Report Summary

  • 20

    Performance

    Renders faster than
    38% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

cto.net.cn

首页|网站建设,网站制作,网站设计,宁波有道网络技术有限公司,企业QQ,营销QQ,企点,腾迅授权全国代理商,百度视频,百度图片排名优化,下辖宁波公司,绍兴分公司,广西分公司,客服电话:4001668871

Page Load Speed

33.9 sec in total

First Response

1.8 sec

Resources Loaded

31.9 sec

Page Rendered

207 ms

cto.net.cn screenshot

About Website

Visit cto.net.cn now to see the best up-to-date Cto content and also check out these interesting facts you probably never knew about cto.net.cn

宁波有道网络技术有限公司代理全国,宁波地区,绍兴地区,舟山地区,广西地区企业QQ和营销QQ,企点,并承接网站设计制作,手机网站制作,微商城制作,微信营销, 百度视频,百度图片排名优化,服务电话:4001668871

Visit cto.net.cn

Key Findings

We analyzed Cto.net.cn page load time and found that the first response time was 1.8 sec and then it took 32.1 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 21 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

cto.net.cn performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value31.1 s

0/100

25%

SI (Speed Index)

Value19.8 s

0/100

10%

TBT (Total Blocking Time)

Value1,520 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.044

99/100

15%

TTI (Time to Interactive)

Value23.3 s

1/100

10%

Network Requests Diagram

cto.net.cn

1787 ms

www.cto.net.cn

5300 ms

css.css

1036 ms

jquery.min.js

5096 ms

ctologo.gif

2771 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 75% of them (51 requests) were addressed to the original Cto.net.cn, 6% (4 requests) were made to Pub.idqqimg.com and 4% (3 requests) were made to Combo.b.qq.com. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain Cto.net.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 170.8 kB (44%)

Content Size

391.7 kB

After Optimization

220.9 kB

In fact, the total size of Cto.net.cn main page is 391.7 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. Javascripts take 246.3 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 25.0 kB

  • Original 37.3 kB
  • After minification 35.8 kB
  • After compression 12.3 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. 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 25.0 kB or 67% of the original size.

Image Optimization

-14%

Potential reduce by 13.5 kB

  • Original 96.0 kB
  • After minification 82.5 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, Cto needs image optimization as it can save up to 13.5 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-50%

Potential reduce by 122.4 kB

  • Original 246.3 kB
  • After minification 245.8 kB
  • After compression 123.8 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 122.4 kB or 50% of the original size.

CSS Optimization

-81%

Potential reduce by 9.8 kB

  • Original 12.0 kB
  • After minification 11.0 kB
  • After compression 2.2 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. Cto.net.cn needs all CSS files to be minified and compressed as it can save up to 9.8 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (48%)

Requests Now

44

After Optimization

23

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cto. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

cto.net.cn accessibility score

53

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Tables and lists

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

Impact

Issue

High

Definition list items are not wrapped in <dl> elements

High

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

Names and labels

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.

Impact

Issue

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

cto.net.cn best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

cto.net.cn SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Cto.net.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 Cto.net.cn 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 Cto. 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: