Tools & Wizards About Us
birtv.com screenshot

Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

birtv.com

BIRTV2024- 北京国际广播电影电视展览会（Beijing International Radio, TV & Film Exhibition, 简称BIRTV）

Page Load Speed

56.8 sec in total

First Response

2.6 sec

Resources Loaded

53.9 sec

Page Rendered

393 ms

birtv.com screenshot

About Website

Visit birtv.com now to see the best up-to-date Bir TV content for China and also check out these interesting facts you probably never knew about birtv.com

北京国际广播电影电视展览会（Beijing International Radio, TV & Film Exhibition, 简称BIRTV）于1987年创办，是引领中国广播影视技术发展潮流的先进平台，是展示广电先进技术设备和发展成果的理想平台，是交流先进理念、谋求共同发展的有效平台。二十多年来，BIRTV已经成为世界排名第三、亚洲排名第一的专业性和观赏性兼备的国际广播影视展览会。

Visit birtv.com

Key Findings

We analyzed Birtv.com page load time and found that the first response time was 2.6 sec and then it took 54.3 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 54 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

birtv.com performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value7.5 s

4/100

25%

SI (Speed Index)

Value13.1 s

2/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.4 s

49/100

10%

Network Requests Diagram

birtv.com

2581 ms

birtv

427 ms

10023 ms

css.css

3271 ms

ui.tabs.css

1171 ms

Our browser made a total of 315 requests to load all elements on the main page. We found that 54% of them (170 requests) were addressed to the original Birtv.com, 44% (138 requests) were made to Gd365.com.cn and 1% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain Birtv.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (13%)

Content Size

9.3 MB

After Optimization

8.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Birtv.com main page is 9.3 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. 65% of websites need less resources to load. Images take 8.9 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 62.9 kB

  • Original 71.9 kB
  • After minification 60.2 kB
  • After compression 9.0 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 11.7 kB, which is 16% 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 62.9 kB or 87% of the original size.

Image Optimization

-10%

Potential reduce by 870.7 kB

  • Original 8.9 MB
  • After minification 8.0 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. Bir TV images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 196.1 kB

  • Original 314.6 kB
  • After minification 313.8 kB
  • After compression 118.5 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 196.1 kB or 62% of the original size.

CSS Optimization

-83%

Potential reduce by 77.1 kB

  • Original 92.6 kB
  • After minification 80.7 kB
  • After compression 15.5 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. Birtv.com needs all CSS files to be minified and compressed as it can save up to 77.1 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (8%)

Requests Now

256

After Optimization

235

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 256 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bir TV. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

birtv.com

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2581 ms

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Accessibility Review

birtv.com accessibility score

79

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

birtv.com 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

Page has valid source maps

SEO Factors

birtv.com SEO score

75

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

High

robots.txt is not valid

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

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Birtv.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 Birtv.com 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

birtv.com

Open Graph description is not detected on the main page of Bir TV. 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: