Guanjianchina.com Site Title

上海疆崇实业有限公司_房屋建设工程施工_建筑防水建设工程专业施工

Guanjianchina.com Meta Description

上海疆崇实业有限公司成立于2013年03月日，注册地位于上海市松江区新洞泾路13号23幢，法定代表人为郭微林，经营范围包括房屋建设工程施工，建筑防水建设工程专业施工，计算机网络工程，商务信息咨询，平面设计，电子商务（不得从事增值电信、金融业务），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）、家居用品、电子产品、日用百货、化妆品、五金交电、包装材料、橡塑制品、工艺礼品、建材、计算机及配件、通讯器材、皮革制品、办公用品、汽车用品、家用电器、不锈钢制品、铝合金制品、管道阀门、厨房用具、体育用品、电气设备批发零售。 【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】

Guanjianchina.com Test Results

Guanjianchina.com Mobile Performance: 97/100
Quick overview:
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
A `<meta name="viewport">` not only optimizes your app for mobile screen sizes, but also prevents a 300 millisecond delay to user input. Learn more about using the viewport meta tag. No `<meta name="viewport">` tag found
Avoid multiple page redirects
Est savings of 1,500 ms
Redirects introduce additional delays before the page can be loaded. Learn how to avoid page redirects.
Serve static assets with an efficient cache policy
12 resources found
A long cache lifetime can speed up repeat visits to your page. Learn more about efficient cache policies.
Avoid `document.write()`
For users on slow connections, external scripts dynamically injected via `document.write()` can delay page load by tens of seconds. Learn how to avoid document.write().
Document request latency
Est savings of 980 ms
Your first network request is the most important. Reduce its latency by avoiding redirects, ensuring a fast server response, and enabling text compression.
Use efficient cache lifetimes
Est savings of 78 KiB
A long cache lifetime can speed up repeat visits to your page. Learn more.
Optimize viewport for mobile
Tap interactions may be delayed by up to 300 ms if the viewport is not optimized for mobile.

Guanjianchina.com Mobile SEO: 80/100
Quick overview:
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Page has unsuccessful HTTP status code
403
Pages with unsuccessful HTTP status codes may not be indexed properly. Learn more about HTTP status codes.
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Document does not have a meta description
Meta descriptions may be included in search results to concisely summarize page content. Learn more about the meta description.

Guanjianchina.com Mobile Best Practices: 66/100
Quick overview:
Trust and Safety
Does not use HTTPS
85 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.
User Experience
Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
A `<meta name="viewport">` not only optimizes your app for mobile screen sizes, but also prevents a 300 millisecond delay to user input. Learn more about using the viewport meta tag. No `<meta name="viewport">` tag found
Document doesn't use legible font sizes
Font sizes less than 12px are too small to be legible and require mobile visitors to “pinch to zoom” in order to read. Strive to have >60% of page text ≥12px. Learn more about legible font sizes. Text is illegible because there's no viewport meta tag optimized for mobile screens.
General
Browser errors were logged to the console
Errors logged to the console indicate unresolved problems. They can come from network request failures and other browser concerns. Learn more about this errors in console diagnostic audit
Browser Compatibility
Charset declaration is missing or occurs too late in the HTML
A character encoding declaration is required. It can be done with a `<meta>` tag in the first 1024 bytes of the HTML or in the Content-Type HTTP response header. Learn more about declaring the character encoding.
Page lacks the HTML doctype, thus triggering quirks-mode
Specifying a doctype prevents the browser from switching to quirks-mode. Learn more about the doctype declaration. Document must contain a doctype
Guanjianchina.com Mobile Accessibility: 79/100
Quick overview:
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
`<html>` element does not have a `[lang]` attribute
If a page doesn't specify a `lang` attribute, a screen reader assumes that the page is in the default language that the user chose when setting up the screen reader. If the page isn't actually in the default language, then the screen reader might not announce the page's text correctly. Learn more about the `lang` attribute.
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