
szhaiwang.com 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
Page has valid source maps
szhaiwang.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Szhaiwang.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Szhaiwang.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.
szhaiwang.com
Open Graph description is not detected on the main page of Sz Hai Wang. 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: