3 sec in total
433 ms
2.4 sec
206 ms
Visit femto.com.ua now to see the best up-to-date Femto content for Ukraine and also check out these interesting facts you probably never knew about femto.com.ua
Научно-справочное OnLine издание по физике.
Visit femto.com.uaWe analyzed Femto.com.ua page load time and found that the first response time was 433 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
femto.com.ua performance score
name
value
score
weighting
Value2.4 s
72/100
10%
Value5.7 s
16/100
25%
Value5.9 s
48/100
10%
Value930 ms
30/100
30%
Value0
100/100
15%
Value10.8 s
22/100
10%
433 ms
138 ms
942 ms
274 ms
8 ms
Our browser made a total of 57 requests to load all elements on the main page. We found that 37% of them (21 requests) were addressed to the original Femto.com.ua, 18% (10 requests) were made to Google.com and 9% (5 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (942 ms) belongs to the original domain Femto.com.ua.
Page size can be reduced by 41.4 kB (24%)
172.1 kB
130.7 kB
In fact, the total size of Femto.com.ua main page is 172.1 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. 50% of websites need less resources to load. Images take 79.7 kB which makes up the majority of the site volume.
Potential reduce by 16.8 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 16.8 kB or 70% of the original size.
Potential reduce by 918 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. Femto images are well optimized though.
Potential reduce by 18.8 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 18.8 kB or 30% of the original size.
Potential reduce by 4.9 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. Femto.com.ua needs all CSS files to be minified and compressed as it can save up to 4.9 kB or 76% of the original size.
Number of requests can be reduced by 32 (64%)
50
18
The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Femto. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and as a result speed up the page load time.
femto.com.ua
433 ms
style.css
138 ms
SchListProcessing.js
942 ms
toggle.js
274 ms
show_ads.js
8 ms
jsapi
18 ms
t13n
28 ms
brand
27 ms
query_renderer.js
31 ms
js
29 ms
brand
72 ms
t13n
62 ms
js
129 ms
query_renderer.js
90 ms
femtocomua_small.png
152 ms
menu_start.gif
151 ms
menu_index.gif
151 ms
menu_phys_world.gif
285 ms
pp0030.jpg
431 ms
ad_img31.jpg
281 ms
00083_small.jpg
280 ms
00082_small.jpg
278 ms
00081_small.jpg
283 ms
00080_small.jpg
429 ms
mailabs.gif
430 ms
ga.js
33 ms
ca-pub-5001158605331260.js
42 ms
zrt_lookup.html
47 ms
show_ads_impl.js
71 ms
27 ms
__utm.gif
39 ms
transliteration.css
7 ms
transliteration.I.js
9 ms
49 ms
ads
228 ms
google_custom_search_watermark.gif
109 ms
q1.gif
294 ms
q2.gif
294 ms
L1.gif
293 ms
q4.gif
428 ms
q3.gif
426 ms
L3.gif
428 ms
osd.js
31 ms
aci.js
224 ms
inputtools.js
40 ms
hit
552 ms
8285636830827455167
34 ms
abg.js
35 ms
m_js_controller.js
44 ms
googlelogo_color_112x36dp.png
82 ms
115 ms
186 ms
s
28 ms
x_button_blue2.png
28 ms
E4WYPs_lNJIuXrWpTsOcc3FIG36RfI0ERc0srw5QW9Y.js
3 ms
261 ms
match
193 ms
femto.com.ua accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
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
Image elements do not have [alt] attributes
Form elements do not have associated labels
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
femto.com.ua 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
femto.com.ua 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
RU
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Femto.com.ua 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 Femto.com.ua 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.
femto.com.ua
Open Graph description is not detected on the main page of Femto. 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: