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name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

89/100

25%

SI (Speed Index)

Value9.7 s

10/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.5 s

98/100

10%

ddsfw.cn

13910 ms

style_3_common.css

2630 ms

style_3_forum_index.css

1227 ms

common.js

5221 ms

style_3_widthauto.css

856 ms

Our browser made a total of 114 requests to load all elements on the main page. We found that 82% of them (93 requests) were addressed to the original Ddsfw.cn, 15% (17 requests) were made to Ddsfw.net and 3% (3 requests) were made to Tcss.qq.com. The less responsive or slowest element that took the longest time to load (18.2 sec) belongs to the original domain Ddsfw.cn.

Content Size

1.6 MB

After Optimization

1.2 MB

In fact, the total size of Ddsfw.cn 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. 35% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 160.6 kB

Original 188.6 kB
After minification 165.1 kB
After compression 28.0 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 23.5 kB, which is 12% 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 160.6 kB or 85% of the original size.

Image Optimization

-6%

Potential reduce by 72.2 kB

Original 1.2 MB
After minification 1.1 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. Ddsfw images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 68.3 kB

Original 99.4 kB
After minification 93.4 kB
After compression 31.1 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 68.3 kB or 69% of the original size.

CSS Optimization

-78%

Potential reduce by 60.3 kB

Original 77.5 kB
After minification 75.8 kB
After compression 17.2 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. Ddsfw.cn needs all CSS files to be minified and compressed as it can save up to 60.3 kB or 78% of the original size.

Requests Now

109

After Optimization

The browser has sent 109 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ddsfw. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts 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

GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ddsfw.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 Ddsfw.cn main page’s claimed encoding is gbk. 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

ddsfw.cn

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

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

ddsfw.cn

style_3_common.css

style_3_forum_index.css

common.js

style_3_widthauto.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

ddsfw.cn

style_3_common.css

style_3_forum_index.css

common.js

style_3_widthauto.css

forum.js

logging.js

forum_slide.js

154036y5raqkrfkfaa6832.jpg

bodybg.jpg

bg.jpg

logo.png

qq_login.gif

collapsed_no.gif

forum.gif

forum_new.gif

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131843m2z6r6iim55pi9rg.jpg

px.png

newarow.gif

pn.png

nv.png

qmenu.png

nv_a.png

search.png

ForumPoster.aspx

chart.png

lbbj.png

tb.png

loading.gif

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170424wy8xt62l623zozxt.jpg

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category_lbg.png

ad_luntan-guangpanzhixiao.gif

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