4.4 sec in total
322 ms
3.6 sec
474 ms
Welcome to cobula.de homepage info - get ready to check Co Bu La best content right away, or after learning these important things about cobula.de
CoBula Conny´s Buchladen
Visit cobula.deWe analyzed Cobula.de page load time and found that the first response time was 322 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
cobula.de performance score
name
value
score
weighting
Value3.0 s
50/100
10%
Value6.6 s
8/100
25%
Value6.6 s
38/100
10%
Value1,200 ms
20/100
30%
Value0.2
62/100
15%
Value14.0 s
10/100
10%
322 ms
583 ms
335 ms
22 ms
5 ms
Our browser made a total of 95 requests to load all elements on the main page. We found that 89% of them (85 requests) were addressed to the original Cobula.de, 2% (2 requests) were made to Code.jquery.com and 2% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Cobula.de.
Page size can be reduced by 327.9 kB (21%)
1.6 MB
1.3 MB
In fact, the total size of Cobula.de main page is 1.6 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. 60% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.
Potential reduce by 58.6 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 7.3 kB, which is 11% 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 58.6 kB or 85% of the original size.
Potential reduce by 129.3 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. Co Bu La images are well optimized though.
Potential reduce by 140.1 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 140.1 kB or 62% of the original size.
Number of requests can be reduced by 5 (6%)
90
85
The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Co Bu La. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.
cobula.de
322 ms
www.cobula.de
583 ms
sandstone.css&4.02
335 ms
jquery-1.11.3.min.js
22 ms
jquery-ui.min.js
5 ms
api.js
45 ms
jtl3.js&4.02
448 ms
css
26 ms
recaptcha__en.js
57 ms
Logo_CoBuLa.png
216 ms
Autoren.jpg
240 ms
keinBild.gif
241 ms
Autoren-Name-Buchstabe-G.jpg
240 ms
Autoren-Name-Buchstabe-H-J.jpg
239 ms
Autoren-Name-Buchstabe-K.jpg
242 ms
Autoren-Name-Buchstabe-L.jpg
318 ms
Autoren-Name-Buchstabe-M-O.jpg
325 ms
Autoren-Name-Buchstabe-V-Z.jpg
324 ms
Buecher.jpg
323 ms
Bastelbuecher.jpg
319 ms
Buecher-vor-1950.jpg
336 ms
Comic.jpg
421 ms
Humor.jpg
433 ms
Kinder-Jugend.jpg
429 ms
Kindergarten.jpg
425 ms
Kochen-Backen-Getraenke.jpg
427 ms
Maerchen-Sagen-Fabeln.jpg
438 ms
Ostern-Weihnachten.jpg
523 ms
Sachbuecher.jpg
526 ms
Taschenbuecher-Hardcover.jpg
528 ms
Tierbuecher.jpg
528 ms
Buerobedarf.jpg
528 ms
Kugelschreiber.jpg
541 ms
DDR-Schaetze-und-Ostalgie.jpg
626 ms
DDR-ABC-Ich-kann-lesen-Reihe.jpg
629 ms
DDR-Alex-Taschenbuch.jpg
632 ms
DDR-Bilderbuch.jpg
632 ms
DDR-Bummihefte.jpg
633 ms
DDR-Comics.jpg
644 ms
DDR-Die-Bunte-Kiste.jpg
729 ms
DDR-Epperbuch.jpg
731 ms
DDR-Heft.jpg
731 ms
DDR-Humor.jpg
733 ms
DDR-Jugend-Sachbuch-DDR-Lexikon.jpg
733 ms
datalogo200x200.png
467 ms
RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf
31 ms
zN7GBFwfMP4uA6AR0HCoLQ.ttf
31 ms
ga.js
52 ms
fontawesome-webfont.woff
647 ms
__utm.gif
13 ms
DDR-Jugendbuch.jpg
599 ms
DDR-Kinderbuch.jpg
602 ms
DDR-Kochbuch.jpg
600 ms
DDR-Lesezeichen.jpg
603 ms
DDR-Musikbuch.jpg
602 ms
DDR-Maerchenbuch.jpg
696 ms
DDR-Pappbilderbuch.jpg
625 ms
DDR-Pflanzenbuch.jpg
622 ms
DDR-Pop-up-Buch.jpg
623 ms
DDR-Sagenbuch.jpg
623 ms
DDR-Schulbuecher.jpg
633 ms
DDR-Science-Fiction_1.jpg
705 ms
DDR-Spielzeug.jpg
623 ms
DDR-Stammbuchbilder-Poesiealbum.jpg
618 ms
DDR-Tierbuch.jpg
619 ms
DDR-Trompeterbuch.jpg
615 ms
DDR-Tupofix-Bilder.jpg
627 ms
Schallplatten.jpg
707 ms
Buecher-mit-Schallplatten.jpg
625 ms
Spielzeug.jpg
623 ms
Plueschtiere.jpg
624 ms
Puzzle.jpg
623 ms
Wundertueten.jpg
636 ms
Verlage.jpg
709 ms
Altberliner-Verlag_1.jpg
626 ms
Arena-Verlag_1.jpg
728 ms
Aufbau-Verlag_1.jpg
622 ms
blanvalet_1.jpg
624 ms
Der-Kinderbuchverlag-Berlin_1.jpg
634 ms
Edition-Troetsch_1.jpg
711 ms
Edition-XXL_1.jpg
630 ms
Insel-Verlag_1.jpg
630 ms
Leiv-Verlag_1.jpg
630 ms
Verlag-fuer-die-Frau_1.jpg
638 ms
Verlag-Junge-Welt_1.jpg
727 ms
Verlag-Neues-Leben_1.jpg
627 ms
Volk-und-Wissen-Volkseigener-Verlag-Berlin_1.jpg
628 ms
loading.gif
628 ms
seite_09_buecherladen-9916.jpg
1350 ms
waldspaziergang.jpg
635 ms
epper-apfelmus-mit-und-ohne-zucker-reprint.jpg
696 ms
das-epperbuch-nr-3-mit-und-ohne-zucker.jpg
628 ms
preview.png
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background_feld.jpg
834 ms
loader.gif
108 ms
cobula.de accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
[role]s are not contained by their required parent element
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
Buttons do not have an accessible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
cobula.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
cobula.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 Cobula.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 Cobula.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.
cobula.de
Open Graph description is not detected on the main page of Co Bu La. 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: