6 sec in total
757 ms
3.8 sec
1.4 sec
Click here to check amazing Doc4web content for Russia. Otherwise, check out these important facts you probably never knew about doc4web.ru
Хостинг для документов Doc4web.ru дает возможность делиться разными полезными в учебе документами онлайн всем пользователям бесплатно
Visit doc4web.ruWe analyzed Doc4web.ru page load time and found that the first response time was 757 ms and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
doc4web.ru performance score
name
value
score
weighting
Value2.9 s
52/100
10%
Value2.9 s
80/100
25%
Value9.5 s
12/100
10%
Value1,810 ms
9/100
30%
Value0.082
94/100
15%
Value12.1 s
16/100
10%
757 ms
172 ms
843 ms
358 ms
361 ms
Our browser made a total of 65 requests to load all elements on the main page. We found that 74% of them (48 requests) were addressed to the original Doc4web.ru, 6% (4 requests) were made to Cdn.onedmp.com and 6% (4 requests) were made to Psma02.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Doc4web.ru.
Page size can be reduced by 320.7 kB (25%)
1.3 MB
944.7 kB
In fact, the total size of Doc4web.ru main page is 1.3 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Images take 891.3 kB which makes up the majority of the site volume.
Potential reduce by 24.4 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 3.6 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 24.4 kB or 75% of the original size.
Potential reduce by 59.4 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. Doc4web images are well optimized though.
Potential reduce by 196.6 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 196.6 kB or 67% of the original size.
Potential reduce by 40.3 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. Doc4web.ru needs all CSS files to be minified and compressed as it can save up to 40.3 kB or 83% of the original size.
Number of requests can be reduced by 16 (26%)
62
46
The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Doc4web. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
doc4web.ru
757 ms
styles.css
172 ms
jquery.min.js
843 ms
jquery.ba-bbq.min.js
358 ms
all.js
361 ms
css
70 ms
normalize.css
360 ms
colorblocks-style.css
511 ms
form.css
359 ms
basic-style.css
509 ms
jquery.yiilistview.js
516 ms
basic.png
178 ms
search-icon.png
178 ms
bg-pattern.png
179 ms
registr.png
176 ms
colorblocks-pic1.jpg
1410 ms
colorblocks-pic2.jpg
1295 ms
colorblocks-pic3.jpg
1395 ms
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banner5.gif
1479 ms
sys.js
340 ms
ban.png
1505 ms
hit
377 ms
watch.js
8 ms
analytics.js
81 ms
collect
289 ms
basi-fot.png
1383 ms
top.png
1431 ms
131 ms
600x200
411 ms
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83 ms
i14367900696092_219.png
111 ms
600x200.html
29 ms
easeljs-0.7.1.min.js
637 ms
tweenjs-0.5.1.min.js
381 ms
movieclip-0.7.1.min.js
303 ms
preloadjs-0.4.1.min.js
430 ms
600x200.js
53 ms
aa1.png
16 ms
doc4web.ru 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
doc4web.ru 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
Browser errors were logged to the console
doc4web.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
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 uses legible font sizes
Tap targets are not sized appropriately
RU
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Doc4web.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 Doc4web.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.
doc4web.ru
Open Graph description is not detected on the main page of Doc4web. 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: