Access bjdfys.cn.

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

11/100

10%

LCP (Largest Contentful Paint)

Value23.7 s

0/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value3,740 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.025

100/100

15%

TTI (Time to Interactive)

Value15.3 s

7/100

10%

www.bjdfys.cn

397 ms

xx.js

64 ms

base.css

130 ms

model.css

133 ms

main.css

131 ms

Our browser made a total of 95 requests to load all elements on the main page. We found that 83% of them (79 requests) were addressed to the original Bjdfys.cn, 8% (8 requests) were made to Bdimg.share.baidu.com and 4% (4 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (20.1 sec) belongs to the original domain Bjdfys.cn.

Content Size

7.2 MB

After Optimization

6.9 MB

In fact, the total size of Bjdfys.cn main page is 7.2 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. 65% of websites need less resources to load. Images take 7.0 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 43.1 kB

Original 54.2 kB
After minification 47.7 kB
After compression 11.1 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 6.5 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 43.1 kB or 80% of the original size.

Image Optimization

-3%

Potential reduce by 233.4 kB

Original 7.0 MB
After minification 6.8 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. Bjdfys images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 540 B

Original 53.6 kB
After minification 53.5 kB
After compression 53.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 11 B

Original 879 B
After minification 879 B
After compression 868 B

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. Bjdfys.cn has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bjdfys. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 6 to 1 for CSS 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 keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

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 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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Language and Encoding

Language Detected

N/A
Language Claimed

ZH
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bjdfys.cn can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Chinese. Our system also found out that Bjdfys.cn main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

bjdfys.cn

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

www.bjdfys.cn

xx.js

base.css

model.css

main.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

www.bjdfys.cn

xx.js

base.css

model.css

main.css

user.css

jquery-1.8.3.min.js

mobiles.js

kf.css

common.js

message.js

tj.js

hm.js

xx.js

403.php

hm.js

push.js

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