2.5 sec in total
538 ms
1.9 sec
138 ms
Welcome to siv.isifedu.com homepage info - get ready to check Siv Isifedu best content for Russia right away, or after learning these important things about siv.isifedu.com
Visit siv.isifedu.comWe analyzed Siv.isifedu.com page load time and found that the first response time was 538 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
siv.isifedu.com performance score
name
value
score
weighting
Value1.6 s
95/100
10%
Value1.6 s
99/100
25%
Value2.4 s
98/100
10%
Value120 ms
97/100
30%
Value0.208
60/100
15%
Value3.7 s
90/100
10%
538 ms
798 ms
657 ms
667 ms
398 ms
Our browser made a total of 33 requests to load all elements on the main page. We found that 79% of them (26 requests) were addressed to the original Siv.isifedu.com, 12% (4 requests) were made to Support.paysto.ru and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Siv.isifedu.com.
Page size can be reduced by 338.6 kB (68%)
501.5 kB
162.9 kB
In fact, the total size of Siv.isifedu.com main page is 501.5 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. Javascripts take 288.8 kB which makes up the majority of the site volume.
Potential reduce by 9.6 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 1.5 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 9.6 kB or 72% of the original size.
Potential reduce by 2.2 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. Siv Isifedu images are well optimized though.
Potential reduce by 213.7 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 213.7 kB or 74% of the original size.
Potential reduce by 113.1 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. Siv.isifedu.com needs all CSS files to be minified and compressed as it can save up to 113.1 kB or 88% of the original size.
Number of requests can be reduced by 16 (59%)
27
11
The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Siv Isifedu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.
siv.isifedu.com
538 ms
common.css
798 ms
btn-multilang.css
657 ms
jquery-1.3.2.min.js
667 ms
jquery.swfobject.js
398 ms
common.js
557 ms
prototype.js
1006 ms
main.js
672 ms
AC_RunActiveContent.js
694 ms
builder.js
795 ms
effects.js
954 ms
AvatarHandler.ashx
179 ms
AvatarHandler.ashx
178 ms
AvatarHandler.ashx
181 ms
AvatarHandler.ashx
193 ms
top-line_bg.png
129 ms
main-sprite.png
133 ms
darr.gif
135 ms
opacity-80.png
138 ms
edu-logo.png
282 ms
edu-name.png
140 ms
header4_d2w.jpg
387 ms
menu_bg.gif
272 ms
menu-delimiter-l.gif
266 ms
about-en.png
273 ms
registration-en.png
279 ms
pay-en.png
398 ms
menu-delimiter-r.gif
402 ms
submenu_bg.png
418 ms
watch.js
2 ms
footer_bg.png
409 ms
ga.js
76 ms
__utm.gif
15 ms
siv.isifedu.com 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
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
siv.isifedu.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Issues were logged in the Issues panel in Chrome Devtools
siv.isifedu.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
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 doesn't use legible font sizes
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Siv.isifedu.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Siv.isifedu.com 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.
siv.isifedu.com
Open Graph description is not detected on the main page of Siv Isifedu. 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: