Tools & Wizards About Us
hvacr.hc360.com screenshot

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 54

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

hvacr.hc360.com

慧聪暖通与舒适家居网_中国暖通与舒适家居行业专业媒体和服务平台

Page Load Speed

74 sec in total

First Response

1.1 sec

Resources Loaded

72 sec

Page Rendered

898 ms

hvacr.hc360.com screenshot

About Website

Welcome to hvacr.hc360.com homepage info - get ready to check Hvacr Hc 360 best content for China right away, or after learning these important things about hvacr.hc360.com

慧聪暖通与舒适家居网是暖通与舒适家居行业门户网站，为暖通与舒适家居行业提供行业动态，产品资讯，品牌推广等服务，以及覆盖线上线下一站式媒体解决方案。

Visit hvacr.hc360.com

Key Findings

We analyzed Hvacr.hc360.com page load time and found that the first response time was 1.1 sec and then it took 72.9 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 was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

hvacr.hc360.com performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

8/100

25%

SI (Speed Index)

Value11.7 s

5/100

10%

TBT (Total Blocking Time)

Value23,240 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.302

40/100

15%

TTI (Time to Interactive)

Value32.4 s

0/100

10%

Network Requests Diagram

hvacr.hc360.com

1114 ms

www.hvacr.hc360.com

6835 ms

hc.common.js

4111 ms

20121203_topnav.css

138 ms

201212_zxindex_blue.css

138 ms

Our browser made a total of 532 requests to load all elements on the main page. We found that 1% of them (6 requests) were addressed to the original Hvacr.hc360.com, 18% (97 requests) were made to Img00.hc360.com and 10% (55 requests) were made to Img04.hc360.com. The less responsive or slowest element that took the longest time to load (19.9 sec) relates to the external source Bbs.hc360.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (33%)

Content Size

4.7 MB

After Optimization

3.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Hvacr.hc360.com main page is 4.7 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.5 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 258.4 kB

  • Original 305.1 kB
  • After minification 284.4 kB
  • After compression 46.8 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 258.4 kB or 85% of the original size.

Image Optimization

-20%

Potential reduce by 708.9 kB

  • Original 3.5 MB
  • After minification 2.8 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. Obviously, Hvacr Hc 360 needs image optimization as it can save up to 708.9 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-60%

Potential reduce by 501.2 kB

  • Original 828.6 kB
  • After minification 782.7 kB
  • After compression 327.3 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 501.2 kB or 60% of the original size.

CSS Optimization

-84%

Potential reduce by 98.0 kB

  • Original 117.2 kB
  • After minification 112.3 kB
  • After compression 19.2 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. Hvacr.hc360.com needs all CSS files to be minified and compressed as it can save up to 98.0 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 96 (21%)

Requests Now

457

After Optimization

361

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 457 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hvacr Hc 360. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 36 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

hvacr.hc360.com

hvacr.hc360.com

1114 ms

www.hvacr.hc360.com

www.hvacr.hc360.com

6835 ms

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4111 ms

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138 ms

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138 ms

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209 ms

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3532 ms

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140 ms

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140 ms

index_cgztc_FloorFocus_blue.js

index_cgztc_FloorFocus_blue.js

141 ms

index_PicNews_bwzd.js

index_PicNews_bwzd.js

3463 ms

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wb.js

wb.js

6 ms

m.js

m.js

969 ms

api.php

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Accessibility Review

hvacr.hc360.com accessibility score

76

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.

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

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

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

Best Practices

hvacr.hc360.com best practices score

54

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

High

Registers an unload listener

Low

Detected JavaScript libraries

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

hvacr.hc360.com SEO score

77

Search Engine Optimization Advices

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 Hvacr.hc360.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 Hvacr.hc360.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

hvacr.hc360.com

Open Graph description is not detected on the main page of Hvacr Hc 360. 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: