Access pcsj.com.cn. 上海品诚 | 卓越PC 问道品诚 - PC板_阻燃PC_PC玻璃_耐力板_阳光板

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value10.8 s

0/100

25%

SI (Speed Index)

Value19.6 s

0/100

10%

TBT (Total Blocking Time)

Value300 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0.571

12/100

15%

TTI (Time to Interactive)

Value5.6 s

69/100

10%

pcsj.com.cn

679 ms

www.pcsj.com.cn

808 ms

style.css

194 ms

swiper.min.css

383 ms

odometer-theme-default.css

382 ms

Our browser made a total of 123 requests to load all elements on the main page. We found that 97% of them (119 requests) were addressed to the original Pcsj.com.cn, 2% (2 requests) were made to Wt.zoosnet.net and 2% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain Pcsj.com.cn.

Content Size

16.2 MB

After Optimization

14.4 MB

In fact, the total size of Pcsj.com.cn main page is 16.2 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 16.1 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 52.6 kB

Original 59.9 kB
After minification 40.2 kB
After compression 7.3 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 19.7 kB, which is 33% 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 52.6 kB or 88% of the original size.

Image Optimization

-11%

Potential reduce by 1.8 MB

Original 16.1 MB
After minification 14.4 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, Pcsj needs image optimization as it can save up to 1.8 MB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-9%

Potential reduce by 1.1 kB

Original 11.6 kB
After minification 11.6 kB
After compression 10.5 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. Pcsj.com.cn has all CSS files already compressed.

Requests Now

117

After Optimization

106

The browser has sent 117 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pcsj. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

Form elements do not have associated labels

High

Links do not have a discernible name

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

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

High

Links are not crawlable

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

ZH
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pcsj.com.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that Pcsj.com.cn 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

pcsj.com.cn

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

上海品诚 | 卓越PC 问道品诚 - PC板_阻燃PC_PC玻璃_耐力板_阳光板_聚碳酸酯改性[生产厂家]

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

pcsj.com.cn

www.pcsj.com.cn

style.css

swiper.min.css

odometer-theme-default.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

pcsj.com.cn

www.pcsj.com.cn

style.css

swiper.min.css

odometer-theme-default.css

index.css

jquery-1.9.1.min.js

script.common.js

jquery.cookie.js

common.js

swiper.min.js

odometer.js

jquery.dotdotdot.js

LsJS.aspx

online_cn3.gif

sidenav_logo.png

sidenav_menu.png

footer_qr.png

sidenav_icon3.png

sidenav_icon4.png

sidenav_icon5.png

sidenav_icon6.png

header_logo.png

header_navbox_line.png

header_right_search.png

header_menu.png

header_sub_about_img1.jpg

header_sub_about_img2.jpg

header_sub_about_img3.jpg

header_sub_about_img4.jpg

header_sub_about_img6.jpg

header_sub_ability_img5.jpg

header_sub_ability_img1.jpg

header_sub_ability_img2.jpg

header_sub_ability_img3.jpg

header_sub_ability_img4.jpg

header_sub_product_img6.jpg

header_sub_product_img1.jpg

header_sub_product_img3.jpg

header_sub_product_img4.jpg

header_sub_product_img5.jpg

header_sub_solution_img1.jpg

header_sub_line.jpg

header_sub_solution_img2.jpg