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STEFAN'S KLEINER COBOL-WORKSHOP - EIN DEUTSCHES COBOL TUTORIAL
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3 cobol-workshop.de Last Updated: 13 hours

Success 47% of passed verification steps
Warning 30% of total warning
Errors 23% of total errors, require fast action
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Desktop

Mobile

Performance Desktop Score 100%
Best Practices Desktop Score 50%
SEO Desktop Score 100%
Performance Mobile Score 99%
Best Practices Mobile Score 45%
SEO Mobile Score 100%
Page Authority Authority 25%
Domain Authority Domain Authority 14%
Moz Rank 2.5/10
Bounce Rate Rate 0%
Charset Encoding
Great, language/character encoding is specified: ISO-8859-1
Title Tag 62 Characters
STEFAN'S KLEINER COBOL-WORKSHOP - EIN DEUTSCHES COBOL TUTORIAL
Meta Description 201 Characters
Dieser Workshop ist ein deutschsprachiges Tutorial für die Programmiersprache COBOL und fordert zur Mitarbeit auf. Es wird der Aufbau und Sprachumfang von Cobol nach ANSI 85 Standard erklärt.
Effective URL 24 Characters
http://cobol-workshop.de
Excerpt Page content
Stefan's kleiner Cobol-Workshop - ein deutsches Cobol Tutorial Sie müssen IFrames in Ihren Browsereinstellungen ermöglichenum diese Sei...
Meta Keywords 1 Detected
COBOL Programmiersprache deutsch lernen programmieren Forum Algorithmus Compiler Tutorial Stefan Kühlem
Keywords Cloud Density
börse4 müssen2 iframes2 kont2 gästebuch2 feedback2 beiträge2 area2 download2 stichworte2
Keyword Consistency Keyword density is one of the main terms in SEO
Keyword Freq Title Desc Domain H1 H2
börse 4
müssen 2
iframes 2
kont 2
gästebuch 2
feedback 2
beiträge 2
area 2
download 2
stichworte 2
Google Preview Your look like this in google search result
STEFAN'S KLEINER COBOL-WORKSHOP - EIN DEUTSCHES COBOL TUTORI
http://cobol-workshop.de
Dieser Workshop ist ein deutschsprachiges Tutorial für die Programmiersprache COBOL und fordert zur Mitarbeit auf. Es wird der Aufbau und Sprachu
Robots.txt File Detected
http://cobol-workshop.de/robots.txt
Sitemap.xml File Detected
http://cobol-workshop.de/sitemap.xml
Page Size Code & Text Ratio
Document Size: ~18.35 KB
Code Size: ~16.32 KB
Text Size: ~2.02 KB Ratio: 11.03%

Estimation Traffic and Earnings

0
Unique Visits
Daily
0
Pages Views
Daily
$0
Income
Daily
0
Unique Visits
Monthly
0
Pages Views
Monthly
$0
Income
Monthly
0
Unique Visits
Yearly
0
Pages Views
Yearly
$0
Income
Yearly

Desktop

Desktop Screenshot
Preload Largest Contentful Paint image Potential savings of 110 ms
If the LCP element is dynamically added to the page, you should preload the image in order to improve LCP
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
Max Potential First Input Delay 20 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task
JavaScript execution time 0.0 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
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
Enable text compression Potential savings of 4 KiB
Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes
Speed Index 0.3 s
Speed Index shows how quickly the contents of a page are visibly populated
Minimizes main-thread work 0.2 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
Network Round Trip Times 10 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
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
Uses deprecated APIs 1 warning found
Deprecated APIs will eventually be removed from the browser
Total Blocking Time 0 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds
Does not use HTTPS 21 insecure requests found
All sites should be protected with HTTPS, even ones that don't handle sensitive data. This includes avoiding [mixed content](https://developers.google.com/web/fundamentals/security/prevent-mixed-content/what-is-mixed-content), where some resources are loaded over HTTP despite the initial request being served over HTTPS. HTTPS prevents intruders from tampering with or passively listening in on the communications between your app and your users, and is a prerequisite for HTTP/2 and many new web platform APIs
Largest Contentful Paint element 360 ms
This is the largest contentful element painted within the viewport
Avoid an excessive DOM size 1,089 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)
Initial server response time was short Root document took 40 ms
Keep the server response time for the main document short because all other requests depend on it
Avoids enormous network payloads Total size was 88 KiB
Large network payloads cost users real money and are highly correlated with long load times
First Contentful Paint 0.2 s
First Contentful Paint marks the time at which the first text or image is painted
Serve static assets with an efficient cache policy 14 resources found
A long cache lifetime can speed up repeat visits to your page
Serve images in next-gen formats Potential savings of 12 KiB
Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption
Largest Contentful Paint 0.4 s
Largest Contentful Paint marks the time at which the largest text or image is painted
Time to Interactive 0.4 s
Time to Interactive is the amount of time it takes for the page to become fully interactive

Mobile

Mobile Screenshot
Minimizes main-thread work 1.0 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
Total Blocking Time 80 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds
Largest Contentful Paint 1.7 s
Largest Contentful Paint marks the time at which the largest text or image is painted
Max Potential First Input Delay 110 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task
Enable text compression Potential savings of 4 KiB
Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes
Avoid long main-thread tasks 5 long tasks found
Lists the longest tasks on the main thread, useful for identifying worst contributors to input delay
Uses deprecated APIs 1 warning found
Deprecated APIs will eventually be removed from the browser
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
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
Speed Index 1.3 s
Speed Index shows how quickly the contents of a page are visibly populated
Initial server response time was short Root document took 40 ms
Keep the server response time for the main document short because all other requests depend on it
JavaScript execution time 0.1 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
Does not use HTTPS 21 insecure requests found
All sites should be protected with HTTPS, even ones that don't handle sensitive data. This includes avoiding [mixed content](https://developers.google.com/web/fundamentals/security/prevent-mixed-content/what-is-mixed-content), where some resources are loaded over HTTP despite the initial request being served over HTTPS. HTTPS prevents intruders from tampering with or passively listening in on the communications between your app and your users, and is a prerequisite for HTTP/2 and many new web platform APIs
Avoids enormous network payloads Total size was 88 KiB
Large network payloads cost users real money and are highly correlated with long load times
Time to Interactive 1.7 s
Time to Interactive is the amount of time it takes for the page to become fully interactive
Network Round Trip Times 10 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
Serve static assets with an efficient cache policy 14 resources found
A long cache lifetime can speed up repeat visits to your page
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
Preload Largest Contentful Paint image Potential savings of 330 ms
If the LCP element is dynamically added to the page, you should preload the image in order to improve LCP
Eliminate render-blocking resources Potential savings of 0 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
First Contentful Paint 1.1 s
First Contentful Paint marks the time at which the first text or image is painted
Largest Contentful Paint element 1,660 ms
This is the largest contentful element painted within the viewport
Avoid an excessive DOM size 1,089 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)
Serve images in next-gen formats Potential savings of 12 KiB
Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption

Speed And Optimization Tips

Website speed has a huge impact on performance, affecting user experience, conversion rates and even rankings. ‪‬‬By reducing page load-times, users are less likely to get distracted and the search engines are more likely to reward you by ranking you
Title Website
Warning! Your title is not optimized
Description Website
Warning! Your description is not optimized
Robots.txt
Congratulations! Your site have a robots.txt file
Sitemap.xml
Congratulations! We've found a sitemap file for your website
SSL Secure
Congratulations! Your site have Support to HTTPS
Headings
Warning! Your page not contain any H1 and H2 headings. H1 and H2 headings help indicate the important topics of your page to search engines
Blacklist
Congratulations! Your site is not listed in a blacklist
W3C Validator
Warning! Your site have errors W3C
Accelerated Mobile Pages (AMP)
Warning! Your site not have AMP Version
Domain Authority
Warning! Domain Authority of your website is slow. It is good to have domain authority more than 25.
GZIP Compress
Warning! Your site not is compressed, this can make slower response for the visitors
Favicon
Congratulations! Your website appears to have a favicon.
Broken Links
Congratulations! You not have broken links View links
First 17 Links Relationship HTTP Status
Startseite Internal Link 200
Grundbegriffe Internal Link 200
Programmstruktur Internal Link 200
Befehlssatz Internal Link 200
Beispiel-Codings Internal Link 200
Info-Börse Internal Link 200
Linkliste Internal Link 200
nicht nur Cobol Internal Link 200
Sonstiges Internal Link 200
Stichworte Internal Link 200
Download Area Internal Link 200
How to use Internal Link 200
Beiträge von: Internal Link 200
Feedback Internal Link 200
Gästebuch Internal Link 200
Job-Börse Internal Link 200
Kont@kt Internal Link 200

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
Content-Type: text/html
Connection: keep-alive
Keep-Alive: timeout=15
Date: Tue, 14 Jan 2025 10:11:48 GMT
Server: Apache
Last-Modified: Wed, 13 Apr 2016 09:11:51 GMT
ETag: W/"4957-5305a2b0cc3c0"
Content-Encoding: gzip
DNS Records DNS Resource Records associated with a hostname
View DNS Records
Type Name Value Class TTL
A cobol-workshop.de 217.160.0.130 IN 3511
NS cobol-workshop.de ns1093.ui-dns.de IN 86400
NS cobol-workshop.de ns1093.ui-dns.com IN 86400
NS cobol-workshop.de ns1093.ui-dns.org IN 86400
NS cobol-workshop.de ns1093.ui-dns.biz IN 86400
MX cobol-workshop.de mx00.ionos.de IN 3600
MX cobol-workshop.de mx01.ionos.de IN 3600
TXT cobol-workshop.de v=spf1 include:_spf-eu.ionos.com ~all IN 3600

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