Tools & Wizards About Us
drofa.ru screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

drofa.ru

Корпорация Российский учебник (издательство Дрофа-Вентана) - официальный сайт издательства

Page Load Speed

12 sec in total

First Response

516 ms

Resources Loaded

11 sec

Page Rendered

495 ms

drofa.ru screenshot

About Website

Welcome to drofa.ru homepage info - get ready to check Drofa best content for Russia right away, or after learning these important things about drofa.ru

Добро пожаловать на официальный сайт корпорации «Российский учебник» (издательство «ДРОФА – ВЕНТАНА»): каталог издательства, методическая помощь для учителей, новости образования.

Visit drofa.ru

Key Findings

We analyzed Drofa.ru page load time and found that the first response time was 516 ms and then it took 11.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

drofa.ru performance score

0

Network Requests Diagram

drofa.ru

516 ms

drofa.ru

512 ms

rosuchebnik.ru

3407 ms

kernel_main_v1.css

267 ms

page_037d97aabed229583ba524b6bc946dae_v1.css

391 ms

Our browser made a total of 121 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Drofa.ru, 45% (55 requests) were made to Rosuchebnik.ru and 17% (20 requests) were made to Static.rosuchebnik.ru. The less responsive or slowest element that took the longest time to load (5.4 sec) relates to the external source Tracker.rosuchebnik.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 812.9 kB (22%)

Content Size

3.7 MB

After Optimization

2.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Drofa.ru main page is 3.7 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. 70% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 381.0 kB

  • Original 565.3 kB
  • After minification 519.6 kB
  • After compression 184.3 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 381.0 kB or 67% of the original size.

Image Optimization

-10%

Potential reduce by 221.8 kB

  • Original 2.1 MB
  • After minification 1.9 MB

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. Drofa images are well optimized though.

JavaScript Optimization

-20%

Potential reduce by 159.5 kB

  • Original 812.9 kB
  • After minification 810.7 kB
  • After compression 653.3 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 159.5 kB or 20% of the original size.

CSS Optimization

-34%

Potential reduce by 50.6 kB

  • Original 149.5 kB
  • After minification 149.4 kB
  • After compression 99.0 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. Drofa.ru needs all CSS files to be minified and compressed as it can save up to 50.6 kB or 34% of the original size.

Requests Breakdown

Number of requests can be reduced by 51 (45%)

Requests Now

113

After Optimization

62

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 113 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Drofa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 42 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

drofa.ru

drofa.ru

516 ms

drofa.ru

drofa.ru

512 ms

rosuchebnik.ru

rosuchebnik.ru

3407 ms

kernel_main_v1.css

kernel_main_v1.css

267 ms

page_037d97aabed229583ba524b6bc946dae_v1.css

page_037d97aabed229583ba524b6bc946dae_v1.css

391 ms

template_4b4d4ff08e724d53181365e6354ed660_v1.css

template_4b4d4ff08e724d53181365e6354ed660_v1.css

950 ms

kernel_main_v1.js

kernel_main_v1.js

727 ms

kernel_main_polyfill_promise_v1.js

kernel_main_polyfill_promise_v1.js

487 ms

loadext.min.js

loadext.min.js

488 ms

extension.min.js

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499 ms

core_db.min.js

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517 ms

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607 ms

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606 ms

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748 ms

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641 ms

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723 ms

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723 ms

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762 ms

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843 ms

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1021 ms

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842 ms

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869 ms

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886 ms

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1217 ms

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1020 ms

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1021 ms

slick.min.js

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1020 ms

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1067 ms

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1109 ms

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1109 ms

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1152 ms

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1152 ms

readmore-symbols.js

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1214 ms

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1214 ms

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1215 ms

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1266 ms

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1271 ms

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1530 ms

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86 ms

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1492 ms

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341 ms

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735 ms

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78 ms

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1233 ms

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980 ms

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458 ms

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460 ms

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471 ms

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484 ms

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485 ms

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1105 ms

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1758 ms

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719 ms

circe_light.woff

circe_light.woff

707 ms

circe_regular.woff

circe_regular.woff

868 ms

circe_bold.woff

circe_bold.woff

880 ms

bg_img.png

bg_img.png

690 ms

play.png

play.png

654 ms

analytics.js

analytics.js

35 ms

tag.js

tag.js

990 ms

tracker.js

tracker.js

5414 ms

icon-cart.png

icon-cart.png

733 ms

comment.svg

comment.svg

706 ms

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696 ms

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61 ms

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76 ms

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92 ms

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46 ms

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159 ms

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300 ms

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614 ms

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233 ms

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253 ms

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225 ms

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677 ms

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142 ms

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140 ms

SEO Factors

drofa.ru SEO score

0

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Drofa.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Drofa.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.

Social Sharing Optimization

drofa.ru

Open Graph description is not detected on the main page of Drofa. 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: