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Web Frameworks

2 zb.plus Last Updated: 12 months

Success 32% of passed verification steps
Warning 30% of total warning
Errors 38% of total errors, require fast action

Desktop

Mobile

Performance Desktop Score 76%
Best Practices Desktop Score 77%
SEO Desktop Score 78%
Progressive Web App Desktop Score 46%
Performance Mobile Score 30%
Best Practices Mobile Score 77%
SEO Mobile Score 91%
Progressive Web App Mobile Score 74%
Page Authority Authority 0%
Domain Authority Domain Authority 0%
Moz Rank 0.0/10
Bounce Rate Rate 0%
Charset Encoding
Great, language/character encoding is specified: UTF-8
Title Tag 70 Characters
TRUSTWORTHY CRYPTOCURRENCY EXCHANGE PLATFORM | ZB SPOT EXCHANGE
Meta Description 151 Characters
ZB Spot Exchange is a reliable digital assets exchange and cryptocurrency trading network, providing transaction information of various cryptocurrency.
Effective URL 19 Characters
https://www.zb.plus
Excerpt Page content
Trustworthy Cryptocurrency Exchange Platform | ZB Spot Exchange 返回旧版 币种行情 ...
Keywords Cloud Density
返回旧版2 专业交易2 k线交易2 杠杆交易2 上币申请2 执法请求2 客服邮箱1 防诈骗验证通道1 投票上币1 我要投票1
Keyword Consistency Keyword density is one of the main terms in SEO
Keyword Freq Title Desc Domain H1 H2
返回旧版 2
专业交易 2
k线交易 2
杠杆交易 2
上币申请 2
执法请求 2
客服邮箱 1
防诈骗验证通道 1
投票上币 1
我要投票 1
Google Preview Your look like this in google search result
TRUSTWORTHY CRYPTOCURRENCY EXCHANGE PLATFORM | ZB SPOT
https://www.zb.plus
ZB Spot Exchange is a reliable digital assets exchange and cryptocurrency trading network, providing transaction information of various cryptocurrency
Robots.txt File No Found
Sitemap.xml File No Found
Page Size Code & Text Ratio
Document Size: ~37.86 KB
Code Size: ~14.16 KB
Text Size: ~23.7 KB Ratio: 62.60%

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
Avoid chaining critical requests 41 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 227 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 1.8 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 117 requests • 2,218 KB
To set budgets for the quantity and size of page resources, add a budget.json file
Uses efficient cache policy on static assets 1 resource found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 20 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 1.8 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
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
Minify CSS Potential savings of 11 KB
Minifying CSS files can reduce network payload sizes
Remove unused CSS Potential savings of 148 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
Reduce server response times (TTFB) Root document took 1,530 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 920 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
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 4 KB
Serve images that are appropriately-sized to save cellular data and improve load time
Speed Index 1.8 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 1.8 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 2,148 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimizes main-thread work 0.7 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 1.8 s
First Contentful Paint marks the time at which the first text or image is painted

Mobile

Mobile Screenshot
First Meaningful Paint 5.8 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 74 requests • 1,182 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 23 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 290 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 7.1 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
First Contentful Paint (3G) 12844 ms
First Contentful Paint 3G marks the time at which the first text or image is painted while on a 3G network
Estimated Input Latency 50 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
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 29 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 117 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 300 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 150 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Total Blocking Time 310 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
JavaScript execution time 1.1 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 90 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 66 KB
Serve images that are appropriately-sized to save cellular data and improve load time
Speed Index 12.4 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 6.7 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 1,182 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimize main-thread work 2.5 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 5.7 s
First Contentful Paint marks the time at which the first text or image is painted
Avoid chaining critical requests 23 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 481 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 8 KB
Minifying JavaScript files can reduce payload sizes and script parse time

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: ddcloud/1.66.0
Date: Fri, 13 Dec 2019 20:15:09 GMT
Content-Type: text/html; charset=utf-8
Connection: keep-alive
X-Powered-By: Express
Set-Cookie: zlan=cn; Domain=zb.plus; Path=/; Expires=Fri, 20 Dec 2019 20:15:09 GMT
ETag: W/"93d3-UrnoKoFl4+EcSyDIEtakTkVEfsw"
X-Frame-Options: SAMEORIGIN
Content-Encoding: gzip
DNS Records DNS Resource Records associated with a hostname
View DNS Records

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