3.4 sec in total
234 ms
2.8 sec
283 ms
Welcome to jahrhundertkomet.de homepage info - get ready to check Jahrhundertkomet best content right away, or after learning these important things about jahrhundertkomet.de
Von Adaptern und optischem Zubehör bis zum Teleskop und zur kompletten Sternwartenkuppel – bei uns gibt es für jeden Astro-Anwender alles aus einer Hand.
Visit jahrhundertkomet.deWe analyzed Jahrhundertkomet.de page load time and found that the first response time was 234 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
jahrhundertkomet.de performance score
name
value
score
weighting
Value5.8 s
4/100
10%
Value9.9 s
0/100
25%
Value6.7 s
37/100
10%
Value630 ms
47/100
30%
Value0.319
36/100
15%
Value12.0 s
16/100
10%
234 ms
527 ms
27 ms
40 ms
53 ms
Our browser made a total of 131 requests to load all elements on the main page. We found that 79% of them (104 requests) were addressed to the original Jahrhundertkomet.de, 8% (10 requests) were made to Google.com and 3% (4 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (579 ms) belongs to the original domain Jahrhundertkomet.de.
Page size can be reduced by 467.7 kB (49%)
947.1 kB
479.4 kB
In fact, the total size of Jahrhundertkomet.de main page is 947.1 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. 60% of websites need less resources to load. Images take 437.7 kB which makes up the majority of the site volume.
Potential reduce by 38.9 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. This page needs HTML code to be minified as it can gain 7.0 kB, which is 15% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 38.9 kB or 81% of the original size.
Potential reduce by 125.4 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. Obviously, Jahrhundertkomet needs image optimization as it can save up to 125.4 kB or 29% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 123.0 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 123.0 kB or 48% of the original size.
Potential reduce by 180.4 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. Jahrhundertkomet.de needs all CSS files to be minified and compressed as it can save up to 180.4 kB or 87% of the original size.
Number of requests can be reduced by 49 (40%)
124
75
The browser has sent 124 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jahrhundertkomet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.
jahrhundertkomet.de
234 ms
www.jahrhundertkomet.de
527 ms
css
27 ms
css
40 ms
css
53 ms
raphaelicons.css
89 ms
main.css
180 ms
normalize.css
172 ms
1.9.0.jquery.min.js
261 ms
custom.js
172 ms
animate.css
187 ms
font-awesome.css
187 ms
min-styles.css
256 ms
jquery.cycle2.min.js
257 ms
jquery.cycle2.carousel.min.js
284 ms
jquery.cycle2.caption2.min.js
283 ms
jquery.easing.1.3.js
284 ms
jackbox-packed.min.js
432 ms
jackbox.min.css
342 ms
css
14 ms
jahrhundertkomet_logo.png
132 ms
facebook.png
133 ms
twitter.png
135 ms
bookmark.png
132 ms
rss.png
133 ms
news_190_slider_thumb.jpg
131 ms
news_186_slider_thumb.jpg
283 ms
news_185_slider_thumb.jpg
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news_184_slider_thumb.jpg
278 ms
news_183_slider_thumb.jpg
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news_182_slider_thumb.jpg
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news_181_slider_thumb.jpg
286 ms
news_180_slider_thumb.jpg
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alle-news.jpg
289 ms
kometen-produkte.jpg
396 ms
beobachten-fotografieren.jpg
289 ms
kometen-allgemein_main.jpg
419 ms
astronomie_main.jpg
420 ms
celestron-deutschland.png
396 ms
all.js
290 ms
ga.js
21 ms
light-pattern.png
415 ms
cse.js
84 ms
nav_bg.png
395 ms
nav_bg_hover.png
415 ms
spinner.gif
417 ms
matrix.png
577 ms
shadow2.png
574 ms
-g5pDUSRgvxvOl5u-a_WHw.woff
73 ms
__utm.gif
40 ms
cse.js
185 ms
maze_black_pattern.png
503 ms
raphaelicons-webfont.woff
475 ms
fontawesome-webfont.woff
501 ms
count.js
148 ms
graphics.php
334 ms
twitter.png
436 ms
facebook.png
437 ms
linkedin.png
435 ms
news_190_slider.jpg
509 ms
jsapi
101 ms
__utm.gif
21 ms
306 ms
xd_arbiter.php
351 ms
xd_arbiter.php
553 ms
default+de.css
13 ms
default.css
67 ms
default+de.I.js
16 ms
default.css
126 ms
async-ads.js
105 ms
google_custom_search_watermark.gif
93 ms
small-logo.png
173 ms
search_box_icon.png
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clear.gif
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nav_logo114.png
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normalscreen.png
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vid_total.png
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vid_progress.png
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vid_mute.png
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vid_volume.png
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preloader.gif
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fullscreen.png
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vid_pause.png
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vid_play.png
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thumbs_show.png
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thumbs_hide.png
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thumb_right.png
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thumb_left.png
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facebook_mac.png
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twitter.png
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twitter_webkit.png
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facebook.png
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twitter_mac.png
408 ms
pinterest.png
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google.png
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right_arrow.png
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thumbs_hide@2x.png
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right_arrow@2x.png
414 ms
thumb_right@2x.png
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panel_right_over@2x.png
494 ms
left_arrow@2x.png
497 ms
panel_left_over@2x.png
499 ms
normalscreen@2x.png
499 ms
info@2x.png
500 ms
panel_right@2x.png
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hover_document@2x.png
578 ms
thumbs_show@2x.png
579 ms
panel_left@2x.png
499 ms
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exit@2x.png
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hover_play@x2.png
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fullscreen@2x.png
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hover_magnify@2x.png
515 ms
pixel.png
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panel_right_over.png
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panel_right.png
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panel_left_over.png
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panel_left.png
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normalscreen.png
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ie_btn.png
520 ms
ie_ctrl.png
521 ms
left_arrow.png
511 ms
info.png
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ie_preloader.gif
517 ms
ie_bg.png
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hover_play.png
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hover_magnify.png
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hover_document.png
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fullscreen.png
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exit.png
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ping
59 ms
jahrhundertkomet.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
Image elements do not have [alt] attributes
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
jahrhundertkomet.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
jahrhundertkomet.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Page is blocked from indexing
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jahrhundertkomet.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 Jahrhundertkomet.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.
jahrhundertkomet.de
Open Graph description is not detected on the main page of Jahrhundertkomet. 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: