Yundun.cn Site Title
网站安全防护_CDN加速_Web安全加速_高防云盾_网站加速_云盾_「YUNDUN」
Yundun.cn Meta Description
上海云盾信息技术有限公司（YUNDUN），是专注于提供新一代安全产品和服务的创新创业企业。以纵深安全加速，护航数字业务的产品服务理念，替身和隐身的攻防思想，运用大数据、AI、零信任技术架构和健壮的全球网络资源，一站式解决数字业务的应用漏洞、黑客渗透、爬虫Bot、DDoS等安全威胁，满足合规要求，提高用户体验。
Yundun.cn Test Results
yundun.cn Mobile Usability: 62/100
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.
首页 and 4 others render only 6 pixels tall (16 CSS pixels) .
...
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.
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 1,028 CSS pixels wide, but the viewport is only 980 CSS pixels wide. The following elements fall outside the viewport:
The element
<a href="/reg" class="btn btn-success btn-sm">注册</a> falls outside the viewport.
...
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="/" class="navbar-brand scrollto"> is close to 1 other tap targets .
...
yundun.cn Mobile Speed: 31/100
Quick overview:
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 797.7KiB (66% reduction).
Compressing http://www.yundun.com/static/assets-1.0/images/slider/ddos.jpg could save 410.3KiB (78% reduction).
...
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 597.6KiB (75% reduction).
Compressing http://www.yundun.com/static/assets-1.0/css/bootstrap.css could save 116.3KiB (85% reduction).
...
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 23 blocking script resources and 12 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.
http://www.yundun.com/static/assets-1.0/js/jquery_1.10.2.js
...
Optimize CSS Delivery of the following:
http://www.yundun.com/static/assets-1.0/css/bootstrap.css
...
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://c.cnzz.com/core.php?web_id=3675140&t=z (15 minutes)
...
Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 88.5KiB (40% reduction).
Minifying http://www.yundun.com/static/assets-1.0/js/bootstrap.js could save 20KiB (34% reduction).
...
Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 59.9KiB (19% reduction).
Minifying http://www.yundun.com/static/assets-1.0/css/bootstrap.css could save 21.9KiB (17% reduction).
...
Minify HTML
Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
Minify HTML for the following resources to reduce their size by 11.1KiB (31% reduction).
Minifying http://www.yundun.com/ could save 9.1KiB (36% reduction).
...
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