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sci-lib.com screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

sci-lib.com

Наука, Новости науки и техники в Большой Научной Библиотеке (БНБ)

Page Load Speed

2.7 sec in total

First Response

313 ms

Resources Loaded

2.1 sec

Page Rendered

313 ms

sci-lib.com screenshot

About Website

Click here to check amazing Sci Lib content for Russia. Otherwise, check out these important facts you probably never knew about sci-lib.com

Последние новости науки и техники от ведущих ученых с мировым именем в большой научной библиотеке

Visit sci-lib.com

Key Findings

We analyzed Sci-lib.com page load time and found that the first response time was 313 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

sci-lib.com performance score

0

Network Requests Diagram

sci-lib.com

313 ms

tabcontent.css

137 ms

tabcontent.js

263 ms

news.css

278 ms

m_2227_1.jpg

416 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 18% of them (7 requests) were addressed to the original Sci-lib.com, 60% (24 requests) were made to Img.sci-lib.com and 10% (4 requests) were made to Acint.net. The less responsive or slowest element that took the longest time to load (807 ms) relates to the external source Img.sci-lib.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 100.8 kB (33%)

Content Size

302.8 kB

After Optimization

202.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sci-lib.com main page is 302.8 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. 25% of websites need less resources to load. Images take 202.5 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 49.4 kB

  • Original 61.5 kB
  • After minification 59.7 kB
  • After compression 12.2 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 49.4 kB or 80% of the original size.

Image Optimization

-10%

Potential reduce by 20.6 kB

  • Original 202.5 kB
  • After minification 181.9 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. Sci Lib images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 16.6 kB

  • Original 22.9 kB
  • After minification 18.3 kB
  • After compression 6.3 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 16.6 kB or 72% of the original size.

CSS Optimization

-89%

Potential reduce by 14.2 kB

  • Original 15.9 kB
  • After minification 12.9 kB
  • After compression 1.7 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. Sci-lib.com needs all CSS files to be minified and compressed as it can save up to 14.2 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (14%)

Requests Now

37

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sci Lib. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

sci-lib.com

sci-lib.com

313 ms

tabcontent.css

tabcontent.css

137 ms

tabcontent.js

tabcontent.js

263 ms

news.css

news.css

278 ms

m_2227_1.jpg

m_2227_1.jpg

416 ms

dot.png

dot.png

137 ms

s_2226_1.jpg

s_2226_1.jpg

284 ms

s_2225_1.jpg

s_2225_1.jpg

286 ms

s_2224_1.jpg

s_2224_1.jpg

288 ms

m_2229_1.jpg

m_2229_1.jpg

423 ms

s_2228_1.jpg

s_2228_1.jpg

291 ms

s_2227_1.jpg

s_2227_1.jpg

414 ms

m_1336_1.JPG

m_1336_1.JPG

417 ms

s_390_1.png

s_390_1.png

420 ms

s_299_1.png

s_299_1.png

428 ms

s_158_1.jpg

s_158_1.jpg

540 ms

m_2220_1.png

m_2220_1.png

545 ms

s_2219_1.jpg

s_2219_1.jpg

548 ms

s_2216_1.jpg

s_2216_1.jpg

553 ms

s_2215_1.jpg

s_2215_1.jpg

556 ms

m_2139_1.jpg

m_2139_1.jpg

698 ms

s_1619_1.jpg

s_1619_1.jpg

669 ms

s_1610_1.jpg

s_1610_1.jpg

675 ms

s_1493_1.jpg

s_1493_1.jpg

678 ms

m_2179_1.jpg

m_2179_1.jpg

685 ms

s_2151_1.png

s_2151_1.png

688 ms

s_1950_1.JPG

s_1950_1.JPG

799 ms

s_1949_1.jpg

s_1949_1.jpg

807 ms

top100.cnt

top100.cnt

386 ms

shadeactive.gif

shadeactive.gif

133 ms

shade.gif

shade.gif

140 ms

aci.js

aci.js

198 ms

export.php

export.php

282 ms

hit

hit

388 ms

96 ms

189 ms

1_g.jpg

1_g.jpg

613 ms

386 ms

match

match

198 ms

counter2

counter2

156 ms

SEO Factors

sci-lib.com SEO score

0

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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

sci-lib.com

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