Bom.ai Site Title
买正品元器件,上正能量电子网!原装现货电子元器件采购平台BOM.AI
Bom.ai Meta Description
正能量电子网(www.bom.ai)是国内外知名ic集成电路、主动芯片、电阻电容电感、被动器件等电子元器件采购交易网。提供价格、代理商、供求信息,现货市场采购、BOM秒配等服务。
Bom.ai Test Results
bom.ai Mobile Usability: 64/100
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.
正能量网络
renders only 5 pixels tall (12 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 1,280 CSS pixels wide, but the viewport is only 980 CSS pixels wide. The following elements fall outside the viewport:
The element
<i class="Bom_UserMenu_iconone">
falls outside the viewport.
...
bom.ai Mobile Speed: 62/100
Quick overview:
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 6 blocking script resources and 5 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.
https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js
...
Optimize CSS Delivery of the following:
https://static.bom.ai/assets/css/site.css?v=38790
...
Prioritize visible content
Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.
The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.
Only about 41% of the final above-the-fold content could be rendered with the full HTML response.
...
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:
https://static.bom.ai/assets/css/reset.css (expiration not specified)
...
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 7.5KiB (20% reduction).
Compressing https://static.bom.ai/assets/img/bom_upimg.png could save 4.7KiB (18% 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 4.7KiB (12% reduction).
Minifying https://static.bom.ai/assets/css/ic.css?v=38790 could save 4KiB (12% reduction) after compression.
...
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 1.9KiB (28% reduction).
Minifying https://static.bom.ai/assets/js/lib.js?v=38790 could save 1.7KiB (29% reduction) after compression.
...
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