Tools & Wizards About Us
rediroma-verlag.de screenshot

Report Summary

  • 77

    Performance

    Renders faster than
    85% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

rediroma-verlag.de

Ihr eigenes Buch veröffentlichen und verlegen | Rediroma-Verlag

Page Load Speed

4.1 sec in total

First Response

520 ms

Resources Loaded

3.2 sec

Page Rendered

338 ms

rediroma-verlag.de screenshot

About Website

Click here to check amazing Rediroma Verlag content for Germany. Otherwise, check out these important facts you probably never knew about rediroma-verlag.de

Ihr eigenes Buch günstig veröffentlichen und verlegen ✔ Buchveröffentlichung für Bücher und eBooks ✔ Jetzt starten!

Visit rediroma-verlag.de

Key Findings

We analyzed Rediroma-verlag.de page load time and found that the first response time was 520 ms and then it took 3.6 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

rediroma-verlag.de performance score

77

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

41/100

25%

SI (Speed Index)

Value4.4 s

74/100

10%

TBT (Total Blocking Time)

Value140 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.066

97/100

15%

TTI (Time to Interactive)

Value3.6 s

91/100

10%

Network Requests Diagram

rediroma-verlag.de

520 ms

www.rediroma-verlag.de

983 ms

lightbox.css

218 ms

bootstrap.min.css

329 ms

bootstrap-responsive.min.css

439 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that all of those requests were addressed to Rediroma-verlag.de and no external sources were called. The less responsive or slowest element that took the longest time to load (983 ms) belongs to the original domain Rediroma-verlag.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 89.6 kB (18%)

Content Size

501.9 kB

After Optimization

412.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rediroma-verlag.de main page is 501.9 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. 40% of websites need less resources to load. Images take 308.1 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 57.6 kB

  • Original 74.1 kB
  • After minification 70.7 kB
  • After compression 16.6 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 57.6 kB or 78% of the original size.

Image Optimization

-9%

Potential reduce by 26.3 kB

  • Original 308.1 kB
  • After minification 281.8 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. Rediroma Verlag images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 1.5 kB

  • Original 76.7 kB
  • After minification 76.7 kB
  • After compression 75.2 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

-10%

Potential reduce by 4.2 kB

  • Original 43.0 kB
  • After minification 43.0 kB
  • After compression 38.7 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. Rediroma-verlag.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 38 (55%)

Requests Now

69

After Optimization

31

  • Images
  • JavaScript
  • CSS

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rediroma Verlag. 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 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

rediroma-verlag.de

rediroma-verlag.de

520 ms

www.rediroma-verlag.de

www.rediroma-verlag.de

983 ms

lightbox.css

lightbox.css

218 ms

bootstrap.min.css

bootstrap.min.css

329 ms

bootstrap-responsive.min.css

bootstrap-responsive.min.css

439 ms

bootstrap-extended.css

bootstrap-extended.css

443 ms

basics-template-mainmenu-overwrite-responsive-animate.css

basics-template-mainmenu-overwrite-responsive-animate.css

446 ms

reviews.css

reviews.css

441 ms

flexslider.css

flexslider.css

442 ms

slick.css

slick.css

445 ms

styles.css

styles.css

548 ms

redimstyle.css

redimstyle.css

549 ms

jquery.min.js

jquery.min.js

661 ms

jquery-noconflict.js

jquery-noconflict.js

549 ms

jquery-migrate.min.js

jquery-migrate.min.js

552 ms

lightbox.min.js

lightbox.min.js

551 ms

caption.js

caption.js

657 ms

bootstrap.min.js

bootstrap.min.js

659 ms

html5fallback.js

html5fallback.js

658 ms

bootstrap-collapse.js

bootstrap-collapse.js

658 ms

jquery.hoverIntent.minified.js

jquery.hoverIntent.minified.js

659 ms

functions-wow.js

functions-wow.js

768 ms

reviews.js

reviews.js

768 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

770 ms

slick.min.js

slick.min.js

773 ms

core.js

core.js

771 ms

keepalive.js

keepalive.js

775 ms

close.png

close.png

126 ms

loading.gif

loading.gif

125 ms

prev.png

prev.png

126 ms

next.png

next.png

125 ms

glyphicons-halflings-white.png

glyphicons-halflings-white.png

127 ms

warenkorb_icon.png

warenkorb_icon.png

126 ms

logo.png

logo.png

236 ms

menu_arrow_down.webp

menu_arrow_down.webp

235 ms

transpix_w.webp

transpix_w.webp

235 ms

buchhandel_01.jpg

buchhandel_01.jpg

563 ms

amazon.png

amazon.png

237 ms

thalia_logo.png

thalia_logo.png

329 ms

hugendubel_logo.png

hugendubel_logo.png

331 ms

buecher_de_logo.png

buecher_de_logo.png

438 ms

gogle_play_logo.png

gogle_play_logo.png

439 ms

books.png

books.png

330 ms

circle.webp

circle.webp

439 ms

print_calculator.png

print_calculator.png

440 ms

shelf.png

shelf.png

440 ms

lightbulb.png

lightbulb.png

547 ms

978-3-98885-321-9.webp

978-3-98885-321-9.webp

546 ms

circle_lg.webp

circle_lg.webp

548 ms

978-3-98885-359-2.webp

978-3-98885-359-2.webp

548 ms

978-3-98885-322-6.webp

978-3-98885-322-6.webp

549 ms

978-3-98885-334-9.webp

978-3-98885-334-9.webp

657 ms

978-3-98885-372-1.webp

978-3-98885-372-1.webp

655 ms

978-3-98885-347-9.webp

978-3-98885-347-9.webp

657 ms

978-3-98885-332-5.webp

978-3-98885-332-5.webp

658 ms

978-3-98885-354-7.webp

978-3-98885-354-7.webp

659 ms

978-3-98885-302-8.webp

978-3-98885-302-8.webp

670 ms

978-3-98885-299-1.webp

978-3-98885-299-1.webp

765 ms

978-3-98885-324-0.webp

978-3-98885-324-0.webp

765 ms

978-3-98885-318-9.webp

978-3-98885-318-9.webp

767 ms

logo_icon.png

logo_icon.png

768 ms

facebook.png

facebook.png

767 ms

metrophobic.woff

metrophobic.woff

715 ms

bitter.woff

bitter.woff

772 ms

bitter_700.woff

bitter_700.woff

776 ms

list_circ.webp

list_circ.webp

758 ms

blurbg_woman2.webp

blurbg_woman2.webp

757 ms

circle_w.webp

circle_w.webp

755 ms

quotes.webp

quotes.webp

802 ms

colors.png

colors.png

759 ms

little_cookie.png

little_cookie.png

758 ms

bookslider-arrows.webp

bookslider-arrows.webp

757 ms

spritesheet_star.png

spritesheet_star.png

767 ms

bookslider-arrows2.webp

bookslider-arrows2.webp

676 ms

Accessibility Review

rediroma-verlag.de accessibility score

83

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 input fields do not have accessible names

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

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.

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

rediroma-verlag.de best practices score

58

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

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

rediroma-verlag.de SEO score

91

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

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 Rediroma-verlag.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 Rediroma-verlag.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

rediroma-verlag.de

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