Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

undersky.co

undersky.co

Page Load Speed

5.9 sec in total

First Response

2.3 sec

Resources Loaded

3.4 sec

Page Rendered

205 ms

undersky.co screenshot

About Website

Click here to check amazing Undersky content for Japan. Otherwise, check out these important facts you probably never knew about undersky.co

Visit undersky.co

Key Findings

We analyzed Undersky.co page load time and found that the first response time was 2.3 sec and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

undersky.co performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value15.3 s

0/100

25%

SI (Speed Index)

Value9.5 s

12/100

10%

TBT (Total Blocking Time)

Value6,230 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.234

53/100

15%

TTI (Time to Interactive)

Value20.8 s

2/100

10%

Network Requests Diagram

undersky.co

2343 ms

application-8671f2d86ff2a9fa5932c644c900ab18.css

510 ms

application-10be41169eb486a27161845b26aca9b9.js

730 ms

1169018_1683487335255272_916326962_n.jpg

43 ms

11906108_1529704627333763_379414961_n.jpg

16 ms

Our browser made a total of 253 requests to load all elements on the main page. We found that 1% of them (3 requests) were addressed to the original Undersky.co, 99% (250 requests) were made to Scontent.cdninstagram.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Undersky.co.

Page Optimization Overview & Recommendations

Page size can be reduced by 382.2 kB (21%)

Content Size

1.8 MB

After Optimization

1.5 MB

In fact, the total size of Undersky.co main page is 1.8 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. 70% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 113.5 kB

  • Original 133.0 kB
  • After minification 120.4 kB
  • After compression 19.5 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 113.5 kB or 85% of the original size.

Image Optimization

-3%

Potential reduce by 40.3 kB

  • Original 1.4 MB
  • After minification 1.4 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. Undersky images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 115.3 kB

  • Original 168.0 kB
  • After minification 168.0 kB
  • After compression 52.7 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 115.3 kB or 69% of the original size.

CSS Optimization

-85%

Potential reduce by 113.1 kB

  • Original 133.5 kB
  • After minification 128.9 kB
  • After compression 20.4 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. Undersky.co needs all CSS files to be minified and compressed as it can save up to 113.1 kB or 85% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

252

After Optimization

252

The browser has sent 252 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Undersky. According to our analytics all requests are already optimized.

Accessibility Review

undersky.co accessibility score

84

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

undersky.co best practices score

67

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

undersky.co SEO score

82

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

Links do not have descriptive text

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

High

Tap targets are not sized appropriately

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 Undersky.co 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 Undersky.co 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 Undersky. 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: