Tools & Wizards About Us
all-fizika.com screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

all-fizika.com

Вся ФИЗИКА. Физический энциклопедический словарь. Лекции по физике. Справочники по физике. Энциклопедии

Page Load Speed

3.3 sec in total

First Response

307 ms

Resources Loaded

2.8 sec

Page Rendered

177 ms

all-fizika.com screenshot

About Website

Visit all-fizika.com now to see the best up-to-date All Fizika content for Russia and also check out these interesting facts you probably never knew about all-fizika.com

Много информации по физике. Физический энциклопедический словарь. Энциклопедии и справочники. Курсы и лекции.

Visit all-fizika.com

Key Findings

We analyzed All-fizika.com page load time and found that the first response time was 307 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

all-fizika.com performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

83/100

10%

LCP (Largest Contentful Paint)

Value17.5 s

0/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value1,210 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0.113

86/100

15%

TTI (Time to Interactive)

Value14.8 s

8/100

10%

Network Requests Diagram

all-fizika.com

307 ms

site.css

226 ms

folder-tree-static.css

233 ms

context-menu.css

233 ms

folder-tree-static.js

227 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 73% of them (44 requests) were addressed to the original All-fizika.com, 5% (3 requests) were made to Mc.yandex.ru and 3% (2 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain All-fizika.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 190.7 kB (45%)

Content Size

427.7 kB

After Optimization

237.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of All-fizika.com main page is 427.7 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. 30% of websites need less resources to load. Javascripts take 275.7 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 63.8 kB

  • Original 77.0 kB
  • After minification 76.9 kB
  • After compression 13.2 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 63.8 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 97 B

  • Original 70.5 kB
  • After minification 70.5 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. All Fizika images are well optimized though.

JavaScript Optimization

-46%

Potential reduce by 125.8 kB

  • Original 275.7 kB
  • After minification 275.7 kB
  • After compression 149.9 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 125.8 kB or 46% of the original size.

CSS Optimization

-22%

Potential reduce by 985 B

  • Original 4.5 kB
  • After minification 4.5 kB
  • After compression 3.5 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. All-fizika.com needs all CSS files to be minified and compressed as it can save up to 985 B or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (58%)

Requests Now

57

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of All Fizika. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

all-fizika.com

all-fizika.com

307 ms

site.css

site.css

226 ms

folder-tree-static.css

folder-tree-static.css

233 ms

context-menu.css

context-menu.css

233 ms

folder-tree-static.js

folder-tree-static.js

227 ms

context-menu.js

context-menu.js

40 ms

adsbygoogle.js

adsbygoogle.js

131 ms

context.js

context.js

1014 ms

brand

brand

46 ms

plusone.js

plusone.js

51 ms

js

js

99 ms

brandjs.js

brandjs.js

21 ms

logo

logo

266 ms

tail.gif

tail.gif

231 ms

logo_desk.gif

logo_desk.gif

235 ms

login.gif

login.gif

234 ms

scientists.gif

scientists.gif

329 ms

scientists_b.gif

scientists_b.gif

230 ms

topmenu_left_act.gif

topmenu_left_act.gif

242 ms

topmenu_right_act.gif

topmenu_right_act.gif

443 ms

topmenu_left.gif

topmenu_left.gif

256 ms

topmenu_right.gif

topmenu_right.gif

455 ms

box3_bg.gif

box3_bg.gif

456 ms

box3_h3.gif

box3_h3.gif

461 ms

bullet_blue.gif

bullet_blue.gif

263 ms

logo_small.jpg

logo_small.jpg

285 ms

programs.jpg

programs.jpg

512 ms

veselaya_fizika.jpg

veselaya_fizika.jpg

551 ms

ege100.jpg

ege100.jpg

672 ms

gif_223.gif

gif_223.gif

679 ms

s_20090824130038.jpg

s_20090824130038.jpg

463 ms

s_20090702164420.jpeg

s_20090702164420.jpeg

683 ms

s_20090702170048.jpg

s_20090702170048.jpg

684 ms

branding.png

branding.png

19 ms

box3_bot.gif

box3_bot.gif

719 ms

box2_bg.gif

box2_bg.gif

755 ms

box2_h3.gif

box2_h3.gif

870 ms

box2_bot.gif

box2_bot.gif

888 ms

newstable_left_top.gif

newstable_left_top.gif

876 ms

newstable_bg_top.gif

newstable_bg_top.gif

670 ms

newstable_right_top.gif

newstable_right_top.gif

893 ms

newstable_bg_left.gif

newstable_bg_left.gif

937 ms

bullet2.gif

bullet2.gif

865 ms

newstable_bg_right.gif

newstable_bg_right.gif

1082 ms

newstable_left_bot.gif

newstable_left_bot.gif

1086 ms

newstable_bg_bot.gif

newstable_bg_bot.gif

1103 ms

newstable_right_bot.gif

newstable_right_bot.gif

903 ms

button_blue.gif

button_blue.gif

1009 ms

pluso-like.js

pluso-like.js

187 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

28 ms

tag.js

tag.js

58 ms

advert.gif

advert.gif

703 ms

1

1

379 ms

main.js

main.js

10 ms

1

1

144 ms

dhtmlgoodies_plus.gif

dhtmlgoodies_plus.gif

222 ms

dhtmlgoodies_folder.gif

dhtmlgoodies_folder.gif

230 ms

dhtmlgoodies_sheet.gif

dhtmlgoodies_sheet.gif

231 ms

sync_cookie_image_decide

sync_cookie_image_decide

139 ms

sync_cookie_image_decide

sync_cookie_image_decide

151 ms

Accessibility Review

all-fizika.com accessibility score

53

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

all-fizika.com best practices score

58

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

all-fizika.com SEO score

69

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise All-fizika.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that All-fizika.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

all-fizika.com

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