6 sec in total
858 ms
4.8 sec
284 ms
Visit teleskopdatenbank.de now to see the best up-to-date Teleskopdatenbank content and also check out these interesting facts you probably never knew about teleskopdatenbank.de
Astronomie und Wissenschaft
Visit teleskopdatenbank.deWe analyzed Teleskopdatenbank.de page load time and found that the first response time was 858 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
teleskopdatenbank.de performance score
name
value
score
weighting
Value3.6 s
32/100
10%
Value3.7 s
57/100
25%
Value8.0 s
22/100
10%
Value8,150 ms
0/100
30%
Value0.117
85/100
15%
Value16.7 s
5/100
10%
858 ms
1922 ms
25 ms
363 ms
297 ms
Our browser made a total of 71 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Teleskopdatenbank.de, 15% (11 requests) were made to Media.sterngucker.de and 11% (8 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Sterngucker.de.
Page size can be reduced by 207.4 kB (43%)
483.7 kB
276.4 kB
In fact, the total size of Teleskopdatenbank.de main page is 483.7 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. 55% of websites need less resources to load. Javascripts take 218.6 kB which makes up the majority of the site volume.
Potential reduce by 28.7 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 28.7 kB or 77% of the original size.
Potential reduce by 16.4 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. Teleskopdatenbank images are well optimized though.
Potential reduce by 133.2 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 133.2 kB or 61% of the original size.
Potential reduce by 29.1 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. Teleskopdatenbank.de needs all CSS files to be minified and compressed as it can save up to 29.1 kB or 84% of the original size.
Number of requests can be reduced by 31 (47%)
66
35
The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Teleskopdatenbank. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
teleskopdatenbank.de
858 ms
www.sterngucker.de
1922 ms
css
25 ms
main.sg38.gz.css
363 ms
style.pack.sg7.css
297 ms
jquery.gz.js
499 ms
flowplayer.gz.js
331 ms
adsbygoogle.js
5 ms
plusone.js
184 ms
widgets.js
45 ms
ico-pfeilrechts2.gif
175 ms
astronomie-mondfinsternis-684526.kl.jpg
435 ms
bg2.sg.png
254 ms
sterngucker.logo.png
308 ms
mondphase6.png
174 ms
teleskop.jpg
174 ms
keinbild170.sg.png
223 ms
astronomie-sternhimmel-sterne-mond-planeten-584972.kl.jpg
437 ms
astronomie-meteorite-sternschnuppen-872536.kl.jpg
718 ms
stefan-h-vixen-atlux-und-gp-dx-408904.kl.jpg
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general-b-erster-versuch-die-sonne-178388.kl.jpg
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astrosmk-jupiter-grf-245214.kl.jpg
360 ms
ca-pub-3166184568741478.js
180 ms
zrt_lookup.html
188 ms
show_ads_impl.js
67 ms
header4.sg.png
245 ms
content.png
344 ms
button.gif
237 ms
KCktj43blvLkhOTolFn-MZ_RtrTXGeaL_Dia6_H9gNs.woff
126 ms
die-geheimnisvollen-bauplaene-einer-galaktischen-metropole-237244.kl.jpg
299 ms
ads
278 ms
wilde-enten-oder-offener-sternhaufen--360676.kl.jpg
243 ms
die-gewaltsame-entstehung-von-scheibengalaxien-148810.kl.jpg
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tagnacht.m.gif
120 ms
jupiter359-venus-jupiter-mars-10-2015-994444.kl.jpg
295 ms
osd.js
61 ms
like.php
205 ms
cb=gapi.loaded_0
39 ms
cb=gapi.loaded_1
67 ms
fastbutton
108 ms
4x4.gif
182 ms
postmessageRelay
55 ms
cb=gapi.loaded_0
15 ms
cb=gapi.loaded_1
14 ms
grlryt2bdKIyfMSOhzd1eA.woff
83 ms
3193398744-postmessagerelay.js
59 ms
rpc:shindig_random.js
57 ms
main.2015.2.js
733 ms
cookiechoices.js
417 ms
conversion.js
50 ms
footer.png
128 ms
ads
291 ms
qeKvIRsJabD.js
437 ms
LVx-xkvaJ0b.png
477 ms
cb=gapi.loaded_0
4 ms
suggestion_autolayout_V2_2.css
33 ms
suggestion_autolayout_V2_2.js
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layout_engine.js
44 ms
abg.js
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googlelogo_color_112x36dp.png
50 ms
18393320698307167861
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x_button_blue2.png
39 ms
piwik.js
936 ms
activeview
13 ms
23 ms
button.0308b81ff1714e446f674b5b9793f2cd.js
30 ms
59 ms
tweet_button.b9740740e0bcf9b0657c5b11bd4388da.de.html
22 ms
jot
97 ms
teleskopdatenbank.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
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
teleskopdatenbank.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
teleskopdatenbank.de SEO score
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 Teleskopdatenbank.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 Teleskopdatenbank.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.
teleskopdatenbank.de
Open Graph description is not detected on the main page of Teleskopdatenbank. 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: