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Top Technologies

Nginx
Web Servers
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Web Frameworks

26 knet.cn Last Updated: 8 months

Success 70% of passed verification steps
Warning 7% of total warning
Errors 23% of total errors, require fast action

Desktop

Mobile

Performance Mobile Score 31%
Best Practices Mobile Score 85%
SEO Mobile Score 82%
Progressive Web App Mobile Score 52%
Page Authority Authority 57%
Domain Authority Domain Authority 3%
Moz Rank 5.7/10
Bounce Rate Rate 0%
Charset Encoding
Great, language/character encoding is specified: UTF-8
Title Tag 55 Characters
中文域名注册_中文域名_北龙中网.网址_中网.网址_顶级域名_中文域名.网址_新通用顶级域名_北龙中网官方网站
Meta Description 128 Characters
.网址中文域名注册局、北龙中网.网址,北龙中网由中国科学院计算机网络信息中心负责资产管理业务的独资公司中科北龙出资组建,主要服务领域中文域名、新通用顶级域名、顶级域名等,.网址是经ICANN批准的全球通用的国际顶级中文域名,可信网站验证为中网推出的验证服务
Effective URL 15 Characters
https://knet.cn
Excerpt Page content
中文域名注册_中文域名_北龙中网.网址_中网.网址_顶级域名_中文域名.网址_新通用顶级域名_北龙中网官方网站
Google Preview Your look like this in google search result
中文域名注册_中文域名_北龙中网.网址_中网.网址_顶级域名_中文域名.网址_新通用顶级域名_北龙中网官方网站
https://knet.cn
.网址中文域名注册局、北龙中网.网址,北龙中网由中国科学院计算机网络信息中心负责资产管理业务的独资公司中科北龙出资组建,主要服务领域中文域名、新通用顶级域名、顶级域名等,.网址是经ICANN批准的全球通用的国际顶级中文域名,可信网站验证为中网推出的验证服务
Robots.txt File Detected
Sitemap.xml File Detected
Whois Is a query and response protocol that is widely used for querying databases that store the registered users or assignees of an Internet resource, such as a domain name, an IP address block, or an autonomous system
Updated: 1970-01-01 / 51 years
Create on: 1970-01-01 / 51 years
Expires on: 1970-01-01 / 617 months 15 days

Nameservers
cns1.zdnscloud.net
dns1.zdnscloud.info
ins1.zdnscloud.com
vns1.zdnscloud.biz
Page Size Code & Text Ratio
Document Size: ~1.75 KB
Code Size: ~1.48 KB
Text Size: ~281 B Ratio: 15.65%

Estimation Traffic and Earnings

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Technologies

PWA - Manifest

Manifest is not valid
Your site don't have valid manifest.json, read more in Web App Manifest

Desktop

Desktop Screenshot

Mobile

Mobile Screenshot
Reduce JavaScript execution time 1.8 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
Defer offscreen images Potential savings of 798 KB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive
Server Backend Latencies 0 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
Properly size images Potential savings of 385 KB
Serve images that are appropriately-sized to save cellular data and improve load time
Speed Index 18.6 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 6.0 s
First CPU Idle marks the first time at which the page's main thread is quiet enough to handle input. [Learn more](https://web.dev/first-cpu-idle).
Avoids enormous network payloads Total size was 1,818 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimize main-thread work 4.9 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
robots.txt is not valid 31 errors found
If your robots.txt file is malformed, crawlers may not be able to understand how you want your website to be crawled or indexed
First Contentful Paint 5.3 s
First Contentful Paint marks the time at which the first text or image is painted
Avoid chaining critical requests 5 chains found
The Critical Request Chains below show you what resources are loaded with a high priority. Consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load
Avoids an excessive DOM size 802 elements
A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow)
Minify JavaScript Potential savings of 5 KB
Minifying JavaScript files can reduce payload sizes and script parse time
First Meaningful Paint 5.3 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 35 requests • 1,818 KB
To set budgets for the quantity and size of page resources, add a budget.json file
Serve static assets with an efficient cache policy 28 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 520 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 7.3 s
Time to interactive is the amount of time it takes for the page to become fully interactive
Network Round Trip Times 0 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
Estimated Input Latency 170 ms
Estimated Input Latency is an estimate of how long your app takes to respond to user input, in milliseconds, during the busiest 5s window of page load. If your latency is higher than 50 ms, users may perceive your app as laggy
First Contentful Paint (3G) 10566 ms
First Contentful Paint 3G marks the time at which the first text or image is painted while on a 3G network
Tap targets are not sized appropriately 90% appropriately sized tap targets
Interactive elements like buttons and links should be large enough (48x48px), and have enough space around them, to be easy enough to tap without overlapping onto other elements
Document uses legible font sizes 85.82% legible text
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
Remove unused CSS Potential savings of 87 KB
Remove dead rules from stylesheets and defer the loading of CSS not used for above-the-fold content to reduce unnecessary bytes consumed by network activity
Serve images in next-gen formats Potential savings of 409 KB
Image formats like JPEG 2000, JPEG XR, and WebP often provide better compression than PNG or JPEG, which means faster downloads and less data consumption
Avoid multiple page redirects Potential savings of 780 ms
Redirects introduce additional delays before the page can be loaded
Reduce server response times (TTFB) Root document took 1,290 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 300 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Enable text compression Potential savings of 45 KB
Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes
Efficiently encode images Potential savings of 110 KB
Optimized images load faster and consume less cellular data
Total Blocking Time 300 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.

Speed And Optimization Tips

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Alexa Rank

0

Local Rank: / Users: / PageViews:

Global Rank

Information Server

Response Header HTTP headers carry information about the client browser, the requested page and the server
HTTP/1.1 200 OK
Server: nginx/1.8.1
Date: Wed, 15 Jan 2020 13:45:09 GMT
Content-Type: text/html
Last-Modified: Tue, 14 Jan 2020 08:51:43 GMT
Connection: keep-alive
Vary: Accept-Encoding
ETag: W/"5e1d811f-560"
Content-Encoding: gzip
DNS Records DNS Resource Records associated with a hostname
View DNS Records

Comments

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