Access dgbrg.com. 东莞桥牌网-www.dgbrg.com-桥牌新闻、桥牌资源、桥牌技术、桥友交流 -

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value11.1 s

0/100

25%

SI (Speed Index)

Value11.1 s

6/100

10%

TBT (Total Blocking Time)

Value290 ms

80/100

30%

CLS (Cumulative Layout Shift)

Value0.028

100/100

15%

TTI (Time to Interactive)

Value13.0 s

12/100

10%

www.dgbrg.com

6129 ms

style_1_common.css

6653 ms

style_1_forum_index.css

1308 ms

common.js

8599 ms

forum.js

2049 ms

Our browser made a total of 128 requests to load all elements on the main page. We found that 68% of them (87 requests) were addressed to the original Dgbrg.com, 5% (6 requests) were made to Pos.baidu.com and 4% (5 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (19.9 sec) relates to the external source T12.baidu.com.

Content Size

1.3 MB

After Optimization

686.6 kB

In fact, the total size of Dgbrg.com main page is 1.3 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. 40% of websites need less resources to load. Javascripts take 753.3 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 118.8 kB

Original 143.2 kB
After minification 142.9 kB
After compression 24.4 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 118.8 kB or 83% of the original size.

Image Optimization

-14%

Potential reduce by 59.8 kB

Original 427.5 kB
After minification 367.7 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, Dgbrg needs image optimization as it can save up to 59.8 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 461.1 kB

Original 753.3 kB
After minification 746.6 kB
After compression 292.3 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 461.1 kB or 61% of the original size.

CSS Optimization

-70%

Potential reduce by 5.1 kB

Original 7.4 kB
After minification 6.8 kB
After compression 2.2 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. Dgbrg.com needs all CSS files to be minified and compressed as it can save up to 5.1 kB or 70% of the original size.

Requests Now

125

After Optimization

The browser has sent 125 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dgbrg. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-*] attributes do not match their roles

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

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

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

These are opportunities to improve keyboard navigation in your application.

High

Some elements have a [tabindex] value greater than 0

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

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

GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dgbrg.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 Dgbrg.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

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

东莞桥牌网-www.dgbrg.com-桥牌新闻、桥牌资源、桥牌技术、桥友交流 -

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

www.dgbrg.com

style_1_common.css

style_1_forum_index.css

common.js

forum.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

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Accessibility Review

Accessibility Issues

Best Practices

Areas of Improvement

SEO Factors

Search Engine Optimization Advices

Language and Encoding

Language Detected

Language Claimed

Encoding

Social Sharing Optimization

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