Access cyol.com. 中青在线

name

value

score

weighting

FCP (First Contentful Paint)

Value7.3 s

1/100

10%

LCP (Largest Contentful Paint)

Value17.9 s

0/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value8,130 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.144

77/100

15%

TTI (Time to Interactive)

Value20.9 s

1/100

10%

cyol.com

830 ms

goToWap.js

817 ms

aliplayer-min2.9.16.css

1067 ms

swiper.min.css

857 ms

cyol_index1221.css

1350 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Cyol.com, 60% (47 requests) were made to News.cyol.com and 14% (11 requests) were made to Adsame.youth.cn. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Adsame.youth.cn.

Content Size

2.1 MB

After Optimization

1.4 MB

In fact, the total size of Cyol.com main page is 2.1 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 64.5 kB

Original 81.5 kB
After minification 70.4 kB
After compression 16.9 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. This page needs HTML code to be minified as it can gain 11.1 kB, which is 14% 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 64.5 kB or 79% of the original size.

Image Optimization

-12%

Potential reduce by 169.9 kB

Original 1.4 MB
After minification 1.3 MB

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, Cyol needs image optimization as it can save up to 169.9 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-74%

Potential reduce by 447.1 kB

Original 608.1 kB
After minification 589.6 kB
After compression 161.0 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 447.1 kB or 74% of the original size.

CSS Optimization

-8%

Potential reduce by 1.0 kB

Original 12.9 kB
After minification 12.9 kB
After compression 11.9 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. Cyol.com has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cyol. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 4 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

Form elements do not have associated labels

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

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

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

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cyol.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that Cyol.com 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

cyol.com

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

中青在线

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

cyol.com

goToWap.js

aliplayer-min2.9.16.css

swiper.min.css

cyol_index1221.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

cyol.com

goToWap.js

aliplayer-min2.9.16.css

swiper.min.css

cyol_index1221.css

bainianzq_2021.css

jquery-3.6.0.min.js

swiper.min.js

lazysizes.min.js

aliplayer-min2.9.16.js

header.js

home_nav.js

getBaobaoInfo_pc_more.js

s

s

s

s

s

s

s

s

s

s

footer.js

scroll_left_right.js

cyol_index0820.js

2020cyol_home_double_03.jpg

cyol_floatpc.png

xxpt.jpg

cyol_news.gif

lazy_pic.png

home_more.png

baobao_hua.png

baobao_bao.png

s

cyol_toplogo.png

szb_logo.png

zqw_logo2.jpg

weixincopy.png

246_2_17022854403321.jpg

2019sy_onli.png

cyol_dhbg1.png

cyol_find.png