Access youduo.com. 友多网 - 发现美丽，传播美丽！

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

96/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value1.4 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.085

93/100

15%

TTI (Time to Interactive)

Value1.4 s

100/100

10%

youduo.com

112 ms

www.youduo.com

117 ms

1016637.js

364 ms

20140510_d70bd322c9352060e7d9PX67VSGfW3Yg.jpg

261 ms

011910.gif

106 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 95% of them (18 requests) were addressed to the original Youduo.com, 5% (1 request) were made to Js.users.51.la. The less responsive or slowest element that took the longest time to load (364 ms) relates to the external source Js.users.51.la.

Content Size

637.4 kB

After Optimization

632.9 kB

In fact, the total size of Youduo.com main page is 637.4 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. Images take 631.6 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 4.0 kB

Original 5.8 kB
After minification 5.6 kB
After compression 1.7 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 4.0 kB or 70% of the original size.

Image Optimization

-0%

Potential reduce by 497 B

Original 631.6 kB
After minification 631.1 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. Youduo images are well optimized though.

Requests Now

After Optimization

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Youduo. According to our analytics all requests are already optimized.

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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

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

Language and Encoding

Language Detected

ZH
Language Claimed

ZH
Encoding

GB18030

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Youduo.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Youduo.com main page’s claimed encoding is gb18030. 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

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