3.6 sec in total
508 ms
2.7 sec
370 ms
Click here to check amazing Ismm content. Otherwise, check out these important facts you probably never knew about ismm.ru
Астрономия.РФ общероссийский астрономический портал - Всё о звёздах, планетах, галактиках и Вселенной. Новости астрономии и космонавтики. Астрономия для учащихся в 11 классе школы.
Visit ismm.ruWe analyzed Ismm.ru page load time and found that the first response time was 508 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
ismm.ru performance score
name
value
score
weighting
Value2.9 s
51/100
10%
Value2.9 s
79/100
25%
Value5.9 s
48/100
10%
Value1,560 ms
13/100
30%
Value0
100/100
15%
Value13.1 s
12/100
10%
508 ms
849 ms
198 ms
89 ms
389 ms
Our browser made a total of 38 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Ismm.ru, 5% (2 requests) were made to Counter.rambler.ru and 5% (2 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (984 ms) relates to the external source .
Page size can be reduced by 372.2 kB (49%)
766.9 kB
394.8 kB
In fact, the total size of Ismm.ru main page is 766.9 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. 35% of websites need less resources to load. Images take 265.7 kB which makes up the majority of the site volume.
Potential reduce by 19.1 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 19.1 kB or 74% of the original size.
Potential reduce by 11.8 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. Ismm images are well optimized though.
Potential reduce by 138.5 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 138.5 kB or 60% of the original size.
Potential reduce by 202.8 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. Ismm.ru needs all CSS files to be minified and compressed as it can save up to 202.8 kB or 82% of the original size.
Number of requests can be reduced by 12 (35%)
34
22
The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ismm. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.
ismm.ru
508 ms
xn--80aqldeblhj0l.xn--p1ai
849 ms
style.css
198 ms
JlCo0msIeQw
89 ms
top100.jcn
389 ms
logo.gif
298 ms
rss_icon.gif
304 ms
pda_ico.gif
301 ms
pic_6127004816898231b6857f9d75d58c19-100x76.jpg
300 ms
inf60-126x118.jpg
311 ms
t114-126x118.jpg
317 ms
SkyWatcher_SK909AZ3-126x118.jpg
454 ms
t115-126x118.jpg
452 ms
t111-126x118.jpg
452 ms
12090_evo6_angle_Web_enl-126x118.jpg
453 ms
nexstar8-126x118.jpg
469 ms
se_2016-80x80.jpg
476 ms
AstroGazeta_2013_06-80x80.jpeg
603 ms
7BE7afKPtZM-80x80.jpg
602 ms
add_icon.gif
604 ms
pluto-100x76.gif
604 ms
www-embed-player-vflfNyN_r.css
25 ms
www-embed-player.js
45 ms
fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js
36 ms
ad_status.js
103 ms
bgs.jpg
984 ms
rss.gif
449 ms
search_str.jpg
567 ms
menux.gif
562 ms
menubg.gif
563 ms
h6.gif
570 ms
icon_arrow.gif
605 ms
zN7GBFwfMP4uA6AR0HCoLQ.ttf
79 ms
RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf
81 ms
top100.scn
126 ms
ga.js
7 ms
__utm.gif
13 ms
counter
579 ms
ismm.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.
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
Form elements do not have associated labels
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
ismm.ru best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Browser errors were logged to the console
ismm.ru SEO score
RU
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ismm.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it does not match the claimed English language. Our system also found out that Ismm.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.
ismm.ru
Open Graph description is not detected on the main page of Ismm. 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: