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name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value21.5 s

0/100

25%

SI (Speed Index)

Value15.3 s

1/100

10%

TBT (Total Blocking Time)

Value2,680 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.554

13/100

15%

TTI (Time to Interactive)

Value23.4 s

1/100

10%

jsqcdz.com

1835 ms

ScrollPic.js

1317 ms

MSClass.js

1067 ms

Index.js

1627 ms

Common.css

1402 ms

Our browser made a total of 126 requests to load all elements on the main page. We found that 81% of them (102 requests) were addressed to the original Jsqcdz.com, 7% (9 requests) were made to Qiao.baidu.com and 2% (3 requests) were made to P3.qiao.baidu.com. The less responsive or slowest element that took the longest time to load (19.7 sec) belongs to the original domain Jsqcdz.com.

Content Size

3.1 MB

After Optimization

2.5 MB

In fact, the total size of Jsqcdz.com main page is 3.1 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. 35% of websites need less resources to load. Images take 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 43.1 kB

Original 55.9 kB
After minification 53.8 kB
After compression 12.7 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 43.1 kB or 77% of the original size.

Image Optimization

-11%

Potential reduce by 310.1 kB

Original 2.8 MB
After minification 2.5 MB

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, Jsqcdz needs image optimization as it can save up to 310.1 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

-71%

Potential reduce by 127.9 kB

Original 181.2 kB
After minification 158.7 kB
After compression 53.2 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 127.9 kB or 71% of the original size.

CSS Optimization

-85%

Potential reduce by 111.5 kB

Original 131.7 kB
After minification 104.4 kB
After compression 20.2 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. Jsqcdz.com needs all CSS files to be minified and compressed as it can save up to 111.5 kB or 85% of the original size.

Requests Now

121

After Optimization

The browser has sent 121 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jsqcdz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

ARIA toggle fields do not have accessible names

High

[aria-*] attributes do not have valid values

These are opportunities to improve the legibility of your content.

High

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

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

These items highlight common accessibility best practices.

High

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

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 Jsqcdz.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 Jsqcdz.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

jsqcdz.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

智慧通信系统解决方案供应商-VHF甚高频基站-AIS基站-数字集群-融合调度——江苏全创电子科技有限公司 400 666 2900

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

jsqcdz.com

ScrollPic.js

MSClass.js

Index.js

Common.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

jsqcdz.com

ScrollPic.js

MSClass.js

Index.js

Common.css

Index.css

reset.css

temp.css

style.css

JQuery.js

rollup.js

jquery-1.3.2.min.js

jquery.KinSlideshow-1.1.js

jquery.lazyload.js

stat.php

body_bg.gif

logo2.png

sch_btn.gif

11.png

121.png

20130725102051_65199.jpg

pub_top_pic.gif

PD700.jpg

PD780.jpg

x1p.jpg

PD500.jpg

PD600.jpg

P3688.jpg

M8200.jpg

M8268.jpg

MD780.jpg

tc-500.jpg

500s.jpg

tc610.jpg

tc700.jpg

TC-320.jpg

CP1200.jpg

GP328.jpg

A8.jpg

TM800.jpg

20130710201150_10217.jpg

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