Access hbzhan.com. 环保在线_环保网-环保行业"互联网+"服务平台

hbzhan.com screenshot

18

Performance

Renders faster than
34% of other websites
76

Accessibility

Visual factors better than
that of 43% of websites
83

Best Practices

More advanced features
available than in
56% of websites
91

SEO

Google-friendlier than
71% of websites

First Response

7.1 sec

Resources Loaded

49.5 sec

Page Rendered

15.2 sec

hbzhan.com screenshot

About Website

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

环保在线成立于2006年，是环保行业“互联网+”服务平台。为水处理、废气处理、固废处理、清洁节能、环境监测、环保设备行业企业提供服务，欢迎访问环保在线！

Visit hbzhan.com

Key Findings

We analyzed Hbzhan.com page load time and found that the first response time was 7.1 sec and then it took 64.8 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 8 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

name

value

score

weighting

FCP (First Contentful Paint)

Value10.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value24.6 s

0/100

25%

SI (Speed Index)

Value22.9 s

0/100

10%

TBT (Total Blocking Time)

Value1,790 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.061

97/100

15%

TTI (Time to Interactive)

Value33.5 s

0/100

10%

www.hbzhan.com

7102 ms

push.js

752 ms

index%20v=2016.css

20257 ms

jsLibrary.js

1327 ms

jquery-1.3.2.min.js

8012 ms

Our browser made a total of 191 requests to load all elements on the main page. We found that 20% of them (39 requests) were addressed to the original Hbzhan.com, 26% (49 requests) were made to Img53.hbzhan.com and 21% (40 requests) were made to Img52.hbzhan.com. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain Hbzhan.com.

Content Size

3.9 MB

After Optimization

3.2 MB

In fact, the total size of Hbzhan.com main page is 3.9 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 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 127.6 kB

Original 160.3 kB
After minification 149.1 kB
After compression 32.7 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 127.6 kB or 80% of the original size.

Image Optimization

-10%

Potential reduce by 323.1 kB

Original 3.4 MB
After minification 3.0 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. Hbzhan images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 225.8 kB

Original 310.2 kB
After minification 241.0 kB
After compression 84.5 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 225.8 kB or 73% of the original size.

CSS Optimization

-81%

Potential reduce by 40.7 kB

Original 50.3 kB
After minification 43.9 kB
After compression 9.6 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. Hbzhan.com needs all CSS files to be minified and compressed as it can save up to 40.7 kB or 81% of the original size.

Requests Now

181

After Optimization

158

The browser has sent 181 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hbzhan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 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 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

Form elements do not have associated labels

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

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

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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/).

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 Hbzhan.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 Hbzhan.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

hbzhan.com

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