Access bang.dahe.cn. 眼遇大河-大河网

name

value

score

weighting

FCP (First Contentful Paint)

Value8.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value8.8 s

2/100

25%

SI (Speed Index)

Value14.5 s

1/100

10%

TBT (Total Blocking Time)

Value570 ms

53/100

30%

CLS (Cumulative Layout Shift)

Value0.454

20/100

15%

TTI (Time to Interactive)

Value10.4 s

25/100

10%

forum.php

2852 ms

style_1_common.css

1113 ms

style_1_forum_index.css

763 ms

common.js

4214 ms

style_1_widthauto.css

2754 ms

Our browser made a total of 97 requests to load all elements on the main page. We found that 30% of them (29 requests) were addressed to the original Bang.dahe.cn, 63% (61 requests) were made to Bangimg1.dahe.cn and 3% (3 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source Bangimg1.dahe.cn.

Content Size

592.8 kB

After Optimization

314.9 kB

In fact, the total size of Bang.dahe.cn main page is 592.8 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 314.6 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 46.6 kB

Original 57.4 kB
After minification 57.3 kB
After compression 10.8 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 46.6 kB or 81% of the original size.

Image Optimization

-22%

Potential reduce by 70.1 kB

Original 314.6 kB
After minification 244.5 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, Bang Dahe needs image optimization as it can save up to 70.1 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-71%

Potential reduce by 103.0 kB

Original 145.9 kB
After minification 144.5 kB
After compression 42.9 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 103.0 kB or 71% of the original size.

CSS Optimization

-78%

Potential reduce by 58.1 kB

Original 74.9 kB
After minification 73.3 kB
After compression 16.7 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. Bang.dahe.cn needs all CSS files to be minified and compressed as it can save up to 58.1 kB or 78% of the original size.

Requests Now

After Optimization

The browser has sent 94 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bang Dahe. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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 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

Registers an unload listener

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

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

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 Bang.dahe.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 Bang.dahe.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

bang.dahe.cn

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

眼遇大河-大河网

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

forum.php

style_1_common.css

style_1_forum_index.css

common.js

style_1_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

forum.php

style_1_common.css

style_1_forum_index.css

common.js

style_1_widthauto.css

forum.js

logging.js

c.js

discuz_tips.js

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