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siebenberg.com.es screenshot

Report Summary

  • 75

    Performance

    Renders faster than
    83% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

siebenberg.com.es

Official Website of Bob Siebenberg - Supertramp Drummer - Official Website - BOB SIEBENBERG - Supertramp drummer

Page Load Speed

4.9 sec in total

First Response

49 ms

Resources Loaded

4.6 sec

Page Rendered

254 ms

siebenberg.com.es screenshot

About Website

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

Official Website of Bob Siebenberg - Supertramp Drummer. Bob Siebenberg, also known as Bob C. Benberg, is an American musician, best known as a member of British progressive rock band Supertramp, play...

Visit siebenberg.com.es

Key Findings

We analyzed Siebenberg.com.es page load time and found that the first response time was 49 ms and then it took 4.9 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

siebenberg.com.es performance score

75

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

61/100

25%

SI (Speed Index)

Value5.0 s

64/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.3 s

61/100

10%

Network Requests Diagram

siebenberg.com.es

49 ms

www.siebenberg.com.es

452 ms

widgetkit-3e6d3d3e.css

316 ms

bootstrap.css

326 ms

jbcookies.css

323 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 89% of them (72 requests) were addressed to the original Siebenberg.com.es, 5% (4 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Siebenberg.com.es.

Page Optimization Overview & Recommendations

Page size can be reduced by 25.5 MB (97%)

Content Size

26.3 MB

After Optimization

779.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Siebenberg.com.es main page is 26.3 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. 30% of websites need less resources to load. HTML takes 25.6 MB which makes up the majority of the site volume.

HTML Optimization

-100%

Potential reduce by 25.5 MB

  • Original 25.6 MB
  • After minification 25.6 MB
  • After compression 79.4 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 25.5 MB or 100% of the original size.

Image Optimization

-4%

Potential reduce by 18.9 kB

  • Original 478.9 kB
  • After minification 460.1 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. Siebenberg images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 497 B

  • Original 202.8 kB
  • After minification 202.8 kB
  • After compression 202.3 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

-7%

Potential reduce by 3.0 kB

  • Original 41.0 kB
  • After minification 39.0 kB
  • After compression 38.0 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. Siebenberg.com.es has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 57 (76%)

Requests Now

75

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Siebenberg. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 28 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

siebenberg.com.es

siebenberg.com.es

49 ms

www.siebenberg.com.es

www.siebenberg.com.es

452 ms

widgetkit-3e6d3d3e.css

widgetkit-3e6d3d3e.css

316 ms

bootstrap.css

bootstrap.css

326 ms

jbcookies.css

jbcookies.css

323 ms

mootools-core.js

mootools-core.js

343 ms

core.js

core.js

332 ms

mootools-more.js

mootools-more.js

356 ms

jquery.min.js

jquery.min.js

630 ms

jquery-noconflict.js

jquery-noconflict.js

640 ms

jquery-migrate.min.js

jquery-migrate.min.js

640 ms

widgetkit-223725d8.js

widgetkit-223725d8.js

650 ms

base.css

base.css

658 ms

layout.css

layout.css

660 ms

menus.css

menus.css

943 ms

modules.css

modules.css

949 ms

tools.css

tools.css

945 ms

system.css

system.css

970 ms

custom.css

custom.css

978 ms

gradient_blue.css

gradient_blue.css

1256 ms

nobile.css

nobile.css

1256 ms

kreon.css

kreon.css

1266 ms

nobile.css

nobile.css

1293 ms

style.css

style.css

1299 ms

print.css

print.css

1290 ms

css

css

31 ms

css

css

47 ms

warp.js

warp.js

1572 ms

accordionmenu.js

accordionmenu.js

1566 ms

dropdownmenu.js

dropdownmenu.js

1581 ms

template.js

template.js

1601 ms

search.js

search.js

1608 ms

lightbox.js

lightbox.js

963 ms

mediaelement-and-player.js

mediaelement-and-player.js

1049 ms

spotlight.js

spotlight.js

1231 ms

base.css

base.css

1238 ms

layout.css

layout.css

1264 ms

menus.css

menus.css

983 ms

tools.css

tools.css

992 ms

modules.css

modules.css

1067 ms

system.css

system.css

1230 ms

system.css

system.css

1236 ms

system-all.css

system-all.css

1269 ms

custom.css

custom.css

1263 ms

print.css

print.css

958 ms

page.jpg

page.jpg

568 ms

main.svg

main.svg

568 ms

main_b.png

main_b.png

568 ms

logo.gif

logo.gif

568 ms

searchbox_magnifier.png

searchbox_magnifier.png

567 ms

facebook_32.png

facebook_32.png

567 ms

myspace_32.png

myspace_32.png

839 ms

new.png

new.png

842 ms

007-a63623f7f9.jpg

007-a63623f7f9.jpg

1130 ms

Bob_book_front_cover.jpg

Bob_book_front_cover.jpg

852 ms

Glendale%20River.jpg

Glendale%20River.jpg

849 ms

giants_large.jpg

giants_large.jpg

835 ms

shotlarge.jpg

shotlarge.jpg

1146 ms

menubar.png

menubar.png

1154 ms

menu_dropdown_level1_bg.png

menu_dropdown_level1_bg.png

1151 ms

menu_dropdown_level1_bg_active.png

menu_dropdown_level1_bg_active.png

1151 ms

menu_dropdown_level1_active.png

menu_dropdown_level1_active.png

1214 ms

house_white_24.png

house_white_24.png

1434 ms

menu_dropdown_level1.png

menu_dropdown_level1.png

1449 ms

mod_box.png

mod_box.png

1468 ms

shadow.png

shadow.png

1488 ms

nav.png

nav.png

1470 ms

article.png

article.png

1533 ms

mod_box_header.png

mod_box_header.png

1752 ms

glyphicons-halflings.png

glyphicons-halflings.png

1759 ms

totop_scroller.png

totop_scroller.png

1784 ms

m8JTjflSeaOVl1iGWa3TWrZNbg.ttf

m8JTjflSeaOVl1iGWa3TWrZNbg.ttf

579 ms

m8JQjflSeaOVl1iO4ojDd5RFRGmK3Q.ttf

m8JQjflSeaOVl1iO4ojDd5RFRGmK3Q.ttf

616 ms

analytics.js

analytics.js

532 ms

close.png

close.png

1268 ms

blank.gif

blank.gif

1306 ms

t5t9IRIUKY-TFF_LW5lnMR3v2DnvYtiWfT8bhWJGN7hH.ttf

t5t9IRIUKY-TFF_LW5lnMR3v2DnvYtiWfT8bhWJGN7hH.ttf

45 ms

t5t9IRIUKY-TFF_LW5lnMR3v2DnvPNiWfT8bhWJGN7hH.ttf

t5t9IRIUKY-TFF_LW5lnMR3v2DnvPNiWfT8bhWJGN7hH.ttf

82 ms

collect

collect

14 ms

js

js

56 ms

main.js

main.js

264 ms

Accessibility Review

siebenberg.com.es accessibility score

54

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.

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

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

siebenberg.com.es best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

siebenberg.com.es SEO score

77

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

siebenberg.com.es

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