Report Summary

  • 22

    Performance

    Renders faster than
    41% of other websites

  • 56

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

telescopes.ru

Магазин телескопов - купить телескоп в Москве с доставкой или в магазине

Page Load Speed

8 sec in total

First Response

1.1 sec

Resources Loaded

5.1 sec

Page Rendered

1.7 sec

telescopes.ru screenshot

About Website

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

Купить телескоп в профессиональном магазине телескопов Telescopes.ru. Москва, Московская область, Россия. Доставка, самовывоз.

Visit telescopes.ru

Key Findings

We analyzed Telescopes.ru page load time and found that the first response time was 1.1 sec and then it took 6.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

telescopes.ru performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value18.6 s

0/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value4,660 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value19.9 s

2/100

10%

Network Requests Diagram

telescopes.ru

1142 ms

kernel_main0.css

282 ms

page_d91f275c93aea8d0263b92498eff89c70.css

287 ms

template_b9a1c38826824357c2ae8371e0791bb60.css

334 ms

kernel_main.js

798 ms

Our browser made a total of 137 requests to load all elements on the main page. We found that 74% of them (102 requests) were addressed to the original Telescopes.ru, 9% (12 requests) were made to Vk.com and 1% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Telescopes.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (25%)

Content Size

5.1 MB

After Optimization

3.8 MB

In fact, the total size of Telescopes.ru main page is 5.1 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. 60% of websites need less resources to load. Images take 3.6 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 201.7 kB

  • Original 226.5 kB
  • After minification 212.1 kB
  • After compression 24.9 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 201.7 kB or 89% of the original size.

Image Optimization

-3%

Potential reduce by 97.3 kB

  • Original 3.6 MB
  • After minification 3.5 MB

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. Telescopes images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 749.8 kB

  • Original 1.0 MB
  • After minification 808.8 kB
  • After compression 250.9 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 749.8 kB or 75% of the original size.

CSS Optimization

-87%

Potential reduce by 215.5 kB

  • Original 248.8 kB
  • After minification 205.9 kB
  • After compression 33.3 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. Telescopes.ru needs all CSS files to be minified and compressed as it can save up to 215.5 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 39 (29%)

Requests Now

134

After Optimization

95

The browser has sent 134 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Telescopes. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

telescopes.ru accessibility score

56

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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

telescopes.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

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

telescopes.ru SEO score

97

Search Engine Optimization Advices

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

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 Telescopes.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 Telescopes.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

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