Tools & Wizards About Us
astro-cabinet.ru screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

astro-cabinet.ru

«Кабинетъ» — материалы по истории астрономии

Page Load Speed

3.1 sec in total

First Response

155 ms

Resources Loaded

2.7 sec

Page Rendered

175 ms

astro-cabinet.ru screenshot

About Website

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

«Кабинетъ» — материалы по истории астрономии

Visit astro-cabinet.ru

Key Findings

We analyzed Astro-cabinet.ru page load time and found that the first response time was 155 ms and then it took 2.9 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

astro-cabinet.ru performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

48/100

25%

SI (Speed Index)

Value10.2 s

8/100

10%

TBT (Total Blocking Time)

Value2,030 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value19.2 s

2/100

10%

Network Requests Diagram

astro-cabinet.ru

155 ms

astro-cabinet.ru

320 ms

css.css

274 ms

jquery.min.js

408 ms

ddaccordion.js

280 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 51% of them (22 requests) were addressed to the original Astro-cabinet.ru, 12% (5 requests) were made to Google.com and 7% (3 requests) were made to W.uptolike.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Yandex.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 633.7 kB (49%)

Content Size

1.3 MB

After Optimization

666.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Astro-cabinet.ru main page is 1.3 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. 40% of websites need less resources to load. Javascripts take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 93.3 kB

  • Original 117.3 kB
  • After minification 116.9 kB
  • After compression 24.1 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 93.3 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 270 B

  • Original 121.3 kB
  • After minification 121.0 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. Astro Cabinet images are well optimized though.

JavaScript Optimization

-51%

Potential reduce by 536.1 kB

  • Original 1.0 MB
  • After minification 1.0 MB
  • After compression 512.6 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 536.1 kB or 51% of the original size.

CSS Optimization

-32%

Potential reduce by 4.1 kB

  • Original 13.0 kB
  • After minification 13.0 kB
  • After compression 8.9 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. Astro-cabinet.ru needs all CSS files to be minified and compressed as it can save up to 4.1 kB or 32% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (66%)

Requests Now

38

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Astro Cabinet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

astro-cabinet.ru

astro-cabinet.ru

155 ms

astro-cabinet.ru

astro-cabinet.ru

320 ms

css.css

css.css

274 ms

jquery.min.js

jquery.min.js

408 ms

ddaccordion.js

ddaccordion.js

280 ms

jquery.lightbox-0.5.js

jquery.lightbox-0.5.js

296 ms

jquery.lightbox-0.5.css

jquery.lightbox-0.5.css

295 ms

adsbygoogle.js

adsbygoogle.js

167 ms

email-decode.min.js

email-decode.min.js

15 ms

zp.js

zp.js

757 ms

zp.js

zp.js

776 ms

context.js

context.js

1070 ms

share.js

share.js

760 ms

menulisel.jpg

menulisel.jpg

316 ms

bodybg.jpg

bodybg.jpg

316 ms

topbodybg.jpg

topbodybg.jpg

314 ms

leftcontbg.jpg

leftcontbg.jpg

314 ms

topleft.jpg

topleft.jpg

313 ms

topR.jpg

topR.jpg

245 ms

spacer.gif

spacer.gif

532 ms

show_ads_impl.js

show_ads_impl.js

222 ms

cse.js

cse.js

38 ms

contbg.jpg

contbg.jpg

880 ms

menusep.jpg

menusep.jpg

488 ms

aci.js

aci.js

426 ms

cse_element__ru.js

cse_element__ru.js

25 ms

default+ru.css

default+ru.css

50 ms

default.css

default.css

51 ms

zrt_lookup.html

zrt_lookup.html

42 ms

ads

ads

103 ms

watch.js

watch.js

13 ms

version.js

version.js

142 ms

rightcontbg.jpg

rightcontbg.jpg

286 ms

topright.jpg

topright.jpg

241 ms

bottombg.jpg

bottombg.jpg

281 ms

masterbottom.jpg

masterbottom.jpg

455 ms

hit

hit

551 ms

watch.js

watch.js

45 ms

async-ads.js

async-ads.js

41 ms

branding.png

branding.png

35 ms

bottomright.jpg

bottomright.jpg

402 ms

clear.png

clear.png

13 ms

tag.js

tag.js

991 ms

Accessibility Review

astro-cabinet.ru accessibility score

85

Accessibility Issues

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

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

astro-cabinet.ru best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

astro-cabinet.ru 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

    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 Astro-cabinet.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 Astro-cabinet.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

astro-cabinet.ru

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