21kjw.com Site Title

21科技网 - 用科技创造未来

21kjw.com Meta Description

现代化建设和进程离不开科技发展。21科技网在琳琅满目的网络讯息中,以全球视角,第一时间为关注科技行业的网民提供最新资讯、独特观点和先进产品,领略行业之最。用科技创造未来,用科技改变生活!

21kjw.com Test Results

21kjw.com Mobile Usability: 99/100

Quick overview:
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 <div id="gtop"></div> is close to 1 other tap targets.

21kjw.com Mobile Speed: 6/100

Quick overview:
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 4.5MiB (60% reduction).
Compressing and resizing http://img.weiot.net/portal/201707/31/133611lxql19bqaz274ndf.jpg could save 214.9KiB (98% 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://cms-bucket.nosdn.127.net/catchpic/9/9c/9c8881ed74a3ff272501fe8c4abb2157.jpg (expiration not specified)
...
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 2 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
http://www.21kjw.com/skin/js/cccc.js
...
Optimize CSS Delivery of the following:
http://www.21kjw.com/skin/style/cccc.css
Avoid landing page redirects
Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
http://21kjw.com/
...

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