Report Summary

  • 69

    Performance

    Renders faster than
    81% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

lockbin.com

Lockbin - send private, secure email messages, easily

Page Load Speed

1.3 sec in total

First Response

105 ms

Resources Loaded

987 ms

Page Rendered

175 ms

lockbin.com screenshot

About Website

Visit lockbin.com now to see the best up-to-date Lockbin content for United States and also check out these interesting facts you probably never knew about lockbin.com

Lockbin, the free online email encryption service. Send secure email messages and files that are protected with AES-256 bit encryption.

Visit lockbin.com

Key Findings

We analyzed Lockbin.com page load time and found that the first response time was 105 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

lockbin.com performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value3.6 s

86/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value4.8 s

79/100

10%

Network Requests Diagram

lockbin.com

105 ms

lockbin.com

213 ms

jquery.min.js

77 ms

bootstrap.css

59 ms

bootstrap-glyphicons.css

112 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 62% of them (33 requests) were addressed to the original Lockbin.com, 9% (5 requests) were made to Ajax.googleapis.com and 8% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (229 ms) relates to the external source S7.addthis.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 882.6 kB (59%)

Content Size

1.5 MB

After Optimization

610.1 kB

In fact, the total size of Lockbin.com main page is 1.5 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. Javascripts take 653.9 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 46.1 kB

  • Original 64.6 kB
  • After minification 60.6 kB
  • After compression 18.5 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 46.1 kB or 71% of the original size.

Image Optimization

-5%

Potential reduce by 16.0 kB

  • Original 322.2 kB
  • After minification 306.2 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. Lockbin images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 439.2 kB

  • Original 653.9 kB
  • After minification 622.7 kB
  • After compression 214.7 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 439.2 kB or 67% of the original size.

CSS Optimization

-84%

Potential reduce by 381.4 kB

  • Original 452.1 kB
  • After minification 407.7 kB
  • After compression 70.7 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. Lockbin.com needs all CSS files to be minified and compressed as it can save up to 381.4 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (41%)

Requests Now

46

After Optimization

27

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lockbin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

lockbin.com accessibility score

73

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

High

Links do not have a discernible name

Best Practices

lockbin.com 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

Page has valid source maps

SEO Factors

lockbin.com SEO score

91

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

High

Tap targets are not sized appropriately

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 Lockbin.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 Lockbin.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 description is not detected on the main page of Lockbin. 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: