Access 525j.com. 525j.com

525j.com screenshot

94

Performance

Renders faster than
93% of other websites
54

Accessibility

Visual factors better than
that of 23% of websites
75

Best Practices

More advanced features
available than in
35% of websites
77

SEO

Google-friendlier than
36% of websites

First Response

3.5 sec

Resources Loaded

57.1 sec

Page Rendered

396 ms

525j.com screenshot

About Website

Visit 525j.com now to see the best up-to-date 525 J content and also check out these interesting facts you probably never knew about 525j.com

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Key Findings

We analyzed 525j.com page load time and found that the first response time was 3.5 sec and then it took 57.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 3 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

91/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

88/100

25%

SI (Speed Index)

Value4.0 s

81/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value1.8 s

100/100

10%

www.525j.com.cn

3489 ms

common.css

1446 ms

zx_indexv2.css

1746 ms

zx_publicv2.css

3787 ms

jquery-1.7.2.min.js

2687 ms

Our browser made a total of 213 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original 525j.com, 8% (17 requests) were made to Cm.emarbox.com and 7% (14 requests) were made to Aw.kejet.net. The less responsive or slowest element that took the longest time to load (20.5 sec) relates to the external source Static.mediav.com.

Content Size

1.5 MB

After Optimization

1.0 MB

In fact, the total size of 525j.com main page is 1.5 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. Images take 976.9 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 63.8 kB

Original 88.3 kB
After minification 84.0 kB
After compression 24.5 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 63.8 kB or 72% of the original size.

Image Optimization

-19%

Potential reduce by 181.4 kB

Original 976.9 kB
After minification 795.6 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, 525 J needs image optimization as it can save up to 181.4 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-49%

Potential reduce by 175.2 kB

Original 358.1 kB
After minification 330.3 kB
After compression 182.9 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 175.2 kB or 49% of the original size.

CSS Optimization

-80%

Potential reduce by 40.8 kB

Original 51.1 kB
After minification 43.7 kB
After compression 10.4 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. 525j.com needs all CSS files to be minified and compressed as it can save up to 40.8 kB or 80% of the original size.

Requests Now

158

After Optimization

87

The browser has sent 158 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 525 J. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 38 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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Serves images with low resolution

Low

Detected JavaScript libraries

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

robots.txt is not valid

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

N/A
Language Claimed

N/A
Encoding

GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 525j.com 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) and no language is claimed in <html> or <meta> tags either. Our system also found out that 525j.com main page’s claimed encoding is gb2312. 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

525j.com

Open Graph description is not detected on the main page of 525 J. 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: