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Top Technologies

Google Font API
Font Scripts
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Nginx
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Font Awesome
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CloudFlare
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Web Frameworks
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SEO

19 virtobooks.site Last Updated: 10 months

Success 70% of passed verification steps
Warning 7% of total warning
Errors 23% of total errors, require fast action

Desktop

Mobile

Performance Desktop Score 95%
Best Practices Desktop Score 60%
SEO Desktop Score 83%
Progressive Web App Desktop Score 36%
Performance Mobile Score 89%
Best Practices Mobile Score 87%
SEO Mobile Score 86%
Progressive Web App Mobile Score 42%
Page Authority Authority 1%
Domain Authority Domain Authority 1%
Moz Rank 0.1/10
Bounce Rate Rate 0%
Title Tag 9 Characters
VIRUBOOKS
Meta Description 73 Characters
مدونة عالم التميز مدونة تقنية عربية مهمتها جعل العرب في القمة الإلكتروينة
Effective URL 27 Characters
https://www.virtobooks.site
Excerpt Page content
virubooks الرئيسية سياسة الخصوصية اتصل بنا القائمة روايات اقتباسات كتب دينية كتب علمية كتب الطبخ كتب اطفال كتب البرمجة كتب التنمية الذاتية ...
Keywords Cloud Density
كتاب17 تحميل11 فيرتوبكس10 المزيد9 google+9 اقرأ9 شارك9 twitter9 facebook9 الكتاب4
Keyword Consistency Keyword density is one of the main terms in SEO
Keyword Freq Title Desc Domain H1 H2
كتاب 17
تحميل 11
فيرتوبكس 10
المزيد 9
google+ 9
اقرأ 9
شارك 9
twitter 9
facebook 9
الكتاب 4
Google Preview Your look like this in google search result
VIRUBOOKS
https://www.virtobooks.site
مدونة عالم التميز مدونة تقنية عربية مهمتها جعل العرب في القمة الإلكتروينة
Robots.txt File Detected
Sitemap.xml File Detected
Page Size Code & Text Ratio
Document Size: ~129.06 KB
Code Size: ~52.69 KB
Text Size: ~76.36 KB Ratio: 59.17%

Estimation Traffic and Earnings

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

Desktop Screenshot
Web app manifest or service worker do not meet the installability requirements 1 reason
Service worker is the technology that enables your app to use many Progressive Web App features, such as offline, add to homescreen, and push notifications. With proper service worker and manifest implementations, browsers can proactively prompt users to add your app to their homescreen, which can lead to higher engagement
Includes front-end JavaScript libraries with known security vulnerabilities 4 vulnerabilities detected
Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers
Largest Contentful Paint 1.1 s
Largest Contentful Paint marks the time at which the largest text or image is painted
First Meaningful Paint 1.1 s
First Meaningful Paint measures when the primary content of a page is visible
Minimizes main-thread work 0.9 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
First Contentful Paint 1.0 s
First Contentful Paint marks the time at which the first text or image is painted
Avoid serving legacy JavaScript to modern browsers Potential savings of 16 KiB
Polyfills and transforms enable legacy browsers to use new JavaScript features. However, many aren't necessary for modern browsers. For your bundled JavaScript, adopt a modern script deployment strategy using module/nomodule feature detection to reduce the amount of code shipped to modern browsers, while retaining support for legacy browsers
Largest Contentful Paint element 1 element found
This is the largest contentful element painted within the viewport
Avoid chaining critical requests 19 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
Keep request counts low and transfer sizes small 58 requests • 1,157 KiB
To set budgets for the quantity and size of page resources, add a budget.json file
Avoid large layout shifts 5 elements found
These DOM elements contribute most to the CLS of the page.
Initial server response time was short Root document took 560 ms
Keep the server response time for the main document short because all other requests depend on it
Avoid long main-thread tasks 1 long task found
Lists the longest tasks on the main thread, useful for identifying worst contributors to input delay
Avoids an excessive DOM size 485 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)
Max Potential First Input Delay 60 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task
Properly size images Potential savings of 69 KiB
Serve images that are appropriately-sized to save cellular data and improve load time
Efficiently encode images Potential savings of 7 KiB
Optimized images load faster and consume less cellular data
Total Blocking Time 0 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds
Serve static assets with an efficient cache policy 7 resources found
A long cache lifetime can speed up repeat visits to your page
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
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
Cumulative Layout Shift 0.073
Cumulative Layout Shift measures the movement of visible elements within the viewport
Time to Interactive 1.5 s
Time to interactive is the amount of time it takes for the page to become fully interactive
Links do not have descriptive text 1 link found
Descriptive link text helps search engines understand your content
Avoids enormous network payloads Total size was 1,157 KiB
Large network payloads cost users real money and are highly correlated with long load times
Eliminate render-blocking resources Potential savings of 480 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Speed Index 1.2 s
Speed Index shows how quickly the contents of a page are visibly populated
Reduce unused JavaScript Potential savings of 222 KiB
Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity
JavaScript execution time 0.4 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
Reduce unused CSS Potential savings of 298 KiB
Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity
Serve images in next-gen formats Potential savings of 37 KiB
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

Mobile

Mobile Screenshot
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
Avoid chaining critical requests 2 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
Web app manifest or service worker do not meet the installability requirements 1 reason
Service worker is the technology that enables your app to use many Progressive Web App features, such as offline, add to homescreen, and push notifications. With proper service worker and manifest implementations, browsers can proactively prompt users to add your app to their homescreen, which can lead to higher engagement
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
Eliminate render-blocking resources Potential savings of 700 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Avoid multiple page redirects Potential savings of 780 ms
Redirects introduce additional delays before the page can be loaded
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
Time to Interactive 2.4 s
Time to interactive is the amount of time it takes for the page to become fully interactive
Minimizes main-thread work 0.5 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
Serve images in next-gen formats Potential savings of 8 KiB
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
Initial server response time was short Root document took 290 ms
Keep the server response time for the main document short because all other requests depend on it
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
Uses efficient cache policy on static assets 5 resources found
A long cache lifetime can speed up repeat visits to your page
First Contentful Paint (3G) 3390 ms
First Contentful Paint 3G marks the time at which the first text or image is painted while on a 3G network
Keep request counts low and transfer sizes small 11 requests • 101 KiB
To set budgets for the quantity and size of page resources, add a budget.json file
Avoid long main-thread tasks 2 long tasks found
Lists the longest tasks on the main thread, useful for identifying worst contributors to input delay
First Contentful Paint 1.7 s
First Contentful Paint marks the time at which the first text or image is painted
Links do not have descriptive text 1 link found
Descriptive link text helps search engines understand your content
Avoids an excessive DOM size 248 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)
Max Potential First Input Delay 100 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task
Largest Contentful Paint 2.4 s
Largest Contentful Paint marks the time at which the largest text or image is painted
Speed Index 2.3 s
Speed Index shows how quickly the contents of a page are visibly populated
Avoid large layout shifts 5 elements found
These DOM elements contribute most to the CLS of the page.
Avoids enormous network payloads Total size was 101 KiB
Large network payloads cost users real money and are highly correlated with long load times
JavaScript execution time 0.1 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
Cumulative Layout Shift 0.256
Cumulative Layout Shift measures the movement of visible elements within the viewport
Reduce unused JavaScript Potential savings of 41 KiB
Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity
First Meaningful Paint 1.7 s
First Meaningful Paint measures when the primary content of a page is visible
Largest Contentful Paint element 1 element found
This is the largest contentful element painted within the viewport
Total Blocking Time 20 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds
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

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
Congratulations! Your site have a robots.txt file
Sitemap.xml
Congratulations! We've found a sitemap file for your website
SSL Secure
Congratulations! Your site have Support to HTTPS
Headings
Congratulations! You are using your H1 and H2 tags in your site
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
Warning! Domain Authority of your website is slow. It is good to have domain authority more than 25.
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.

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Global Rank

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Information Server

Response Header HTTP headers carry information about the client browser, the requested page and the server
HTTP/2 200 
content-type: text/html; charset=UTF-8
expires: Tue, 31 Aug 2021 19:49:46 GMT
date: Tue, 31 Aug 2021 19:49:46 GMT
cache-control: private, max-age=0
last-modified: Mon, 30 Aug 2021 23:50:50 GMT
etag: "101ef641-8c3c-42ec-a683-fa9b2be48686"
x-content-type-options: nosniff
x-xss-protection: 1; mode=block
content-length: 0
server: GSE
DNS Records DNS Resource Records associated with a hostname
View DNS Records
Add extension to Chrome