Tools & Wizards About Us
one.at screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

one.at

Handy - Festnetz - Internet - Mobiles Internet - TV | A1.net

Page Load Speed

4.8 sec in total

First Response

437 ms

Resources Loaded

3.5 sec

Page Rendered

892 ms

one.at screenshot

About Website

Click here to check amazing One content. Otherwise, check out these important facts you probably never knew about one.at

Alles aus einer Hand. Internet, TV, Mobil- & Festnetztelefonie, unbegrenztes Festnetz-Internet für zuhause und kostenloses WLAN-Modem.

Visit one.at

Key Findings

We analyzed One.at page load time and found that the first response time was 437 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

one.at performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

10/100

25%

SI (Speed Index)

Value7.3 s

28/100

10%

TBT (Total Blocking Time)

Value730 ms

40/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value11.9 s

17/100

10%

Network Requests Diagram

one.at

437 ms

www.a1.net

1707 ms

main.css

490 ms

combo

890 ms

clay.css

779 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original One.at, 30% (17 requests) were made to Cdn23.a1.net and 25% (14 requests) were made to Cdn22.a1.net. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source A1.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 206.4 kB (21%)

Content Size

993.9 kB

After Optimization

787.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of One.at main page is 993.9 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Images take 362.0 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 204.8 kB

  • Original 254.2 kB
  • After minification 246.5 kB
  • After compression 49.4 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 204.8 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 362.0 kB
  • After minification 362.0 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. One images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.5 kB

  • Original 359.6 kB
  • After minification 359.6 kB
  • After compression 358.1 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.

CSS Optimization

-1%

Potential reduce by 175 B

  • Original 18.1 kB
  • After minification 18.1 kB
  • After compression 17.9 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. One.at has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 34 (63%)

Requests Now

54

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of One. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

one.at

one.at

437 ms

www.a1.net

www.a1.net

1707 ms

main.css

main.css

490 ms

combo

combo

890 ms

clay.css

clay.css

779 ms

main.css

main.css

672 ms

combo

combo

556 ms

js_loader_config

js_loader_config

551 ms

combo

combo

962 ms

js_bundle_config

js_bundle_config

560 ms

main.css

main.css

564 ms

main.min.css

main.min.css

559 ms

all.min.js

all.min.js

553 ms

head-sync.js

head-sync.js

556 ms

tracking-events.js

tracking-events.js

668 ms

tracking-promotion.js

tracking-promotion.js

675 ms

tracking-clicks.js

tracking-clicks.js

672 ms

otSDKStub.js

otSDKStub.js

35 ms

layout_set_logo

layout_set_logo

554 ms

9c77cde4-c547-4516-43c4-e6de3e927656

9c77cde4-c547-4516-43c4-e6de3e927656

505 ms

4ae673ba-ab73-9e20-4cde-e7941883dde4

4ae673ba-ab73-9e20-4cde-e7941883dde4

573 ms

e7b6aab6-1433-df2a-c712-0c024d3dd229

e7b6aab6-1433-df2a-c712-0c024d3dd229

576 ms

fccc0c21-a287-342f-7d7f-6362de055d7c

fccc0c21-a287-342f-7d7f-6362de055d7c

581 ms

4a90d484-c6f3-cbce-2e54-14bdbeeb991d

4a90d484-c6f3-cbce-2e54-14bdbeeb991d

622 ms

120efb58-1fb0-abd1-5aec-c54858d5ad83

120efb58-1fb0-abd1-5aec-c54858d5ad83

685 ms

ce5f2f8b-6d90-1d06-0daa-621bbf75671f

ce5f2f8b-6d90-1d06-0daa-621bbf75671f

907 ms

33ebd65a-125c-f3cb-e523-571c2fc0aa65

33ebd65a-125c-f3cb-e523-571c2fc0aa65

508 ms

ca1075c2-d06a-6bc0-f8df-92e08e239c38

ca1075c2-d06a-6bc0-f8df-92e08e239c38

515 ms

cb667af8-a8cd-a47c-47f2-d21e6462ac97

cb667af8-a8cd-a47c-47f2-d21e6462ac97

516 ms

5dc969ad-cb69-b8ef-1a81-d1004872b9de

5dc969ad-cb69-b8ef-1a81-d1004872b9de

513 ms

e9c901a5-6580-ae88-407d-585740f8e389

e9c901a5-6580-ae88-407d-585740f8e389

572 ms

beb905ca-e83e-000c-1fb1-88358a6bf137

beb905ca-e83e-000c-1fb1-88358a6bf137

740 ms

f73cab64-2a54-a352-4005-da00bc6251f5

f73cab64-2a54-a352-4005-da00bc6251f5

920 ms

c8478e91-943b-3fae-193e-e2077a9aaa17

c8478e91-943b-3fae-193e-e2077a9aaa17

920 ms

57a7771e-6cd2-6e96-6d93-759beaeb8c87

57a7771e-6cd2-6e96-6d93-759beaeb8c87

978 ms

24c45d3b-3fab-572d-52b6-22ead1767df3

24c45d3b-3fab-572d-52b6-22ead1767df3

471 ms

f8ad7d3f-2673-372e-849a-b898124efb4f

f8ad7d3f-2673-372e-849a-b898124efb4f

585 ms

48e33fea-70c6-162e-2cc8-1a70baddc4bf

48e33fea-70c6-162e-2cc8-1a70baddc4bf

580 ms

aac25cf1-388a-9a3b-e0ee-c786e8acf461

aac25cf1-388a-9a3b-e0ee-c786e8acf461

586 ms

theme.css

theme.css

237 ms

jquery-2.2.4.min.js

jquery-2.2.4.min.js

277 ms

jsbridge-config-lr.js

jsbridge-config-lr.js

120 ms

bridge2.min.js

bridge2.min.js

121 ms

tweetylogin.js

tweetylogin.js

751 ms

gtm.js

gtm.js

315 ms

a1_nav_arrow_down.svg

a1_nav_arrow_down.svg

311 ms

a1_arrow_external.svg

a1_arrow_external.svg

285 ms

fontawesome-alloy.woff

fontawesome-alloy.woff

161 ms

292 ms

7be88f69-ce3a-4f37-9745-bcccebca4374.json

7be88f69-ce3a-4f37-9745-bcccebca4374.json

36 ms

location

location

37 ms

otBannerSdk.js

otBannerSdk.js

31 ms

de.json

de.json

26 ms

otCenterRounded.json

otCenterRounded.json

17 ms

otPcCenter.json

otPcCenter.json

21 ms

otCommonStyles.css

otCommonStyles.css

22 ms

login-iframe.js

login-iframe.js

270 ms

Accessibility Review

one.at accessibility score

90

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

[role]s are not contained by their required parent element

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

High

Links do not have a discernible name

Best Practices

one.at best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

one.at 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 One.at 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 One.at 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

one.at

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