Access yanjiang.com.cn. 演讲网--演讲稿、竞聘演讲稿-演讲与口才门户网站。

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

36/100

25%

SI (Speed Index)

Value9.3 s

13/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.06

98/100

15%

TTI (Time to Interactive)

Value5.5 s

70/100

10%

yanjiang.com.cn

2084 ms

public.css

609 ms

head.css

884 ms

all.css

1164 ms

index.css

1168 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 85% of them (57 requests) were addressed to the original Yanjiang.com.cn, 7% (5 requests) were made to Bdimg.share.baidu.com and 1% (1 request) were made to S9.cnzz.com. The less responsive or slowest element that took the longest time to load (4.8 sec) belongs to the original domain Yanjiang.com.cn.

Content Size

228.9 kB

After Optimization

90.1 kB

In fact, the total size of Yanjiang.com.cn main page is 228.9 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. 20% of websites need less resources to load. CSS take 66.8 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 43.7 kB

Original 56.9 kB
After minification 55.6 kB
After compression 13.2 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 43.7 kB or 77% of the original size.

Image Optimization

-12%

Potential reduce by 6.4 kB

Original 51.4 kB
After minification 45.1 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, Yanjiang needs image optimization as it can save up to 6.4 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 34.0 kB

Original 53.8 kB
After minification 51.7 kB
After compression 19.8 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 34.0 kB or 63% of the original size.

CSS Optimization

-82%

Potential reduce by 54.8 kB

Original 66.8 kB
After minification 56.5 kB
After compression 12.0 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. Yanjiang.com.cn needs all CSS files to be minified and compressed as it can save up to 54.8 kB or 82% of the original size.

Requests Now

After Optimization

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yanjiang. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 5 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 experience of reading tabular or list data using assistive technology, like a screen reader.

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

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

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 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

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

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 Yanjiang.com.cn 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 Yanjiang.com.cn 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

yanjiang.com.cn

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

演讲网--演讲稿、竞聘演讲稿-演讲与口才门户网站。

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

yanjiang.com.cn

public.css

head.css

all.css

index.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

yanjiang.com.cn

public.css

head.css

all.css

index.css

jquery.js

jquery_002.js

common_utf8.js

f.js

menw.js

banner.js

end.js

logo58.gif

1-160316134402b8.jpg

1-1601061FT0309.jpg

1-14102015362AK.jpg

4.jpg

5.jpg

6.jpg

1-110P61F005506.jpg

1-110P61G445W0.jpg

1-1301101131250-L.jpg

1-110P3162522925.jpg

lwx.gif

lhb.gif

1-110P6111102P.jpg

20130805162849.jpg

20130805162432.jpg

20130805162235.jpg

1-15032QFQ0248.jpg

1-151116114109543.jpg

banner_1.gif

lqx.gif

1-1601061G45XB.jpg

1-15050G62HU46.jpg

lend.gif

1-1512261F40I94.jpg

1-1512140920311S.jpg

fwdh.gif

banner_2.gif

footer-1.gif

footer-2.gif

footer-3.gif