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91
sapo.pt
Last Updated: 2 years
Success
54% of passed verification steps
Warning
23% of total warning
Errors
23% of total errors, require fast action
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Desktop
Mobile
Performance
Desktop Score 94%
Best Practices
Desktop Score 86%
SEO
Desktop Score 83%
Progressive Web App
Desktop Score 30%
Performance
Mobile Score 49%
Best Practices
Mobile Score 86%
SEO
Mobile Score 82%
Progressive Web App
Mobile Score 32%
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Technologies
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PWA - Manifest
SAPO
SAPO
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
SAPO
Param display
browser
Param start_url
/?homescreen
Param short_name
SAPO
Param theme_color
#69A618
Desktop
Enable text compression
Potential savings of 4 KiB
Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes
Speed Index
1.4 s
Speed Index shows how quickly the contents of a page are visibly populated
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
Total Blocking Time
30 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds
Keep request counts low and transfer sizes small
93 requests • 1,426 KiB
To set budgets for the quantity and size of page resources, add a budget.json file
Largest Contentful Paint
1.1 s
Largest Contentful Paint marks the time at which the largest text or image is painted
Minify JavaScript
Potential savings of 2 KiB
Minifying JavaScript files can reduce payload sizes and script parse time
Largest Contentful Paint element
1 element found
This is the largest contentful element painted within the viewport
Time to Interactive
2.2 s
Time to interactive is the amount of time it takes for the page to become fully interactive
Properly size images
Potential savings of 126 KiB
Serve images that are appropriately-sized to save cellular data and improve load time
Remove unused JavaScript
Potential savings of 290 KiB
Remove unused JavaScript to reduce bytes consumed by network activity
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
Avoid serving legacy JavaScript to modern browsers
Potential savings of 56 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
Eliminate render-blocking resources
Potential savings of 0 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Max Potential First Input Delay
110 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task
First CPU Idle
2.1 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 chaining critical requests
10 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 large layout shifts
5 elements found
These DOM elements contribute most to the CLS of the page.
Avoids enormous network payloads
Total size was 1,426 KiB
Large network payloads cost users real money and are highly correlated with long load times
Minimizes main-thread work
2.0 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
JavaScript execution time
0.5 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
Remove unused CSS
Potential savings of 57 KiB
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 116 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
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 an excessive DOM size
4,257 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)
Cumulative Layout Shift
0.044
Cumulative Layout Shift measures the movement of visible elements within the viewport
Avoid long main-thread tasks
5 long tasks found
Lists the longest tasks on the main thread, useful for identifying worst contributors to input delay
Serve static assets with an efficient cache policy
23 resources found
A long cache lifetime can speed up repeat visits to your page
Avoids large JavaScript libraries with smaller alternatives
0 large libraries found
Large JavaScript libraries can lead to poor performance. Prefer smaller, functionally equivalent libraries to reduce your bundle size
Page load is not fast enough on mobile networks
Interactive on simulated mobile network at 14.1 s
A fast page load over a cellular network ensures a good mobile user experience
First Meaningful Paint
0.9 s
First Meaningful Paint measures when the primary content of a page is visible
Initial server response time was short
Root document took 330 ms
Keep the server response time for the main document short because all other requests depend on it
First Contentful Paint
0.9 s
First Contentful Paint marks the time at which the first text or image is painted
Mobile
Avoids enormous network payloads
Total size was 1,256 KiB
Large network payloads cost users real money and are highly correlated with long load times
Estimated Input Latency
70 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
Eliminate render-blocking resources
Potential savings of 530 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Avoid long main-thread tasks
20 long tasks found
Lists the longest tasks on the main thread, useful for identifying worst contributors to input delay
Minimize third-party usage
Third-party code blocked the main thread for 150 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
Cumulative Layout Shift
0.068
Cumulative Layout Shift measures the movement of visible elements within the viewport
Tap targets are not sized appropriately
60% 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
Serve images in next-gen formats
Potential savings of 116 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
Avoid an excessive DOM size
4,022 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)
Defer offscreen images
Potential savings of 2 KiB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive
Document uses legible font sizes
98.96% 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
Speed Index
3.5 s
Speed Index shows how quickly the contents of a page are visibly populated
Page load is not fast enough on mobile networks
Interactive at 12.8 s
A fast page load over a cellular network ensures a good mobile user experience
Properly size images
Potential savings of 116 KiB
Serve images that are appropriately-sized to save cellular data and improve load time
Total Blocking Time
1,000 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
17 resources found
A long cache lifetime can speed up repeat visits to your page
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
Enable text compression
Potential savings of 4 KiB
Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes
Reduce JavaScript execution time
2.1 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
Minimize main-thread work
6.4 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
Minify JavaScript
Potential savings of 2 KiB
Minifying JavaScript files can reduce payload sizes and script parse time
Avoid large layout shifts
5 elements found
These DOM elements contribute most to the CLS of the page.
Remove unused JavaScript
Potential savings of 261 KiB
Remove unused JavaScript to reduce bytes consumed by network activity
Initial server response time was short
Root document took 160 ms
Keep the server response time for the main document short because all other requests depend on it
Time to Interactive
12.8 s
Time to interactive is the amount of time it takes for the page to become fully interactive
First Contentful Paint
2.1 s
First Contentful Paint marks the time at which the first text or image is painted
Largest Contentful Paint
4.4 s
Largest Contentful Paint marks the time at which the largest text or image is painted
First Meaningful Paint
2.1 s
First Meaningful Paint measures when the primary content of a page is visible
Avoid chaining critical requests
10 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
First Contentful Paint (3G)
4410 ms
First Contentful Paint 3G marks the time at which the first text or image is painted while on a 3G network
Largest Contentful Paint element
1 element found
This is the largest contentful element painted within the viewport
Remove unused CSS
Potential savings of 58 KiB
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
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
Avoid serving legacy JavaScript to modern browsers
Potential savings of 38 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
First CPU Idle
8.7 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/).
Keep request counts low and transfer sizes small
78 requests • 1,256 KiB
To set budgets for the quantity and size of page resources, add a budget.json file
Avoids large JavaScript libraries with smaller alternatives
0 large libraries found
Large JavaScript libraries can lead to poor performance. Prefer smaller, functionally equivalent libraries to reduce your bundle size
Max Potential First Input Delay
320 ms
The maximum potential First Input Delay that your users could experience is the duration 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
sapo.co
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sapo.us
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sapo.com
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sapo.org
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sapo.net
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spo.pt
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wapo.pt
Available
Buy Now!
xapo.pt
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