25.8 sec in total
2.1 sec
23.3 sec
447 ms
Visit zzhero.com now to see the best up-to-date Zzhero content and also check out these interesting facts you probably never knew about zzhero.com
中国磁选机研发与试验基地,国内外磁选机采用山川技术-磁选机,磁铁矿设备,赤铁矿设备,褐铁矿设备,干式磁选机,湿式磁选机,河沙选铁,海砂选铁专业的磁选设备生产厂家-为需要磁选设备用户提供免费咨询,免费设计,免费实验等服务。联系电话:13938439388
Visit zzhero.comWe analyzed Zzhero.com page load time and found that the first response time was 2.1 sec and then it took 23.7 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 14 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
zzhero.com performance score
name
value
score
weighting
Value1.4 s
97/100
10%
Value1.5 s
99/100
25%
Value6.6 s
37/100
10%
Value600 ms
49/100
30%
Value0.049
99/100
15%
Value10.3 s
24/100
10%
2080 ms
950 ms
1070 ms
7855 ms
2618 ms
Our browser made a total of 46 requests to load all elements on the main page. We found that 85% of them (39 requests) were addressed to the original Zzhero.com, 11% (5 requests) were made to Net.zoosnet.net and 2% (1 request) were made to Js.users.51.la. The less responsive or slowest element that took the longest time to load (19.9 sec) belongs to the original domain Zzhero.com.
Page size can be reduced by 21.6 kB (34%)
64.1 kB
42.5 kB
In fact, the total size of Zzhero.com main page is 64.1 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. 15% of websites need less resources to load. Images take 36.2 kB which makes up the majority of the site volume.
Potential reduce by 16.8 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 16.8 kB or 76% of the original size.
Potential reduce by 970 B
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. Zzhero images are well optimized though.
Potential reduce by 3.8 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 3.8 kB or 67% of the original size.
Number of requests can be reduced by 4 (13%)
31
27
The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zzhero. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.
zzhero.com
2080 ms
style.css
950 ms
qiehuan.js
1070 ms
logo.jpg
7855 ms
nav_line.jpg
2618 ms
flash_qh.js
5274 ms
4527446.js
3933 ms
LsJS.aspx
2148 ms
top_bg.jpg
2617 ms
nav_bj.jpg
577 ms
nav.jpg
844 ms
lx_tu.jpg
7647 ms
xiangxi.jpg
1286 ms
more.jpg
3152 ms
gs_tu.jpg
17286 ms
2011223172348.jpg
5986 ms
2011223173713.jpg
6893 ms
201122318215.jpg
19939 ms
201122317553.jpg
8430 ms
201122410558.gif
10770 ms
2011224102130.jpg
13561 ms
2011224102156.jpg
19938 ms
2011223181217.jpg
10594 ms
2011223192651.jpg
12606 ms
201122317481.jpg
13638 ms
201121716630.jpg
16723 ms
20112249132.jpg
16845 ms
20112249412.jpg
19938 ms
20112249843.jpg
17618 ms
201122493253.jpg
19937 ms
20112249522.jpg
19938 ms
201122493044.jpg
19938 ms
201122493629.jpg
19938 ms
201122495338.jpg
19941 ms
201122791334.gif
19942 ms
subnav_bj.jpg
19826 ms
subnav.jpg
19827 ms
cpnav_bj.jpg
19826 ms
cplist_bj.jpg
19825 ms
icon.jpg
19826 ms
icon1.jpg
15906 ms
icon_0.gif
3910 ms
JS5.aspx
2202 ms
2.gif
1916 ms
1.gif
768 ms
7.gif
969 ms
zzhero.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<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
Links do not have a discernible name
<object> elements do not have alternate text
zzhero.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
zzhero.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
Document uses plugins
ZH
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zzhero.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 Zzhero.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.
zzhero.com
Open Graph description is not detected on the main page of Zzhero. 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: