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name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

77/100

25%

SI (Speed Index)

Value6.1 s

45/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.8 s

97/100

10%

cnrencai.com

708 ms

www.cnrencai.com

1354 ms

index.css

218 ms

jquery.min.js

1347 ms

index.ie.css

213 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 22% of them (5 requests) were addressed to the original Cnrencai.com, 52% (12 requests) were made to P.9136.com and 13% (3 requests) were made to Static.cnrencai.com. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Static.cnrencai.com.

Content Size

391.9 kB

After Optimization

353.2 kB

In fact, the total size of Cnrencai.com main page is 391.9 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. 20% of websites need less resources to load. Images take 301.8 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 35.8 kB

Original 44.9 kB
After minification 40.1 kB
After compression 9.1 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 4.8 kB, which is 11% 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 35.8 kB or 80% of the original size.

Image Optimization

-1%

Potential reduce by 1.6 kB

Original 301.8 kB
After minification 300.2 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. Cnrencai images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 80 B

Original 37.5 kB
After minification 37.5 kB
After compression 37.4 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

-16%

Potential reduce by 1.2 kB

Original 7.7 kB
After minification 7.7 kB
After compression 6.5 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. Cnrencai.com needs all CSS files to be minified and compressed as it can save up to 1.2 kB or 16% of the original size.

Requests Now

After Optimization

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cnrencai. According to our analytics all requests are already optimized.

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

Heading elements are not in a sequentially-descending order

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

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

Low

Detected JavaScript libraries

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

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

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

ZH
Language Claimed

N/A
Encoding

GB2312

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

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

CN职场指南网：专业的职场指南网站！

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

cnrencai.com

www.cnrencai.com

index.css

jquery.min.js

index.ie.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

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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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