Tools & Wizards About Us

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

app.telescope.live

Telescope Live | Global network of robotic telescopes

Page Load Speed

2 sec in total

First Response

326 ms

Resources Loaded

1.5 sec

Page Rendered

88 ms

About Website

Visit app.telescope.live now to see the best up-to-date App Telescope content for Switzerland and also check out these interesting facts you probably never knew about app.telescope.live

Access to a a global network of robotic telescope distributed across both hemispheres. Observe with wide field refractors and reflectors up to 1 m.

Visit app.telescope.live

Key Findings

We analyzed App.telescope.live page load time and found that the first response time was 326 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

app.telescope.live performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value21.4 s

0/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value3,750 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.08

94/100

15%

TTI (Time to Interactive)

Value25.7 s

0/100

10%

Network Requests Diagram

app.telescope.live

326 ms

css

28 ms

27 ms

css

65 ms

icon

66 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that 44% of them (7 requests) were addressed to the original App.telescope.live, 19% (3 requests) were made to Fonts.googleapis.com and 6% (1 request) were made to Js.stripe.com. The less responsive or slowest element that took the longest time to load (958 ms) belongs to the original domain App.telescope.live.

Page Optimization Overview & Recommendations

Page size can be reduced by 302.2 kB (26%)

Content Size

1.2 MB

After Optimization

859.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of App.telescope.live main page is 1.2 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. 20% of websites need less resources to load. Javascripts take 832.4 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 3.9 kB

  • Original 5.8 kB
  • After minification 4.5 kB
  • After compression 1.9 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. This page needs HTML code to be minified as it can gain 1.2 kB, which is 21% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 3.9 kB or 67% of the original size.

Image Optimization

-25%

Potential reduce by 38.2 kB

  • Original 150.9 kB
  • After minification 112.7 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, App Telescope needs image optimization as it can save up to 38.2 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-26%

Potential reduce by 219.6 kB

  • Original 832.4 kB
  • After minification 832.4 kB
  • After compression 612.8 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 219.6 kB or 26% of the original size.

CSS Optimization

-23%

Potential reduce by 40.5 kB

  • Original 173.1 kB
  • After minification 173.1 kB
  • After compression 132.6 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. App.telescope.live needs all CSS files to be minified and compressed as it can save up to 40.5 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (80%)

Requests Now

15

After Optimization

3

  • Images
  • JavaScript
  • CSS

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of App Telescope. 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 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

app.telescope.live accessibility score

82

Accessibility Issues

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

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

Form elements do not have associated labels

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

app.telescope.live best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

app.telescope.live SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise App.telescope.live can be misinterpreted by Google and other search engines. Our service has detected that English 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 App.telescope.live 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 App Telescope. 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: