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30 dcard.tw Last Updated: 9 months

Success 62% of passed verification steps
Warning 15% of total warning
Errors 23% of total errors, require fast action

Desktop

Mobile

Performance Desktop Score 26%
Best Practices Desktop Score 77%
SEO Desktop Score 91%
Progressive Web App Desktop Score 23%
Performance Mobile Score 41%
Best Practices Mobile Score 85%
SEO Mobile Score 85%
Progressive Web App Mobile Score 48%
Page Authority Authority 44%
Domain Authority Domain Authority 61%
Moz Rank 4.4/10
Bounce Rate Rate 0%
Title Tag 5 Characters
DCARD
Meta Description 61 Characters
廣受年輕人喜愛的 Dcard 是台灣最大的匿名交流平台,舉凡時事話題、感情心情、吃喝玩樂、學習工作等,都有卡友陪你聊!
Effective URL 22 Characters
https://www.dcard.tw/f
Excerpt Page content
Dcard登入更多看板列表全部聖誕CiaoCiao感情YouTuber官方公告小事公益新生季美妝美甲醫美香氛美髮牙齒矯正隱形眼鏡穿搭球鞋網路購物精品心情閒聊有趣笑話梗圖女孩生理用品結婚親子彩虹跨性別偽娘Les追星BTSAKB48 集團乃木坂 46韓星EXO五月天麥可傑克森手作插畫設計手寫文具玩具樂高居家生活建築芳療無痕生活寵物曬貓攝影植物汽機車重機航空鐵道交通運輸星座塔羅靈異美食烹飪手搖品酒咖啡呷菜速食零食超商量販店旅遊電影戲劇綜藝歐美影集Netflix漫威日劇韓綜音樂KKBOX 風雲榜獨立音樂...
Google Preview Your look like this in google search result
DCARD
https://www.dcard.tw/f
廣受年輕人喜愛的 Dcard 是台灣最大的匿名交流平台,舉凡時事話題、感情心情、吃喝玩樂、學習工作等,都有卡友陪你聊!
Robots.txt File Detected
Sitemap.xml File Detected
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 18 days
Page Size Code & Text Ratio
Document Size: ~95.91 KB
Code Size: ~70.31 KB
Text Size: ~25.6 KB Ratio: 26.69%

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
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
Server response times are low (TTFB) Root document took 180 ms
Time To First Byte identifies the time at which your server sends a response
Efficiently encode images Potential savings of 97 KB
Optimized images load faster and consume less cellular data
Minimize third-party usage Third-party code blocked the main thread for 120 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 2,560 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Reduce JavaScript execution time 5.5 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
Defer offscreen images Potential savings of 329 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 22 KB
Serve images that are appropriately-sized to save cellular data and improve load time
Speed Index 5.1 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 7.3 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 5,110 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 0.7 s
First Contentful Paint marks the time at which the first text or image is painted
Avoid chaining critical requests 3 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 2,264 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 2.0 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 259 requests • 5,110 KB
To set budgets for the quantity and size of page resources, add a budget.json file
Use video formats for animated content Potential savings of 199 KB
Large GIFs are inefficient for delivering animated content. Consider using MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF to save network bytes
Serve static assets with an efficient cache policy 39 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 720 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 9.9 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 44.1 s
A fast page load over a cellular network ensures a good mobile user experience
Estimated Input Latency 360 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
Remove unused CSS Potential savings of 35 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 181 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

Mobile

Mobile Screenshot
Reduce server response times (TTFB) Root document took 1,620 ms
Time To First Byte identifies the time at which your server sends a response
Reduce the impact of third-party code Third-party code blocked the main thread for 660 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 3,070 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Reduce JavaScript execution time 6.2 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 8 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 16 KB
Serve images that are appropriately-sized to save cellular data and improve load time
Speed Index 7.0 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 11.5 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 1,470 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimize main-thread work 9.3 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 1.5 s
First Contentful Paint marks the time at which the first text or image is painted
Avoids an excessive DOM size 640 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 1.6 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 52 requests • 1,470 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 16 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 1,550 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 13.1 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 at 13.1 s
A fast page load over a cellular network ensures a good mobile user experience
First Contentful Paint (3G) 3179 ms
First Contentful Paint 3G marks the time at which the first text or image is painted while on a 3G network
Estimated Input Latency 930 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
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
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

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
Date: Fri, 27 Dec 2019 03:03:37 GMT
Content-Type: text/html; charset=utf-8
Connection: keep-alive
Set-Cookie: __cfduid=d7f3e767e7ede11ddd99be9c4584824ff1577415817; expires=Sun, 26-Jan-20 03:03:37 GMT; path=/; domain=.dcard.tw; HttpOnly; SameSite=Lax; Secure
CF-Ray: 54b80ff85c40ccee-EWR
Age: 569
Cache-Control: private
Strict-Transport-Security: max-age=15552000; includeSubDomains; preload
Vary: Accept-Encoding
Via: 1.1 google
CF-Cache-Status: HIT
Alt-Svc: clear
Expect-CT: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
x-cloud-trace-context: 9ba2b2b0fcbbcce6e781bc88ab4d7cd9/9442562682004905135;o=0
X-Content-Type-Options: nosniff
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 1; mode=block
Server: cloudflare
Content-Encoding: gzip
DNS Records DNS Resource Records associated with a hostname
View DNS Records

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