Access dolc.de. 萍聚社区-德国热线-德国实用信息网

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

29/100

25%

SI (Speed Index)

Value7.5 s

26/100

10%

TBT (Total Blocking Time)

Value1,600 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.118

85/100

15%

TTI (Time to Interactive)

Value13.4 s

11/100

10%

dolc.de

228 ms

www.dolc.de

606 ms

js

50 ms

style_1_common.css

119 ms

style_1_forum_index.css

216 ms

Our browser made a total of 101 requests to load all elements on the main page. We found that 93% of them (94 requests) were addressed to the original Dolc.de, 2% (2 requests) were made to Googletagmanager.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (748 ms) belongs to the original domain Dolc.de.

Content Size

574.9 kB

After Optimization

323.4 kB

In fact, the total size of Dolc.de main page is 574.9 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. 50% of websites need less resources to load. Javascripts take 263.9 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 84.7 kB

Original 108.0 kB
After minification 107.7 kB
After compression 23.3 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 84.7 kB or 78% of the original size.

Image Optimization

-5%

Potential reduce by 8.7 kB

Original 178.8 kB
After minification 170.1 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. Dolc images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 153.8 kB

Original 263.9 kB
After minification 263.9 kB
After compression 110.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 153.8 kB or 58% of the original size.

CSS Optimization

-18%

Potential reduce by 4.4 kB

Original 24.2 kB
After minification 24.2 kB
After compression 19.8 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. Dolc.de needs all CSS files to be minified and compressed as it can save up to 4.4 kB or 18% of the original size.

Requests Now

After Optimization

The browser has sent 99 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dolc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

High

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

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Image elements do not have [alt] attributes

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/).

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 Dolc.de 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 Dolc.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

dolc.de

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

Report Summary

Performance

Accessibility

Best Practices

SEO

萍聚社区-德国热线-德国实用信息网 - Powered by Discuz!

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

dolc.de

www.dolc.de

js

style_1_common.css

style_1_forum_index.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

dolc.de

www.dolc.de

js

style_1_common.css

style_1_forum_index.css

style.css

common.js

style_1_widthauto.css

forum.js

api.php

api.php

api.php

logging.js

md5.js

comiis_pcflxx.css

adsbygoogle.js

plugin.php

js

analytics.js

collect

collect

ga-audiences

bgimg.jpg

switch_width.png

logo.gif

wechat_login.png

collapsed_no.gif

common_125_icon.jpg

common_491_icon.jpeg

common_495_icon.png

common_92_icon.jpg

common_183_icon.gif

common_246_icon.gif

common_318_icon.gif

common_322_icon.gif

common_62_icon.jpg

common_295_icon.gif

common_16_icon.jpg

common_57_icon.gif

common_484_icon.gif

common_196_icon.gif

common_487_icon.gif

common_269_icon.jpg