4.2 sec in total
519 ms
3.4 sec
247 ms
Click here to check amazing History content for Belarus. Otherwise, check out these important facts you probably never knew about history.by
| The State Scientific Institution «The Institute of History of the National Academy of Sciences of Belarus»
Visit history.byWe analyzed History.by page load time and found that the first response time was 519 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
history.by performance score
name
value
score
weighting
Value4.9 s
10/100
10%
Value11.4 s
0/100
25%
Value10.0 s
9/100
10%
Value120 ms
97/100
30%
Value0.099
90/100
15%
Value10.8 s
22/100
10%
519 ms
134 ms
244 ms
251 ms
264 ms
Our browser made a total of 62 requests to load all elements on the main page. We found that 85% of them (53 requests) were addressed to the original History.by, 6% (4 requests) were made to Nasb.gov.by and 3% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (954 ms) belongs to the original domain History.by.
Page size can be reduced by 67.6 kB (7%)
923.8 kB
856.2 kB
In fact, the total size of History.by main page is 923.8 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. 45% of websites need less resources to load. Images take 813.7 kB which makes up the majority of the site volume.
Potential reduce by 46.0 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 46.0 kB or 81% of the original size.
Potential reduce by 16.4 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. History images are well optimized though.
Potential reduce by 0 B
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. This website has mostly compressed JavaScripts.
Potential reduce by 5.3 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. History.by needs all CSS files to be minified and compressed as it can save up to 5.3 kB or 24% of the original size.
Number of requests can be reduced by 28 (48%)
58
30
The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of History. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
en
519 ms
normalize.css
134 ms
style.css
244 ms
prettyPhoto.css
251 ms
grid.css
264 ms
style.min.css
280 ms
styles.css
292 ms
jquery.min.js
54 ms
jquery-migrate.min.js
341 ms
modernizr.js
367 ms
superfish.js
375 ms
jquery.easing.1.3.js
390 ms
jquery.prettyPhoto.js
409 ms
jquery.nivo.slider.js
423 ms
jquery.tools.min.js
439 ms
jquery.loader.js
488 ms
swfobject.js
501 ms
jquery.cycle.all.js
521 ms
jquery.twitter.js
538 ms
jquery.flickrush.js
552 ms
audio.js
573 ms
custom.js
607 ms
scripts.js
661 ms
wp-embed.min.js
661 ms
css
53 ms
wp-emoji-release.min.js
347 ms
nauka.png
868 ms
body-bg.gif
166 ms
ENlogo1.png
124 ms
loading.gif
150 ms
News_03_03-634x457.jpg
368 ms
VOV_sait-634x457.jpg
416 ms
Itogi-634x457.jpg
431 ms
Banner-remember-all-1-634x457.jpg
485 ms
Slide_History-634x457.jpg
531 ms
arkheologia-634x457.jpg
554 ms
antropol-634x457.jpg
616 ms
arkhiv-634x457.jpg
673 ms
konkursy-634x457.jpg
557 ms
box-bg.png
605 ms
arrow2.gif
670 ms
arrow-right.gif
683 ms
ru.png
692 ms
be_BY.png
727 ms
gb.png
735 ms
president.gif
799 ms
government.gif
807 ms
brsm.png
825 ms
NAN-e1704359501870.png
833 ms
quality-year115.jpg
847 ms
rctt-e1661515926597.jpg
856 ms
den-e1704362415982.jpg
927 ms
pravo.png
934 ms
79903f7b616997d76944d56fad0f7790-e1704362332935.png
954 ms
pravo.gif
873 ms
app.gif
897 ms
profsouz.jpg
900 ms
S6uyw4BMUTPHjx4wWA.woff
95 ms
S6u9w4BMUTPHh7USSwiPHw.woff
119 ms
watch.js
2 ms
caption-bg.gif
140 ms
control-bg.png
122 ms
history.by 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
Image elements do not have [alt] attributes
Links do not have a discernible name
history.by 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
history.by SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise History.by 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 History.by 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.
history.by
Open Graph description is not detected on the main page of History. 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: