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Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

dklab.ru

dkLab | Лаборатория Web-программистов

Page Load Speed

1.8 sec in total

First Response

359 ms

Resources Loaded

975 ms

Page Rendered

494 ms

dklab.ru screenshot

About Website

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

Лаборатория dk: AJAX-библиотека JsHttpRequest с поддержкой Prototype JS, другие библиотеки, статьи по web-программированию

Visit dklab.ru

Key Findings

We analyzed Dklab.ru page load time and found that the first response time was 359 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

dklab.ru performance score

0

Network Requests Diagram

dklab.ru

359 ms

style.css

179 ms

show_ads.js

4 ms

orphus.js

201 ms

urchin.js

26 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 45% of them (17 requests) were addressed to the original Dklab.ru, 11% (4 requests) were made to Pagead2.googlesyndication.com and 11% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (462 ms) relates to the external source Kellylab.wustl.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 92.4 kB (32%)

Content Size

284.6 kB

After Optimization

192.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dklab.ru main page is 284.6 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. 40% of websites need less resources to load. Images take 145.4 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 73.6 kB

  • Original 89.0 kB
  • After minification 84.6 kB
  • After compression 15.4 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. 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 73.6 kB or 83% of the original size.

Image Optimization

-7%

Potential reduce by 10.2 kB

  • Original 145.4 kB
  • After minification 135.2 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. DkLab images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 8.1 kB

  • Original 49.3 kB
  • After minification 48.7 kB
  • After compression 41.3 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 8.1 kB or 16% of the original size.

CSS Optimization

-61%

Potential reduce by 461 B

  • Original 760 B
  • After minification 588 B
  • After compression 299 B

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. Dklab.ru needs all CSS files to be minified and compressed as it can save up to 461 B or 61% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (60%)

Requests Now

35

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DkLab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

dklab.ru

dklab.ru

359 ms

style.css

style.css

179 ms

show_ads.js

show_ads.js

4 ms

orphus.js

orphus.js

201 ms

urchin.js

urchin.js

26 ms

hit

hit

388 ms

ca-pub-7882344363883855.js

ca-pub-7882344363883855.js

45 ms

zrt_lookup.html

zrt_lookup.html

33 ms

show_ads_impl.js

show_ads_impl.js

84 ms

dklab2003.JPG

dklab2003.JPG

462 ms

orphus.gif

orphus.gif

126 ms

dklab_logo_ru.gif

dklab_logo_ru.gif

126 ms

dklab_logo_en.gif

dklab_logo_en.gif

125 ms

gomapico.gif

gomapico.gif

196 ms

forum.gif

forum.gif

193 ms

denwer.gif

denwer.gif

195 ms

orphus.gif

orphus.gif

198 ms

nabla12.gif

nabla12.gif

199 ms

lib.gif

lib.gif

225 ms

dot.gif

dot.gif

285 ms

book_php5.jpg

book_php5.jpg

286 ms

small_p.jpg

small_p.jpg

287 ms

small_eng.jpg

small_eng.jpg

291 ms

logo

logo

368 ms

ga.js

ga.js

19 ms

prmt.gif

prmt.gif

269 ms

__utm.gif

__utm.gif

46 ms

ads

ads

279 ms

ads

ads

239 ms

osd.js

osd.js

6 ms

__utm.gif

__utm.gif

9 ms

m_js_controller.js

m_js_controller.js

34 ms

abg.js

abg.js

47 ms

favicon

favicon

59 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

32 ms

nessie_icon_tiamat_white.png

nessie_icon_tiamat_white.png

26 ms

s

s

11 ms

x_button_blue2.png

x_button_blue2.png

6 ms

SEO Factors

dklab.ru SEO score

0

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dklab.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 Dklab.ru main page’s claimed encoding is windows-1251. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

dklab.ru

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