Tools & Wizards About Us
raes-hamburg.de screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

raes-hamburg.de

RAeS Hamburg

Page Load Speed

3.5 sec in total

First Response

267 ms

Resources Loaded

2.7 sec

Page Rendered

476 ms

raes-hamburg.de screenshot

About Website

Click here to check amazing RAeS Hamburg content. Otherwise, check out these important facts you probably never knew about raes-hamburg.de

Website of the Royal Aeronautical Society Hamburg Branch

Visit raes-hamburg.de

Key Findings

We analyzed Raes-hamburg.de page load time and found that the first response time was 267 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

raes-hamburg.de performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

36/100

25%

SI (Speed Index)

Value7.5 s

27/100

10%

TBT (Total Blocking Time)

Value5,130 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.181

67/100

15%

TTI (Time to Interactive)

Value18.9 s

3/100

10%

Network Requests Diagram

raes-hamburg.de

267 ms

www.raes-hamburg.de

786 ms

jquery-ui-1.11.2.min.css

109 ms

fonts.css

217 ms

basic.css

509 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 62% of them (28 requests) were addressed to the original Raes-hamburg.de, 13% (6 requests) were made to Youtube.com and 9% (4 requests) were made to Media.teamwebber.de. The less responsive or slowest element that took the longest time to load (786 ms) belongs to the original domain Raes-hamburg.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 543.1 kB (30%)

Content Size

1.8 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Raes-hamburg.de main page is 1.8 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. 55% of websites need less resources to load. Images take 919.3 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 33.9 kB

  • Original 41.3 kB
  • After minification 36.5 kB
  • After compression 7.4 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. This page needs HTML code to be minified as it can gain 4.9 kB, which is 12% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 33.9 kB or 82% of the original size.

Image Optimization

-5%

Potential reduce by 42.1 kB

  • Original 919.3 kB
  • After minification 877.3 kB

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. RAeS Hamburg images are well optimized though.

JavaScript Optimization

-51%

Potential reduce by 284.6 kB

  • Original 560.5 kB
  • After minification 547.8 kB
  • After compression 275.8 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 284.6 kB or 51% of the original size.

CSS Optimization

-68%

Potential reduce by 182.5 kB

  • Original 269.0 kB
  • After minification 246.5 kB
  • After compression 86.5 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. Raes-hamburg.de needs all CSS files to be minified and compressed as it can save up to 182.5 kB or 68% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (37%)

Requests Now

41

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RAeS Hamburg. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

raes-hamburg.de

raes-hamburg.de

267 ms

www.raes-hamburg.de

www.raes-hamburg.de

786 ms

jquery-ui-1.11.2.min.css

jquery-ui-1.11.2.min.css

109 ms

fonts.css

fonts.css

217 ms

basic.css

basic.css

509 ms

custom.css

custom.css

610 ms

menu.css

menu.css

308 ms

jquery-1.11.2.min.js

jquery-1.11.2.min.js

531 ms

jquery-ui-1.11.2.min.js

jquery-ui-1.11.2.min.js

746 ms

basic.js

basic.js

322 ms

functions.js

functions.js

411 ms

seite.dev.js

seite.dev.js

430 ms

scripts.js

scripts.js

514 ms

img-1481219150637.jpg

img-1481219150637.jpg

505 ms

col-button-bl-128.png

col-button-bl-128.png

774 ms

img-1481471520563.png

img-1481471520563.png

442 ms

img-1729536933407.jpg

img-1729536933407.jpg

105 ms

img-1729588884230.jpg

img-1729588884230.jpg

110 ms

grad_1_25.png

grad_1_25.png

766 ms

oc7dUgOSpMU

oc7dUgOSpMU

143 ms

DJGCXdQM8i4

DJGCXdQM8i4

492 ms

img-1666781468116.jpeg

img-1666781468116.jpeg

492 ms

img-1666780906323.jpeg

img-1666780906323.jpeg

439 ms

img-1666780937281.jpg

img-1666780937281.jpg

583 ms

img-1480544273058.jpg

img-1480544273058.jpg

439 ms

el-bgpic-img-1480853998734.jpg

el-bgpic-img-1480853998734.jpg

449 ms

img-1481988001915.jpg

img-1481988001915.jpg

449 ms

lecture%20photo2.jpg

lecture%20photo2.jpg

449 ms

img-1481323697636.png

img-1481323697636.png

538 ms

img-1496574589405.jpg

img-1496574589405.jpg

539 ms

img-1496574606257.jpg

img-1496574606257.jpg

539 ms

img-1496574625904.jpg

img-1496574625904.jpg

539 ms

grad_1_50.png

grad_1_50.png

720 ms

overlay_bg.png

overlay_bg.png

718 ms

www-player.css

www-player.css

27 ms

www-embed-player.js

www-embed-player.js

44 ms

base.js

base.js

69 ms

ad_status.js

ad_status.js

262 ms

Ad3CYU-MFuD9P43SM-836j9vytei2WevPAccfqRdJKY.js

Ad3CYU-MFuD9P43SM-836j9vytei2WevPAccfqRdJKY.js

264 ms

embed.js

embed.js

161 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

76 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

83 ms

id

id

45 ms

Create

Create

28 ms

Create

Create

113 ms

Accessibility Review

raes-hamburg.de accessibility score

95

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Best Practices

raes-hamburg.de best practices score

83

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

Page has valid source maps

SEO Factors

raes-hamburg.de SEO score

91

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

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 Raes-hamburg.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 Raes-hamburg.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

raes-hamburg.de

Open Graph description is not detected on the main page of RAeS Hamburg. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: