Access sci99.com. 卓创资讯 - 值得信赖的大宗商品市场专家

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

33/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

30/100

25%

SI (Speed Index)

Value3.6 s

87/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.6 s

92/100

10%

sci99.com

675 ms

www.sci99.com

1395 ms

basic2011.css

19 ms

showinformation.css

36 ms

default2011.css

52 ms

Our browser made a total of 121 requests to load all elements on the main page. We found that 42% of them (51 requests) were addressed to the original Sci99.com, 17% (21 requests) were made to Ccwebchat.chem99.com and 17% (20 requests) were made to Img.sciimg.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source V.sciimg.com.

Content Size

1.6 MB

After Optimization

1.2 MB

In fact, the total size of Sci99.com main page is 1.6 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. Javascripts take 712.5 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 206.8 kB

Original 235.7 kB
After minification 156.3 kB
After compression 28.9 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 79.3 kB, which is 34% 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 206.8 kB or 88% of the original size.

Image Optimization

-5%

Potential reduce by 32.2 kB

Original 606.9 kB
After minification 574.6 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. Sci 99 images are well optimized though.

JavaScript Optimization

-21%

Potential reduce by 146.6 kB

Original 712.5 kB
After minification 712.4 kB
After compression 565.9 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 146.6 kB or 21% of the original size.

CSS Optimization

-21%

Potential reduce by 7.8 kB

Original 37.4 kB
After minification 37.3 kB
After compression 29.5 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. Sci99.com needs all CSS files to be minified and compressed as it can save up to 7.8 kB or 21% of the original size.

Requests Now

114

After Optimization

The browser has sent 114 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sci 99. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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

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

Search Engine Optimization Advices

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

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 Sci99.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 Sci99.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

sci99.com

Open Graph description is not detected on the main page of Sci 99. 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

卓创资讯 - 值得信赖的大宗商品市场专家

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

sci99.com

www.sci99.com

basic2011.css

showinformation.css

default2011.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

sci99.com

www.sci99.com

basic2011.css

showinformation.css

default2011.css

slides.css

mobiledebice.js

Style.css

jquery-1.11.1.min.js

jquery-1.9.1.min.js

jquery.completenew.js

sci_jqueryHelp.js

public.js

yibu.js

slides.init.js

placeholderfriend.js

index

sm_manage.js

jquery.SuperSlide.2.1.1.js

jquery.leanModal.min.js

BaiduIM.js

m.js

sensorsdata.min.js

subscription.js

scroll-v.gif

2022090111535718171213394231.jpg

2022090111521408121395198018.jpg

2024042919495199631828526552.gif

20240408182256664035208013.jpg

arrow-prev.png

arrow-next.png

hot.png

sprite.gif

icon_weixin2.png

scilogo.gif

new.gif

menumobil.png

heart3.png

hq.png

hot.gif

znnews.jpg

CheckDomesticIP.ashx

wm.png