Analyze Самые качественные ГДЗ и решебники Зубрилка

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Page load speed analysis

  • 62/100

    Normal result
  • 8

    Successful tests
  • 0

    Failed test
  • First response

    430 ms

  • Resources loaded

    3.9 sec

  • Page rendered

    2 sec

  • Total page load time

    6.3 sec

Click here to check amazing Zoobrilka content for Russia. Otherwise, check out these important facts you probably never knew about

We analyzed page load time and found that the first response time was 430 ms and then it took 5.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Page optimization

  • HTML 34.3 kB
    Images 59.3 kB
    Javascripts 964.4 kB
    CSS 42.0 kB

    In fact, the total size of main page is 1.1 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. 50% of websites need less resources to load. Javascripts take 964.4 kB which makes up the majority of the site volume.

    • Original 34.3 kB
    • After minification 16.2 kB
    • After compression 3.5 kB

    HTML optimization

    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 18.1 kB, which is 53% 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 30.8 kB or 90% of the original size.

    • Original 59.3 kB
    • After optimization 56.4 kB

    Image optimization

    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. Zoobrilka images are well optimized though.

    • Original 964.4 kB
    • After minification 941.0 kB
    • After compression 308.9 kB

    JavaScript optimization

    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 655.5 kB or 68% of the original size.

    • Original 42.0 kB
    • After minification 40.1 kB
    • After compression 10.3 kB

    CSS optimization

    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. needs all CSS files to be minified and compressed as it can save up to 31.7 kB or 75% of the original size.

Network requests diagram

  • adsbygoogle.js
  • common.css
  • adv.js
  • require.js
  • platform.js
  • ca-pub-5789504819457846.js
  • zrt_lookup.html
  • show_ads_impl.js
  • player
  • logo.png
  • search.png
  • mainPageImg.jpg
  • ads
  • osd.js
  • ads
  • star.gif
  • jquery.min.js
  • jquery-ui.min.js
  • jquery.mousewheel.min.js
  • jquery.smoothdivscroll.min.js
  • jquery.kinetic.min.js
  • playlists.js
  • flash_detect_min.js
  • jquery-ui.min.css
  • smoothDivScroll.css
  • customPlayer.css
  • adv.html
  • ads
  • widgets.js
  • build.js
  • common.js
  • a.js;p=11007202166544;cache=ABAjH0jjFFVl8HJplsINiWo8wNWi
  • ca
  • adj
  • m_js_controller.js
  • beacon
  • show_ads.js
  • jquery.js
  • seo.js
  • vkopenapi.js
  • jquery.cookie.js
  • 58033946
  • hit
  • beacon.js
  • US_b_Spr_GiftCard_SprStay2GiftCardBUSINESS16_468x60-bu.jpg
  • cap
  • pixel
  • lidar.js
  • sbhK2lTE.js
  • cTrvNaRi.html
  • pixel
  • pixel
  • j6SDDiQit5YY48GNgPpnCluJgoNCzbKlh5o6eVjReZI.js
  • watch.js
  • tcounter.js
  • hit
  • jquery.min.js
  • jquery.fitvids.min.js
  • hit
  • sd
  • analytics.js
  • japlayer
  • user
  • hit
  • watch.js
  • collect
  • hit
  • collect
  • 56fa5136d5d8ab0b04c887ec.js
  • jwplayer.js
  • 531608001
  • hit
  • player
  • w256h2561377938415185041arrowstreamlinetarget2.png
  • dispatch.fcgi
  • ca
  • get
  • get
  • external_all.html
  • external_libs.js
  • external_tracking.fcgi
  • dispatch.fcgi
  • dispatch.fcgi
  • 13071801.js
  • transp.gif
  • transp.gif
  • transp.gif
  • transp.gif
  • transp.gif
  • weborama.js
  • transp.gif
  • transp.gif
  • transp.gif
  • get
  • graphinium_match.php
  • pixel.gif
  • dn_iframe.js
  • 401736.gif
  • dn.html
  • dn.js

Our browser made a total of 106 requests to load all elements on the main page. We found that 12% of them (13 requests) were addressed to the original, 17% (18 requests) were made to and 10% (11 requests) were made to The less responsive or slowest element that took the longest time to load (568 ms) belongs to the original domain

Additional info on


The browser has sent 96 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zoobrilka. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 45 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.











Possible request optimization













Normal result

IP address

This IP address is dedicated to This is the best domain hosting practice .

Normal result

IP Trace

DNS records

Type Host Target/ip TTL Other
A 300
NS 300
NS 300

86400 Mname:
Serial: 2016092701
Refresh: 10800
Retry: 3600
Expire: 604800
Minimum-ttl: 3600
MX 300 Pri: 10

Language and encoding

Normal result


RU ru language flag


EN en language flag





Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 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 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.

HTTPS certificate

SSL Certificate has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Normal result

Visitor World Map

Country of origin for 89.4% of all visits is Russia. It’s good for that their server is also located in Russia, as that enables the majority of their visitors to benefit from a much faster page load time.

Good result

Normal result

Social Sharing Optimization

Open Graph data is detected on the main page of Zoobrilka. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

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