Tools & Wizards About Us
sub-aqua.de screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

sub-aqua.de

Sub Aqua - Tauchsafaris, Tauchreisen, Tauchurlaub, Tauchschulen, Tauchbasis

Page Load Speed

4.6 sec in total

First Response

224 ms

Resources Loaded

4.1 sec

Page Rendered

331 ms

sub-aqua.de screenshot

About Website

Click here to check amazing Sub Aqua content for Germany. Otherwise, check out these important facts you probably never knew about sub-aqua.de

SUB AQUA - Tauchreiseveranstalter mit Traumzielen für Taucher: Malediven, Ägypten, Karibik und Tauchsafaris weltweit

Visit sub-aqua.de

Key Findings

We analyzed Sub-aqua.de page load time and found that the first response time was 224 ms and then it took 4.4 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

sub-aqua.de performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value7.9 s

23/100

10%

TBT (Total Blocking Time)

Value200 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value9.0 s

34/100

10%

Network Requests Diagram

sub-aqua.de

224 ms

www.sub-aqua.de

1340 ms

application-0e785fa8873b923deddf4df02cbe9398.css

212 ms

application-18ac2f232c1942ad6e01d1d6c743fc17.js

1327 ms

wowslider-361d0868fe268254ba446cbaccfd62b3.js

480 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 80% of them (43 requests) were addressed to the original Sub-aqua.de, 4% (2 requests) were made to Google-analytics.com and 4% (2 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Sub-aqua.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 504.9 kB (28%)

Content Size

1.8 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sub-aqua.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. 35% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 15.8 kB

  • Original 22.1 kB
  • After minification 20.1 kB
  • After compression 6.3 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 15.8 kB or 71% of the original size.

Image Optimization

-0%

Potential reduce by 5.3 kB

  • Original 1.1 MB
  • After minification 1.1 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. Sub Aqua images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 426.9 kB

  • Original 584.4 kB
  • After minification 448.4 kB
  • After compression 157.5 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 426.9 kB or 73% of the original size.

CSS Optimization

-90%

Potential reduce by 56.9 kB

  • Original 63.4 kB
  • After minification 34.2 kB
  • After compression 6.5 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. Sub-aqua.de needs all CSS files to be minified and compressed as it can save up to 56.9 kB or 90% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (16%)

Requests Now

49

After Optimization

41

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sub Aqua. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

sub-aqua.de

sub-aqua.de

224 ms

www.sub-aqua.de

www.sub-aqua.de

1340 ms

application-0e785fa8873b923deddf4df02cbe9398.css

application-0e785fa8873b923deddf4df02cbe9398.css

212 ms

application-18ac2f232c1942ad6e01d1d6c743fc17.js

application-18ac2f232c1942ad6e01d1d6c743fc17.js

1327 ms

wowslider-361d0868fe268254ba446cbaccfd62b3.js

wowslider-361d0868fe268254ba446cbaccfd62b3.js

480 ms

script-9771936df9a86ab434dee28cc5a93754.js

script-9771936df9a86ab434dee28cc5a93754.js

387 ms

conversion.js

conversion.js

97 ms

css

css

28 ms

SlGVmQWMvZQIdix7AFxXkHNSaA.ttf

SlGVmQWMvZQIdix7AFxXkHNSaA.ttf

20 ms

analytics.js

analytics.js

55 ms

loader.js

loader.js

53 ms

body-background.jpg

body-background.jpg

1050 ms

logo-subaqua-d0f09947f94b1ba02587c76c9628e496.png

logo-subaqua-d0f09947f94b1ba02587c76c9628e496.png

480 ms

topmenu-background.png

topmenu-background.png

288 ms

header001-2fc3e3eef8746616f0a62523bb1d12c4.jpg

header001-2fc3e3eef8746616f0a62523bb1d12c4.jpg

389 ms

header002-5653fa11cef429f9db12c7efa2abab2f.jpg

header002-5653fa11cef429f9db12c7efa2abab2f.jpg

481 ms

header003-15536ca564f4ec62345d7bd2362c2b49.jpg

header003-15536ca564f4ec62345d7bd2362c2b49.jpg

441 ms

header004-15431357985daacbd9f376fd8414131a.jpg

header004-15431357985daacbd9f376fd8414131a.jpg

391 ms

header005-34ab8b9d09004ac4c193f9ed1dfb8846.jpg

header005-34ab8b9d09004ac4c193f9ed1dfb8846.jpg

492 ms

header006-721576e7409ac51cb48e901ad46d4084.jpg

header006-721576e7409ac51cb48e901ad46d4084.jpg

495 ms

header007-ccd0b8f49f58cc72c297574323a292cf.jpg

header007-ccd0b8f49f58cc72c297574323a292cf.jpg

619 ms

menu-background.png

menu-background.png

604 ms

home.png

home.png

606 ms

wirliebentauchen_2023.jpg

wirliebentauchen_2023.jpg

766 ms

minibanner_serenity_header_big.jpg

minibanner_serenity_header_big.jpg

577 ms

price-bottom-background.png

price-bottom-background.png

683 ms

tipp-writing-1a9e53f264470bcb1d90b9026141f2e0.png

tipp-writing-1a9e53f264470bcb1d90b9026141f2e0.png

710 ms

minibanner_header_big.jpg

minibanner_header_big.jpg

705 ms

minibanner_sevenseas_header_big.jpg

minibanner_sevenseas_header_big.jpg

709 ms

minibanner_malediven_hotel_thula_1.jpg

minibanner_malediven_hotel_thula_1.jpg

783 ms

minibanner_banner_Indi2_Header.jpg

minibanner_banner_Indi2_Header.jpg

806 ms

price-bottom-special-background.png

price-bottom-special-background.png

816 ms

special-writing-d3fde3bd836997f014d22fe1de58f195.png

special-writing-d3fde3bd836997f014d22fe1de58f195.png

818 ms

minibanner_Blue_header_big.jpg

minibanner_Blue_header_big.jpg

866 ms

minibanner_amira_header_big.jpg

minibanner_amira_header_big.jpg

882 ms

all-specials-background.jpg

all-specials-background.jpg

915 ms

callgirl-d0006722c2f1874076183547b3dd6b3b.png

callgirl-d0006722c2f1874076183547b3dd6b3b.png

917 ms

box-title-background.png

box-title-background.png

921 ms

call-cd81579936c8680e8dbd8fa62d3a18aa.png

call-cd81579936c8680e8dbd8fa62d3a18aa.png

969 ms

mail-1323372697e6b2827b9402e9942e36ee.png

mail-1323372697e6b2827b9402e9942e36ee.png

985 ms

catalog-e2e7a5de46b3c3bd922b0a42560399a9.png

catalog-e2e7a5de46b3c3bd922b0a42560399a9.png

1019 ms

catalogue-e6167255a4f58b01ebc26b41dba6af37.jpg

catalogue-e6167255a4f58b01ebc26b41dba6af37.jpg

1120 ms

facebook-3ac0baf09293e13baf303f686182bb0f.png

facebook-3ac0baf09293e13baf303f686182bb0f.png

1026 ms

footer-036875f3509f7c5cefc276ddd568a01a.png

footer-036875f3509f7c5cefc276ddd568a01a.png

1070 ms

tick.png

tick.png

1072 ms

circle-arrow.png

circle-arrow.png

1109 ms

c5a7f89e-15b6-49a9-8259-5ea665e72191.woff

c5a7f89e-15b6-49a9-8259-5ea665e72191.woff

1112 ms

43 ms

call-tracking_9.js

call-tracking_9.js

14 ms

collect

collect

14 ms

collect

collect

30 ms

js

js

75 ms

32 ms

9949035f-6226-4080-a14a-bf7d94ffb1e1.woff

9949035f-6226-4080-a14a-bf7d94ffb1e1.woff

868 ms

Accessibility Review

sub-aqua.de accessibility score

93

Accessibility Issues

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.

Best Practices

sub-aqua.de best practices score

58

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

sub-aqua.de SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sub-aqua.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Sub-aqua.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

sub-aqua.de

Open Graph description is not detected on the main page of Sub Aqua. 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: