51auto.com Site Title

【二手车_二手车交易市场_二手车网_二手车交易网】 - 51汽车网

51auto.com Meta Description

51汽车网,二手车,真实全面的二手车交易市场车源信息,图片,二手车市场报价及参考价格,拥有精准权威的二手车评估系统,是专业的二手车交易平台,提供二手车报价,二手车评估,商家,认证,个人二手车信息,买卖二手车就上51汽车

51auto.com Test Results

51auto.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 <a href="http://m.51auto.com/beijing/">北京二手车</a> and 9 others are close to other tap targets.

51auto.com Mobile Speed: 56/100

Quick overview:
Avoid landing page redirects
Your page has 4 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
http://51auto.com/
...
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 2 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.
Optimize CSS Delivery of the following:
http://cdn01.51autoimg.com/apps/m.51auto.com/css/app.min.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 86.3KiB (63% reduction).
Compressing http://cdn01.51autoimg.com/51auto/js/lib/jquery.min.js could save 61.5KiB (65% reduction).
...
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 36.8KiB (66% reduction).
Losslessly compressing http://cdn01.51autoimg.com/apps/m.51auto.com/css/images/logo-porsche.jpg could save 19.3KiB (62% 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://afpmm.alicdn.com/g/mm/afp-cdn/JS/w.js (expiration not specified)
...
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 608B (12% reduction).
Minifying http://m.51auto.com/shanghai/ could save 608B (12% reduction) after compression.

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