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90 zdf.de Last Updated: 1 year

Success 70% of passed verification steps
Warning 15% of total warning
Errors 15% of total errors, require fast action
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Desktop

Mobile

Performance Desktop Score 79%
Best Practices Desktop Score 100%
SEO Desktop Score 100%
Progressive Web App Desktop Score 31%
Performance Mobile Score 34%
Best Practices Mobile Score 100%
SEO Mobile Score 99%
Progressive Web App Mobile Score 33%
Page Authority Authority 59%
Domain Authority Domain Authority 92%
Moz Rank 5.9/10
Bounce Rate Rate 0%
Charset Encoding
Great, language/character encoding is specified: UTF-8
Title Tag 30 Characters
STARTSEITE - ZDFMEDIATHEK
Meta Description 169 Characters
Alle Videos und Livestreams in der ZDF Mediathek anschauen – ständig verfügbar und interaktiv! Entdecken Sie Filme, Serien, Sportevents, Dokumentationen und vieles mehr!
Effective URL 18 Characters
https://www.zdf.de
Excerpt Page content
Startseite - ZDFmediathek ...
Meta Keywords 12 Detected
Fußball-WM Live ZDFmediathek ZDF Mediathek Mediathek ZDF Zweites Deutsches Fernsehen Videos Livestreams ZDFneo ZDFinfo ZDF-Programm Sendung verpasst
Google Preview Your look like this in google search result
STARTSEITE - ZDFMEDIATHEK
https://www.zdf.de
Alle Videos und Livestreams in der ZDF Mediathek anschauen – ständig verfügbar und interaktiv! Entdecken Sie Filme, Serien, Sportevents, Dokumentation
Robots.txt File Detected
http://zdf.de/robots.txt
Sitemap.xml File Detected
http://zdf.de/sitemap.xml
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: 2014-05-21 / 7 years
Create on: 1970-01-01 / 51 years
Expires on: 1970-01-01 / 625 months 12 days

Nameservers
ns01.zdf.de
194.45.94.1
ns02.zdf.de
91.197.28.1
Page Size Code & Text Ratio
Document Size: ~2.16 MB
Code Size: ~1.66 MB
Text Size: ~510.14 KB Ratio: 23.05%

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
Serve static assets with an efficient cache policy 124 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 120 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 2.5 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 12.3 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
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 7,717 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 1,160 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 110 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 20 KB
Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes
Efficiently encode images Potential savings of 5,987 KB
Optimized images load faster and consume less cellular data
Total Blocking Time 150 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
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
Defer offscreen images Potential savings of 1,559 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 6,898 KB
Serve images that are appropriately-sized to save cellular data and improve load time
Speed Index 2.6 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 1.5 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).
Avoid enormous network payloads Total size was 13,214 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 0.7 s
First Contentful Paint marks the time at which the first text or image is painted
Avoid chaining critical requests 6 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 5,828 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 3 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 171 requests • 13,214 KB
To set budgets for the quantity and size of page resources, add a budget.json file

Mobile

Mobile Screenshot
Total Blocking Time 1,620 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Reduce JavaScript execution time 2.8 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 237 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 7.6 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 8.6 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 2,664 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 3.8 s
First Contentful Paint marks the time at which the first text or image is painted
Avoid chaining critical requests 6 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 5,533 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 3 KB
Minifying JavaScript files can reduce payload sizes and script parse time
First Meaningful Paint 4.0 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 146 requests • 2,664 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 109 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 880 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 10.0 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 10.0 s
A fast page load over a cellular network ensures a good mobile user experience
Estimated Input Latency 340 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) 8453 ms
First Contentful Paint 3G marks the time at which the first text or image is painted while on a 3G network
Tap targets are not sized appropriately 96% 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 99.85% 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 51 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
Server response times are low (TTFB) Root document took 290 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 480 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 30 KB
Optimized images load faster and consume less cellular data

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: nginx
Content-Type: text/html;charset=UTF-8
Pragma: cache
Content-Language: de
X-Backends-true-http-code: 200
ETag: W/"00dd817539921202bb7fe0d9d05b60532"
Content-Encoding: gzip
X-Request-Id: Dhc-765558.849-353458.677-463898.834-730671.573
X-Dhc-Counter: HIT
Accept-Ranges: bytes
Vary: Accept-Encoding
grace: none
X-Cache-Z: MISS
Content-Length: 334940
Cache-Control: max-age=0
Date: Thu, 28 Nov 2019 04:11:38 GMT
Connection: keep-alive
DNS Records DNS Resource Records associated with a hostname
View DNS Records
Type Name Value Class TTL
A zdf.de 91.197.29.78 IN 503
NS zdf.de ns01.zdf.de IN 2699
NS zdf.de ns02.zdf.de IN 2699
MX zdf.de inmail.zdf.de IN 9599
TXT zdf.de MS=ms99553264 IN 2699
TXT zdf.de ZaHUTH8MWthmcrDZ1EqF+WxIptINLoSMENPZ1PezBWf6ZpefudvfP0gkmJIvM/OJLX+RjJsDdG0Hbi5h8Kcwfg== IN 2699
TXT zdf.de MS=ms10785266 IN 2699
TXT zdf.de v=spf1 ptr ip4:91.197.29.200/32 include:spf.protection.outlook.com include:newsmailservice.de include:spf.nl2go.com ~all IN 2699
TXT zdf.de google-site-verification=MOFvgZPijgADlwMs-EP7lm6BTgGVRhkbX5t8BdG61nQ IN 2699
TXT zdf.de facebook-domain-verification=hb6wb986e73ua5fwxn6t9zfqjq9olp IN 2699

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