Tools & Wizards About Us
gasturb.de screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

gasturb.de

GasTurb - Home

Page Load Speed

4.8 sec in total

First Response

250 ms

Resources Loaded

3.8 sec

Page Rendered

751 ms

gasturb.de screenshot

About Website

Welcome to gasturb.de homepage info - get ready to check Gas Turb best content right away, or after learning these important things about gasturb.de

Professional software for gas turbine performance calculations. Built for engineers, managers, researchers and students alike.

Visit gasturb.de

Key Findings

We analyzed Gasturb.de page load time and found that the first response time was 250 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

gasturb.de performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value8.8 s

1/100

25%

SI (Speed Index)

Value9.5 s

12/100

10%

TBT (Total Blocking Time)

Value250 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0.186

66/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

gasturb.de

250 ms

www.gasturb.com

1799 ms

5705cc9ef6d947020e709aabdd9ab5e7.css

405 ms

main.js

19 ms

a7e3fbf5ebafac4d7709463d4aec0ff5.js

484 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 12% of them (6 requests) were addressed to the original Gasturb.de, 75% (38 requests) were made to Gasturb.com and 6% (3 requests) were made to App.usercentrics.eu. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Gasturb.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (31%)

Content Size

4.1 MB

After Optimization

2.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Gasturb.de main page is 4.1 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 302.5 kB

  • Original 350.3 kB
  • After minification 347.6 kB
  • After compression 47.8 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 302.5 kB or 86% of the original size.

Image Optimization

-7%

Potential reduce by 166.0 kB

  • Original 2.5 MB
  • After minification 2.3 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Gas Turb images are well optimized though.

JavaScript Optimization

-48%

Potential reduce by 355.4 kB

  • Original 733.0 kB
  • After minification 718.4 kB
  • After compression 377.6 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 355.4 kB or 48% of the original size.

CSS Optimization

-86%

Potential reduce by 444.8 kB

  • Original 514.8 kB
  • After minification 462.1 kB
  • After compression 70.0 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Gasturb.de needs all CSS files to be minified and compressed as it can save up to 444.8 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (34%)

Requests Now

38

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gas Turb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

gasturb.de

gasturb.de

250 ms

www.gasturb.com

www.gasturb.com

1799 ms

5705cc9ef6d947020e709aabdd9ab5e7.css

5705cc9ef6d947020e709aabdd9ab5e7.css

405 ms

main.js

main.js

19 ms

a7e3fbf5ebafac4d7709463d4aec0ff5.js

a7e3fbf5ebafac4d7709463d4aec0ff5.js

484 ms

5e3354a380e65e6d4262f0ea9efb73fd.js

5e3354a380e65e6d4262f0ea9efb73fd.js

483 ms

c2aa35759b3ad856699683aac0f88aa6.js

c2aa35759b3ad856699683aac0f88aa6.js

504 ms

650e63b5d47df040738abc7bbec0d5a9.js

650e63b5d47df040738abc7bbec0d5a9.js

508 ms

ac1ef89c787e781faddbae0c6fa24185.js

ac1ef89c787e781faddbae0c6fa24185.js

515 ms

6e623c27040bef684635c251a119f177.js

6e623c27040bef684635c251a119f177.js

607 ms

aebdfc5337fdddcc1e323be0b8773ab7.css

aebdfc5337fdddcc1e323be0b8773ab7.css

179 ms

8b7d8f157a64996a63d483fd1f0cfab1.css

8b7d8f157a64996a63d483fd1f0cfab1.css

275 ms

03e446b91deab1f9058f44b1cae7fbc6.css

03e446b91deab1f9058f44b1cae7fbc6.css

303 ms

40c17abd45bf8d900a3aba4ac811b150.css

40c17abd45bf8d900a3aba4ac811b150.css

310 ms

bfd7739729aa22c897f499995f788771.css

bfd7739729aa22c897f499995f788771.css

319 ms

bundle.js

bundle.js

206 ms

gasturb_logo.png

gasturb_logo.png

262 ms

icon_1.gif

icon_1.gif

158 ms

icon_2.gif

icon_2.gif

159 ms

icon_3.gif

icon_3.gif

158 ms

icon_4.gif

icon_4.gif

158 ms

icon_5.gif

icon_5.gif

159 ms

GT14_main_window_large.png

GT14_main_window_large.png

298 ms

solutions_teaser_4.jpg

solutions_teaser_4.jpg

298 ms

solutions_teaser_2.jpg

solutions_teaser_2.jpg

310 ms

solutions_teaser_3.jpg

solutions_teaser_3.jpg

310 ms

solutions_teaser_1.jpg

solutions_teaser_1.jpg

262 ms

solutions_teaser_6.jpg

solutions_teaser_6.jpg

310 ms

GT14_Enthalpy_Entropy_Diagram_large.png

GT14_Enthalpy_Entropy_Diagram_large.png

420 ms

GT14_Electric_Schematic_Advanced_large.png

GT14_Electric_Schematic_Advanced_large.png

608 ms

GT14_ParametricStudy_large.png

GT14_ParametricStudy_large.png

407 ms

GT14_EngineGeometryDesign_large.png

GT14_EngineGeometryDesign_large.png

507 ms

GT14_Transient_large.png

GT14_Transient_large.png

509 ms

GT14_AnSyn_large.png

GT14_AnSyn_large.png

513 ms

slideshow_4_1.jpg

slideshow_4_1.jpg

355 ms

roboto-v20-latin-regular.woff

roboto-v20-latin-regular.woff

494 ms

roboto-v20-latin-500.woff

roboto-v20-latin-500.woff

567 ms

roboto-v20-latin-100.woff

roboto-v20-latin-100.woff

762 ms

roboto-v20-latin-700.woff

roboto-v20-latin-700.woff

763 ms

roboto-v20-latin-900.woff

roboto-v20-latin-900.woff

764 ms

1px.png

1px.png

6 ms

en.json

en.json

166 ms

en

en

117 ms

roboto-v20-latin-regular.woff

roboto-v20-latin-regular.woff

105 ms

graphql

graphql

96 ms

roboto-v20-latin-500.woff

roboto-v20-latin-500.woff

99 ms

roboto-v20-latin-300.woff

roboto-v20-latin-300.woff

105 ms

roboto-v20-latin-100.woff

roboto-v20-latin-100.woff

99 ms

roboto-v20-latin-700.woff

roboto-v20-latin-700.woff

130 ms

roboto-v20-latin-900.woff

roboto-v20-latin-900.woff

130 ms

font-awesome.min.css

font-awesome.min.css

36 ms

Accessibility Review

gasturb.de accessibility score

79

Accessibility Issues

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

gasturb.de best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

gasturb.de SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gasturb.de can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Gasturb.de main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

gasturb.de

Open Graph data is detected on the main page of Gas Turb. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: