Tools & Wizards About Us
sebulli.com screenshot

Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

sebulli.com

gerd bartelt

Page Load Speed

4.5 sec in total

First Response

325 ms

Resources Loaded

2.3 sec

Page Rendered

1.9 sec

sebulli.com screenshot

About Website

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

Gerd Bartelt - Projects

Visit sebulli.com

Key Findings

We analyzed Sebulli.com page load time and found that the first response time was 325 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

sebulli.com performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

81/100

10%

LCP (Largest Contentful Paint)

Value9.0 s

1/100

25%

SI (Speed Index)

Value3.4 s

90/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value2.7 s

97/100

10%

Network Requests Diagram

sebulli.com

325 ms

www.sebulli.com

375 ms

screenstyle4.css

436 ms

viking5.png

1000 ms

EN.png

460 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that all of those requests were addressed to Sebulli.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Sebulli.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 155.5 kB (6%)

Content Size

2.4 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • CSS

In fact, the total size of Sebulli.com main page is 2.4 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 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 33.0 kB

  • Original 37.7 kB
  • After minification 34.1 kB
  • After compression 4.8 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 33.0 kB or 87% of the original size.

Image Optimization

-5%

Potential reduce by 122.2 kB

  • Original 2.4 MB
  • After minification 2.3 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. Sebulli images are well optimized though.

CSS Optimization

-17%

Potential reduce by 289 B

  • Original 1.7 kB
  • After minification 1.7 kB
  • After compression 1.5 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. Sebulli.com needs all CSS files to be minified and compressed as it can save up to 289 B or 17% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

65

After Optimization

65

  • Images
  • CSS

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sebulli. According to our analytics all requests are already optimized.

Network Requests Diagram

sebulli.com

sebulli.com

325 ms

www.sebulli.com

www.sebulli.com

375 ms

screenstyle4.css

screenstyle4.css

436 ms

viking5.png

viking5.png

1000 ms

EN.png

EN.png

460 ms

DE.png

DE.png

460 ms

DK.png

DK.png

469 ms

Futterautomat.jpg

Futterautomat.jpg

330 ms

Torte_Hochzeit_50_s.jpg

Torte_Hochzeit_50_s.jpg

418 ms

palumia.png

palumia.png

316 ms

icon_gpl3.png

icon_gpl3.png

230 ms

hydrationsystemgauge5.png

hydrationsystemgauge5.png

450 ms

BeatBassBox400.jpg

BeatBassBox400.jpg

449 ms

servo168.png

servo168.png

365 ms

kalimbanotenmini.jpg

kalimbanotenmini.jpg

528 ms

cc.png

cc.png

449 ms

Fahrrad2.jpg

Fahrrad2.jpg

581 ms

energy_drink.jpg

energy_drink.jpg

525 ms

theremin.png

theremin.png

551 ms

frq40m.jpg

frq40m.jpg

550 ms

fusspedal.jpg

fusspedal.jpg

554 ms

kettenblatt.jpg

kettenblatt.jpg

735 ms

roller_tn.jpg

roller_tn.jpg

632 ms

weldingmeter.png

weldingmeter.png

767 ms

headbadge.jpg

headbadge.jpg

662 ms

tacho.png

tacho.png

772 ms

stepper_instrument.png

stepper_instrument.png

797 ms

gokart.png

gokart.png

740 ms

campos.png

campos.png

774 ms

mini_psu.png

mini_psu.png

842 ms

picrx.png

picrx.png

847 ms

psu-kit.png

psu-kit.png

879 ms

globe_icon.png

globe_icon.png

992 ms

rosenkorb.png

rosenkorb.png

989 ms

phpbb3auth.png

phpbb3auth.png

908 ms

icon_gpl.png

icon_gpl.png

949 ms

actuator.png

actuator.png

953 ms

2dpos.png

2dpos.png

1094 ms

excelformel.png

excelformel.png

791 ms

zeichnen.png

zeichnen.png

744 ms

grafdklein.png

grafdklein.png

733 ms

Fledermaus.png

Fledermaus.png

739 ms

blackboard.png

blackboard.png

688 ms

photoamplifier.png

photoamplifier.png

684 ms

lasertracker.png

lasertracker.png

718 ms

cinderella.png

cinderella.png

718 ms

ntc.png

ntc.png

765 ms

ldr_gps.png

ldr_gps.png

759 ms

sailsimulator.png

sailsimulator.png

759 ms

fakturama.png

fakturama.png

776 ms

sebulli_icon.png

sebulli_icon.png

748 ms

ps.png

ps.png

745 ms

Testbild.png

Testbild.png

778 ms

Logomat.png

Logomat.png

776 ms

globus.png

globus.png

774 ms

gbdev.png

gbdev.png

770 ms

nipkow.gif

nipkow.gif

747 ms

gbkurs.png

gbkurs.png

719 ms

qrss.png

qrss.png

732 ms

jukebox.png

jukebox.png

695 ms

alphatalker.png

alphatalker.png

703 ms

bouldercrash.png

bouldercrash.png

691 ms

statemachine.png

statemachine.png

710 ms

scanzil.png

scanzil.png

688 ms

smartcam.png

smartcam.png

704 ms

imprint2.png

imprint2.png

108 ms

wood.jpg

wood.jpg

327 ms

Accessibility Review

sebulli.com accessibility score

74

Accessibility Issues

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

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

sebulli.com best practices score

75

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

High

Browser errors were logged to the console

SEO Factors

sebulli.com SEO score

91

Search Engine Optimization Advices

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sebulli.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Sebulli.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

sebulli.com

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