Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

Page Load Speed

4.4 sec in total

First Response

1.3 sec

Resources Loaded

2.8 sec

Page Rendered

224 ms

3mb.in screenshot

About Website

Welcome to 3mb.in homepage info - get ready to check 3MB best content right away, or after learning these important things about 3mb.in

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Key Findings

We analyzed 3mb.in page load time and found that the first response time was 1.3 sec and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

3mb.in performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

53/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value1,240 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

3mb.in

1349 ms

vibe.style.css

634 ms

bootstrap.css

511 ms

responsive.css

559 ms

plugins.css

505 ms

Our browser made a total of 110 requests to load all elements on the main page. We found that 25% of them (27 requests) were addressed to the original 3mb.in, 64% (70 requests) were made to I.ytimg.com and 3% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain 3mb.in.

Page Optimization Overview & Recommendations

Page size can be reduced by 394.2 kB (29%)

Content Size

1.4 MB

After Optimization

971.8 kB

In fact, the total size of 3mb.in main page is 1.4 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. 65% of websites need less resources to load. Images take 816.7 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 83.7 kB

  • Original 97.9 kB
  • After minification 95.0 kB
  • After compression 14.3 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 83.7 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 3.2 kB

  • Original 816.7 kB
  • After minification 813.6 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. 3MB images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 199.8 kB

  • Original 308.9 kB
  • After minification 291.4 kB
  • After compression 109.1 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 199.8 kB or 65% of the original size.

CSS Optimization

-76%

Potential reduce by 107.5 kB

  • Original 142.4 kB
  • After minification 131.4 kB
  • After compression 34.8 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. 3mb.in needs all CSS files to be minified and compressed as it can save up to 107.5 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (25%)

Requests Now

103

After Optimization

77

The browser has sent 103 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 3MB. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

3mb.in accessibility score

86

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

3mb.in best practices score

92

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

Page has valid source maps

SEO Factors

3mb.in SEO score

93

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 3mb.in 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 3mb.in 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 3MB. 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: