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Web Frameworks

68 fu-berlin.de Last Updated: 7 months

Success 78% of passed verification steps
Warning 15% of total warning
Errors 7% of total errors, require fast action

Desktop

Mobile

Performance Desktop Score 94%
Best Practices Desktop Score 77%
SEO Desktop Score 100%
Progressive Web App Desktop Score 27%
Performance Mobile Score 48%
Best Practices Mobile Score 69%
SEO Mobile Score 98%
Progressive Web App Mobile Score 30%
Page Authority Authority 56%
Domain Authority Domain Authority 83%
Moz Rank 5.6/10
Bounce Rate Rate 0%
Charset Encoding
Great, language/character encoding is specified: UTF-8
Title Tag 36 Characters
FREIE UNIVERSITÄT BERLIN: STARTSEITE
Meta Description 275 Characters
Die Freie Universität zählt zu den elf deutschen Hochschulen, die 2012 in der Exzellenzinitiative des Bundes und der Länder in allen drei Förderlinien erfolgreich abgeschnitten haben. Sie bietet an zwölf Fachbereichen und drei Zentralinstituten mehr als 150 Studiengänge an.
Effective URL 24 Characters
https://www.fu-berlin.de
Excerpt Page content
Freie Universität Berlin: Startseite Springe direkt zu Inhalt Freie Universität Berlin Freie Universität BerlinService-NavigationStartseiteSitemapIndexKontaktImpressumDatenschutzNotfallService DEDE: DeutschEN: English Dire...
Keywords Cloud Density
universität40 bildquelle36 berlin26 freien24 service15 overlay14 freie13 studium13 bildquellen10 wannenmacher10
Keyword Consistency Keyword density is one of the main terms in SEO
Keyword Freq Title Desc Domain H1 H2
universität 40
bildquelle 36
berlin 26
freien 24
service 15
overlay 14
freie 13
studium 13
bildquellen 10
wannenmacher 10
Google Preview Your look like this in google search result
FREIE UNIVERSITÄT BERLIN: STARTSEITE
https://www.fu-berlin.de
Die Freie Universität zählt zu den elf deutschen Hochschulen, die 2012 in der Exzellenzinitiative des Bundes und der Länder in allen drei Förderlinie
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: 2016-05-02 / 4 years
Create on: 1970-01-01 / 51 years
Expires on: 1970-01-01 / 616 months 6 days

Nameservers
atalante.stanford.edu
dns-2.dfn.de
ns1.fu-berlin.de
160.45.8.8
ns2.fu-berlin.de
160.45.10.12
ns3.fu-berlin.de
130.133.1.57
Page Size Code & Text Ratio
Document Size: ~130.38 KB
Code Size: ~117.91 KB
Text Size: ~12.46 KB Ratio: 9.56%

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
Total Blocking Time 40 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
JavaScript execution time 0.3 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
Properly size images Potential savings of 433 KB
Serve images that are appropriately-sized to save cellular data and improve load time
Speed Index 1.6 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 1.0 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 5,869 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimizes main-thread work 1.1 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 0.6 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 3 vulnerabilities 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
Avoid an excessive DOM size 2,923 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 0.9 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 65 requests • 5,869 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 110 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 11 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 1.0 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 on simulated mobile network at 20.8 s
A fast page load over a cellular network ensures a good mobile user experience
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
Remove unused CSS Potential savings of 32 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 2,923 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 740 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 360 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 842 KB
Optimized images load faster and consume less cellular data

Mobile

Mobile Screenshot
Max Potential First Input Delay 520 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 68.6 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 68.6 s
A fast page load over a cellular network ensures a good mobile user experience
First Contentful Paint (3G) 4514 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 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
Tap targets are not sized appropriately 90% 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
Remove unused CSS Potential savings of 34 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 7,815 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 580 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 1,390 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 1,830 KB
Optimized images load faster and consume less cellular data
Total Blocking Time 790 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Reduce JavaScript execution time 1.5 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 19,646 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 16,560 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 5.1 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 24,761 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimize main-thread work 5.3 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 2.4 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 3 vulnerabilities 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
Avoid an excessive DOM size 2,923 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 4.1 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 94 requests • 24,761 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 281 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 11 resources found
A long cache lifetime can speed up repeat visits to your page

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: Wed, 22 Jan 2020 06:45:10 GMT
Server: Apache
X-UA-Compatible: IE=Edge,chrome=1
Cache-Control: max-age=0, private, must-revalidate
ETag: "f602676d06e39d6bd82ae557a0a4524c"
Content-Length: 133147
Status: 200 OK
Content-Type: text/html; charset=utf-8
DNS Records DNS Resource Records associated with a hostname
View DNS Records

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