Access nm.sci99.com. 【有色金属】价格行情_最新价格_价格走势_市场报价

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

68/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value230 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value16.4 s

5/100

10%

nm.sci99.com

2032 ms

default.css

709 ms

basic.css

705 ms

head.aspx

809 ms

try.gif

733 ms

Our browser made a total of 145 requests to load all elements on the main page. We found that 40% of them (58 requests) were addressed to the original Nm.sci99.com, 10% (15 requests) were made to Img.sciimg.com and 8% (12 requests) were made to Sci99.com. The less responsive or slowest element that took the longest time to load (15.2 sec) belongs to the original domain Nm.sci99.com.

Content Size

1.9 MB

After Optimization

1.1 MB

In fact, the total size of Nm.sci99.com main page is 1.9 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. 55% of websites need less resources to load. Images take 921.7 kB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 221.5 kB

Original 244.4 kB
After minification 111.9 kB
After compression 22.9 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 132.5 kB, which is 54% 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 221.5 kB or 91% of the original size.

Image Optimization

-9%

Potential reduce by 81.8 kB

Original 921.7 kB
After minification 839.9 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. Nm Sci 99 images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 398.3 kB

Original 597.8 kB
After minification 541.0 kB
After compression 199.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 398.3 kB or 67% of the original size.

CSS Optimization

-82%

Potential reduce by 91.5 kB

Original 111.1 kB
After minification 92.0 kB
After compression 19.5 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. Nm.sci99.com needs all CSS files to be minified and compressed as it can save up to 91.5 kB or 82% of the original size.

Requests Now

142

After Optimization

The browser has sent 142 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nm 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 33 to 1 for JavaScripts and from 11 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 the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

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

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 experience of reading tabular or list data using assistive technology, like a screen reader.

High

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

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

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

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 Nm.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 Nm.sci99.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

nm.sci99.com

Open Graph description is not detected on the main page of Nm 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

【有色金属】价格行情_最新价格_价格走势_市场报价 - 卓创资讯有色金属网

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

nm.sci99.com

default.css

basic.css

head.aspx

try.gif

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

nm.sci99.com

default.css

basic.css

head.aspx

try.gif

hot1.gif

ud.gif

jquery-1.9.1.min.js

public.js

checkinput.js

Sci99.js

userlginfo.aspx

jqmarquee.js

m.js

BaiduIM.js

cctvbg.jpg

201603311111118557.jpg

nav_bg.gif

yellow_bg.gif

nav_bbg.gif

nav_b_tdbg.gif

try_lbg.gif

nav_bb_bg.gif

head1_bg.gif

li_bg.gif

head2_bg.gif

h2_libg.gif

h12_bg.gif

bg_zjjd.jpg

head_h1bg.gif

h1_bg.gif

ah_bg.gif

market_abg.gif

down.gif

up.gif

curve.gif

Stati.gif

cnmig.gif

fbt.gif

pic_1.jpg

pic_2.jpg

pic_3.jpg

pic_5.jpg