Access american-express.de. Kreditkarten, Reisen, Prämien

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value1,790 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.098

90/100

15%

TTI (Time to Interactive)

Value16.6 s

5/100

10%

248 ms

164 ms

dls.min.css

664 ms

hp_style_071622.css

167 ms

app_top.js

2153 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original American-express.de, 39% (16 requests) were made to Americanexpress.com and 5% (2 requests) were made to Assets.adobedtm.com. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source Aexp-static.com.

Content Size

1.7 MB

After Optimization

840.2 kB

In fact, the total size of American-express.de main page is 1.7 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. 70% of websites need less resources to load. Javascripts take 741.9 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 323.2 kB

Original 370.5 kB
After minification 360.6 kB
After compression 47.3 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 323.2 kB or 87% of the original size.

Image Optimization

-2%

Potential reduce by 11.8 kB

Original 537.4 kB
After minification 525.6 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. American Express images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 522.4 kB

Original 741.9 kB
After minification 741.0 kB
After compression 219.5 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 522.4 kB or 70% of the original size.

CSS Optimization

-37%

Potential reduce by 27.7 kB

Original 75.6 kB
After minification 71.2 kB
After compression 47.8 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. American-express.de needs all CSS files to be minified and compressed as it can save up to 27.7 kB or 37% of the original size.

Requests Now

After Optimization

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of American Express. 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.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-*] attributes do not match their roles

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

Heading elements are not in a sequentially-descending order

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

Form elements do not have associated labels

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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

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 American-express.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 American-express.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

american-express.de

Open Graph data is detected on the main page of American Express. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

Kreditkarten, Reisen, Prämien | American Express Deutschland

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)