Tools & Wizards About Us
selltec.de screenshot

Report Summary

  • 81

    Performance

    Renders faster than
    86% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 81

    SEO

    Google-friendlier than
    42% of websites

selltec.de

SELLTEC CMS Systeme, Shopsysteme, Online Datenbank Software

Page Load Speed

2.6 sec in total

First Response

228 ms

Resources Loaded

2.2 sec

Page Rendered

193 ms

selltec.de screenshot

About Website

Visit selltec.de now to see the best up-to-date SELLTEC content for Germany and also check out these interesting facts you probably never knew about selltec.de

Professionelle Webanwendungen für Ihr Online-Business: Webentwicklung, CMS Systeme, Shopsysteme, Portal Systeme, Online Datenbank Software und WebOffice Lösungen.

Visit selltec.de

Key Findings

We analyzed Selltec.de page load time and found that the first response time was 228 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

selltec.de performance score

81

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

69/100

25%

SI (Speed Index)

Value4.3 s

76/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.165

71/100

15%

TTI (Time to Interactive)

Value3.3 s

94/100

10%

Network Requests Diagram

selltec.de

228 ms

www.selltec.de

303 ms

www.selltec.de

411 ms

style.css

192 ms

s1715607657039ssl-mce_jq_ui.js

381 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 97% of them (37 requests) were addressed to the original Selltec.de, 3% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (830 ms) belongs to the original domain Selltec.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 38.0 kB (15%)

Content Size

258.7 kB

After Optimization

220.7 kB

  • HTML
  • Images

In fact, the total size of Selltec.de main page is 258.7 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. 25% of websites need less resources to load. Images take 218.9 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 31.7 kB

  • Original 39.8 kB
  • After minification 32.8 kB
  • After compression 8.1 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 7.1 kB, which is 18% 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 31.7 kB or 80% of the original size.

Image Optimization

-3%

Potential reduce by 6.3 kB

  • Original 218.9 kB
  • After minification 212.6 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. SELLTEC images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 4 (29%)

Requests Now

14

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SELLTEC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

selltec.de

selltec.de

228 ms

www.selltec.de

www.selltec.de

303 ms

www.selltec.de

www.selltec.de

411 ms

style.css

style.css

192 ms

s1715607657039ssl-mce_jq_ui.js

s1715607657039ssl-mce_jq_ui.js

381 ms

js

js

61 ms

www.selltec.de

www.selltec.de

230 ms

logo.png

logo.png

97 ms

logo_img_mobile.png

logo_img_mobile.png

193 ms

plattform_portal_entwicklung2_2000y800.webp

plattform_portal_entwicklung2_2000y800.webp

380 ms

laptop_transparent_shadow_100y100.webp

laptop_transparent_shadow_100y100.webp

285 ms

cms_red_100y63.webp

cms_red_100y63.webp

287 ms

portal_orange_small_100y63.webp

portal_orange_small_100y63.webp

288 ms

shop_yellow_small_100y63.webp

shop_yellow_small_100y63.webp

289 ms

db_gruen_small_100y63.webp

db_gruen_small_100y63.webp

324 ms

weboffice_blue_small_100y63.webp

weboffice_blue_small_100y63.webp

380 ms

webentwicklung.jpg

webentwicklung.jpg

576 ms

webanwendungen.jpg

webanwendungen.jpg

580 ms

webdesign_300y225_fi.webp

webdesign_300y225_fi.webp

386 ms

code4_um_bezentriert_300y225_fi.webp

code4_um_bezentriert_300y225_fi.webp

419 ms

datenbankentwicklung_300y225_fi.webp

datenbankentwicklung_300y225_fi.webp

475 ms

de_design_300y225_fi.webp

de_design_300y225_fi.webp

475 ms

online_marketing_blau_grau_300y225_fi.webp

online_marketing_blau_grau_300y225_fi.webp

481 ms

11_Hosting_Service-256_300y225_fi.webp

11_Hosting_Service-256_300y225_fi.webp

513 ms

Lato-Regular.woff

Lato-Regular.woff

651 ms

Lato-Light.woff

Lato-Light.woff

675 ms

Lato-Hairline.woff

Lato-Hairline.woff

667 ms

Lato-Bold.woff

Lato-Bold.woff

600 ms

Lato-Black.woff

Lato-Black.woff

665 ms

fa-solid-900.woff

fa-solid-900.woff

768 ms

fa-regular-400.woff

fa-regular-400.woff

737 ms

DiaShow

DiaShow

739 ms

CookieConsent

CookieConsent

732 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

830 ms

InputForm

InputForm

739 ms

iStock_000018649422Small_350y200_f.jpg

iStock_000018649422Small_350y200_f.jpg

97 ms

iStock_000018649422Small_500y400.jpg

iStock_000018649422Small_500y400.jpg

99 ms

0523d.png

0523d.png

96 ms

Accessibility Review

selltec.de accessibility score

66

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

selltec.de 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

SEO Factors

selltec.de SEO score

81

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

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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

High

Tap targets are not sized appropriately

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 Selltec.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 Selltec.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

selltec.de

Open Graph description is not detected on the main page of SELLTEC. 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: