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Top Technologies

Nginx
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Web Frameworks

32 21vek.by Last Updated: 3 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 43%
Best Practices Desktop Score 54%
SEO Desktop Score 82%
Progressive Web App Desktop Score 23%
Performance Mobile Score 33%
Best Practices Mobile Score 54%
SEO Mobile Score 99%
Progressive Web App Mobile Score 41%
Page Authority Authority 45%
Domain Authority Domain Authority 39%
Moz Rank 4.5/10
Bounce Rate Rate 0%
Charset Encoding
Great, language/character encoding is specified: UTF-8
Title Tag 121 Characters
ОНЛАЙН-ГИПЕРМАРКЕТ 21VEK.BY. ПРОДАЖА БЫТОВОЙ ТЕХНИКИ, ЭЛЕКТРОНИКИ, ТОВАРОВ ДЛЯ ДОМА ПО ВЫГОДНЫМ ЦЕНАМ В ИНТЕРНЕТ-МАГАЗИНЕ
Meta Description 218 Characters
Интернет-магазин 21vek.by - онлайн площадка в Беларуси по продаже бытовой техники, электроники, товаров для дома и дачи. Сервис нашего интернет-магазина всегда на высоте, а выгодные цены на продукцию Вас приятно удивят
Effective URL 20 Characters
https://www.21vek.by
Excerpt Page content
Онлайн-гипермаркет 21vek.by. Продажа бытовой техники, электроники, товаров для дома по выгодным ценам в интернет-магазине наверх ...
Keywords Cloud Density
аксессуары93 средства35 товары24 детские23 оборудование21 игрушки19 профессиональные17 инструментов16 мебель16 системы15
Keyword Consistency Keyword density is one of the main terms in SEO
Keyword Freq Title Desc Domain H1 H2
аксессуары 93
средства 35
товары 24
детские 23
оборудование 21
игрушки 19
профессиональные 17
инструментов 16
мебель 16
системы 15
Google Preview Your look like this in google search result
ОНЛАЙН-ГИПЕРМАРКЕТ 21VEK.BY. ПРОДАЖА БЫТОВОЙ ТЕХНИКИ, ЭЛЕКТР
https://www.21vek.by
Интернет-магазин 21vek.by - онлайн площадка в Беларуси по продаже бытовой техники, электроники, товаров для дома и дачи. Сервис нашего интернет-магази
Robots.txt File Detected
Sitemap.xml File Detected
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: 2020-02-05 / 6 months
Create on: 2005-12-13 / 15 years
Expires on: 2022-02-18 / 18 months 15 days

Open Contact, Ltd ,BY
Registrar Address: 220020, г. Минск, пр. Победителей, д. 100, офис 203 ,

Nameservers
ns1.21vek.by
ns2.21vek.by
Page Size Code & Text Ratio
Document Size: ~799.7 KB
Code Size: ~619.45 KB
Text Size: ~180.25 KB Ratio: 22.54%

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 an excessive DOM size 5,478 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 215 KB
Minifying JavaScript files can reduce payload sizes and script parse time
First Meaningful Paint 0.7 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 308 requests • 4,846 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 61 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 170 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 6.3 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 29.5 s
A fast page load over a cellular network ensures a good mobile user experience
Estimated Input Latency 60 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 27 KB
Minifying CSS files can reduce network payload sizes
Remove unused CSS Potential savings of 806 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 406 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 1,610 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 300 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 294 KB
Optimized images load faster and consume less cellular data
Enable text compression Potential savings of 11 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 180 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 370 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Reduce JavaScript execution time 1.9 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 78 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 60 KB
Serve images that are appropriately-sized to save cellular data and improve load time
Speed Index 3.7 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 5.2 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).
Avoid enormous network payloads Total size was 4,722 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 0.6 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 6 vulnerabilities detected
Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers
Avoid chaining critical requests 20 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

Mobile

Mobile Screenshot
Avoid multiple page redirects Potential savings of 780 ms
Redirects introduce additional delays before the page can be loaded
Reduce server response times (TTFB) Root document took 1,270 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 840 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 5 KB
Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes
Reduce the impact of third-party code Third-party code blocked the main thread for 1,270 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 1,950 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Reduce JavaScript execution time 4.5 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 442 KB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive
Speed Index 7.0 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 15.8 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).
Avoid enormous network payloads Total size was 2,799 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimize main-thread work 6.9 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 2.5 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 3 vulnerabilities detected
Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers
Avoid chaining critical requests 17 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 1,026 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 28 KB
Minifying JavaScript files can reduce payload sizes and script parse time
First Meaningful Paint 2.5 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 188 requests • 2,799 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 27 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 440 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 18.2 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 18.2 s
A fast page load over a cellular network ensures a good mobile user experience
First Contentful Paint (3G) 4944.5 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 170 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 27 KB
Minifying CSS files can reduce network payload sizes
Tap targets are not sized appropriately 94% 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 60.57% 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 334 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

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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, 29 Apr 2020 02:30:07 GMT
Content-Type: text/html; charset=UTF-8
Connection: keep-alive
Set-Cookie: __cfduid=d0576b5833cb3cd5d08484b692950450c1588127407; expires=Fri, 29-May-20 02:30:07 GMT; path=/; domain=.21vek.by; HttpOnly; SameSite=Lax
Set-Cookie: 21vek=d810416905f081363d8514f334d39cf8; path=/; domain=21vek.by; secure; HttpOnly
Set-Cookie: Settings[u_source]=Q2FrZQ%3D%3D.Fys9phqtC5xMWUknDGCIwGoX974%3D; expires=Thu, 29-Apr-2021 02:30:07 GMT; Max-Age=31536000; path=/; domain=21vek.by
Set-Cookie: Settings[Banners]=Q2FrZQ%3D%3D.BH0mpA3yVpEBdRw4DmnMkiMVt%2FZHo%2F82RNEEmDiiCJPdr6FLCoptJ9bxKDxrEezN3fjKznK7Qthuedl9LGIArYN3ieERKesg8qm2qaTZrWM6FbWjEGz1ekqB; expires=Thu, 30-Apr-2020 02:30:07 GMT; Max-Age=86400; path=/; domain=21vek.by
Set-Cookie: Settings[userCity_]=Q2FrZQ%3D%3D.BH0gskutBoIMHg05HH3cwWhK4aYY8K4mXN8WiyWwX82L%2BqFIGuQrNc7gKiN7eq7fxeuYozezRMl6B519LWlW09pljOUZRKky6rjmuuk%3D; expires=Sun, 01-May-2022 02:30:07 GMT; Max-Age=63244800; path=/; domain=21vek.by
X-N-hash: c6f16ba4-01a4-4ca4-a9a4-abf6c2b16ba4
CF-Cache-Status: DYNAMIC
Expect-CT: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
Server: cloudflare
CF-RAY: 58b59966db26e855-EWR
Content-Encoding: gzip
cf-request-id: 02655e34440000e85542009200000001
DNS Records DNS Resource Records associated with a hostname
View DNS Records

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