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Top Technologies

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26 rthk.hk Last Updated: 9 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 16%
Best Practices Desktop Score 54%
SEO Desktop Score 80%
Progressive Web App Desktop Score 31%
Performance Mobile Score 3%
Best Practices Mobile Score 54%
SEO Mobile Score 81%
Progressive Web App Mobile Score 33%
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 6 Characters
香港電台網站
Meta Description 0 Characters
NO DATA
Effective URL 19 Characters
https://www.rthk.hk
Excerpt Page content
香港電台網站 X Search 電視 鏗鏘集 新聞天地 視點31 頭條新聞 城市論壇 電台 守下留情 音樂情人 講東講西 (星期一至五) 輕談淺唱不夜天 瘋 Show 快活人 熱門 香 港...
Keywords Cloud Density
在新分頁開啟25 香港故事5 左右紅藍綠4 news4 與第一台聯播4 守下留情4 精靈一點4 12月19日3 千禧年代3 尼泊爾語字幕3
Keyword Consistency Keyword density is one of the main terms in SEO
Keyword Freq Title Desc Domain H1 H2
在新分頁開啟 25
香港故事 5
左右紅藍綠 4
news 4
與第一台聯播 4
守下留情 4
精靈一點 4
12月19日 3
千禧年代 3
尼泊爾語字幕 3
Google Preview Your look like this in google search result
香港電台網站
https://www.rthk.hk
香港電台網站 X Search 電視 鏗鏘集 新聞天地 視點31 頭條新聞 城市論壇 電台 守下留情 音樂情人 講東講西 (星期一至五) 輕談淺唱不夜天 瘋 Show 快活人 熱門 香 港...
Robots.txt File Detected
Sitemap.xml File Detected
Page Size Code & Text Ratio
Document Size: ~247.54 KB
Code Size: ~201.33 KB
Text Size: ~46.21 KB Ratio: 18.67%

Estimation Traffic and Earnings

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Desktop

Desktop Screenshot
Remove unused CSS Potential savings of 158 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 306 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 1,570 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 910 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 123 KB
Optimized images load faster and consume less cellular data
Enable text compression Potential savings of 565 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 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 360 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
JavaScript execution time 1.0 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 1,036 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 175 KB
Serve images that are appropriately-sized to save cellular data and improve load time
Speed Index 6.4 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 5.0 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 6,519 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimize main-thread work 4.4 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 1.9 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 124 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 4,363 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 31 KB
Minifying JavaScript files can reduce payload sizes and script parse time
First Meaningful Paint 5.0 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 240 requests • 6,519 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 141 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 320 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 8.2 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 33.8 s
A fast page load over a cellular network ensures a good mobile user experience
Estimated Input Latency 40 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 24 KB
Minifying CSS files can reduce network payload sizes

Mobile

Mobile Screenshot
Serve images in next-gen formats Potential savings of 340 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 4,510 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 2,340 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 130 KB
Optimized images load faster and consume less cellular data
Enable text compression Potential savings of 565 KB
Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes
Reduce the impact of third-party code Third-party code blocked the main thread for 1,010 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 3,180 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Reduce JavaScript execution time 8.2 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 1,135 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 218 KB
Serve images that are appropriately-sized to save cellular data and improve load time
Speed Index 24.0 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 13.1 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 enormous network payloads Total size was 3,134 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimize main-thread work 20.1 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 7.6 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 2 vulnerabilities detected
Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers
Avoid chaining critical requests 43 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 5,033 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)
Preload key requests Potential savings of 15,090 ms
Consider using `<link rel=preload>` to prioritize fetching resources that are currently requested later in page load
Minify JavaScript Potential savings of 31 KB
Minifying JavaScript files can reduce payload sizes and script parse time
First Meaningful Paint 10.1 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 195 requests • 3,134 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 151 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 1,280 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 26.0 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 26.0 s
A fast page load over a cellular network ensures a good mobile user experience
First Contentful Paint (3G) 15482.5 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 800 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 10 KB
Minifying CSS files can reduce network payload sizes
Tap targets are not sized appropriately 82% 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 98.88% 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 94 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

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: 2.0.0.2.2.c8d5546
Date: Wed, 18 Dec 2019 17:32:20 GMT
Content-Type: text/html; charset=UTF-8
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
X-Frame-Options: SAMEORIGIN
Set-Cookie: csrf_cookie_name=b230c9f85b17302c9761559126043b32; expires=Wed, 18-Dec-2019 19:32:20 GMT; Max-Age=7200; path=/
Set-Cookie: ci_session=b42f3f107fb6602a781a5e68bf3c4b82545edeb8; path=/; HttpOnly
Set-Cookie: lang=zh-hant; expires=Thu, 17-Dec-2020 23:21:06 GMT; Max-Age=31556926; path=/
Strict-Transport-Security: max-age=15768000
Vary: Host
Access-Control-Allow-Credentials: true
X-NXG: 377769377
Age: 0
Cache-stat: MISS
DNS Records DNS Resource Records associated with a hostname
View DNS Records

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