Access 818.cn. 818人事服务网_全职人力

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value13.2 s

2/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0.156

74/100

15%

TTI (Time to Interactive)

Value11.8 s

17/100

10%

818.cn

875 ms

www.818.cn

1146 ms

css

1184 ms

js

1111 ms

1192 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 6% of them (3 requests) were addressed to the original 818.cn, 55% (26 requests) were made to Css.818.cn and 23% (11 requests) were made to Js.818.cn. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Css.818.cn.

Content Size

623.3 kB

After Optimization

565.4 kB

In fact, the total size of 818.cn main page is 623.3 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. 30% of websites need less resources to load. Images take 583.4 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 27.1 kB

Original 33.5 kB
After minification 23.5 kB
After compression 6.3 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 9.9 kB, which is 30% 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 27.1 kB or 81% of the original size.

Image Optimization

-5%

Potential reduce by 30.0 kB

Original 583.4 kB
After minification 553.4 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. 818 images are well optimized though.

CSS Optimization

-11%

Potential reduce by 697 B

Original 6.4 kB
After minification 6.4 kB
After compression 5.7 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. 818.cn needs all CSS files to be minified and compressed as it can save up to 697 B or 11% of the original size.

Requests Now

After Optimization

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 818. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

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

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 818.cn 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 818.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

Open Graph description is not detected on the main page of 818. 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: