Tools & Wizards About Us
cave-diving.de screenshot

Report Summary

  • 74

    Performance

    Renders faster than
    83% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

cave-diving.de

cave-diving.de

Page Load Speed

1.2 sec in total

First Response

362 ms

Resources Loaded

778 ms

Page Rendered

58 ms

cave-diving.de screenshot

About Website

Click here to check amazing Cave Diving content. Otherwise, check out these important facts you probably never knew about cave-diving.de

This domain may be for sale!

Visit cave-diving.de

Key Findings

We analyzed Cave-diving.de page load time and found that the first response time was 362 ms and then it took 836 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

cave-diving.de performance score

74

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

95/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

91/100

25%

SI (Speed Index)

Value3.4 s

89/100

10%

TBT (Total Blocking Time)

Value860 ms

33/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.9 s

77/100

10%

Network Requests Diagram

www2.cave-diving.de

362 ms

arrows.png

5 ms

caf.js

19 ms

Our browser made a total of 3 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Cave-diving.de, 33% (1 request) were made to Img.sedoparking.com and 33% (1 request) were made to Google.com. The less responsive or slowest element that took the longest time to load (362 ms) relates to the external source Www2.cave-diving.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 21.9 kB (24%)

Content Size

90.9 kB

After Optimization

69.0 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Cave-diving.de main page is 90.9 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Javascripts take 55.1 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 15.9 kB

  • Original 23.1 kB
  • After minification 22.9 kB
  • After compression 7.1 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 15.9 kB or 69% of the original size.

Image Optimization

-46%

Potential reduce by 5.8 kB

  • Original 12.6 kB
  • After minification 6.9 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. Obviously, Cave Diving needs image optimization as it can save up to 5.8 kB or 46% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 176 B

  • Original 55.1 kB
  • After minification 55.1 kB
  • After compression 55.0 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. This website has mostly compressed JavaScripts.

Requests Breakdown

We found no issues to fix!

Requests Now

2

After Optimization

2

  • Images
  • JavaScript

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cave Diving. According to our analytics all requests are already optimized.

Network Requests Diagram

www2.cave-diving.de

www2.cave-diving.de

362 ms

arrows.png

arrows.png

5 ms

caf.js

caf.js

19 ms

Accessibility Review

cave-diving.de accessibility score

86

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.

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

Best Practices

cave-diving.de best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

cave-diving.de SEO score

92

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

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 Cave-diving.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 Cave-diving.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

cave-diving.de

Open Graph description is not detected on the main page of Cave Diving. 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: