12.7 sec in total
1.9 sec
10.7 sec
168 ms
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Visit 3zm.netWe analyzed 3zm.net page load time and found that the first response time was 1.9 sec and then it took 10.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
3zm.net performance score
name
value
score
weighting
Value5.5 s
6/100
10%
Value5.9 s
14/100
25%
Value7.4 s
28/100
10%
Value90 ms
99/100
30%
Value0
100/100
15%
Value7.0 s
52/100
10%
1879 ms
137 ms
143 ms
206 ms
164 ms
Our browser made a total of 37 requests to load all elements on the main page. We found that 76% of them (28 requests) were addressed to the original 3zm.net, 11% (4 requests) were made to Img.twcczhu.com and 5% (2 requests) were made to Rwq.youle55.com. The less responsive or slowest element that took the longest time to load (4.7 sec) relates to the external source Img.twcczhu.com.
Page size can be reduced by 100.5 kB (34%)
298.6 kB
198.1 kB
In fact, the total size of 3zm.net main page is 298.6 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 188.4 kB which makes up the majority of the site volume.
Potential reduce by 39.6 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 39.6 kB or 82% of the original size.
Potential reduce by 15.6 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. 3 Zm images are well optimized though.
Potential reduce by 20.8 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 20.8 kB or 69% of the original size.
Potential reduce by 24.5 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. 3zm.net needs all CSS files to be minified and compressed as it can save up to 24.5 kB or 78% of the original size.
Number of requests can be reduced by 12 (34%)
35
23
The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 3 Zm. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
3zm.net
1879 ms
basic.css
137 ms
header.css
143 ms
index.css
206 ms
loginframe.php
164 ms
head.js
147 ms
4305124.js
1114 ms
funcs.js
141 ms
login.gif
70 ms
bodybg.gif
71 ms
logo.gif
246 ms
banner.gif
177 ms
pic.gif
417 ms
1390s.jpg
372 ms
1317s.jpg
373 ms
648s.jpg
441 ms
1065s.jpg
372 ms
617s.jpg
512 ms
249s.jpg
645 ms
368s.jpg
578 ms
1143s.jpg
579 ms
806s.jpg
442 ms
43s.jpg
578 ms
6s.jpg
511 ms
7s.jpg
581 ms
8s.jpg
688 ms
xdashed.gif
79 ms
blank.gif
80 ms
bg.gif
81 ms
mr_16159_6356.js
1806 ms
mr_16159_6357.js
1838 ms
rich_20141024.js
4654 ms
couplet.js
4627 ms
getPosData0
1084 ms
dot.gif
82 ms
logo.gif
1083 ms
cb.gif
84 ms
3zm.net 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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
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
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
3zm.net best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
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
Browser errors were logged to the console
3zm.net SEO score
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
Document uses legible font sizes
ZH
N/A
GBK
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 3zm.net 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 3zm.net 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.
3zm.net
Open Graph description is not detected on the main page of 3 Zm. 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: