Access sem360.net. 企业网站seo关键词排名优化多少钱_建站优化包年服务收费

name

value

score

weighting

FCP (First Contentful Paint)

Value6.6 s

2/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value16.1 s

0/100

10%

TBT (Total Blocking Time)

Value2,250 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.22

57/100

15%

TTI (Time to Interactive)

Value18.6 s

3/100

10%

sem360.net

2081 ms

dedecms.css

434 ms

dialog.css

433 ms

login.css

456 ms

jquery-1.3.2.min.js

890 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 97% of them (66 requests) were addressed to the original Sem360.net, 1% (1 request) were made to Tk163.com and 1% (1 request) were made to E.tk163.com. The less responsive or slowest element that took the longest time to load (5.6 sec) belongs to the original domain Sem360.net.

Content Size

374.8 kB

After Optimization

268.9 kB

In fact, the total size of Sem360.net main page is 374.8 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. 15% of websites need less resources to load. Images take 231.2 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 18.2 kB

Original 24.1 kB
After minification 22.1 kB
After compression 5.9 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 18.2 kB or 75% of the original size.

Image Optimization

-1%

Potential reduce by 1.2 kB

Original 231.2 kB
After minification 230.0 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. Sem 360 images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 54.3 kB

Original 79.2 kB
After minification 73.8 kB
After compression 24.9 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 54.3 kB or 69% of the original size.

CSS Optimization

-80%

Potential reduce by 32.3 kB

Original 40.3 kB
After minification 34.2 kB
After compression 8.0 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. Sem360.net needs all CSS files to be minified and compressed as it can save up to 32.3 kB or 80% of the original size.

Requests Now

After Optimization

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sem 360. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 5 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 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 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

High

Issues were logged in the Issues panel in Chrome Devtools

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

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 Sem360.net 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 Sem360.net 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

sem360.net

Open Graph description is not detected on the main page of Sem 360. 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

企业网站seo关键词排名优化多少钱_建站优化包年服务收费_竞价托管-拓宽营销服务提供商

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

sem360.net

dedecms.css

dialog.css

login.css

jquery-1.3.2.min.js

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

sem360.net

dedecms.css

dialog.css

login.css

jquery-1.3.2.min.js

dialog.js

jsad.js

kf.js

global.css

module.css

top_background.gif

button_top.gif

top_logo.jpg

dianhua.jpg

nav_left.gif

nav_right.gif

menu_background.jpg

menu_on_left.gif

menu_on_right.gif

nav_line.gif

menu_on_right.gif

qq.jpg

feature_text.gif

biao1.gif

biao2.gif

biao6.gif

biao8.gif

biao3.gif

biao7.png

biao4.png

biao5.png

1-10062G1015RW.jpg

partner_text.gif

gto_top.gif

banner1.jpg

www.tk163.com

banner2.jpg

bq.jpg

jm.jpg

u_top.gif

u_top_right.gif

qqonline.jpg

news_left.gif