Yuandianbg.com Site Title

重庆源典办公设备有限公司-办公设备-印刷设备及耗材的销售

Yuandianbg.com Meta Description

重庆源典办公设备有限公司成立于2007年07月30日，注册地位于重庆市九龙坡区渝州路4号13-9号，法定代表人为徐中川。经营范围包括办公设备、印刷设备及耗材的销售、维修、租赁，计算机软硬件开发、销售及技术服务，计算机网络服务，计算机网络工程设计、施工，销售计算机耗材、办公用品、体育用品、日用百货、劳保用品、酒店用品、塑料用品、仪器仪表、工艺美术品（象牙及其制品除外）、电子产品（不含电子出版物）、服装、家具、照明器材、消防器材、通讯器材（不含卫星地面接收设备）、床上用品、I类医疗器械、塑胶用品、电器设备、环保设备、音响设备、厨房设备、工程检测设备、制冷设备、电力设备、低压设备、家用电器、照相设备、社会公共安全设备及器材、安防设备、监控设备、摄影设备、投影设备。（依法须经批准的项目，经相关部门批准后方可开展经营活动）

Yuandianbg.com Test Results

Yuandianbg.com Mobile Performance: 93/100
Quick overview:
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Reduce unused CSS
Potential savings of 19 KiB
Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.
Largest Contentful Paint element
3,020 ms
This is the largest contentful element painted within the viewport. Learn more about the Largest Contentful Paint element
Eliminate render-blocking resources
Potential savings of 150 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. Learn how to eliminate render-blocking resources.
Serve static assets with an efficient cache policy
34 resources found
A long cache lifetime can speed up repeat visits to your page. Learn more about efficient cache policies.
Serve images in next-gen formats
Potential savings of 221 KiB
Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. Learn more about modern image formats.
Properly size images
Potential savings of 192 KiB
Serve images that are appropriately-sized to save cellular data and improve load time. Learn how to size images.
Efficiently encode images
Potential savings of 66 KiB
Optimized images load faster and consume less cellular data. Learn how to efficiently encode images.
Image elements do not have explicit `width` and `height`
Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions

Yuandianbg.com Mobile SEO: 100/100
Quick overview:

Yuandianbg.com Mobile Best Practices: 62/100
Quick overview:
General
Uses deprecated APIs
1 warning found
Deprecated APIs will eventually be removed from the browser. Learn more about deprecated APIs.
Trust and Safety
Does not use HTTPS
34 insecure requests found
All sites should be protected with HTTPS, even ones that don't handle sensitive data. This includes avoiding mixed content, where some resources are loaded over HTTP despite the initial request being served over HTTPS. HTTPS prevents intruders from tampering with or passively listening in on the communications between your app and your users, and is a prerequisite for HTTP/2 and many new web platform APIs. Learn more about HTTPS.
Does not redirect HTTP traffic to HTTPS
Make sure that you redirect all HTTP traffic to HTTPS in order to enable secure web features for all your users. Learn more.
Yuandianbg.com Mobile Accessibility: 74/100
Quick overview:
Best practices
These items highlight common accessibility best practices.
`[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5.
Disabling zooming is problematic for users with low vision who rely on screen magnification to properly see the contents of a web page. Learn more about the viewport meta tag.
Navigation
These are opportunities to improve keyboard navigation in your application.
Heading elements are not in a sequentially-descending order
Properly ordered headings that do not skip levels convey the semantic structure of the page, making it easier to navigate and understand when using assistive technologies. Learn more about heading order.
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
Low-contrast text is difficult or impossible for many users to read. Learn how to provide sufficient color contrast.
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