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name

value

score

weighting

FCP (First Contentful Paint)

Value9.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value25.6 s

0/100

25%

SI (Speed Index)

Value21.4 s

0/100

10%

TBT (Total Blocking Time)

Value4,410 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.438

21/100

15%

TTI (Time to Interactive)

Value25.9 s

0/100

10%

nengchuanglipin.com

14047 ms

1.css

2372 ms

logo.png

922 ms

Our browser made a total of 3 requests to load all elements on the main page. We found that all of those requests were addressed to Nengchuanglipin.com and no external sources were called. The less responsive or slowest element that took the longest time to load (14 sec) belongs to the original domain Nengchuanglipin.com.

Content Size

11.0 kB

After Optimization

5.0 kB

In fact, the total size of Nengchuanglipin.com main page is 11.0 kB. This result falls within a big category (top 100 000) of medium weight web pages. Only a small number of websites need less resources to load. HTML takes 6.5 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 5.3 kB

Original 6.5 kB
After minification 3.0 kB
After compression 1.2 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 3.4 kB, which is 53% 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 5.3 kB or 81% of the original size.

Image Optimization

-10%

Potential reduce by 366 B

Original 3.8 kB
After minification 3.4 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. Nengchuanglipin images are well optimized though.

CSS Optimization

-50%

Potential reduce by 382 B

Original 757 B
After minification 698 B
After compression 375 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. Nengchuanglipin.com needs all CSS files to be minified and compressed as it can save up to 382 B or 50% of the original size.

Requests Now

After Optimization

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nengchuanglipin. 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 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

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

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

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

High

Links are not crawlable

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

UFT-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nengchuanglipin.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 Nengchuanglipin.com main page’s claimed encoding is uft-8. 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

nengchuanglipin.com

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