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Top Technologies

Google Font API
Font Scripts
Nginx
Web Servers
jQuery
JavaScript Frameworks
CloudFlare
CDN
PHP
Programming Languages
Varnish
Cache Tools
Google Tag Manager
Tag Managers
Twitter Bootstrap
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1 vzan.com Last Updated: 4 years

Success 39% of passed verification steps
Warning 38% of total warning
Errors 23% of total errors, require fast action
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Desktop

Mobile

Performance Desktop Score 44%
Best Practices Desktop Score 79%
SEO Desktop Score 70%
Progressive Web App Desktop Score 19%
Page Authority Authority 46%
Domain Authority Domain Authority 7%
Moz Rank 4.6/10
Bounce Rate Rate 0%
Title Tag 27 Characters
微赞 - 企业直播营销平台，为企业提供专业微信直播方案
Meta Description 92 Characters
微赞 - 企业直播营销平台，为企业提供专业微信直播方案。我们专注于商业直播场景，适合企业全场景直播，旗下包括微赞直播、微赞论坛、微赞同城、小程序等产品矩阵，帮助企业提供专业的商业直播。
Effective URL 20 Characters
https://www.vzan.com
Excerpt Page content
微赞 - 企业直播营销平台，为企业提供专业微信直播方案 ...
Meta Keywords 14 Detected
微赞 商业直播 企业直播 微信直播 现场直播 网络直播 视频直播 视频直播系统 视频直播平台 活动直播 手机直播 培训直播 直播分发 媒体分发
Google Preview Your look like this in google search result
微赞 - 企业直播营销平台，为企业提供专业微信直播方案
https://www.vzan.com
微赞 - 企业直播营销平台，为企业提供专业微信直播方案。我们专注于商业直播场景，适合企业全场景直播，旗下包括微赞直播、微赞论坛、微赞同城、小程序等产品矩阵，帮助企业提供专业的商业直播。
Robots.txt File No Found
http://vzan.com/robots.txt
Sitemap.xml File No Found
http://vzan.com/sitemap.xml
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: 2018-11-30 / 5 years
Create on: 2005-04-21 / 19 years
Expires on: 2020-04-21 / 48 months 19 days

eName Technology Co., Ltd. ,
Registrar Whois Server: whois.ename.com
Registrar URL: http://www.ename.net

Nameservers
NS3.DNSV3.COM
NS4.DNSV3.COM
Page Size Code & Text Ratio
Document Size: ~36.24 KB
Code Size: ~18.5 KB
Text Size: ~17.73 KB Ratio: 48.94%

Social Data

Estimation Traffic and Earnings

31,285
Unique Visits
Daily
57,877
Pages Views
Daily
$37
Income
Daily
875,980
Unique Visits
Monthly
1,649,495
Pages Views
Monthly
$925
Income
Monthly
10,136,340
Unique Visits
Yearly
19,446,672
Pages Views
Yearly
$9,768
Income
Yearly

Technologies

PWA - Manifest

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

Desktop

Desktop Screenshot
Avoids large JavaScript libraries with smaller alternatives 0 large libraries found
Large JavaScript libraries can lead to poor performance. Prefer smaller, functionally equivalent libraries to reduce your bundle size
Total Blocking Time 410 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds
Enable text compression Potential savings of 102 KiB
Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes
First CPU Idle 2.9 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/).
Largest Contentful Paint 3.7 s
Largest Contentful Paint marks the time at which the largest text or image is painted
First Contentful Paint 0.8 s
First Contentful Paint marks the time at which the first text or image is painted
Avoid long main-thread tasks 7 long tasks found
Lists the longest tasks on the main thread, useful for identifying worst contributors to input delay
Minimize third-party usage Third-party code blocked the main thread for 0 ms
Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading
Properly size images Potential savings of 2,397 KiB
Serve images that are appropriately-sized to save cellular data and improve load time
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
Reduce JavaScript execution time 2.1 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
Time to Interactive 4.2 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
Page load is not fast enough on mobile networks Interactive on simulated mobile network at 22.4 s
A fast page load over a cellular network ensures a good mobile user experience
Defer offscreen images Potential savings of 3,483 KiB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive
Estimated Input Latency 100 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
Minify JavaScript Potential savings of 3 KiB
Minifying JavaScript files can reduce payload sizes and script parse time
Eliminate render-blocking resources Potential savings of 290 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Avoid serving legacy JavaScript to modern browsers Potential savings of 0 KiB
Polyfills and transforms enable legacy browsers to use new JavaScript features. However, many aren't necessary for modern browsers. For your bundled JavaScript, adopt a modern script deployment strategy using module/nomodule feature detection to reduce the amount of code shipped to modern browsers, while retaining support for legacy browsers
Reduce initial server response time Root document took 1,230 ms
Keep the server response time for the main document short because all other requests depend on it
Speed Index 4.3 s
Speed Index shows how quickly the contents of a page are visibly populated
Keep request counts low and transfer sizes small 98 requests • 8,047 KiB
To set budgets for the quantity and size of page resources, add a budget.json file
Largest Contentful Paint element 1 element found
This is the largest contentful element painted within the viewport
Max Potential First Input Delay 480 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task
Remove unused JavaScript Potential savings of 65 KiB
Remove unused JavaScript to reduce bytes consumed by network activity
Avoid enormous network payloads Total size was 8,047 KiB
Large network payloads cost users real money and are highly correlated with long load times
Avoids an excessive DOM size 487 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)
Efficiently encode images Potential savings of 1,320 KiB
Optimized images load faster and consume less cellular data
Serve static assets with an efficient cache policy 70 resources found
A long cache lifetime can speed up repeat visits to your page
Avoid large layout shifts 3 elements found
These DOM elements contribute most to the CLS of the page.
Avoid chaining critical requests 15 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
First Meaningful Paint 0.8 s
First Meaningful Paint measures when the primary content of a page is visible
Serve images in next-gen formats Potential savings of 4,232 KiB
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
Minimize main-thread work 6.5 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
Includes front-end JavaScript libraries with known security vulnerabilities 4 vulnerabilities detected
Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers

Mobile

Mobile Screenshot

Speed And Optimization Tips

Website speed has a huge impact on performance, affecting user experience, conversion rates and even rankings. ‪‬‬By reducing page load-times, users are less likely to get distracted and the search engines are more likely to reward you by ranking you
Title Website
Congratulations! Your title is optimized
Description Website
Congratulations! Your description is optimized
Robots.txt
Warning! Your site not have a robots.txt file
Sitemap.xml
Warning! Not found a sitemap file for your website
SSL Secure
Warning! Your website is not SSL secured (HTTPS).
Headings
Congratulations! You are using your H1 and H2 tags in your site
Blacklist
Congratulations! Your site is not listed in a blacklist
W3C Validator
Warning! Your site have errors W3C
Accelerated Mobile Pages (AMP)
Warning! Your site not have AMP Version
Domain Authority
Warning! Domain Authority of your website is slow. It is good to have domain authority more than 25.
GZIP Compress
Warning! Your site not is compressed, this can make slower response for the visitors
Favicon
Warning! Your site not have a favicon
Broken Links
Congratulations! You not have broken links View links
First 0 Links Relationship HTTP Status

Alexa Rank

15,716

Global Rank

1,314

China
Traffic
Search

Domain Available

Domain (TDL) and Typo Status
vzan.co Available
vzan.us Available
vzan.com Already Registered
vzan.org Already Registered
vzan.net Available
van.com Already Registered
fzan.com Already Registered
tzan.com Available

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
Date: Thu, 17 Sep 2020 19:15:17 GMT
Content-Type: text/html; charset=utf-8
Connection: keep-alive
Vary: Accept-Encoding
Cache-Control: private
X-AspNetMvc-Version: 5.2
X-AspNet-Version: 4.0.30319
X-Powered-By: ASP.NET
Access-Control-Allow-Origin: *
Access-Control-Allow-Methods: GET, POST, PUT, DELETE, OPTIONS
Access-Control-Allow-Headers: Content-Type
Content-Encoding: gzip
DNS Records DNS Resource Records associated with a hostname
View DNS Records
Type Name Value Class TTL
A vzan.com 212.64.62.204 IN 599
NS vzan.com ns3.dnsv5.com IN 21599
NS vzan.com ns4.dnsv5.com IN 21599
MX vzan.com mx1.qiye.aliyun.com IN 599
MX vzan.com mx2.qiye.aliyun.com IN 599
MX vzan.com mx3.qiye.aliyun.com IN 599

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