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19 u-car.com.tw Last Updated: 9 months

Success 55% of passed verification steps
Warning 15% of total warning
Errors 30% of total errors, require fast action

Desktop

Mobile

Performance Desktop Score 41%
Best Practices Desktop Score 62%
SEO Desktop Score 78%
Progressive Web App Desktop Score 19%
Performance Mobile Score 29%
Best Practices Mobile Score 62%
SEO Mobile Score 81%
Progressive Web App Mobile Score 30%
Page Authority Authority 0%
Domain Authority Domain Authority 0%
Moz Rank 0.0/10
Bounce Rate Rate 0%
Charset Encoding
Great, language/character encoding is specified: UTF-8
Title Tag 20 Characters
U-CAR FIND YOUR CAR.
Meta Description 93 Characters
U-CAR汽車網站,臺灣最大汽車專業內容網站,我們針對車迷及一般民眾提供全方面的汽車相關資訊,包含新車購買、車壇新聞、試駕體驗、促銷優惠、汽車原理、二手車資訊、F1賽車與影音等相關資訊。
Effective URL 20 Characters
https://u-car.com.tw
Excerpt Page content
U-CAR Find your car. U-CAR Find your car U-網站:U-CAR │ U-AUDIO │ U-OUTDOOR │ U-HEADPHONE │ U-...
Keywords Cloud Density
tfsi361 sport346 coupé297 quattro265 line255 class209 sportback172 4matic141 avant139 turbo132
Keyword Consistency Keyword density is one of the main terms in SEO
Keyword Freq Title Desc Domain H1 H2
tfsi 361
sport 346
coupé 297
quattro 265
line 255
class 209
sportback 172
4matic 141
avant 139
turbo 132
Google Preview Your look like this in google search result
U-CAR FIND YOUR CAR.
https://u-car.com.tw
U-CAR汽車網站,臺灣最大汽車專業內容網站,我們針對車迷及一般民眾提供全方面的汽車相關資訊,包含新車購買、車壇新聞、試駕體驗、促銷優惠、汽車原理、二手車資訊、F1賽車與影音等相關資訊。
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 22 days
Page Size Code & Text Ratio
Document Size: ~861.92 KB
Code Size: ~592.41 KB
Text Size: ~269.5 KB Ratio: 31.27%

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
Eliminate render-blocking resources Potential savings of 420 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 287 KB
Optimized images load faster and consume less cellular data
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
Minimize third-party usage Third-party code blocked the main thread for 190 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 130 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
Defer offscreen images Potential savings of 657 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 142 KB
Serve images that are appropriately-sized to save cellular data and improve load time
Speed Index 4.9 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 4.4 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 4,176 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimize main-thread work 8.1 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 0.9 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 2 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 11,198 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 5 KB
Minifying JavaScript files can reduce payload sizes and script parse time
First Meaningful Paint 0.9 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 363 requests • 4,176 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 98 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 90 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 6.1 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 30.1 s
A fast page load over a cellular network ensures a good mobile user experience
Estimated Input Latency 30 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
Serve images in next-gen formats Potential savings of 402 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
User Timing marks and measures 9 user timings
Consider instrumenting your app with the User Timing API to measure your app's real-world performance during key user experiences
Reduce server response times (TTFB) Root document took 2,500 ms
Time To First Byte identifies the time at which your server sends a response

Mobile

Mobile Screenshot
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 429 KB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive
Speed Index 9.8 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 11.7 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).
Avoids enormous network payloads Total size was 2,079 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimize main-thread work 9.0 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 2.8 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 1 vulnerability detected
Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers
Avoid chaining critical requests 9 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 332 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)
First Meaningful Paint 2.8 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 161 requests • 2,079 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 49 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 240 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 14.4 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 14.4 s
A fast page load over a cellular network ensures a good mobile user experience
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
First Contentful Paint (3G) 5454 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 95.41% 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 39 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 409 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
Avoid multiple page redirects Potential savings of 780 ms
Redirects introduce additional delays before the page can be loaded
User Timing marks and measures 8 user timings
Consider instrumenting your app with the User Timing API to measure your app's real-world performance during key user experiences
Reduce server response times (TTFB) Root document took 1,160 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 1,200 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
Efficiently encode images Potential savings of 226 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 770 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 750 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Reduce JavaScript execution time 5.9 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this

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
Cache-Control: private
Content-Length: 879027
Content-Type: text/html; Charset=utf-8
Server: Microsoft-IIS/10.0
Set-Cookie: ASPSESSIONIDQGDCDRAC=AIEOFCFDJINNAGKFDFAKHPNA; secure; path=/
X-Powered-By: ASP.NET
Date: Mon, 16 Dec 2019 10:16:38 GMT
DNS Records DNS Resource Records associated with a hostname
View DNS Records

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