2.2 sec in total
585 ms
1.4 sec
228 ms
Visit astrolab.ru now to see the best up-to-date Astrolab content for Russia and also check out these interesting facts you probably never knew about astrolab.ru
Астрономия - описание небесных и космических тел, фото космоса, астрономические статьи и книги, словарь терминов, новости, туманности, звезды, галактики
Visit astrolab.ruWe analyzed Astrolab.ru page load time and found that the first response time was 585 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
astrolab.ru performance score
name
value
score
weighting
Value1.0 s
100/100
10%
Value1.0 s
100/100
25%
Value5.3 s
58/100
10%
Value660 ms
45/100
30%
Value0.015
100/100
15%
Value20.7 s
2/100
10%
585 ms
330 ms
762 ms
431 ms
123 ms
Our browser made a total of 28 requests to load all elements on the main page. We found that 82% of them (23 requests) were addressed to the original Astrolab.ru, 7% (2 requests) were made to Astrozona.ru and 4% (1 request) were made to Acint.net. The less responsive or slowest element that took the longest time to load (762 ms) relates to the external source An.yandex.ru.
Page size can be reduced by 18.2 kB (16%)
115.8 kB
97.6 kB
In fact, the total size of Astrolab.ru main page is 115.8 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. 15% of websites need less resources to load. Images take 91.5 kB which makes up the majority of the site volume.
Potential reduce by 18.2 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 18.2 kB or 75% of the original size.
Potential reduce by 0 B
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. Astrolab images are well optimized though.
Number of requests can be reduced by 7 (30%)
23
16
The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Astrolab. 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.
astrolab.ru
585 ms
aci.js
330 ms
context.js
762 ms
685-2.jpg
431 ms
pl.jpg
123 ms
lr.gif
261 ms
line.gif
233 ms
home.gif
232 ms
izbrannoe.gif
256 ms
startovay.gif
254 ms
map.gif
254 ms
find.gif
327 ms
email.gif
328 ms
1.gif
342 ms
ls.gif
345 ms
2.gif
346 ms
8.gif
351 ms
7.gif
441 ms
fon.gif
442 ms
imgzona.cgi-i=696.jpeg
567 ms
imgzona.cgi-i=731.jpeg
690 ms
watch.js
9 ms
6.gif
450 ms
4.gif
452 ms
3.gif
539 ms
5.gif
545 ms
top.gif
559 ms
685-2.jpg
393 ms
astrolab.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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
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
astrolab.ru best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Browser errors were logged to the console
astrolab.ru SEO score
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
RU
N/A
WINDOWS-1251
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Astrolab.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian 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 Astrolab.ru main page’s claimed encoding is windows-1251. 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.
astrolab.ru
Open Graph description is not detected on the main page of Astrolab. 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: