Tools & Wizards About Us
birki.com screenshot

Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

birki.com

BIRKENSTOCK Sandalen und Schuhe | Offizieller Onlineshop

Page Load Speed

3.8 sec in total

First Response

580 ms

Resources Loaded

2.4 sec

Page Rendered

808 ms

birki.com screenshot

About Website

Visit birki.com now to see the best up-to-date Birki content and also check out these interesting facts you probably never knew about birki.com

BIRKENSTOCK | Größte Auswahl im offiziellen Onlineshop. Sandalen und Schuhe für Damen, Herren & Kinder ✓ Kauf auf Rechnung ✓ Kostenlose Retoure

Visit birki.com

Key Findings

We analyzed Birki.com page load time and found that the first response time was 580 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

birki.com performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value10.1 s

0/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value3,850 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.491

17/100

15%

TTI (Time to Interactive)

Value18.1 s

3/100

10%

Network Requests Diagram

de

580 ms

api_dynamic.js

78 ms

api_static.js

101 ms

bsd-cms-5068-88.css

67 ms

build.min.js

204 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Birki.com, 24% (11 requests) were made to Birkenstock.com and 11% (5 requests) were made to Photorankstatics-a.akamaihd.net. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Helios.production.bsd.coremedia.cloud.

Page Optimization Overview & Recommendations

Page size can be reduced by 337.6 kB (28%)

Content Size

1.2 MB

After Optimization

878.9 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Birki.com main page is 1.2 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 496.3 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 323.7 kB

  • Original 385.0 kB
  • After minification 382.8 kB
  • After compression 61.3 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 323.7 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 370 B

  • Original 496.3 kB
  • After minification 495.9 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. Birki images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 13.5 kB

  • Original 335.2 kB
  • After minification 335.2 kB
  • After compression 321.7 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

Number of requests can be reduced by 15 (38%)

Requests Now

40

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Birki. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

de

de

580 ms

api_dynamic.js

api_dynamic.js

78 ms

api_static.js

api_static.js

101 ms

bsd-cms-5068-88.css

bsd-cms-5068-88.css

67 ms

build.min.js

build.min.js

204 ms

birkenstock_WmsgQt.js

birkenstock_WmsgQt.js

69 ms

homepage.js

homepage.js

507 ms

commons-479708-4.js

commons-479708-4.js

354 ms

bsd-cms-5072-54.js

bsd-cms-5072-54.js

89 ms

widget.module.min.js

widget.module.min.js

179 ms

widget.polyfilled.min.js

widget.polyfilled.min.js

304 ms

dwanalytics-22.2.js

dwanalytics-22.2.js

178 ms

dwac-21.7.js

dwac-21.7.js

179 ms

gretel.min.js

gretel.min.js

58 ms

applepay.js

applepay.js

178 ms

gtm.js

gtm.js

326 ms

logo.svg

logo.svg

133 ms

flyout-arrow-down.svg

flyout-arrow-down.svg

55 ms

Hermes_Logo.jpg

Hermes_Logo.jpg

149 ms

24ss-newcollection-om-1026560-0903.webp

24ss-newcollection-om-1026560-0903.webp

304 ms

24aw-exquisite-om-1023955-1027803-036.webp

24aw-exquisite-om-1023955-1027803-036.webp

305 ms

clogs.webp

clogs.webp

601 ms

multi-strap.webp

multi-strap.webp

603 ms

plateau.webp

plateau.webp

604 ms

one-strap.webp

one-strap.webp

773 ms

24aw-exquisite-om-1023955-1027803-036.webp

24aw-exquisite-om-1023955-1027803-036.webp

698 ms

clogs.webp

clogs.webp

683 ms

multi-strap.webp

multi-strap.webp

824 ms

plateau.webp

plateau.webp

995 ms

one-strap.webp

one-strap.webp

982 ms

recovery-1-.webp

recovery-1-.webp

1149 ms

desktop.webp

desktop.webp

1344 ms

DINNextW05-Regular.woff

DINNextW05-Regular.woff

131 ms

DINNextW05-Medium.woff

DINNextW05-Medium.woff

132 ms

DINNextW05-Bold.woff

DINNextW05-Bold.woff

132 ms

b9a95ee0e8e116ff3b5ac8d5703bf080

b9a95ee0e8e116ff3b5ac8d5703bf080

18 ms

b9a95ee0e8e116ff3b5ac8d5703bf080

b9a95ee0e8e116ff3b5ac8d5703bf080

126 ms

build.min.css

build.min.css

4 ms

2186314043

2186314043

24 ms

recent

recent

39 ms

topseller

topseller

221 ms

recently-viewed

recently-viewed

263 ms

render.gif

render.gif

105 ms

viewer2v2.html

viewer2v2.html

404 ms

olapic-icons.woff

olapic-icons.woff

30 ms

Accessibility Review

birki.com accessibility score

70

Accessibility Issues

ARIA

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.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

ARIA IDs are not unique

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

Buttons do not have an accessible name

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

birki.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Page has valid source maps

SEO Factors

birki.com SEO score

93

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

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Birki.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 Birki.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

birki.com

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