Access cnrft.com. 影视器材网-影视、广电、专业视听行业门户网站-提供摄影摄像器材、广播电视电影设备、器材租赁、音视频采购集成等供求和服务信息

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value16.1 s

0/100

25%

SI (Speed Index)

Value41.7 s

0/100

10%

TBT (Total Blocking Time)

Value48,870 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.093

91/100

15%

TTI (Time to Interactive)

Value85.4 s

0/100

10%

cnrft.com

2359 ms

style.css

2006 ms

index.css

1769 ms

catalog.css

1235 ms

lang.js

1500 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 79% of them (42 requests) were addressed to the original Cnrft.com, 6% (3 requests) were made to I04.c.aliimg.com and 6% (3 requests) were made to I02.c.aliimg.com. The less responsive or slowest element that took the longest time to load (3.2 sec) relates to the external source Js.users.51.la.

Content Size

397.8 kB

After Optimization

237.4 kB

In fact, the total size of Cnrft.com main page is 397.8 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. 20% of websites need less resources to load. Images take 167.7 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 46.8 kB

Original 57.6 kB
After minification 57.6 kB
After compression 10.8 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 46.8 kB or 81% of the original size.

Image Optimization

-3%

Potential reduce by 4.6 kB

Original 167.7 kB
After minification 163.1 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. Cnrft images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 76.5 kB

Original 131.2 kB
After minification 126.3 kB
After compression 54.7 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 76.5 kB or 58% of the original size.

CSS Optimization

-79%

Potential reduce by 32.5 kB

Original 41.3 kB
After minification 37.9 kB
After compression 8.8 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. Cnrft.com needs all CSS files to be minified and compressed as it can save up to 32.5 kB or 79% of the original size.

Requests Now

After Optimization

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cnrft. 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 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 semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

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

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 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 experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

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

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

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

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 Cnrft.com 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 Cnrft.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

cnrft.com

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

影视器材网-影视、广电、专业视听行业门户网站-提供摄影摄像器材、广播电视电影设备、器材租赁、音视频采购集成等供求和服务信息

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

cnrft.com

style.css

index.css

catalog.css

lang.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

cnrft.com

style.css

index.css

catalog.css

lang.js

config.js

jquery.js

common.js

page.js

qy.js

c.js

slide.js

zgd.js

index.js

marquee.js

4245421.js

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ww_ico.gif

help.gif

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