Zol.com.cn - SEO Checker - Website Review

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52 zol.com.cn Last Updated: 2 years

Success 62% of passed verification steps

Warning 23% of total warning

Errors 15% of total errors, require fast action

Mobile

Performance Desktop Score 71%

Best Practices Desktop Score 38%

SEO Desktop Score 64%

Progressive Web App Desktop Score 8%

Performance Mobile Score 35%

Best Practices Mobile Score 77%

SEO Mobile Score 85%

Progressive Web App Mobile Score 19%

Page Authority Authority 61%

Domain Authority Domain Authority 80%

Moz Rank 6.1/10

Bounce Rate Rate 0%

Charset Encoding

Great, language/character encoding is specified: GBK

Title Tag 87 Characters

中关村在线 - 大中华区专业IT网站 - THE VALUABLE AND PROFESSIONAL IT BUSINESS WEBSITE IN GREATER CHINA

Meta Description 103 Characters

中国领先的IT信息与商务门户, 包括新闻, 商城, 硬件, 下载, 游戏, 手机, 评测等40个大型频道，每天发布大量各类产品促销信息及文章专题，是IT行业的厂商, 经销商, IT产品, 解决方案的提供场所

Effective URL 21 Characters

http://www.zol.com.cn

Excerpt Page content

中关村在线 - 大中华区专业IT网站 - The valuable and professional IT business website in Greater China 手机客户端数码爱好者必备神器 ...

Keywords Cloud Density

概念产品17 去购买>14 oppo13 vivo11 ￥4998 华为nova7 mark6 三星galaxy6 thinkpad6 ¥29995

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

Keyword	Freq	Title	Desc	Domain	H1	H2
概念产品	17
去购买>	14
oppo	13
vivo	11
￥499	8
华为nova	7
mark	6
三星galaxy	6
thinkpad	6
¥2999	5

Google Preview Your look like this in google search result

中关村在线 - 大中华区专业IT网站 - THE VALUABLE AND PROFESSIONAL IT BUSINE

http://www.zol.com.cn

Robots.txt File Detected

http://zol.com.cn/robots.txt

Sitemap.xml File Detected

http://zol.com.cn/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: 1970-01-01 / 52 years

Create on: 1970-01-01 / 52 years

Expires on: 1970-01-01 / 627 months 23 days

Nameservers

ns.zol.com

ns1.zol.com

Page Size Code & Text Ratio

Document Size: ~418.17 KB

Code Size: ~261.51 KB

Text Size: ~156.67 KB Ratio: 37.46%

Estimation Traffic and Earnings

Only Registered Users

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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

Total Blocking Time 20 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 258 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 30 KB

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

Speed Index 9.4 s

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

First CPU Idle 1.6 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 1,471 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

robots.txt is not valid 1 error 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 0.5 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 2 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

Avoid an excessive DOM size 3,829 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)

First Meaningful Paint 0.5 s

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

Keep request counts low and transfer sizes small 176 requests • 1,471 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 68 resources found

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

Max Potential First Input Delay 80 ms

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

Time to Interactive 2.2 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 14.4 s

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

Estimated Input Latency 20 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

Uses deprecated APIs 1 warning found

Deprecated APIs will eventually be removed from the browser

Serve images in next-gen formats Potential savings of 301 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

Does not use HTTPS 61 insecure requests found

All sites should be protected with HTTPS, even ones that don't handle sensitive data. 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

Reduce server response times (TTFB) Root document took 1,260 ms

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

Enable text compression Potential savings of 9 KB

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

Efficiently encode images Potential savings of 130 KB

Optimized images load faster and consume less cellular data

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

Mobile

Serve static assets with an efficient cache policy 73 resources found

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

Max Potential First Input Delay 230 ms

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

Time to Interactive 11.6 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 11.6 s

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

Estimated Input Latency 40 ms

First Contentful Paint (3G) 5070 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 sized appropriately 100% 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 100% 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 10 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 360 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

Does not use HTTPS 2 insecure requests found

Server response times are low (TTFB) Root document took 310 ms

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

Eliminate render-blocking resources Potential savings of 360 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 44 KB

Optimized images load faster and consume less cellular data

Enable text compression Potential savings of 96 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 440 ms

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

Reduce JavaScript execution time 1.7 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 199 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 178 KB

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

Speed Index 11.7 s

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

First CPU Idle 8.5 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 1,516 KB

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

Minimize main-thread work 6.1 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 1 error 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 2.4 s

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

Avoid chaining critical requests 11 chains found

Avoids an excessive DOM size 669 elements

Preload key requests Potential savings of 1,080 ms

Consider using `<link rel=preload>` to prioritize fetching resources that are currently requested later in page load

First Meaningful Paint 2.4 s

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

Keep request counts low and transfer sizes small 123 requests • 1,516 KB

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

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
Date: Wed, 25 Dec 2019 23:04:26 GMT
Content-Type: text/html; charset=gbk
Connection: keep-alive
Expires: Wed, 25 Dec 2019 23:05:44 GMT
Server: openresty
Accept-Ranges: bytes
Cache-Control: max-age=120
Vary: Accept-Encoding
Content-Encoding: gzip
X-Ser: BC71_dx-lt-yd-zhejiang-huzhou-3-cache-3, BC17_dx-zhejiang-taizhou-2-cache-1

DNS Records DNS Resource Records associated with a hostname

View DNS Records

Type	Name	Value	Class	TTL
A	zol.com.cn	123.103.57.17	IN	159
NS	zol.com.cn	ns.zol.com	IN	83394
NS	zol.com.cn	ns1.zol.com	IN	83394
MX	zol.com.cn	staff.zol.com.cn	IN	300
TXT	zol.com.cn	v=spf1 ip4:123.103.72.0/24 ip4:117.79.92.96/27 ~all	IN	300
TXT	zol.com.cn	google-site-verification=SOqdyws7I0x3IhTWjwLgwDMra4P92J8z8C2-5JOGu0M	IN	300

Your Website Score is

Similar Ranking

Latest Sites

Top Technologies

52 zol.com.cn Last Updated: 2 years

Desktop

Mobile

Estimation Traffic and Earnings

Sign up for see all features and reviews about this site

Technologies

jQuery

Lua

Nginx

OpenResty

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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