Ysmp88.com Site Title
冷却器 散热器 换热器 减震器 波纹管 金属容器 江苏优商机械设备有限公司
Ysmp88.com Meta Description
江苏优商机械设备有限公司成立于2014年07月17日，注册地位于泰州市姜堰区娄庄镇工业集中区内，法定代表人为陈平。经营范围包括换热器、冷却器、表冷器、散热器、风门、弹簧支吊架、补偿器、波纹管、金属容器、减震器、四氟制品、管道配件、隔热管托、锅炉配件、连接件、通用机械零部件制造、加工、销售、维修；自营和代理各类商品及技术的进出口业务（国家限定公司经营和禁止进出口的商品及技术除外）。（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）
Ysmp88.com Test Results
Ysmp88.com Mobile Performance: 99/100
Quick overview:
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Properly size images
Potential savings of 1,486 KiB
Serve images that are appropriately-sized to save cellular data and improve load time. Learn how to size images.
Serve images in next-gen formats
Potential savings of 1,344 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.
Serve static assets with an efficient cache policy
26 resources found
A long cache lifetime can speed up repeat visits to your page. Learn more about efficient cache policies.
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
Efficiently encode images
Potential savings of 844 KiB
Optimized images load faster and consume less cellular data. Learn how to efficiently encode images.
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.
Max Potential First Input Delay
550 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.
Ysmp88.com Mobile SEO: 100/100
Quick overview:
Ysmp88.com Mobile Best Practices: 79/100
Quick overview:
Trust and Safety
Does not use HTTPS
27 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.
Ysmp88.com Mobile Accessibility: 86/100
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.
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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