9.1 sec in total
404 ms
7.2 sec
1.5 sec
Click here to check amazing Spektrum content for Germany. Otherwise, check out these important facts you probably never knew about spektrum.de
Experten aus Wissenschaft und Forschung berichten über die aktuellen Erkenntnisse ihrer Fachgebiete - kompetent, authentisch und verständlich.
Visit spektrum.deWe analyzed Spektrum.de page load time and found that the first response time was 404 ms and then it took 8.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
spektrum.de performance score
name
value
score
weighting
Value4.4 s
16/100
10%
Value17.0 s
0/100
25%
Value8.3 s
19/100
10%
Value5,700 ms
0/100
30%
Value0.092
92/100
15%
Value17.7 s
4/100
10%
404 ms
1103 ms
70 ms
140 ms
275 ms
Our browser made a total of 203 requests to load all elements on the main page. We found that 57% of them (115 requests) were addressed to the original Spektrum.de, 5% (11 requests) were made to Fonts.gstatic.com and 3% (6 requests) were made to Dmp.theadex.com. The less responsive or slowest element that took the longest time to load (4.1 sec) belongs to the original domain Spektrum.de.
Page size can be reduced by 1.3 MB (32%)
3.9 MB
2.6 MB
In fact, the total size of Spektrum.de main page is 3.9 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.2 MB which makes up the majority of the site volume.
Potential reduce by 223.1 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. 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 223.1 kB or 73% of the original size.
Potential reduce by 27.0 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. Spektrum images are well optimized though.
Potential reduce by 900.0 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 900.0 kB or 71% of the original size.
Potential reduce by 101.8 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. Spektrum.de needs all CSS files to be minified and compressed as it can save up to 101.8 kB or 81% of the original size.
Number of requests can be reduced by 74 (40%)
183
109
The browser has sent 183 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Spektrum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 46 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
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spektrum.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.
spektrum.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
spektrum.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
Tap targets are not sized appropriately
DE
DE
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Spektrum.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 Spektrum.de main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
spektrum.de
Open Graph data is detected on the main page of Spektrum. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: