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47 chat.zalo.me Last Updated: 2 weeks

Success 54% of passed verification steps
Warning 23% of total warning
Errors 23% of total errors, require fast action

Desktop

Mobile

Performance Desktop Score 27%
Best Practices Desktop Score 100%
SEO Desktop Score 89%
Progressive Web App Desktop Score 27%
Performance Mobile Score 1%
Best Practices Mobile Score 100%
SEO Mobile Score 91%
Progressive Web App Mobile Score 30%
Page Authority Authority 57%
Domain Authority Domain Authority 72%
Moz Rank 5.7/10
Bounce Rate Rate 0%
Charset Encoding
Great, language/character encoding is specified: UTF-8
Title Tag 25 Characters
ZALO WEB - ĐĂNG NHẬP ZALO
Meta Description 139 Characters
Đăng nhập Zalo Web để chat ngay trên máy tính. Zalo Web gửi hình, video cực nhanh lên đến 1GB, phân loại khách hàng, quản lý nhóm tiện lợi.
Effective URL 20 Characters
https://chat.zalo.me
Excerpt Page content
Zalo Web - Đăng nhập Zalo
Google Preview Your look like this in google search result
ZALO WEB - ĐĂNG NHẬP ZALO
https://chat.zalo.me
Đăng nhập Zalo Web để chat ngay trên máy tính. Zalo Web gửi hình, video cực nhanh lên đến 1GB, phân loại khách hàng, quản lý nhóm tiện lợi.
Robots.txt File No Found
Sitemap.xml File No Found
Page Size Code & Text Ratio
Document Size: ~2.98 KB
Code Size: ~2.26 KB
Text Size: ~738 B Ratio: 24.17%

Social Data

Estimation Traffic and Earnings

0
Unique Visits
Daily
0
Pages Views
Daily
$0
Income
Daily
0
Unique Visits
Monthly
0
Pages Views
Monthly
$0
Income
Monthly
0
Unique Visits
Yearly
0
Pages Views
Yearly
$0
Income
Yearly

Desktop

Desktop Screenshot
Remove unused CSS Potential savings of 193 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 24 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 180 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 200 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 2 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 20 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 190 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
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
Speed Index 4.1 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 4.3 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).
Avoid enormous network payloads Total size was 3,210 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimizes main-thread work 1.5 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 4.1 s
First Contentful Paint marks the time at which the first text or image is painted
Avoid chaining critical requests 3 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 10 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)
Preload key requests Potential savings of 3,070 ms
Consider using `<link rel=preload>` to prioritize fetching resources that are currently requested later in page load
First Meaningful Paint 4.1 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 19 requests • 3,210 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 7 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 1,090 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 4.3 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
Page load is not fast enough on mobile networks Interactive on simulated mobile network at 22.3 s
A fast page load over a cellular network ensures a good mobile user experience
Estimated Input Latency 480 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 37 KB
Minifying CSS files can reduce network payload sizes

Mobile

Mobile Screenshot
Serve images in next-gen formats Potential savings of 24 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 180 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 1,200 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 2 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 160 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 550 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Reduce JavaScript execution time 3.2 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
Speed Index 20.3 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 20.3 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).
Avoid enormous network payloads Total size was 3,218 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimize main-thread work 4.1 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 20.3 s
First Contentful Paint marks the time at which the first text or image is painted
Avoid chaining critical requests 3 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 10 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)
Preload key requests Potential savings of 17,880 ms
Consider using `<link rel=preload>` to prioritize fetching resources that are currently requested later in page load
First Meaningful Paint 20.3 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 19 requests • 3,218 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 7 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 3,060 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 20.9 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 20.9 s
A fast page load over a cellular network ensures a good mobile user experience
Estimated Input Latency 2,060 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) 42416 ms
First Contentful Paint 3G marks the time at which the first text or image is painted while on a 3G network
Minify CSS Potential savings of 37 KB
Minifying CSS files can reduce network payload sizes
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
Remove unused CSS Potential savings of 193 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

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
Congratulations! Your site have Support to HTTPS
Headings
Warning! Your page not contain any H1 and H2 headings. H1 and H2 headings help indicate the important topics of your page to search engines
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
Congratulations! Your Domain Authority is good
GZIP Compress
Warning! Your site not is compressed, this can make slower response for the visitors
Favicon
Congratulations! Your website appears to have a favicon.
Broken Links
Congratulations! You not have broken links View links

Alexa Rank

0

Local Rank: / Users: / PageViews:

Global Rank

Domain Available

Domain (TDL) and Typo Status
chat.zalo.co Already Registered
chat.zalo.us Already Registered
chat.zalo.com Already Registered
chat.zalo.org Already Registered
chat.zalo.net Already Registered
cat.zalo.me Already Registered
dhat.zalo.me Already Registered
rhat.zalo.me Already Registered

Information Server

Response Header HTTP headers carry information about the client browser, the requested page and the server
HTTP/2 200 
server: nginx
date: Fri, 01 Nov 2019 17:24:51 GMT
content-type: text/html
content-length: 3006
last-modified: Tue, 29 Oct 2019 07:32:00 GMT
etag: "5db7eaf0-bbe"
accept-ranges: bytes
strict-transport-security: max-age=31536000; includeSubdomains;
access-control-allow-credentials: true
x-xss-protection: 1
content-security-policy: upgrade-insecure-requests; default-src 'none'; script-src 'self' 'unsafe-eval' 'unsafe-inline' *.zaloapp.com *.zdn.vn *.zadn.vn *.dropboxapi.com *.google.com www.google-analytics.com www.gstatic.com; style-src 'self' 'unsafe-inline' *.zadn.vn *.zdn.vn blob:; font-src * data:; img-src * data: blob:; media-src * blob:; connect-src 'self' *.zalo.me *.zdn.vn *.zadn.vn *.zaloapp.com *.zing.vn *.dropboxapi.com *.google.com *.baomoi.com *.zingtv.vn *.zingmp3.vn blob:; child-src 'self' *.zapps.vn *.baomoi.com *.zingmp3.com *.zingmp3.vn www.facebook.com *.zalo.me *.google.com *.youtube.com *.googleapis.com *.zing.vn *.zdn.vn *.zadn.vn *.zaloapp.com *.soundcloud.com *.live.com blob: