Tools & Wizards About Us
koestritzer.cn screenshot

Report Summary

  • 0

    Performance

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

koestritzer.cn

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Page Load Speed

18.7 sec in total

First Response

6.2 sec

Resources Loaded

11.7 sec

Page Rendered

798 ms

koestritzer.cn screenshot

About Website

Visit koestritzer.cn now to see the best up-to-date Koestritzer content and also check out these interesting facts you probably never knew about koestritzer.cn

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Visit koestritzer.cn

Key Findings

We analyzed Koestritzer.cn page load time and found that the first response time was 6.2 sec and then it took 12.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

koestritzer.cn performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0

0/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value0

0/100

10%

TBT (Total Blocking Time)

Value0

0/100

30%

CLS (Cumulative Layout Shift)

Value0.027

100/100

15%

TTI (Time to Interactive)

Value0

0/100

10%

Network Requests Diagram

koestritzer.cn

6161 ms

video-js.css

522 ms

validationEngine.jquery.css

526 ms

style.css

519 ms

jquery.js

778 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 94% of them (34 requests) were addressed to the original Koestritzer.cn, 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (6.2 sec) belongs to the original domain Koestritzer.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 197.6 kB (20%)

Content Size

1.0 MB

After Optimization

807.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Koestritzer.cn main page is 1.0 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. 20% of websites need less resources to load. Images take 711.6 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 11.2 kB

  • Original 14.8 kB
  • After minification 13.9 kB
  • After compression 3.6 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 11.2 kB or 76% of the original size.

Image Optimization

-1%

Potential reduce by 6.8 kB

  • Original 711.6 kB
  • After minification 704.8 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. Koestritzer images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 121.2 kB

  • Original 202.2 kB
  • After minification 201.4 kB
  • After compression 81.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 121.2 kB or 60% of the original size.

CSS Optimization

-77%

Potential reduce by 58.3 kB

  • Original 75.9 kB
  • After minification 72.3 kB
  • After compression 17.6 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. Koestritzer.cn needs all CSS files to be minified and compressed as it can save up to 58.3 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (51%)

Requests Now

35

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Koestritzer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

koestritzer.cn

koestritzer.cn

6161 ms

video-js.css

video-js.css

522 ms

validationEngine.jquery.css

validationEngine.jquery.css

526 ms

style.css

style.css

519 ms

jquery.js

jquery.js

778 ms

plugins.js

plugins.js

531 ms

sitepress.js

sitepress.js

981 ms

jquery.fancybox.css

jquery.fancybox.css

982 ms

jquery.fancybox.pack.js

jquery.fancybox.pack.js

999 ms

main.js

main.js

1001 ms

video.js

video.js

1056 ms

importer.css

importer.css

754 ms

reset.css

reset.css

265 ms

grid.css

grid.css

497 ms

typography.css

typography.css

505 ms

font-awesome.min.css

font-awesome.min.css

509 ms

stylesheet.css

stylesheet.css

515 ms

slider.css

slider.css

517 ms

template.css

template.css

782 ms

responsive.css

responsive.css

1058 ms

analytics.js

analytics.js

117 ms

background.jpg

background.jpg

1590 ms

logo.png

logo.png

919 ms

menuseparator.png

menuseparator.png

569 ms

lettersEN.png

lettersEN.png

873 ms

slide11.png

slide11.png

2200 ms

footer-line.png

footer-line.png

568 ms

t01-2.jpg

t01-2.jpg

1695 ms

2.jpg

2.jpg

1929 ms

weibo_red.png

weibo_red.png

1440 ms

3-1.jpg

3-1.jpg

1976 ms

weibo_grey.png

weibo_grey.png

1940 ms

bx_loader.gif

bx_loader.gif

1996 ms

slide11.png

slide11.png

3054 ms

kostritzer-bg-logo.jpg

kostritzer-bg-logo.jpg

2809 ms

collect

collect

40 ms

Accessibility Review

koestritzer.cn accessibility score

45

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

<frame> or <iframe> elements do not have a title

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

koestritzer.cn best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

koestritzer.cn SEO score

100

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Koestritzer.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Koestritzer.cn 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

koestritzer.cn

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