Access planetarium.ru. Планетарий - магазин оптических приборов. Розничный магазин и доставка.

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

50/100

25%

SI (Speed Index)

Value5.2 s

60/100

10%

TBT (Total Blocking Time)

Value290 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0.202

61/100

15%

TTI (Time to Interactive)

Value6.7 s

56/100

10%

planetarium.ru

599 ms

niftycube.js

69 ms

overridestyles.css

145 ms

head.js

144 ms

main.css

147 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 91% of them (67 requests) were addressed to the original Planetarium.ru, 5% (4 requests) were made to Mc.yandex.ru and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (599 ms) belongs to the original domain Planetarium.ru.

Content Size

582.0 kB

After Optimization

401.0 kB

In fact, the total size of Planetarium.ru main page is 582.0 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. 35% of websites need less resources to load. Images take 327.6 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 43.6 kB

Original 53.9 kB
After minification 52.2 kB
After compression 10.4 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 43.6 kB or 81% of the original size.

Image Optimization

-11%

Potential reduce by 35.9 kB

Original 327.6 kB
After minification 291.7 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. Obviously, Planetarium needs image optimization as it can save up to 35.9 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-44%

Potential reduce by 73.9 kB

Original 166.4 kB
After minification 151.5 kB
After compression 92.5 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 73.9 kB or 44% of the original size.

CSS Optimization

-81%

Potential reduce by 27.7 kB

Original 34.1 kB
After minification 26.9 kB
After compression 6.4 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. Planetarium.ru needs all CSS files to be minified and compressed as it can save up to 27.7 kB or 81% of the original size.

Requests Now

After Optimization

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Planetarium. 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 from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Planetarium.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 Planetarium.ru 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

planetarium.ru

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Планетарий - магазин оптических приборов. Розничный магазин и доставка.

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

planetarium.ru

niftycube.js

overridestyles.css

head.js

main.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

planetarium.ru

niftycube.js

overridestyles.css

head.js

main.css

general.css

functions.js

behavior.js

widget_checkout.js

frame.js

watch_visor.js

ga.js

watch_visor.js

__utm.gif

pht_logo.gif

tel.png

map.png

pht_li.gif

pht_menubg.gif

pht_basketbg.gif

pht_scard.gif

pht_li_splitter.gif

pht_headbullet_l.gif

pht_li_tree.gif

apl_bullet_tree.gif

pht_headbullet.gif

icon_vk.png

icon_facebook.png

icon_google.png

icon_mail.png

pht_promobg.jpg

pht_h_tt.gif

pht_h_tl.gif

pht_h_tr.gif

celestron_firstscope76_thm.jpg

meade-infinity-60mm-az_thm.jpg

celestron_travelscope70_thm.jpg

SkyWatcher_SK707AZ2_thm.jpg

SkyWatcher_SK909AZ3_thm.jpg

am130eq_large_1_thm.jpg

SkyWatcher_BK1145AZGTZ_thm.jpg

SkyWatcher_SKP1501PEQ3_enl_thm.jpg

celestron_nexstar127slt_thm.jpg