Access colorful.cn. 七彩虹官网-首页

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

20/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

37/100

25%

SI (Speed Index)

Value13.1 s

2/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value6.4 s

60/100

10%

colorful.cn

1322 ms

bootstrap.min.css

739 ms

slicknav.css

459 ms

animate.css

523 ms

swiper.min.css

539 ms

Our browser made a total of 101 requests to load all elements on the main page. We found that 92% of them (93 requests) were addressed to the original Colorful.cn, 6% (6 requests) were made to Qiyukf.com and 1% (1 request) were made to Mat1.gtimg.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Colorful.cn.

Content Size

2.0 MB

After Optimization

1.9 MB

In fact, the total size of Colorful.cn main page is 2.0 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. 25% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 46.5 kB

Original 62.3 kB
After minification 62.3 kB
After compression 15.9 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 46.5 kB or 75% of the original size.

Image Optimization

-1%

Potential reduce by 18.0 kB

Original 1.7 MB
After minification 1.6 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. Colorful images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 3.3 kB

Original 135.1 kB
After minification 135.1 kB
After compression 131.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-20%

Potential reduce by 21.1 kB

Original 106.3 kB
After minification 106.0 kB
After compression 85.2 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. Colorful.cn needs all CSS files to be minified and compressed as it can save up to 21.1 kB or 20% of the original size.

Requests Now

After Optimization

The browser has sent 93 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Colorful. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

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

High

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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

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

N/A
Encoding

UTF-8

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

colorful.cn

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

七彩虹官网-首页

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

colorful.cn

bootstrap.min.css

slicknav.css

animate.css

swiper.min.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

colorful.cn

bootstrap.min.css

slicknav.css

animate.css

swiper.min.css

fancybox.min.css

ionicons.css

material-design-iconic-font.css

elegant-icons.css

font-awesome.min.css

style.css

main.css

modernizr.js

jquery-main.js

jquery-migrate.js

popper.min.js

bootstrap.min.js

headroom.min.js

swiper.min.js

fancybox.min.js

slicknav.js

search.js

b7e22000c30a40c5dd097961d6c065a2.js

custom.js

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