Site Title

华人螺丝网-人气最旺的紧固件|标准件|螺栓|螺母|螺钉|铆钉|垫圈专业网 Meta Description

买螺丝找华网!紧固件免费采购热线:400-700-9799 华人螺丝网成立于2004年,是紧固件行业人气最旺的网上贸易平台,作为中国紧固件工业协会官方指定网站,旗下包括华人螺丝出口网、《螺丝产业大全》、《华人螺丝》杂志、上海紧固件专业展等品牌。主要提供标准查询:DIN德标、IFI美标、JIS日标、GB国标等免费标准查询;网上的产品供求信息包括:标准紧固件、非标紧固件、高强度紧固件、不锈钢紧固件、螺丝设备、模具、螺栓、螺母、螺柱、螺钉、自攻螺钉、木螺钉、垫圈、挡圈、销、铆钉、组合件、连接副、焊钉等;螺丝商学院的大讲坛、人才市场更是行业最火爆的交流社区,加上专业及时的行业资讯、展会信息等,华人螺丝网是您做生意、交朋友、学知识的最佳平台! Test Results Mobile Usability: 57/100

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.
华人螺丝网 and 3 others render only 3 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="">华人螺丝网</a> and 4 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.
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. (456 x 12).
... Mobile Speed: 16/100

Quick overview:
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: (expiration not specified)
Reduce server response time
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 576.3KiB (44% reduction).
Losslessly compressing could save 33.2KiB (77% reduction).
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 6 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
Optimize CSS Delivery of the following:
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 380.9KiB (76% reduction).
Compressing could save 176.7KiB (83% reduction).
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 51.8KiB (25% reduction).
Minifying could save 18.4KiB (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 46.5KiB (22% reduction).
Minifying could save 46.5KiB (22% 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 12.7KiB (18% reduction).
Minifying could save 11.7KiB (24% reduction).

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