Access tvcchina.com.cn. 北京宣传片制作公司宣传片制作公司企业宣传片北京中视上广传媒有限公司北京影视广告制作公司北京企业宣传片制作公司专题片制作会议摄像公司宣传片北京广告片制作公司企业形象片

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value5.8 s

50/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.046

99/100

15%

TTI (Time to Interactive)

Value3.8 s

90/100

10%

tvcchina.com.cn

5301 ms

style.css

1052 ms

reset.css

864 ms

default_blue.css

1089 ms

jquery.min.js

10066 ms

Our browser made a total of 143 requests to load all elements on the main page. We found that 78% of them (112 requests) were addressed to the original Tvcchina.com.cn, 5% (7 requests) were made to Pub.idqqimg.com and 4% (6 requests) were made to Bdimg.share.baidu.com. The less responsive or slowest element that took the longest time to load (17.8 sec) belongs to the original domain Tvcchina.com.cn.

Content Size

2.3 MB

After Optimization

2.0 MB

In fact, the total size of Tvcchina.com.cn main page is 2.3 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. 45% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 69.1 kB

Original 83.4 kB
After minification 82.3 kB
After compression 14.3 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 69.1 kB or 83% of the original size.

Image Optimization

-4%

Potential reduce by 74.1 kB

Original 2.0 MB
After minification 1.9 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. Tvcchina images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 86.9 kB

Original 137.3 kB
After minification 135.4 kB
After compression 50.4 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 86.9 kB or 63% of the original size.

CSS Optimization

-74%

Potential reduce by 28.9 kB

Original 38.8 kB
After minification 34.7 kB
After compression 9.9 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. Tvcchina.com.cn needs all CSS files to be minified and compressed as it can save up to 28.9 kB or 74% of the original size.

Requests Now

142

After Optimization

115

The browser has sent 142 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tvcchina. 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 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

High

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

Search Engine Optimization Advices

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

High

Image elements do not have [alt] attributes

High

Document uses plugins

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 Tvcchina.com.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 Tvcchina.com.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

tvcchina.com.cn

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

北京宣传片制作公司 宣传片制作公司 企业宣传片 北京中视上广传媒有限公司 北京影视广告制作公司 北京企业宣传片制作公司 专题片制作 会议摄像 公司宣传片 北京广告片制作公司 企业形象片

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

tvcchina.com.cn

style.css

reset.css

default_blue.css

jquery.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

tvcchina.com.cn

style.css

reset.css

default_blue.css

jquery.min.js

jquery.sgallery.js

search_common.js

1152527.js

297945.js

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北京宣传片制作公司宣传片制作公司企业宣传片北京中视上广传媒有限公司北京影视广告制作公司北京企业宣传片制作公司专题片制作会议摄像公司宣传片北京广告片制作公司企业形象片