Access rent-a-boat-berlin.com. Boat Rental

name

value

score

weighting

FCP (First Contentful Paint)

Value6.8 s

1/100

10%

LCP (Largest Contentful Paint)

Value28.3 s

0/100

25%

SI (Speed Index)

Value11.7 s

4/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.017

100/100

15%

TTI (Time to Interactive)

Value9.7 s

29/100

10%

521 ms

typography2.php

169 ms

modal.css

204 ms

style.css

210 ms

template.css

210 ms

Our browser made a total of 84 requests to load all elements on the main page. We found that 49% of them (41 requests) were addressed to the original Rent-a-boat-berlin.com, 18% (15 requests) were made to Maps.googleapis.com and 11% (9 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (7.7 sec) belongs to the original domain Rent-a-boat-berlin.com.

Content Size

3.0 MB

After Optimization

1.9 MB

In fact, the total size of Rent-a-boat-berlin.com main page is 3.0 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 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 12.4 kB

Original 16.5 kB
After minification 16.1 kB
After compression 4.1 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 12.4 kB or 75% of the original size.

Image Optimization

-2%

Potential reduce by 36.4 kB

Original 1.6 MB
After minification 1.6 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. Renta Boat Berlin images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 935.7 kB

Original 1.3 MB
After minification 1.2 MB
After compression 361.4 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 935.7 kB or 72% of the original size.

CSS Optimization

-80%

Potential reduce by 38.3 kB

Original 47.7 kB
After minification 40.5 kB
After compression 9.4 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. Rent-a-boat-berlin.com needs all CSS files to be minified and compressed as it can save up to 38.3 kB or 80% of the original size.

Requests Now

After Optimization

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Renta Boat Berlin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

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

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.

High

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Image elements do not have [alt] attributes

Language and Encoding

Language Detected

DE
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rent-a-boat-berlin.com can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Rent-a-boat-berlin.com 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

rent-a-boat-berlin.com

Open Graph description is not detected on the main page of Renta Boat Berlin. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

Boat Rental

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

typography2.php

modal.css

style.css

template.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

typography2.php

modal.css

style.css

template.css

style.css

galleria.classic.css

mootools-core.js

core.js

mootools-more.js

modal.js

caption.js

jquery.min.js

jsn_is_conflict.js

galleria-1.2.8.js

galleria.classic.js

system.css

template.css

container.css

Navigation.css

system.css

Abteibruecke_K.jpg

Panorama03.jpg

Panorama02.jpg

Bild05.JPG

logo.png

maps

bg_wasser06.jpg

Panorama03.jpg

en.gif

de.gif

WR01_190.jpg

RB01_190.jpg

PB01_190.jpg

StartseiteLogo.jpg

Logo_klein.jpg

Zenner_K.jpg

classic-loader.gif

classic-map.png

embed

Panorama03.jpg

Panorama02.jpg

Abteibruecke_K.jpg

js

init_embed.js