Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 43

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 42

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

jsaet.com

爱游戏全站(中国)官方网站 - IOS/Android通用版/手机app下载

Page Load Speed

24.5 sec in total

First Response

714 ms

Resources Loaded

23.6 sec

Page Rendered

171 ms

About Website

Click here to check amazing Jsaet content. Otherwise, check out these important facts you probably never knew about jsaet.com

爱游戏全站登陆(www.jsaet.com)爱游戏全站登陆主营业务包括:铝土矿资源勘探和开采;氧化铝、原铝、铝合金、炭素生产和销售以及相关技术开发、ayx爱游戏全站技术服务;发电业务;煤炭资源勘探、开采和经营;贸易、物流和采购业务等。ayx爱游戏官网是国家级企业技术中心,自主研发了铝土矿、氧化铝、精细氧化铝、电解铝等一大批代表性科技成果,主导制(修)订一大批国家和行业标准,引领了行业标准和技术进步...

Visit jsaet.com

Key Findings

We analyzed Jsaet.com page load time and found that the first response time was 714 ms and then it took 23.8 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 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

jsaet.com performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.6 s

2/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value790 ms

37/100

30%

CLS (Cumulative Layout Shift)

Value0.786

5/100

15%

TTI (Time to Interactive)

Value17.2 s

4/100

10%

Network Requests Diagram

jsaet.com

714 ms

jsaet.com

1870 ms

ms.js

927 ms

idangerous.swiper.css

221 ms

base.css

442 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 73% of them (33 requests) were addressed to the original Jsaet.com, 9% (4 requests) were made to Hq.sinajs.cn and 4% (2 requests) were made to Firefoxsport.com. The less responsive or slowest element that took the longest time to load (19.9 sec) belongs to the original domain Jsaet.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 107.0 kB (14%)

Content Size

784.2 kB

After Optimization

677.2 kB

In fact, the total size of Jsaet.com main page is 784.2 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. 25% of websites need less resources to load. Images take 629.6 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 46.7 kB

  • Original 53.0 kB
  • After minification 28.7 kB
  • After compression 6.3 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. This page needs HTML code to be minified as it can gain 24.3 kB, which is 46% 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 46.7 kB or 88% of the original size.

Image Optimization

-7%

Potential reduce by 43.2 kB

  • Original 629.6 kB
  • After minification 586.4 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. Jsaet images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 13.9 kB

  • Original 88.8 kB
  • After minification 88.7 kB
  • After compression 74.9 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 13.9 kB or 16% of the original size.

CSS Optimization

-25%

Potential reduce by 3.2 kB

  • Original 12.8 kB
  • After minification 12.8 kB
  • After compression 9.6 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. Jsaet.com needs all CSS files to be minified and compressed as it can save up to 3.2 kB or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (46%)

Requests Now

37

After Optimization

20

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jsaet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

jsaet.com accessibility score

43

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

jsaet.com best practices score

42

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

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

jsaet.com SEO score

58

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jsaet.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 Jsaet.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

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