4.8 sec in total
509 ms
3.3 sec
943 ms
Welcome to rosastronomy.ru homepage info - get ready to check Rosastronomy best content right away, or after learning these important things about rosastronomy.ru
Назовите Звезду в космосе именем любимого человека — Официально через Институт Астрономии «НИИ РАН». Выбранное Вами Имя звезды будет использоваться учеными и СМИ, оно на века войдет в историю цивилиза...
Visit rosastronomy.ruWe analyzed Rosastronomy.ru page load time and found that the first response time was 509 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
rosastronomy.ru performance score
name
value
score
weighting
Value3.1 s
47/100
10%
Value8.0 s
2/100
25%
Value7.1 s
32/100
10%
Value540 ms
54/100
30%
Value0.052
99/100
15%
Value8.4 s
38/100
10%
509 ms
974 ms
348 ms
343 ms
96 ms
Our browser made a total of 55 requests to load all elements on the main page. We found that 98% of them (54 requests) were addressed to the original Rosastronomy.ru, 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (974 ms) belongs to the original domain Rosastronomy.ru.
Page size can be reduced by 265.0 kB (85%)
310.4 kB
45.4 kB
In fact, the total size of Rosastronomy.ru main page is 310.4 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. HTML takes 210.0 kB which makes up the majority of the site volume.
Potential reduce by 168.4 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 41.7 kB, which is 20% 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 168.4 kB or 80% of the original size.
Potential reduce by 96.6 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. Rosastronomy.ru needs all CSS files to be minified and compressed as it can save up to 96.6 kB or 96% of the original size.
Number of requests can be reduced by 6 (22%)
27
21
The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rosastronomy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
rosastronomy.ru
509 ms
rosastronomy.ru
974 ms
_bundle.min.css
348 ms
custom.css
343 ms
js
96 ms
bundle.js
701 ms
jquery.lazy.min.js
358 ms
highlight.pack.min.js
691 ms
angular.mask.min.js
358 ms
framework.js
385 ms
handlers.js
358 ms
preloader.svg
172 ms
logo_rosastronomy2.svg
186 ms
top-stars1.webp
183 ms
main-star.webp
213 ms
top-stars2.webp
285 ms
top-stars3.webp
296 ms
top-stars4.webp
302 ms
bitrix.webp
328 ms
%7B[%7Bcart.data.stars.data.IMG%7D]%7D
600 ms
basket-delete.svg
409 ms
check.svg
418 ms
%7B[%7Bdoc.data.PICTURE%7D]%7D
698 ms
%7B[%7Bcart.data.dostavka.data.IMG%7D]%7D
782 ms
female_star_black.svg
521 ms
main1-1_1.webp
463 ms
reason2_1.webp
461 ms
reason3_1.webp
564 ms
reason1_1.webp
574 ms
reason4_1.webp
578 ms
reason5_1.webp
640 ms
reason6_1.webp
676 ms
icomoon.ttf
686 ms
preloader.svg
595 ms
top-stars1.webp
632 ms
logo_rosastronomy2.svg
640 ms
main-star.webp
650 ms
top-stars2.webp
588 ms
top-stars3.webp
587 ms
top-stars4.webp
595 ms
bitrix.webp
603 ms
basket-delete.svg
530 ms
check.svg
558 ms
female_star_black.svg
464 ms
reason2_1.webp
582 ms
main1-1_1.webp
700 ms
810 ms
reason3_1.webp
528 ms
reason1_1.webp
443 ms
reason4_1.webp
450 ms
747 ms
reason5_1.webp
501 ms
reason6_1.webp
482 ms
icomoon.ttf
517 ms
760 ms
rosastronomy.ru 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
Buttons do not have an accessible name
Links do not have a discernible 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.
rosastronomy.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
rosastronomy.ru 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
RU
RU
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rosastronomy.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 Rosastronomy.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.
rosastronomy.ru
Open Graph data is detected on the main page of Rosastronomy. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: