23.6 sec in total
857 ms
21.8 sec
1 sec
Welcome to bookcoffee.ru homepage info - get ready to check Bookcoffee best content for Russia right away, or after learning these important things about bookcoffee.ru
Кафе и арт-клуб. Концерты, театр, презентации книг, детские события
Visit bookcoffee.ruWe analyzed Bookcoffee.ru page load time and found that the first response time was 857 ms and then it took 22.8 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
bookcoffee.ru performance score
name
value
score
weighting
Value3.1 s
45/100
10%
Value4.7 s
32/100
25%
Value6.9 s
34/100
10%
Value1,280 ms
18/100
30%
Value0.476
18/100
15%
Value16.4 s
5/100
10%
857 ms
312 ms
324 ms
861 ms
318 ms
Our browser made a total of 59 requests to load all elements on the main page. We found that 34% of them (20 requests) were addressed to the original Bookcoffee.ru, 22% (13 requests) were made to Vk.com and 10% (6 requests) were made to Imgs.smartresponder.ru. The less responsive or slowest element that took the longest time to load (20.3 sec) relates to the external source Mc.yandex.ru.
Page size can be reduced by 410.4 kB (65%)
635.7 kB
225.3 kB
In fact, the total size of Bookcoffee.ru main page is 635.7 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. 30% of websites need less resources to load. Javascripts take 438.5 kB which makes up the majority of the site volume.
Potential reduce by 51.8 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 51.8 kB or 83% of the original size.
Potential reduce by 4.6 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. Bookcoffee images are well optimized though.
Potential reduce by 316.4 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 316.4 kB or 72% of the original size.
Potential reduce by 37.6 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. Bookcoffee.ru needs all CSS files to be minified and compressed as it can save up to 37.6 kB or 81% of the original size.
Number of requests can be reduced by 21 (39%)
54
33
The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bookcoffee. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.
bookcoffee.ru
857 ms
10.css
312 ms
6668.css
324 ms
jquery1.4.2.min.js
861 ms
js.js
318 ms
smart-script.js
1581 ms
openapi.js
1407 ms
top100.jcn
972 ms
watch_visor.js
278 ms
clickheat.js
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watch_visor.js
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kofe-knigi-header.jpg
474 ms
rtrg
279 ms
1.gif
112 ms
tm_left.gif
121 ms
tm_center.gif
114 ms
tm_right.gif
229 ms
lm-books.gif
342 ms
lm-sounds.gif
342 ms
lm-neformat.gif
387 ms
lm-words.gif
360 ms
lm-pictures.gif
492 ms
lm-frames.gif
502 ms
pic2.jpg
641 ms
block_header_pic.gif
530 ms
left.png
136 ms
left.png
244 ms
bg.png
349 ms
right.png
352 ms
upload.gif
132 ms
widget_community.php
176 ms
top100.scn
135 ms
block_header_bg.jpg
121 ms
block_header_pic.gif
125 ms
loader_nav19239_3.js
144 ms
lite.css
147 ms
lite.js
727 ms
lang3_0.js
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widget_community.css
292 ms
xdm.js
297 ms
al_community.js
297 ms
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447 ms
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285 ms
pzniNaR_h14.jpg
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460 ms
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478 ms
camera_50.png
146 ms
w_logo.png
149 ms
sr-js-10014_21.js
340 ms
bookcoffee.ru 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.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
bookcoffee.ru 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
Browser errors were logged to the console
bookcoffee.ru 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
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
RU
RU
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bookcoffee.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Bookcoffee.ru 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.
bookcoffee.ru
Open Graph description is not detected on the main page of Bookcoffee. 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: