263.net - SEO Checker - Website Review

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Top Technologies

Nginx

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PHP

Programming Languages

Google Tag Manager

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Google Font API

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jQuery

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26 263.net Last Updated: 8 months

Success 70% of passed verification steps

Warning 15% of total warning

Errors 15% of total errors, require fast action

Mobile

Performance Desktop Score 72%

Best Practices Desktop Score 69%

SEO Desktop Score 90%

Progressive Web App Desktop Score 19%

Performance Mobile Score 35%

Best Practices Mobile Score 69%

SEO Mobile Score 87%

Progressive Web App Mobile Score 22%

Page Authority Authority 50%

Domain Authority Domain Authority 20%

Moz Rank 5.0/10

Bounce Rate Rate 0%

Charset Encoding

Great, language/character encoding is specified: UTF-8

Title Tag 35 Characters

企业邮箱_企业直播_电话会议_视频会议系统-北京二六三企业通信有限公司

Meta Description 130 Characters

北京二六三企业通信有限公司（简称二六三企业通信），17年深耕企业通信服务领域，成为国内资深的企业级通信协作服务行业领导者。致力于帮助数十万家企业客户用极优的成本获得性能卓越的企业通信协作产品服务，帮助企业客户在企业互联时代的云端生态圈中实现智慧连接，共赢先机。

Effective URL 19 Characters

https://www.263.net

Excerpt Page content

企业邮箱_企业直播_电话会议_视频会议系统-北京二六三企业通信有限公司用户登录 : 销售热线：400-650-9263 个人注册免费试用企业邮箱 ...

Meta Keywords 14 Detected

企业邮箱视频会议视频会议系统企业邮箱注册电话会议企业云盘企业网盘云通信电话会议系统即时通信网络会议云网关云归档网络直播系统

Keywords Cloud Density

了解更多6 了解详情6 电话会议6 视频会议6 企业邮箱5 销售热线4 免费试用4 企业培训4 企业直播3 新闻中心3

Keyword Consistency Keyword density is one of the main terms in SEO

Keyword	Freq	Title	Desc	Domain	H1	H2
了解更多	6
了解详情	6
电话会议	6
视频会议	6
企业邮箱	5
销售热线	4
免费试用	4
企业培训	4
企业直播	3
新闻中心	3

Google Preview Your look like this in google search result

企业邮箱_企业直播_电话会议_视频会议系统-北京二六三企业通信有限公司

https://www.263.net

Robots.txt File Detected

http://263.net/robots.txt

Sitemap.xml File Detected

http://263.net/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: 2019-04-09 / 1 year

Create on: 1998-05-14 / 22 years

Expires on: 2020-05-13 / 3 months 2 days

Xiamen 35.Com Technology Co., Ltd. ,

Registrar Whois Server: whois.35.com

Registrar URL: http://www.35.com

Nameservers

NS.CAPITAL-ONLINE.COM.CN

NS3.CAPITAL-ONLINE.COM.CN

NS4.CAPITAL-ONLINE.COM.CN

NS5.CAPITAL-ONLINE.COM.CN

Page Size Code & Text Ratio

Document Size: ~37.42 KB

Code Size: ~21.67 KB

Text Size: ~15.76 KB Ratio: 42.10%

Estimation Traffic and Earnings

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Technologies

Nginx

Web Servers

PWA - Manifest

Manifest is not valid

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

Desktop

Max Potential First Input Delay 50 ms

The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task

Time to Interactive 0.8 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 14.8 s

A fast page load over a cellular network ensures a good mobile user experience

Estimated Input Latency 10 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

Remove unused CSS Potential savings of 17 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 849 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

Reduce server response times (TTFB) Root document took 1,620 ms

Time To First Byte identifies the time at which your server sends a response

Eliminate render-blocking resources Potential savings of 510 ms

Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles

Efficiently encode images Potential savings of 280 KB

Optimized images load faster and consume less cellular data

Enable text compression Potential savings of 178 KB

Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes

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

Total Blocking Time 0 ms

Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.

JavaScript execution time 0.2 s

Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this

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 153 KB

Serve images that are appropriately-sized to save cellular data and improve load time

Speed Index 6.5 s

Speed Index shows how quickly the contents of a page are visibly populated

First CPU Idle 0.8 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 2,241 KB

Large network payloads cost users real money and are highly correlated with long load times

Minimizes main-thread work 1.4 s

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this

First Contentful Paint 0.8 s

First Contentful Paint marks the time at which the first text or image is painted

Includes front-end JavaScript libraries with known security vulnerabilities 3 vulnerabilities detected

Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers

Avoid chaining critical requests 10 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 623 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 22 KB

Minifying JavaScript files can reduce payload sizes and script parse time

First Meaningful Paint 0.8 s

First Meaningful Paint measures when the primary content of a page is visible

Keep request counts low and transfer sizes small 94 requests • 2,241 KB

To set budgets for the quantity and size of page resources, add a budget.json file

Uses efficient cache policy on static assets 3 resources found

A long cache lifetime can speed up repeat visits to your page

Mobile

Minimize third-party usage Third-party code blocked the main thread for 10 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

Total Blocking Time 110 ms

Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.

JavaScript execution time 0.8 s

Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this

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

Defer offscreen images Potential savings of 1,337 KB

Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive

Properly size images Potential savings of 50 KB

Serve images that are appropriately-sized to save cellular data and improve load time

Speed Index 13.4 s

Speed Index shows how quickly the contents of a page are visibly populated

First CPU Idle 4.9 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).

Avoids enormous network payloads Total size was 2,239 KB

Large network payloads cost users real money and are highly correlated with long load times

Minimize main-thread work 3.4 s

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this

First Contentful Paint 2.7 s

First Contentful Paint marks the time at which the first text or image is painted

Includes front-end JavaScript libraries with known security vulnerabilities 3 vulnerabilities detected

Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers

Avoid chaining critical requests 10 chains found

Avoids an excessive DOM size 623 elements

Minify JavaScript Potential savings of 22 KB

Minifying JavaScript files can reduce payload sizes and script parse time

First Meaningful Paint 2.7 s

First Meaningful Paint measures when the primary content of a page is visible

Keep request counts low and transfer sizes small 93 requests • 2,239 KB

To set budgets for the quantity and size of page resources, add a budget.json file

Uses efficient cache policy on static assets 3 resources found

A long cache lifetime can speed up repeat visits to your page

Max Potential First Input Delay 160 ms

The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task

Time to Interactive 14.4 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 at 14.4 s

A fast page load over a cellular network ensures a good mobile user experience

Estimated Input Latency 10 ms

First Contentful Paint (3G) 5595 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 50% 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 96.55% 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 17 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 849 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

Server response times are low (TTFB) Root document took 320 ms

Time To First Byte identifies the time at which your server sends a response

Eliminate render-blocking resources Potential savings of 1,300 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 178 KB

Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes

Efficiently encode images Potential savings of 280 KB

Optimized images load faster and consume less cellular data

Speed And Optimization Tips

Only Registered Users

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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
Date: Mon, 09 Dec 2019 09:22:47 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 8327
Connection: keep-alive
Keep-Alive: timeout=200
ETag: W/"32206-1575598874000"
Last-Modified: Fri, 06 Dec 2019 02:21:14 GMT
Content-Encoding: gzip
Vary: Accept-Encoding
Age: 8
X-Cache: HIT
X-Cache-Hits: 16

DNS Records DNS Resource Records associated with a hostname

View DNS Records

Type	Name	Value	Class	TTL
A	263.net	211.150.65.26	IN	811
NS	263.net	ns5.capital-online.com.cn	IN	86312
NS	263.net	ns.capital-online.com.cn	IN	86312
NS	263.net	ns4.capital-online.com.cn	IN	86312
NS	263.net	ns3.capital-online.com.cn	IN	86312
MX	263.net	mx.263.net	IN	71
MX	263.net	mxw.263.net	IN	71
TXT	263.net	v=spf1 include:spf.263.net -all	IN	900

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26 263.net Last Updated: 8 months

Desktop

Mobile

Estimation Traffic and Earnings

Sign up for see all features and reviews about this site

Technologies

Nginx

PWA - Manifest

Desktop

Mobile

Speed And Optimization Tips

Sign up for see all features and reviews about this site

Alexa Rank

0

Information Server

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