Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

sdsenfeng.glass.com.cn

济南森峰科技有限公司-雕刻机,激光雕刻机,玻璃雕刻机

Page Load Speed

23.7 sec in total

First Response

659 ms

Resources Loaded

22.8 sec

Page Rendered

204 ms

sdsenfeng.glass.com.cn screenshot

About Website

Click here to check amazing Sdsenfeng Glass content for China. Otherwise, check out these important facts you probably never knew about sdsenfeng.glass.com.cn

济南森峰科技有限公司主营雕刻机,激光雕刻机,玻璃雕刻机;济南森峰科技有限公司,从事行业:玻璃生产设备//切割机玻璃生产设备//玻璃机械玻璃生产设备//玻璃印花设备玻璃生产设备//玻璃雕刻机玻璃生产设备//刻绘机,经营模式:生产型+进出口商,办公地点:山东 济南 济南市,电话:86-531-88739779-,联系人:杜先生,济南森峰雕刻机有限公司位于国内知名重工业城——济南...

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Key Findings

We analyzed Sdsenfeng.glass.com.cn page load time and found that the first response time was 659 ms and then it took 23 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. 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.

Performance Metrics

sdsenfeng.glass.com.cn performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value15.0 s

1/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value7.7 s

46/100

10%

Network Requests Diagram

sdsenfeng.glass.com.cn

659 ms

sdsenfeng.glass.com.cn

1001 ms

index.css

1063 ms

free20120910.css

971 ms

jquery-1.8.3.min.js

1523 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Sdsenfeng.glass.com.cn, 43% (16 requests) were made to Meta.glass.com.cn and 30% (11 requests) were made to Images.glass.com.cn. The less responsive or slowest element that took the longest time to load (19.6 sec) relates to the external source Zz.bdstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 139.4 kB (12%)

Content Size

1.2 MB

After Optimization

1.1 MB

In fact, the total size of Sdsenfeng.glass.com.cn main page is 1.2 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. 20% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 17.4 kB

  • Original 23.6 kB
  • After minification 23.0 kB
  • After compression 6.2 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 17.4 kB or 74% of the original size.

Image Optimization

-11%

Potential reduce by 118.8 kB

  • Original 1.1 MB
  • After minification 985.1 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, Sdsenfeng Glass needs image optimization as it can save up to 118.8 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

-2%

Potential reduce by 879 B

  • Original 53.4 kB
  • After minification 53.4 kB
  • After compression 52.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-20%

Potential reduce by 2.3 kB

  • Original 11.7 kB
  • After minification 11.7 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. Sdsenfeng.glass.com.cn needs all CSS files to be minified and compressed as it can save up to 2.3 kB or 20% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (16%)

Requests Now

32

After Optimization

27

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sdsenfeng Glass. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

sdsenfeng.glass.com.cn accessibility score

76

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

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

sdsenfeng.glass.com.cn best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

sdsenfeng.glass.com.cn SEO score

100

Search Engine Optimization Advices

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

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 Sdsenfeng.glass.com.cn 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 Sdsenfeng.glass.com.cn 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 Sdsenfeng Glass. 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: