2.3 sec in total
304 ms
1.8 sec
187 ms
Click here to check amazing Science Explorer content for Germany. Otherwise, check out these important facts you probably never knew about science-explorer.de
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Visit science-explorer.deWe analyzed Science-explorer.de page load time and found that the first response time was 304 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
science-explorer.de performance score
name
value
score
weighting
Value2.8 s
57/100
10%
Value2.8 s
84/100
25%
Value3.9 s
83/100
10%
Value1,250 ms
19/100
30%
Value0.219
57/100
15%
Value5.0 s
77/100
10%
304 ms
389 ms
199 ms
208 ms
93 ms
Our browser made a total of 44 requests to load all elements on the main page. We found that 61% of them (27 requests) were addressed to the original Science-explorer.de, 14% (6 requests) were made to Get.mirando.de and 7% (3 requests) were made to Webstats.motigo.com. The less responsive or slowest element that took the longest time to load (749 ms) belongs to the original domain Science-explorer.de.
Page size can be reduced by 105.1 kB (37%)
282.3 kB
177.2 kB
In fact, the total size of Science-explorer.de main page is 282.3 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. 15% of websites need less resources to load. Images take 164.2 kB which makes up the majority of the site volume.
Potential reduce by 53.0 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 53.0 kB or 67% of the original size.
Potential reduce by 28.1 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. Obviously, Science Explorer needs image optimization as it can save up to 28.1 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 20.3 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 20.3 kB or 67% of the original size.
Potential reduce by 3.7 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. Science-explorer.de needs all CSS files to be minified and compressed as it can save up to 3.7 kB or 40% of the original size.
Number of requests can be reduced by 16 (37%)
43
27
The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Science Explorer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.
science-explorer.de
304 ms
uhr.js
389 ms
n80x15.gif
199 ms
c.js
208 ms
sci-expl_bg.gif
93 ms
scieexpl_maintitel.gif
192 ms
but_praehis.JPG
218 ms
but_ufo.JPG
199 ms
but_philadelphia-exp.JPG
216 ms
but_tunguska.JPG
218 ms
but_berichte.JPG
200 ms
but_eso.JPG
281 ms
but_astro.JPG
286 ms
but_raumfahrt.JPG
296 ms
but_bilder.JPG
293 ms
sci-expl_mainlogo.JPG
749 ms
but_vorwort.JPG
294 ms
but_impr.JPG
370 ms
but_links.JPG
375 ms
but_forum.JPG
385 ms
but_gaeste.JPG
384 ms
but_sitemap.JPG
385 ms
but_awards.JPG
467 ms
but_webringe.JPG
463 ms
but_email.JPG
473 ms
scieexpl_undertitel.gif
483 ms
facebook_icon.gif
481 ms
twitter_icon.gif
553 ms
werkenntwen.JPG
562 ms
e-mail.jpg
569 ms
getCounterContent
306 ms
t.js
312 ms
webstats_counter.css
195 ms
mirando.js
296 ms
jslib.js
304 ms
417 ms
ftg_t.min.js
192 ms
ajs.php
28 ms
mir_band-slidein.gif
101 ms
mir_band-bg.png
97 ms
lg.php
21 ms
243 ms
103 ms
match.aspx
19 ms
science-explorer.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
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
science-explorer.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Issues were logged in the Issues panel in Chrome Devtools
science-explorer.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
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 doesn't use legible font sizes
EN
N/A
WINDOWS-1252
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Science-explorer.de can be misinterpreted by Google and other search engines. Our service has detected that English 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 Science-explorer.de main page’s claimed encoding is windows-1252. 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.
science-explorer.de
Open Graph description is not detected on the main page of Science Explorer. 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: