Qdyhcs.com Site Title

管道配件-通讯器材-电动工具-仪器仪表-青岛雅华机械设备租赁有限公司

Qdyhcs.com Meta Description

青岛雅华机械设备租赁有限公司成立于2017年07月03日，注册地位于山东省青岛市黄岛区（原开发区团结路157号内20栋1单元602户），法定代表人为李新成。经营范围包括机械、机电设备安装、调试、租赁、维修、拆除及销售；管道安装工程施工（不包括使用长输管道输送危险化学品）；建筑工程施工；防腐保温工程施工；防水工程施工；市政工程施工；土石方工程施工；装饰装潢工程设计及施工；钢结构工程施工；地基与基础工程施工；园林绿化工程施工；水电暖安装工程施工；销售：机械零部件、电线电缆、五金交电、劳保用品、建筑材料、钢材、木材、金属材料（不含贵金属）、管道配件、通讯器材、电动工具、仪器仪表、办公设备、包装材料、日用百货、办公用品、家用电器、商品混凝土、化工原料及产品（不含危险化学品及一类易制毒化学品）；普通货物装卸服务；普通货物运输服务；汽车租赁；建筑机具租赁及维修；一般经济信息咨询服务（未经金融监管部门批准，不得从事吸收存款、融资担保、代客理财等金融业务。）；货物进出口、技术进出口；经营其他无需行政审批即可经营的一般经营项目。（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）

Qdyhcs.com Test Results

Qdyhcs.com Mobile Performance: 76/100
Quick overview:
Max Potential First Input Delay
450 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.
First Meaningful Paint
2.2 s
First Meaningful Paint measures when the primary content of a page is visible. Learn more about the First Meaningful Paint metric.
Tasks
Lists the toplevel main thread tasks that executed during page load.
Final Screenshot
The last screenshot captured of the pageload.

829157849026

Diagnostics
Collection of useful page vitals.
Script Treemap Data
Used for treemap app
Network Requests
Lists the network requests that were made during page load.
Network Round Trip Times
20 ms
Network round trip times (RTT) have a large impact on performance. If the RTT to an origin is high, it's an indication that servers closer to the user could improve performance. Learn more about the Round Trip Time.
Metrics
Collects all available metrics.
Server Backend Latencies
500 ms
Server latencies can impact web performance. If the server latency of an origin is high, it's an indication the server is overloaded or has poor backend performance. Learn more about server response time.

Qdyhcs.com Mobile SEO: 98/100
Quick overview:
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. Learn how to make pages mobile-friendly.
Tap targets are not sized appropriately
90% appropriately sized tap targets
Interactive elements like buttons and links should be large enough (48x48px), or have enough space around them, to be easy enough to tap without overlapping onto other elements. Learn more about tap targets.

Qdyhcs.com Mobile Best Practices: 73/100
Quick overview:
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.
Trust and Safety
Does not use HTTPS
24 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.
Ensure CSP is effective against XSS attacks
A strong Content Security Policy (CSP) significantly reduces the risk of cross-site scripting (XSS) attacks. Learn how to use a CSP to prevent XSS
Qdyhcs.com Mobile PWA: 38/100
Quick overview:
PWA Optimized
Manifest doesn't have a maskable icon
A maskable icon ensures that the image fills the entire shape without being letterboxed when installing the app on a device. Learn about maskable manifest icons. No manifest was fetched
Is not configured for a custom splash screen
A themed splash screen ensures a high-quality experience when users launch your app from their homescreens. Learn more about splash screens. Failures: No manifest was fetched.
Does not set a theme color for the address bar.
The browser address bar can be themed to match your site. Learn more about theming the address bar. Failures: No manifest was fetched, No `<meta name="theme-color">` tag found.
Installable
Web app manifest or service worker do not meet the installability requirements
1 reason
Service worker is the technology that enables your app to use many Progressive Web App features, such as offline, add to homescreen, and push notifications. With proper service worker and manifest implementations, browsers can proactively prompt users to add your app to their homescreen, which can lead to higher engagement. Learn more about manifest installability requirements.
Qdyhcs.com Mobile Accessibility: 80/100
Quick overview:
Identical links have the same purpose.
Links with the same destination should have the same description, to help users understand the link's purpose and decide whether to follow it. Learn more about identical links.
Touch targets have sufficient size and 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.
Document has a main landmark.
One main landmark helps screen reader users navigate a web page. Learn more about landmarks.
Navigation
These are opportunities to improve keyboard navigation in your application.
The page contains a heading, skip link, or landmark region
Adding ways to bypass repetitive content lets keyboard users navigate the page more efficiently. Learn more about bypass blocks.
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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