Tools & Wizards About Us

Report Summary

  • 66

    Performance

    Renders faster than
    79% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

nebulab.com

The eCommerce consultancy for category disruptors | Nebulab

Page Load Speed

5 sec in total

First Response

94 ms

Resources Loaded

2.4 sec

Page Rendered

2.5 sec

About Website

Click here to check amazing Nebulab content. Otherwise, check out these important facts you probably never knew about nebulab.com

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Key Findings

We analyzed Nebulab.com page load time and found that the first response time was 94 ms and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

nebulab.com performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

78/100

10%

LCP (Largest Contentful Paint)

Value2.2 s

94/100

25%

SI (Speed Index)

Value2.7 s

96/100

10%

TBT (Total Blocking Time)

Value1,100 ms

23/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

nebulab.com

94 ms

cdc2951e864a09d2.css

47 ms

fec95abf28dff384.css

82 ms

polyfills-c67a75d1b6f99dc8.js

205 ms

webpack-ee1289029f4e2f36.js

69 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 39% of them (17 requests) were addressed to the original Nebulab.com, 57% (25 requests) were made to Cdn.sanity.io and 2% (1 request) were made to Cdn.iubenda.com. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Cdn.sanity.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.9 MB (25%)

Content Size

15.6 MB

After Optimization

11.6 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Nebulab.com main page is 15.6 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. 50% of websites need less resources to load. Images take 15.4 MB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 93.7 kB

  • Original 127.6 kB
  • After minification 127.5 kB
  • After compression 33.9 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 93.7 kB or 73% of the original size.

Image Optimization

-25%

Potential reduce by 3.8 MB

  • Original 15.4 MB
  • After minification 11.6 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. Obviously, Nebulab needs image optimization as it can save up to 3.8 MB 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

-3%

Potential reduce by 29 B

  • Original 872 B
  • After minification 872 B
  • After compression 843 B

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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 19 (46%)

Requests Now

41

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nebulab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

nebulab.com accessibility score

91

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

Best Practices

nebulab.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

nebulab.com SEO score

93

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

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nebulab.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Nebulab.com 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 data is detected on the main page of Nebulab. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: