Tools & Wizards About Us
scienceforum.ru screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    60% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

scienceforum.ru

Студенческий научный форум

Page Load Speed

9.2 sec in total

First Response

1.6 sec

Resources Loaded

4.8 sec

Page Rendered

2.7 sec

scienceforum.ru screenshot

About Website

Visit scienceforum.ru now to see the best up-to-date Scienceforum content for Russia and also check out these interesting facts you probably never knew about scienceforum.ru

VIII Студенческий научный форум - 2016

Visit scienceforum.ru

Key Findings

We analyzed Scienceforum.ru page load time and found that the first response time was 1.6 sec and then it took 7.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

scienceforum.ru performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value9.0 s

1/100

25%

SI (Speed Index)

Value9.7 s

10/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0.071

96/100

15%

TTI (Time to Interactive)

Value9.4 s

30/100

10%

Network Requests Diagram

scienceforum.ru

1622 ms

main.js

420 ms

jshttprequest.js

423 ms

jquery-latest.min.js

1150 ms

tip.js

422 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 25% of them (16 requests) were addressed to the original Scienceforum.ru, 17% (11 requests) were made to Vk.com and 13% (8 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Scienceforum.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 606.8 kB (70%)

Content Size

865.0 kB

After Optimization

258.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Scienceforum.ru main page is 865.0 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. 60% of websites need less resources to load. Javascripts take 604.3 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 92.7 kB

  • Original 114.3 kB
  • After minification 111.8 kB
  • After compression 21.5 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 92.7 kB or 81% of the original size.

Image Optimization

-4%

Potential reduce by 3.1 kB

  • Original 84.3 kB
  • After minification 81.2 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. Scienceforum images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 460.6 kB

  • Original 604.3 kB
  • After minification 420.4 kB
  • After compression 143.8 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 460.6 kB or 76% of the original size.

CSS Optimization

-81%

Potential reduce by 50.5 kB

  • Original 62.2 kB
  • After minification 52.4 kB
  • After compression 11.7 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. Scienceforum.ru needs all CSS files to be minified and compressed as it can save up to 50.5 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 40 (71%)

Requests Now

56

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Scienceforum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

scienceforum.ru

scienceforum.ru

1622 ms

main.js

main.js

420 ms

jshttprequest.js

jshttprequest.js

423 ms

jquery-latest.min.js

jquery-latest.min.js

1150 ms

tip.js

tip.js

422 ms

jquery.zclip.js

jquery.zclip.js

468 ms

style.css

style.css

418 ms

style_block.css

style_block.css

421 ms

openapi.js

openapi.js

509 ms

loader.js

loader.js

362 ms

style_block.css

style_block.css

218 ms

loader.js

loader.js

340 ms

sersvtum03.jpg

sersvtum03.jpg

433 ms

eduherald.jpg

eduherald.jpg

439 ms

analytics.js

analytics.js

423 ms

watch.js

watch.js

4 ms

all.js

all.js

283 ms

01.gif

01.gif

264 ms

03.gif

03.gif

262 ms

Lock.ico

Lock.ico

262 ms

07.gif

07.gif

261 ms

09.gif

09.gif

446 ms

upload.gif

upload.gif

223 ms

widgets.js

widgets.js

278 ms

widget_like.php

widget_like.php

397 ms

plusone.js

plusone.js

367 ms

grstat

grstat

443 ms

api_min.js

api_min.js

776 ms

Lock.ico

Lock.ico

631 ms

419 ms

xd_arbiter.php

xd_arbiter.php

190 ms

xd_arbiter.php

xd_arbiter.php

1038 ms

button.71000885400e222c3c0eec823f8f93f0.js

button.71000885400e222c3c0eec823f8f93f0.js

453 ms

collect

collect

61 ms

loader_nav19239_3.js

loader_nav19239_3.js

204 ms

lite.css

lite.css

240 ms

lite.js

lite.js

780 ms

lang3_0.js

lang3_0.js

485 ms

widgets.css

widgets.css

486 ms

xdm.js

xdm.js

987 ms

al_like.js

al_like.js

495 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

103 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

183 ms

fastbutton

fastbutton

452 ms

postmessageRelay

postmessageRelay

397 ms

tweet_button.fd774b599f565016d763dd860cb31c79.ru.html

tweet_button.fd774b599f565016d763dd860cb31c79.ru.html

153 ms

share_button

share_button

411 ms

pJeswbKZO4XwVR0035gpgvesZW2xOQ-xsNqO47m55DA.ttf

pJeswbKZO4XwVR0035gpgvesZW2xOQ-xsNqO47m55DA.ttf

249 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

111 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

110 ms

1077434459-postmessagerelay.js

1077434459-postmessagerelay.js

225 ms

rpc:shindig_random.js

rpc:shindig_random.js

81 ms

jot

jot

305 ms

jquery.js

jquery.js

757 ms

uber-share.js

uber-share.js

397 ms

20.css

20.css

394 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

58 ms

like_widget.png

like_widget.png

174 ms

mm-rounded.png

mm-rounded.png

206 ms

preloader.gif

preloader.gif

213 ms

grstat

grstat

392 ms

d525461.gif

d525461.gif

393 ms

code.js

code.js

389 ms

Accessibility Review

scienceforum.ru accessibility score

87

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

scienceforum.ru best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

scienceforum.ru SEO score

85

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

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

High

Document uses legible font sizes

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 Scienceforum.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 Scienceforum.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

scienceforum.ru

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