Access tteb.com. 棉纺织信息网——纺织信息商务门户网站|最新棉花价格|棉纱价格|棉纱期货

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value13.4 s

0/100

25%

SI (Speed Index)

Value13.6 s

2/100

10%

TBT (Total Blocking Time)

Value3,720 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value18.3 s

4/100

10%

tteb.com

1516 ms

www.tteb.com

6637 ms

jquery.js

1517 ms

tteb.js

3484 ms

jfnew.js

6961 ms

Our browser made a total of 139 requests to load all elements on the main page. We found that 91% of them (126 requests) were addressed to the original Tteb.com, 7% (10 requests) were made to Pic.ccf.com.cn and 1% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Tteb.com.

Content Size

887.8 kB

After Optimization

452.7 kB

In fact, the total size of Tteb.com main page is 887.8 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. 35% of websites need less resources to load. Images take 416.1 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 158.4 kB

Original 185.9 kB
After minification 168.9 kB
After compression 27.4 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 158.4 kB or 85% of the original size.

Image Optimization

-15%

Potential reduce by 63.4 kB

Original 416.1 kB
After minification 352.7 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. Obviously, Tteb needs image optimization as it can save up to 63.4 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-75%

Potential reduce by 213.3 kB

Original 285.8 kB
After minification 219.3 kB
After compression 72.5 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 213.3 kB or 75% of the original size.

Requests Now

131

After Optimization

108

The browser has sent 131 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tteb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts 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

Form elements do not have associated labels

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

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

High

Registers an unload listener

Low

Detected JavaScript libraries

High

Uses deprecated APIs

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

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

High

Links are not crawlable

High

robots.txt is not valid

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 Tteb.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 Tteb.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

tteb.com

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

棉纺织信息网——纺织信息商务门户网站|最新棉花价格|棉纱价格|棉纱期货

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

tteb.com

www.tteb.com

jquery.js

tteb.js

jfnew.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

tteb.com

www.tteb.com

jquery.js

tteb.js

jfnew.js

res.js

2016css.css

zjad_289.js

zjad_290.js

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zjad_276.js

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zjad_278.js

tztteb.js

zzsc.js

zjad_279.js

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zjad_282.js

zjad_283.js

zjad_292.js

zjad_293.js

zjad_294.js

zjad_295.js

zjad_338.js

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logo.jpg

home.png

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lock_on1.gif

lock1.gif

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