7 sec in total
852 ms
5.6 sec
486 ms
Click here to check amazing Co 2 Online content for Germany. Otherwise, check out these important facts you probably never knew about co2online.de
Strom, Heizen, energetische Modernisierung, Fördermittel + Infos zu Klimaschutz und Klimawandel. Wir helfen Ihnen: Unabhängig, kostenfrei, nicht-kommerziell.
Visit co2online.deWe analyzed Co2online.de page load time and found that the first response time was 852 ms and then it took 6.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
co2online.de performance score
name
value
score
weighting
Value4.8 s
12/100
10%
Value10.6 s
0/100
25%
Value11.3 s
5/100
10%
Value6,270 ms
0/100
30%
Value0.042
99/100
15%
Value14.6 s
8/100
10%
852 ms
405 ms
187 ms
38 ms
296 ms
Our browser made a total of 79 requests to load all elements on the main page. We found that 87% of them (69 requests) were addressed to the original Co2online.de, 5% (4 requests) were made to Google-analytics.com and 1% (1 request) were made to Cdn.optimizely.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Co2online.de.
Page size can be reduced by 349.9 kB (31%)
1.1 MB
795.7 kB
In fact, the total size of Co2online.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. 25% of websites need less resources to load. Images take 796.6 kB which makes up the majority of the site volume.
Potential reduce by 46.7 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 46.7 kB or 79% of the original size.
Potential reduce by 131.8 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. Obviously, Co 2 Online needs image optimization as it can save up to 131.8 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 171.5 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 171.5 kB or 59% of the original size.
Number of requests can be reduced by 6 (8%)
77
71
The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Co 2 Online. 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 as a result speed up the page load time.
www.co2online.de
852 ms
merged-c7bfb2d0fa31c3e41c42efbab4fa4a1e-ddfddd5f770c772f2b2428b2e91a5f29.css.1456215215.gzip
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4899230036.js
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jquery.min.js
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contentslider.js
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mwimagemap.js
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analytics.js
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logo.gif
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mainNavBgr.gif
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merged-e88feb599cc403ee6af7852cd5b46e4e-58ffa41391b3d567e7f06fc47c528cce.css.1450281103.gzip
117 ms
co2online.de accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
<frame> or <iframe> elements do not have a title
Form elements do not have associated labels
Links do not have a discernible name
co2online.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
co2online.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Co2online.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 Co2online.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.
co2online.de
Open Graph description is not detected on the main page of Co 2 Online. 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: