4 sec in total
426 ms
3.2 sec
350 ms
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Visit comstern.atWe analyzed Comstern.at page load time and found that the first response time was 426 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
comstern.at performance score
name
value
score
weighting
Value4.0 s
23/100
10%
Value11.1 s
0/100
25%
Value6.6 s
38/100
10%
Value550 ms
53/100
30%
Value0.075
95/100
15%
Value11.8 s
17/100
10%
426 ms
620 ms
379 ms
200 ms
537 ms
Our browser made a total of 107 requests to load all elements on the main page. We found that 98% of them (105 requests) were addressed to the original Comstern.at, 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (728 ms) belongs to the original domain Comstern.at.
Page size can be reduced by 122.2 kB (47%)
260.2 kB
137.9 kB
In fact, the total size of Comstern.at main page is 260.2 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. 25% of websites need less resources to load. Images take 122.8 kB which makes up the majority of the site volume.
Potential reduce by 49.4 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 7.9 kB, which is 13% 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 49.4 kB or 80% of the original size.
Potential reduce by 22.3 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, Comstern needs image optimization as it can save up to 22.3 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 50.4 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 50.4 kB or 67% of the original size.
Number of requests can be reduced by 13 (12%)
105
92
The browser has sent 105 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Comstern. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
comstern.at
426 ms
www.comstern.at
620 ms
comstern_at
379 ms
WebResource.axd
200 ms
js
537 ms
pixel.gif
103 ms
icnClose.png
97 ms
Notebooks.jpg
219 ms
Flachfernseher.jpg
219 ms
Digitalkameras.jpg
223 ms
Grafikkarten.jpg
224 ms
Festplatten.jpg
221 ms
Marken%20PCs.jpg
320 ms
Tablets.jpg
321 ms
HDD%20intern.jpg
340 ms
TFT-Monitore.jpg
341 ms
Laser-Drucker.jpg
342 ms
Spiegelreflex.jpg
345 ms
NAS-Speicher.jpg
408 ms
Inkjet-Drucker.jpg
417 ms
Navigation.jpg
429 ms
Projektoren.jpg
425 ms
Kopfh%C3%B6rer.jpg
426 ms
Mainboards.jpg
441 ms
Prozessoren.jpg
502 ms
PC-Geh%C3%A4use.jpg
519 ms
Arbeitsspeicher.jpg
526 ms
Tintenpatronen.jpg
526 ms
Toner.jpg
530 ms
Druckmedien.jpg
540 ms
Speicherkarten.jpg
600 ms
Netzwerkkabel.jpg
619 ms
Antivirus.jpg
630 ms
Officepakete.jpg
626 ms
USB-Speicher.jpg
634 ms
M%C3%A4use.jpg
637 ms
Tastaturen.jpg
695 ms
tmb.jpg
721 ms
tmb.jpg
728 ms
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709 ms
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650 ms
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642 ms
Jou-Jye-Computer-HDMI-HDMI-Kabel-male-male-2m.jpg
580 ms
Panasonic-Lumix-DMC-TZ61-silber.jpg
609 ms
Huawei-P8-Lite-Dual-SIM-16GB-weiss.jpg
616 ms
Carrera-Digital-132-Wireless-Speed-Controller.jpg
614 ms
EcoVacs-Robotics-Winbot-W710.jpg
620 ms
analytics.js
27 ms
Huawei-Mate-8-Dual-SIM-32GB-grau.jpg
530 ms
Panasonic-ER-GN30.jpg
572 ms
collect
17 ms
Duracell-Plus-Power-Typ-AAA-LR03-1.5V-Alkaline-20er-4-gratis-Sonderpack.jpg
592 ms
Braun-MultiMix-3-Handmixer-HM-3135-WH.jpg
596 ms
Huawei-P8-Lite-Dual-SIM-16GB-schwarz.jpg
598 ms
DJI-Phantom-3-Akku-4480mAh.jpg
599 ms
Zyliss-Alu-Trommel-Reibe-E11368-Set-silber.jpg
610 ms
DJI-Osmo-X3.jpg
579 ms
Hama-Astana-60L-schwarz.jpg
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Hama-Astana-40H-schwarz.jpg
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Corsair-HX1200i.jpg
612 ms
Hama-Fancy-Sports-80M-blau-schwarz.jpg
613 ms
Hama-Fancy-Sports-80M-rot-schwarz.jpg
580 ms
Hama-Fancy-Sports-80M-schwarz.jpg
614 ms
Hama-Canberra-90L-schwarz-blau.jpg
612 ms
Hewlett-Packard-LaserJet-Pro-M501n.jpg
613 ms
Magix-MAGIX-Music-Maker-Premium-Aktualit%C3%A4tsgarantie-D-.jpg
611 ms
Kingston-HyperX-Savage-Black-DDR4-8GB-3000MHz.jpg
623 ms
Corsair-Gaming-STRAFE-RGB-mechanische-Gaming-Tastatur-Cherry-MX-Brown-Switches-CH-Layout.jpg
577 ms
Philips-LED-Filament-B35-2W-E14-2700K-4-Pack.jpg
660 ms
Philips-LED-Filament-A60-7.5W-E27-2700K-4-Pack.jpg
660 ms
Corsair-K70-mechanische-Gaming-Tastatur-Cherry-MX-Red-Switches-CH-Layout.jpg
655 ms
Logitech-Harmony-Companion.jpg
647 ms
646 ms
icnArrow.png
584 ms
icn_pointer_grey_rx.gif
658 ms
currentPunct.gif
649 ms
head.jpg
651 ms
search.jpg
646 ms
left.jpg
653 ms
sliderTop.jpg
603 ms
sliderBg.jpg
649 ms
right.jpg
652 ms
sliderBottom.jpg
652 ms
topLeft.png
652 ms
topContentBg.png
657 ms
topBg.jpg
612 ms
topRight.png
644 ms
leftBig.jpg
652 ms
rightBig.jpg
652 ms
icnEnvelope.gif
658 ms
icnPhone.gif
652 ms
arrow.gif
620 ms
radius.png
640 ms
icnHome.png
652 ms
icnService.png
651 ms
icnContact.png
662 ms
sliderBgSel.jpg
652 ms
sliderBottomSel.jpg
625 ms
rightBigSel.jpg
634 ms
leftBigSel.jpg
651 ms
rightSel.jpg
652 ms
leftSel.jpg
667 ms
topRightSel.png
647 ms
topLeftSel.png
635 ms
topBgSel.jpg
586 ms
sliderTopSel.jpg
608 ms
comstern.at accessibility score
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
Image elements do not have [alt] attributes
Links do not have a discernible name
comstern.at 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
comstern.at SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
Document doesn't have a valid hreflang
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
N/A
N/A
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Comstern.at can be misinterpreted by Google and other search engines. Our service has detected that German 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 Comstern.at main page’s claimed encoding is . 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.
comstern.at
Open Graph description is not detected on the main page of Comstern. 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: