Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

hd199.com

hd199影音新时代

Page Load Speed

30.4 sec in total

First Response

1.1 sec

Resources Loaded

29 sec

Page Rendered

270 ms

hd199.com screenshot

About Website

Welcome to hd199.com homepage info - get ready to check Hd 199 best content for China right away, or after learning these important things about hd199.com

中国影音行业最具影响力的家庭影院音响专业互动平台,具有人性化客观公正的运行原则,已经运行13年之久。

Visit hd199.com

Key Findings

We analyzed Hd199.com page load time and found that the first response time was 1.1 sec and then it took 29.3 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.

Performance Metrics

hd199.com performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value8.8 s

16/100

10%

TBT (Total Blocking Time)

Value1,590 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.211

59/100

15%

TTI (Time to Interactive)

Value6.3 s

61/100

10%

Network Requests Diagram

forum.php

1135 ms

style_1_common.css

1423 ms

style_1_forum_index.css

1062 ms

common.js

3961 ms

wb.js

27 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 69% of them (29 requests) were addressed to the original Hd199.com, 12% (5 requests) were made to Hd.hd199.com and 7% (3 requests) were made to Tcss.qq.com. The less responsive or slowest element that took the longest time to load (20 sec) relates to the external source Hd.hd199.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 247.8 kB (67%)

Content Size

367.4 kB

After Optimization

119.7 kB

In fact, the total size of Hd199.com main page is 367.4 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. 25% of websites need less resources to load. Javascripts take 122.0 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 58.5 kB

  • Original 73.7 kB
  • After minification 73.5 kB
  • After compression 15.2 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 58.5 kB or 79% of the original size.

Image Optimization

-53%

Potential reduce by 56.9 kB

  • Original 107.6 kB
  • After minification 50.7 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. Obviously, Hd 199 needs image optimization as it can save up to 56.9 kB or 53% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 83.1 kB

  • Original 122.0 kB
  • After minification 116.8 kB
  • After compression 38.9 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 83.1 kB or 68% of the original size.

CSS Optimization

-77%

Potential reduce by 49.2 kB

  • Original 64.1 kB
  • After minification 62.2 kB
  • After compression 14.8 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. Hd199.com needs all CSS files to be minified and compressed as it can save up to 49.2 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (17%)

Requests Now

41

After Optimization

34

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hd 199. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

hd199.com accessibility score

88

Accessibility Issues

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.

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 IDs are not unique

Internationalization and localization

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

Impact

Issue

High

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

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

Links do not have a discernible name

Best Practices

hd199.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Missing source maps for large first-party JavaScript

SEO Factors

hd199.com SEO score

81

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

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

    N/A

  • Language Claimed

    N/A

  • Encoding

    GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Hd199.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Hd199.com main page’s claimed encoding is gbk. 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

Open Graph description is not detected on the main page of Hd 199. 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: