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15
centroeleia.edu.mx
Last Updated: 3 years
Success
47% of passed verification steps
Warning
7% of total warning
Errors
46% of total errors, require fast action
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Desktop
Mobile
Performance
Desktop Score 56%
Best Practices
Desktop Score 54%
SEO
Desktop Score 80%
Progressive Web App
Desktop Score 12%
Performance
Mobile Score 14%
Best Practices
Mobile Score 54%
SEO
Mobile Score 82%
Progressive Web App
Mobile Score 15%
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Social Data
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Technologies
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PWA - Manifest
Manifest is not valid
Your site don't have valid manifest.json, read more in
Web App Manifest
Desktop
Time to Interactive
3.7 s
Time to interactive is the amount of time it takes for the page to become fully interactive
Links do not have descriptive text
4 links found
Descriptive link text helps search engines understand your content
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 17.9 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
Minify CSS
Potential savings of 6 KB
Minifying CSS files can reduce network payload sizes
Remove unused CSS
Potential savings of 73 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 1,140 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
Does not use HTTPS
66 insecure requests found
All sites should be protected with HTTPS, even ones that don't handle sensitive data. HTTPS prevents intruders from tampering with or passively listening in on the communications between your app and your users, and is a prerequisite for HTTP/2 and many new web platform APIs
User Timing marks and measures
4 user timings
Consider instrumenting your app with the User Timing API to measure your app's real-world performance during key user experiences
Server response times are low (TTFB)
Root document took 100 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources
Potential savings of 760 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 585 KB
Optimized images load faster and consume less cellular data
Minimize third-party usage
Third-party code blocked the main thread for 130 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
30 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
JavaScript execution time
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
Properly size images
Potential savings of 185 KB
Serve images that are appropriately-sized to save cellular data and improve load time
Speed Index
4.0 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle
2.8 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 3,704 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimize main-thread work
2.4 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
8 vulnerabilities detected
Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers
Avoid chaining critical requests
41 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
777 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 44 KB
Minifying JavaScript files can reduce payload sizes and script parse time
First Meaningful Paint
1.3 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small
144 requests • 3,704 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
74 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay
80 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Mobile
Time to Interactive
17.7 s
Time to interactive is the amount of time it takes for the page to become fully interactive
Links do not have descriptive text
4 links found
Descriptive link text helps search engines understand your content
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 17.7 s
A fast page load over a cellular network ensures a good mobile user experience
Estimated Input Latency
100 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)
8835 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 6 KB
Minifying CSS files can reduce network payload sizes
Tap targets are not sized appropriately
97% 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
96.86% 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 76 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 1,140 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
Does not use HTTPS
66 insecure requests found
All sites should be protected with HTTPS, even ones that don't handle sensitive data. HTTPS prevents intruders from tampering with or passively listening in on the communications between your app and your users, and is a prerequisite for HTTP/2 and many new web platform APIs
User Timing marks and measures
4 user timings
Consider instrumenting your app with the User Timing API to measure your app's real-world performance during key user experiences
Server response times are low (TTFB)
Root document took 40 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources
Potential savings of 2,040 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 585 KB
Optimized images load faster and consume less cellular data
Reduce the impact of third-party code
Third-party code blocked the main thread for 1,290 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
620 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Reduce JavaScript execution time
4.0 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 66 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
12.9 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 3,734 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimize main-thread work
8.3 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint
4.3 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
8 vulnerabilities detected
Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers
Avoid chaining critical requests
40 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
777 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 44 KB
Minifying JavaScript files can reduce payload sizes and script parse time
First Meaningful Paint
5.1 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small
143 requests • 3,734 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
74 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay
280 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Speed And Optimization Tips
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Alexa Rank
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Domain Available
Domain (TDL) and Typo
Status
centroeleia.edu.co
Available
Buy Now!
centroeleia.edu.us
Available
Buy Now!
centroeleia.edu.com
Available
Buy Now!
centroeleia.edu.org
Already Registered
centroeleia.edu.net
Already Registered
cntroeleia.edu.mx
Available
Buy Now!
dentroeleia.edu.mx
Available
Buy Now!
rentroeleia.edu.mx
Available
Buy Now!
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