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Top Technologies

Nginx
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Web Frameworks

54 download.com.vn Last Updated: 8 months

Success 62% of passed verification steps
Warning 23% of total warning
Errors 15% of total errors, require fast action

Desktop

Mobile

Performance Desktop Score 85%
Best Practices Desktop Score 54%
SEO Desktop Score 90%
Progressive Web App Desktop Score 42%
Performance Mobile Score 37%
Best Practices Mobile Score 62%
SEO Mobile Score 90%
Progressive Web App Mobile Score 48%
Page Authority Authority 51%
Domain Authority Domain Authority 50%
Moz Rank 5.1/10
Bounce Rate Rate 0%
Title Tag 109 Characters
DOWNLOAD PHẦN MỀM MIỄN PHÍ CHO WINDOWS, MAC, ANDROID, IOS, WINDOWS PHONE, WEBWARE, TÀI LIỆU - DOWNLOAD.COM.VN
Meta Description 162 Characters
Download.com.vn - Website giới thiệu và tải miễn phí phần mềm, tải ứng dụng, tải game, tài liệu và webapp cho Windows, Mac, iOS (iPhone/iPad/iPod Touch), Android.
Effective URL 23 Characters
https://download.com.vn
Excerpt Page content
Download phần mềm miễn phí cho Windows, MAC, Android, iOS, Windows Phone, Webware, Tài liệu - Download.com.vn download.com.vn Tất cả + Windows + Mac + Web + Linux + iOS + Android + Tài liệu + Phim mới + Windows Phone ...
Google Preview Your look like this in google search result
DOWNLOAD PHẦN MỀM MIỄN PHÍ CHO WINDOWS, MAC, ANDROID, IOS, W
https://download.com.vn
Download.com.vn - Website giới thiệu và tải miễn phí phần mềm, tải ứng dụng, tải game, tài liệu và webapp cho Windows, Mac, iOS (iPhone/iPad/iPod Touc
Robots.txt File Detected
Sitemap.xml File Detected
Page Size Code & Text Ratio
Document Size: ~39.47 KB
Code Size: ~2.49 KB
Text Size: ~36.97 KB Ratio: 93.69%

Estimation Traffic and Earnings

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Technologies

PWA - Manifest

Download.com.vn Download.com.vn Download

The web app manifest is a simple JSON file that gives you, the developer, the ability to control how your app appears to the user in areas where they would expect to see apps (for example, a mobile device's home screen)
Param name
Download.com.vn
Param short_name
Download
Param start_url
/?utm_source=homescreen
Param display
fullscreen
Param theme_color
#008000
Param background_color
#ffffff
Param gcm_sender_id
482941778795

Desktop

Desktop Screenshot
Uses deprecated APIs 1 warning found
Deprecated APIs will eventually be removed from the browser
Serve images in next-gen formats Potential savings of 246 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 1,420 ms
Time To First Byte identifies the time at which your server sends a response
Efficiently encode images Potential savings of 29 KB
Optimized images load faster and consume less cellular data
Minimize third-party usage Third-party code blocked the main thread for 30 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 60 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Reduce JavaScript execution time 1.5 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 3 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 56 KB
Serve images that are appropriately-sized to save cellular data and improve load time
Speed Index 2.3 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 1.5 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).
Avoid enormous network payloads Total size was 2,930 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimize main-thread work 3.3 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 0.3 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 1 vulnerability detected
Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers
Avoid chaining critical requests 1 chain 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 3,448 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 0.3 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 389 requests • 2,930 KB
To set budgets for the quantity and size of page resources, add a budget.json file
Use video formats for animated content Potential savings of 640 KB
Large GIFs are inefficient for delivering animated content. Consider using MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF to save network bytes
Serve static assets with an efficient cache policy 33 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 90 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 2.0 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 19.3 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

Mobile

Mobile Screenshot
First Meaningful Paint 1.2 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 345 requests • 1,844 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 37 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 480 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 16.2 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 at 16.2 s
A fast page load over a cellular network ensures a good mobile user experience
Estimated Input Latency 190 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) 2045 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 95% 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
Serve images in next-gen formats Potential savings of 198 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 340 ms
Time To First Byte identifies the time at which your server sends a response
Reduce the impact of third-party code Third-party code blocked the main thread for 2,060 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 2,990 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Reduce JavaScript execution time 8.3 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 151 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
Speed Index 7.4 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 12.2 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 1,844 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimize main-thread work 15.2 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 1.1 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 1 vulnerability detected
Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers
Avoid chaining critical requests 1 chain 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 2,471 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)

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
Cache-Control: private, max-age=1073
Content-Length: 32570
Content-Type: text/html; charset=utf-8
Content-Encoding: gzip
Expires: Wed, 08 Jan 2020 11:32:18 GMT
Last-Modified: Wed, 08 Jan 2020 11:10:31 GMT
Vary: *
Server: Microsoft-IIS/10.0
X-AspNetMvc-Version: 5.2
Date: Wed, 08 Jan 2020 11:14:24 GMT
DNS Records DNS Resource Records associated with a hostname
View DNS Records

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