Tools & Wizards About Us
janzenshop.de screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

janzenshop.de

Интернет магазин русских книг – купить в Германии и Европе – janzenshop - Janzenshop.de

Page Load Speed

3.7 sec in total

First Response

232 ms

Resources Loaded

3.3 sec

Page Rendered

249 ms

janzenshop.de screenshot

About Website

Welcome to janzenshop.de homepage info - get ready to check Janzenshop best content for Russia right away, or after learning these important things about janzenshop.de

Русские книги в Германии – купить в интернет-магазине janzen. Скидки на книги до 60%. Заказать по низкой цене по телефону: 09632 7999000

Visit janzenshop.de

Key Findings

We analyzed Janzenshop.de page load time and found that the first response time was 232 ms and then it took 3.5 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

janzenshop.de performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

18/100

25%

SI (Speed Index)

Value9.3 s

12/100

10%

TBT (Total Blocking Time)

Value1,080 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value0.222

56/100

15%

TTI (Time to Interactive)

Value14.7 s

8/100

10%

Network Requests Diagram

janzenshop.de

232 ms

413 ms

v_279_ca032d183570036c932814bc01a7c0e2_all.css

509 ms

slider.css

305 ms

logo-janzen.svg

308 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 83% of them (24 requests) were addressed to the original Janzenshop.de, 7% (2 requests) were made to Code-ya.jivosite.com and 3% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Janzenshop.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 561.4 kB (51%)

Content Size

1.1 MB

After Optimization

530.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Janzenshop.de main page is 1.1 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. 35% of websites need less resources to load. HTML takes 399.7 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 336.6 kB

  • Original 399.7 kB
  • After minification 339.4 kB
  • After compression 63.1 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 60.3 kB, which is 15% 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 336.6 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 382.0 kB
  • After minification 382.0 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. Janzenshop images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 1.1 kB

  • Original 39.2 kB
  • After minification 39.2 kB
  • After compression 38.1 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

-83%

Potential reduce by 223.7 kB

  • Original 270.4 kB
  • After minification 266.7 kB
  • After compression 46.7 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. Janzenshop.de needs all CSS files to be minified and compressed as it can save up to 223.7 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (20%)

Requests Now

25

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Janzenshop. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

janzenshop.de

janzenshop.de

232 ms

413 ms

v_279_ca032d183570036c932814bc01a7c0e2_all.css

v_279_ca032d183570036c932814bc01a7c0e2_all.css

509 ms

slider.css

slider.css

305 ms

logo-janzen.svg

logo-janzen.svg

308 ms

pp.svg

pp.svg

309 ms

a97767d2c9f174d75cfcf7559f93e0c05977b846_skidki-18.png

a97767d2c9f174d75cfcf7559f93e0c05977b846_skidki-18.png

677 ms

v_204_5165fd6ff9fb53bfdd8eaf790a6e0d65.js

v_204_5165fd6ff9fb53bfdd8eaf790a6e0d65.js

1309 ms

js

js

71 ms

slider.js

slider.js

285 ms

f6ef21166710cd8d05ccea56b2b557bc.js

f6ef21166710cd8d05ccea56b2b557bc.js

556 ms

hBepedjgqz

hBepedjgqz

233 ms

poroki-i-bolezni-kopyt-problemy-kovki.jpg

poroki-i-bolezni-kopyt-problemy-kovki.jpg

289 ms

707ae4da4eef8d5466817f5f1cbd143b2a3caf2d_janzenshop.png

707ae4da4eef8d5466817f5f1cbd143b2a3caf2d_janzenshop.png

554 ms

shato.jpg

shato.jpg

555 ms

novye-rajskie-kushhi.jpg

novye-rajskie-kushhi.jpg

556 ms

poslednij-scenarij.jpg

poslednij-scenarij.jpg

555 ms

missiya-v-ad.jpg

missiya-v-ad.jpg

556 ms

kitajskoe-iskusstvo-celitelstva-proverennye-vremenem-metodiki-lecheniya-prirodnymi-sredstvami.jpg

kitajskoe-iskusstvo-celitelstva-proverennye-vremenem-metodiki-lecheniya-prirodnymi-sredstvami.jpg

586 ms

shepotki-dlya-kazhdoj-veshhi-drevnyaya-sila-kotoraya-zashhitit-i-pomozhet.jpg

shepotki-dlya-kazhdoj-veshhi-drevnyaya-sila-kotoraya-zashhitit-i-pomozhet.jpg

587 ms

vosem-mstitelnykh-bogov.jpg

vosem-mstitelnykh-bogov.jpg

592 ms

zver.jpg

zver.jpg

592 ms

topi.jpg

topi.jpg

594 ms

kogda-poyut-derevya.jpg

kogda-poyut-derevya.jpg

686 ms

vopreki-i-navsegda-mest-krasnogo-drakona.jpg

vopreki-i-navsegda-mest-krasnogo-drakona.jpg

687 ms

footer-bg.png

footer-bg.png

223 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

241 ms

hBepedjgqz

hBepedjgqz

578 ms

pop_up_script_ps_tag_live.js

pop_up_script_ps_tag_live.js

493 ms

Accessibility Review

janzenshop.de accessibility score

70

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

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

janzenshop.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

janzenshop.de SEO score

83

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

    RU

  • Language Claimed

    RU

  • Encoding

    UTF-8

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

janzenshop.de

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