Yuanzhuang1688.com Site Title

工业设备_机电设备_机械设备_上海庄捷工业设备有限公司

Yuanzhuang1688.com Meta Description

上海庄捷工业设备有限公司成立于2015年04月17日，注册地位于上海市闵行区庙泾路66号J204室，法定代表人为王磊。经营范围包括工业设备、机电设备、机械设备、制冷设备、水处理设备、净水设备、办公用品及设备、五金交电、电子产品、电动工具、家用电器、汽摩配件、仪器仪表、橡塑制品、化工产品及原料（除危险化学品、监控化学品、烟花爆竹、民用爆炸物品、易制毒化学品）、包装材料、服装服饰、化妆品、计算机、软件及辅助设备、防护用品及设备、水上救生衣、消防器材、消防设备、防爆器材、劳防用品的销售，企业营销策划，商务咨询，从事能源科技、智能化科技、环保科技领域内的技术开发、技术咨询、技术服务、技术转让，从事货物及技术的进出口业务。 【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】

Yuanzhuang1688.com Test Results

Yuanzhuang1688.com Mobile Performance: 96/100
Quick overview:
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Serve images in next-gen formats
Potential savings of 1,063 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 1,017 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 665 KiB
Optimized images load faster and consume less cellular data. Learn how to efficiently encode images.
Serve static assets with an efficient cache policy
24 resources found
A long cache lifetime can speed up repeat visits to your page. Learn more about efficient cache policies.
Eliminate render-blocking resources
Potential savings of 0 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.
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
Max Potential First Input Delay
640 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric.

Yuanzhuang1688.com Mobile SEO: 100/100
Quick overview:

Yuanzhuang1688.com Mobile Best Practices: 76/100
Quick overview:
Trust and Safety
Does not use HTTPS
25 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.
User Experience
Serves images with low resolution
Image natural dimensions should be proportional to the display size and the pixel ratio to maximize image clarity. Learn how to provide responsive images.
Yuanzhuang1688.com Mobile Accessibility: 79/100
Quick overview:
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Image elements have `[alt]` attributes that are redundant text.
Informative elements should aim for short, descriptive alternative text. Alternative text that is exactly the same as the text adjacent to the link or image is potentially confusing for screen reader users, because the text will be read twice. Learn more about the `alt` attribute.
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.
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.
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