Report Summary

  • 96

    Performance

    Renders faster than
    94% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

sheng-xun.com

手机信号放大器-4G信号放大器-信号增强器-深圳市晟迅科技公司

Page Load Speed

82.8 sec in total

First Response

20.3 sec

Resources Loaded

62.3 sec

Page Rendered

180 ms

sheng-xun.com screenshot

About Website

Click here to check amazing Sheng Xun content. Otherwise, check out these important facts you probably never knew about sheng-xun.com

深圳市晟迅科技【手机信号放大器】直放站【厂家直销】专业产生与销售信号放大器;产品包括移动手机信号放大器,3G/4G手机信号放大器,GPS信号放大器,手机信号增强器,信号接收器等,是放大器产品质量最好的生产厂家。

Visit sheng-xun.com

Key Findings

We analyzed Sheng-xun.com page load time and found that the first response time was 20.3 sec and then it took 62.5 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. This domain responded with an error, which can significantly jeopardize Sheng-xun.com rating and web reputation Unfortunately, there were 25 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

sheng-xun.com performance score

96

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value1.7 s

99/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.058

98/100

15%

TTI (Time to Interactive)

Value1.9 s

100/100

10%

Network Requests Diagram

sheng-xun.com

20305 ms

index.html

1651 ms

uaredirect.js

929 ms

probuy.css

4129 ms

style.css

4790 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 86% of them (38 requests) were addressed to the original Sheng-xun.com, 5% (2 requests) were made to Szcert.ebs.org.cn and 5% (2 requests) were made to Pub.idqqimg.com. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain Sheng-xun.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 158.3 kB (53%)

Content Size

297.7 kB

After Optimization

139.5 kB

In fact, the total size of Sheng-xun.com main page is 297.7 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. Only 10% of websites need less resources to load. Javascripts take 136.1 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 13.1 kB

  • Original 17.6 kB
  • After minification 15.8 kB
  • After compression 4.5 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. 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 13.1 kB or 74% of the original size.

Image Optimization

-14%

Potential reduce by 13.8 kB

  • Original 98.6 kB
  • After minification 84.8 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, Sheng Xun needs image optimization as it can save up to 13.8 kB or 14% 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 95.3 kB

  • Original 136.1 kB
  • After minification 121.5 kB
  • After compression 40.8 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 95.3 kB or 70% of the original size.

CSS Optimization

-79%

Potential reduce by 36.0 kB

  • Original 45.4 kB
  • After minification 40.3 kB
  • After compression 9.4 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. Sheng-xun.com needs all CSS files to be minified and compressed as it can save up to 36.0 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (33%)

Requests Now

18

After Optimization

12

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sheng Xun. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

sheng-xun.com accessibility score

54

Accessibility Issues

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

sheng-xun.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

sheng-xun.com SEO score

82

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Sheng-xun.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 Sheng-xun.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.

Social Sharing Optimization

Open Graph description is not detected on the main page of Sheng Xun. 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: