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name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

62/100

10%

LCP (Largest Contentful Paint)

Value10.7 s

0/100

25%

SI (Speed Index)

Value7.6 s

25/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.033

100/100

15%

TTI (Time to Interactive)

Value3.0 s

96/100

10%

yantubbs.com

693 ms

bbs.yantuchina.com

1271 ms

pw_core.css

375 ms

wind_wind.css

668 ms

core.js

859 ms

Our browser made a total of 100 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Yantubbs.com, 82% (82 requests) were made to Bbs.yantuchina.com and 2% (2 requests) were made to Yantuchina.com. The less responsive or slowest element that took the longest time to load (2.5 sec) relates to the external source Yuntan.360.cn.

Content Size

820.0 kB

After Optimization

535.5 kB

In fact, the total size of Yantubbs.com main page is 820.0 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. 30% of websites need less resources to load. Images take 543.6 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 46.5 kB

Original 60.7 kB
After minification 58.6 kB
After compression 14.2 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 46.5 kB or 77% of the original size.

Image Optimization

-17%

Potential reduce by 90.2 kB

Original 543.6 kB
After minification 453.4 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, Yantubbs needs image optimization as it can save up to 90.2 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-66%

Potential reduce by 106.5 kB

Original 161.0 kB
After minification 134.4 kB
After compression 54.5 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 106.5 kB or 66% of the original size.

CSS Optimization

-75%

Potential reduce by 41.3 kB

Original 54.7 kB
After minification 49.8 kB
After compression 13.5 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. Yantubbs.com needs all CSS files to be minified and compressed as it can save up to 41.3 kB or 75% of the original size.

Requests Now

After Optimization

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yantubbs. 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 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

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

High

Browser errors were logged to the console

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

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

High

Document uses plugins

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 Yantubbs.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 Yantubbs.com 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

yantubbs.com

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

岩土论坛 - 领先的岩土技术社区，岩土领域的媒体、社区与应用平台！

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

yantubbs.com

bbs.yantuchina.com

pw_core.css

wind_wind.css

core.js

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

yantubbs.com

bbs.yantuchina.com

pw_core.css

wind_wind.css

core.js

pw_ajax.js

ddsliderplayer.js

Deploy.js

global.js

adminview.js

app_global.js

float.js

zh_cn.js

blank.gif

bbs-logo.jpg

pa

2a8a993a04510ce5cf38d5ddda2aac30

bg.jpg

bbslogo.jpg

ico.png

20240219061420_1.jpg

bbs.yantuchina.com

20240513011401.png

20240513011420.jpg

20240514014636.jpg

20240514014759.jpg

20240513011439.png

cate_fold.gif

132.jpg

130.gif

56.jpg

22.jpg

23.jpg

40.gif

113.jpg

111.jpg

49.jpg

11.jpg

17.jpg

10.jpg

18.jpg

8.jpg

7.jpg