Zmdz.com Site Title

镇江中煤电子-煤矿安全监控系统,煤矿瓦斯监控系统,煤矿监控系统,KJ101N系统,各类矿用传感器,红外甲烷,红外管道甲烷,二氧化碳,二氧化硫，氢气,氧气,硫化氢

Zmdz.com Meta Description

镇江中煤电子有限公司是全国煤炭安全监控系统制造业的知名企业，符合AQ6201-2006煤矿安全新标准,从事煤矿安全监控系统、矿用传感器的研发和生产,新研发和生产了矿用传感器,红外甲烷,红外管道甲烷,二氧化碳,二氧化硫，氢气,氧气,硫化氢

Zmdz.com Test Results

zmdz.com Mobile Usability: 58/100

Quick overview:
Use legible font sizes
The following text on your page renders in a way that may be difficult for some of your visitors to read. Use legible font sizes to provide a better user experience.
The following text fragments have a small font size. Increase the font size to make them more legible.
去老网站 and 9 others render only 5 pixels tall (12 CSS pixels) .
...
Size tap targets appropriately
Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.
The following tap targets are close to other nearby tap targets and may need additional spacing around them.
The tap target <a href="http://english.zmdz.com/">English</a> and 9 others are close to other tap targets .
...
Configure the viewport
Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.
Configure a viewport for this page.
Avoid plugins
Your page uses plugins, which prevents portions of your page from being used on many platforms. Find alternatives for plugin based content to increase compatibility.
Find alternatives for the following Flash plugins.
http://zmdz.com/bcastr31.swf (300 x 12) .
Size content to viewport
The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.
The page content is 1,000 CSS pixels wide, but the viewport is only 980 CSS pixels wide. The following elements fall outside the viewport:
The element <td>首页 新闻资讯走进中煤企业文…中心客服中心联系我们监控论坛</td> falls outside the viewport.
...

zmdz.com Mobile Speed: 17/100

Quick overview:
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 2.6MiB (82% reduction).
Compressing http://zmdz.com/top_pic/2010_la.jpg could save 61.2KiB (75% reduction).
...
Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
http://zmdz.com/inc/product_show_gd.js (expiration not specified)
...
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.
Remove render-blocking JavaScript:
http://zmdz.com/js/pd.js
Optimize CSS Delivery of the following:
http://zmdz.com/style.css
Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 7KiB (65% reduction).
Compressing http://s43.cnzz.com/stat.php?id=1214074&web_id=1214074&show=pic1 could save 7KiB (65% reduction).
Reduce server response time
In our test, your server responded in 0.23 seconds. There are many factors that can slow down your server response time. Please read our recommendations to learn how you can monitor and measure where your server is spending the most time.

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