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Top Technologies

PHP
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Apache
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14 gu-haustechnik.at Last Updated: 5 hours

Success 47% of passed verification steps
Warning 15% of total warning
Errors 38% of total errors, require fast action
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Desktop

Mobile

Performance Desktop Score 61%
Best Practices Desktop Score 93%
SEO Desktop Score 85%
Performance Mobile Score 55%
Best Practices Mobile Score 93%
SEO Mobile Score 85%
Page Authority Authority 15%
Domain Authority Domain Authority 5%
Moz Rank 1.5/10
Bounce Rate Rate 0%
Charset Encoding
Great, language/character encoding is specified: UTF-8
Title Tag 41 Characters
HOME - GEBRÜDER ULUTAS GAS-WASSER-HEIZUNG
Meta Description 0 Characters
NO DATA
Effective URL 29 Characters
https://www.gu-haustechnik.at
Excerpt Page content
Home - GEBRÜDER ULUTAS Gas-Wasser-Heizung Zum Inhalt springen ...
Keywords Cloud Density
sehr9 wien8 ulutas6 service5 gebrüder5 haustechnik4 installateur4 lesen4 mehr4 sind3
Keyword Consistency Keyword density is one of the main terms in SEO
Keyword Freq Title Desc Domain H1 H2
sehr 9
wien 8
ulutas 6
service 5
gebrüder 5
haustechnik 4
installateur 4
lesen 4
mehr 4
sind 3
Google Preview Your look like this in google search result
HOME - GEBRÜDER ULUTAS GAS-WASSER-HEIZUNG
https://www.gu-haustechnik.at
Home - GEBRÜDER ULUTAS Gas-Wasser-Heizung Zum Inhalt springen ...
Robots.txt File Detected
http://gu-haustechnik.at/robots.txt
Sitemap.xml File Detected
http://gu-haustechnik.at/sitemap.xml
Page Size Code & Text Ratio
Document Size: ~227.98 KB
Code Size: ~115.01 KB
Text Size: ~112.97 KB Ratio: 49.55%

Estimation Traffic and Earnings

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

Desktop Screenshot
Speed Index 3.1 s
Speed Index shows how quickly the contents of a page are visibly populated
Cumulative Layout Shift 0.002
Cumulative Layout Shift measures the movement of visible elements within the viewport
Reduce initial server response time Root document took 1,180 ms
Keep the server response time for the main document short because all other requests depend on it
Max Potential First Input Delay 70 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task
JavaScript execution time 0.4 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
Avoid chaining critical requests 31 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
Total Blocking Time 20 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds
Minify JavaScript Est savings of 105 KiB
Minifying JavaScript files can reduce payload sizes and script parse time
Largest Contentful Paint 5.3 s
Largest Contentful Paint marks the time at which the largest text or image is painted
Avoid non-composited animations 4 animated elements found
Animations which are not composited can be janky and increase CLS
Improve image delivery Est savings of 1,434 KiB
Reducing the download time of images can improve the perceived load time of the page and LCP
Avoid long main-thread tasks 4 long tasks found
Lists the longest tasks on the main thread, useful for identifying worst contributors to input delay
Defer offscreen images Est savings of 16 KiB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive
Serve images in next-gen formats Est savings of 2,470 KiB
Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption
Font display Est savings of 10 ms
Consider setting [font-display](https://developer.chrome.com/blog/font-display) to swap or optional to ensure text is consistently visible. swap can be further optimized to mitigate layout shifts with [font metric overrides](https://developer.chrome.com/blog/font-fallbacks).
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
Server Backend Latencies 50 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 20 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 Est savings of 1,384 KiB
Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes
Efficiently encode images Est savings of 9 KiB
Optimized images load faster and consume less cellular data
Eliminate render-blocking resources Est savings of 1,520 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Avoid serving legacy JavaScript to modern browsers Est savings of 15 KiB
Polyfills and transforms enable legacy browsers to use new JavaScript features. However, many aren't necessary for modern browsers. Consider modifying your JavaScript build process to not transpile [Baseline](https://web.dev/baseline) features, unless you know you must support legacy browsers
Reduce unused CSS Est savings of 587 KiB
Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity
Properly size images Est savings of 40 KiB
Serve images that are appropriately-sized to save cellular data and improve load time
Avoids an excessive DOM size 736 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)
Avoid large layout shifts 1 layout shift found
These are the largest layout shifts observed on the page. Each table item represents a single layout shift, and shows the element that shifted the most. Below each item are possible root causes that led to the layout shift. Some of these layout shifts may not be included in the CLS metric value due to [windowing](https://web.dev/articles/cls#what_is_cls)
Use efficient cache lifetimes Est savings of 5,781 KiB
A long cache lifetime can speed up repeat visits to your page
Render blocking requests Est savings of 1,650 ms
Requests are blocking the page's initial render, which may delay LCP
Serve static assets with an efficient cache policy 55 resources found
A long cache lifetime can speed up repeat visits to your page
Minimizes main-thread work 1.2 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
Time to Interactive 5.4 s
Time to Interactive is the amount of time it takes for the page to become fully interactive
Minify CSS Est savings of 92 KiB
Minifying CSS files can reduce network payload sizes
Largest Contentful Paint element 5,320 ms
This is the largest contentful element painted within the viewport
Reduce unused JavaScript Est savings of 670 KiB
Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity
First Contentful Paint 2.3 s
First Contentful Paint marks the time at which the first text or image is painted
Avoid enormous network payloads Total size was 6,396 KiB
Large network payloads cost users real money and are highly correlated with long load times
Document request latency Est savings of 152 KiB
Your first network request is the most important. Reduce its latency by avoiding redirects, ensuring a fast server response, and enabling text compression.

Mobile

Mobile Screenshot
Render blocking requests Est savings of 9,420 ms
Requests are blocking the page's initial render, which may delay LCP
Avoid chaining critical requests 30 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
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 long main-thread tasks 1 long task found
Lists the longest tasks on the main thread, useful for identifying worst contributors to input delay
Speed Index 11.9 s
Speed Index shows how quickly the contents of a page are visibly populated
Improve image delivery Est savings of 61 KiB
Reducing the download time of images can improve the perceived load time of the page and LCP
Server Backend Latencies 40 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
Avoids an excessive DOM size 734 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)
Enable text compression Est savings of 1,384 KiB
Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes
Efficiently encode images Est savings of 7 KiB
Optimized images load faster and consume less cellular data
Avoid serving legacy JavaScript to modern browsers Est savings of 15 KiB
Polyfills and transforms enable legacy browsers to use new JavaScript features. However, many aren't necessary for modern browsers. Consider modifying your JavaScript build process to not transpile [Baseline](https://web.dev/baseline) features, unless you know you must support legacy browsers
First Contentful Paint 11.9 s
First Contentful Paint marks the time at which the first text or image is painted
Time to Interactive 21.3 s
Time to Interactive is the amount of time it takes for the page to become fully interactive
Reduce unused JavaScript Est savings of 673 KiB
Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity
Reduce unused CSS Est savings of 597 KiB
Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity
Document uses legible font sizes 98.95% 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
Reduce initial server response time Root document took 2,230 ms
Keep the server response time for the main document short because all other requests depend on it
JavaScript execution time 0.2 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
Avoid non-composited animations 4 animated elements found
Animations which are not composited can be janky and increase CLS
Serve static assets with an efficient cache policy 51 resources found
A long cache lifetime can speed up repeat visits to your page
Largest Contentful Paint element 21,300 ms
This is the largest contentful element painted within the viewport
Minify JavaScript Est savings of 105 KiB
Minifying JavaScript files can reduce payload sizes and script parse time
Minify CSS Est savings of 92 KiB
Minifying CSS files can reduce network payload sizes
Use efficient cache lifetimes Est savings of 5,490 KiB
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 50 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task
Document request latency Est savings of 152 KiB
Your first network request is the most important. Reduce its latency by avoiding redirects, ensuring a fast server response, and enabling text compression.
Total Blocking Time 0 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds
Defer offscreen images Est savings of 1,389 KiB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive
Serve images in next-gen formats Est savings of 2,428 KiB
Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption
Avoid enormous network payloads Total size was 6,078 KiB
Large network payloads cost users real money and are highly correlated with long load times
Eliminate render-blocking resources Est savings of 8,700 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
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
Largest Contentful Paint 21.3 s
Largest Contentful Paint marks the time at which the largest text or image is painted
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

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
Congratulations! Your title is 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
Congratulations! You are using your H1 and H2 tags in your site
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
Warning! Your site not have a favicon
Broken Links
Warning! You have broken links View links
First 13 Links Relationship HTTP Status
GEBRÜDER ULUTAS Gas-Wasser-Heizung Internal Link 200
Startseite Internal Link 200
Dienstleistungen Internal Link 200
Über uns Internal Link 200
Terminkalender Internal Link 200
Kontakt Internal Link 200
Impressum Internal Link 200
NOTDIENST Internal Link 0
Badsanierung 1020 Wien Internal Link 200
Badsanierung Wien Internal Link 200
Installateur 1020 Wien Internal Link 200
Installateur Wien Internal Link 200
Thermenwartung 1020 Wien 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/2 200 
date: Fri, 05 Sep 2025 06:44:02 GMT
server: Apache
link: ; rel="https://api.w.org/", ; rel="alternate"; title="JSON"; type="application/json", ; rel=shortlink
content-type: text/html; charset=UTF-8
DNS Records DNS Resource Records associated with a hostname
View DNS Records
Type Name Value Class TTL
A gu-haustechnik.at 81.19.159.79 IN 3478
NS gu-haustechnik.at ns2.world4you.at IN 86400
NS gu-haustechnik.at ns1.world4you.at IN 86400
MX gu-haustechnik.at mail.gu-haustechnik.at IN 3600
TXT gu-haustechnik.at v=spf1 mx include:spf.w4ymail.at -all IN 3600

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