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Web Frameworks

62 uniroma1.it Last Updated: 8 months

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

Desktop

Mobile

Performance Desktop Score 29%
Best Practices Desktop Score 77%
SEO Desktop Score 82%
Progressive Web App Desktop Score 27%
Performance Mobile Score 6%
Best Practices Mobile Score 77%
SEO Mobile Score 91%
Progressive Web App Mobile Score 26%
Page Authority Authority 54%
Domain Authority Domain Authority 72%
Moz Rank 5.4/10
Bounce Rate Rate 0%
Title Tag 34 Characters
HOME | SAPIENZA UNIVERSITÀ DI ROMA
Meta Description 0 Characters
NO DATA
Effective URL 26 Characters
https://www.uniroma1.it/it
Excerpt Page content
Home | Sapienza Università di Roma Toggle navigation Studenti Laureati Territorio Contatti ITEN ...
Keywords Cloud Density
sapienza13 gennaio11 roma10 piazzale7 moro7 aldo7 corsi7 aula6 edificio4 scadenza4
Keyword Consistency Keyword density is one of the main terms in SEO
Keyword Freq Title Desc Domain H1 H2
sapienza 13
gennaio 11
roma 10
piazzale 7
moro 7
aldo 7
corsi 7
aula 6
edificio 4
scadenza 4
Google Preview Your look like this in google search result
HOME | SAPIENZA UNIVERSITÀ DI ROMA
https://www.uniroma1.it/it
Home | Sapienza Università di Roma Toggle navigation Studenti Laureati Territorio Contatti ITEN ...
Robots.txt File No Found
Sitemap.xml File No Found
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: 1970-01-01 / 51 years
Create on: 1970-01-01 / 51 years
Expires on: 1970-01-01 / 617 months 13 days

Universita' degli Studi di Roma La Sapienza Consortium GARR ,
Registrar Address: P.le Aldo Moro, 5 Universita' di Roma La Sapienza C.I.T.I.Co.R.D. - Università di Roma La Sapienza C.I.T.I.Co.R.D. - Universita' di Roma S.A.T.I.S. - Universita' di Roma La Sapienza ,

Luciano Longhi Maria Grazia Teti Massimo Petrucci Sergio Pellacani GARR-REG
Page Size Code & Text Ratio
Document Size: ~71.92 KB
Code Size: ~48.36 KB
Text Size: ~23.56 KB Ratio: 32.76%

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
JavaScript execution time 0.6 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 676 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 841 KB
Serve images that are appropriately-sized to save cellular data and improve load time
Speed Index 4.6 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 3.7 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).
Avoid enormous network payloads Total size was 4,285 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimizes main-thread work 1.6 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 3.7 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 8 vulnerabilities detected
Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers
Avoid chaining critical requests 84 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 694 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 91 KB
Minifying JavaScript files can reduce payload sizes and script parse time
First Meaningful Paint 3.7 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 142 requests • 4,285 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 125 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 110 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 14.5 s
A fast page load over a cellular network ensures a good mobile user experience
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 37 KB
Minifying CSS files can reduce network payload sizes
Remove unused CSS Potential savings of 202 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 2,580 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 740 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 2,930 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 477 KB
Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes
Efficiently encode images Potential savings of 2,062 KB
Optimized images load faster and consume less cellular data
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
Total Blocking Time 90 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.

Mobile

Mobile Screenshot
First Meaningful Paint 12.3 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 141 requests • 4,262 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 125 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 130 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 14.3 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 at 14.3 s
A fast page load over a cellular network ensures a good mobile user experience
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
First Contentful Paint (3G) 22200 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 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 81.42% 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 208 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 2,580 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 240 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 8,670 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 477 KB
Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes
Efficiently encode images Potential savings of 2,062 KB
Optimized images load faster and consume less cellular data
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 270 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
JavaScript execution time 1.2 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 676 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 12.8 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 12.3 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 4,262 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 11.6 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 8 vulnerabilities detected
Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers
Avoid chaining critical requests 83 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 694 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 91 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: nginx
Date: Mon, 27 Jan 2020 16:15:09 GMT
Content-Type: text/html; charset=utf-8
Connection: keep-alive
X-Content-Type-Options: nosniff
Content-Language: it
X-Frame-Options: SAMEORIGIN
Vary: Accept-Encoding
X-DRCC-Pragma:
X-DRCC-Last-Modified: Mon, 27 Jan 2020 16:09:58 GMT
X-DRCC-Cache-Control: must-revalidate, max-age=86400
X-DRCC-Expires: Tue, 28 Jan 2020 16:09:58 GMT
Pragma: no-cache
Cache-Control: no-store, no-cache, must-revalidate, pre-check=0, post-check=0, max-age=0
Expires: Sun, 03 Jan 1971 00:00:00 GMT
Age: 310
X-Cache: HIT
Strict-Transport-Security: max-age=31536000;
Content-Encoding: gzip
DNS Records DNS Resource Records associated with a hostname
View DNS Records

Comments

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