Nt-bst.com Site Title

机械化输送装配线，机械化物流设备生产，南通北思堂机械工程有限公司

Nt-bst.com Meta Description

南通北思堂机械工程有限公司成立于1988年05月24日，注册地位于海安市白甸镇人民南路9号，法定代表人为董卫红。经营范围包括涂装设备、机械化输送装配线、机械化物流设备、建材机械、结构件、电气自动化设备、控制附属动力设置柜体、电力成套设备设计、制造、销售、安装及附属设施装置设计、销售、安装；光（电）缆交接箱生产、销售；机电工程施工总承包；建筑机电安装工程专业承包；环保工程专业承包；污水处理；建筑业劳务分包；工业机电科技领域内的技术开发、转让、咨询；自营和代理各类商品和技术的进出口业务。（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） 许可项目：施工专业作业；各类工程建设活动（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，具体经营项目以审批结果为准）南通北思堂机械工程有限公司对外投资2家公司，具有1处分支机构。

Nt-bst.com Test Results

Nt-bst.com Mobile Performance: 98/100
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 410 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 298 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
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
510 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.

Nt-bst.com Mobile SEO: 100/100
Quick overview:

Nt-bst.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.
Nt-bst.com Mobile Accessibility: 67/100
Quick overview:
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.
Touch targets do not have sufficient size or spacing.
Touch targets with sufficient size and spacing help users who may have difficulty targeting small controls to activate the targets. Learn more about touch targets.
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.
Links do not have a discernible name
Link text (and alternate text for images, when used as links) that is discernible, unique, and focusable improves the navigation experience for screen reader users. Learn how to make links accessible.
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