Access btc-de.com. BTC Europe - Ihr Experte vor Ort für Spezialchemikalien

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value12.5 s

0/100

25%

SI (Speed Index)

Value6.2 s

43/100

10%

TBT (Total Blocking Time)

Value520 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0.622

10/100

15%

TTI (Time to Interactive)

Value7.1 s

52/100

10%

btc-de.com

198 ms

btc-de.com

382 ms

384 ms

232 ms

merged-07f243ea2149a096071cee9f0a4d2102-53f69cd91980b015a523d1e9d4b357fd.css

280 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Btc-de.com, 95% (83 requests) were made to Btc-europe.com and 1% (1 request) were made to Tags.tiqcdn.com. The less responsive or slowest element that took the longest time to load (2.9 sec) relates to the external source Btc-europe.com.

Content Size

24.3 MB

After Optimization

24.1 MB

In fact, the total size of Btc-de.com main page is 24.3 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. 65% of websites need less resources to load. Images take 24.1 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 194.5 kB

Original 212.6 kB
After minification 166.0 kB
After compression 18.1 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. This page needs HTML code to be minified as it can gain 46.7 kB, which is 22% 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 194.5 kB or 91% of the original size.

Image Optimization

-0%

Potential reduce by 22 B

Original 24.1 MB
After minification 24.1 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. BTC De images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 26 B

Original 11.9 kB
After minification 11.9 kB
After compression 11.9 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 Now

After Optimization

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BTC De. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests 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 keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

High

Links are not crawlable

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/).

High

Document uses legible font sizes

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 Btc-de.com 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 Btc-de.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

btc-de.com

Open Graph description is not detected on the main page of BTC De. 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

BTC Europe - Ihr Experte vor Ort für Spezialchemikalien

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

btc-de.com

btc-de.com

merged-07f243ea2149a096071cee9f0a4d2102-53f69cd91980b015a523d1e9d4b357fd.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

btc-de.com

btc-de.com

merged-07f243ea2149a096071cee9f0a4d2102-53f69cd91980b015a523d1e9d4b357fd.css

merged-e1b3a076d6366da820e7733cedf26474-068ca56840fb1e2f182bee12b84d00e7.js

BTC-Logo-Green.svg

Endorsement.svg

BTC-Logo-White.svg

Endorsement-White.svg

Search-white.svg

Accessibility.svg

MenuButton.svg

close.svg

Search-blue.svg

Plus-white.svg

Accessibility-hover.svg

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csm_btc-logo-square_3fdf3132ec.png

chatbubble.svg

scroll-horizontal-white.svg

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utag.js

csm_csm_BTC_Glysantin_1400x1050px_27a268af7e_4c3cda5486.jpg

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016b4a6cdced82ab3aa1.ttf

csm_P190_EFfCI_GMP1dc03bbf9ca.jpg

csm_4283_The_steam_cracker_II_The_heart_of_the_Verbund1a3639a67e3.jpg

csm_P190_EFfCI_GMP1bfedc4ab63.jpg