Report Summary

  • 39

    Performance

    Renders faster than
    59% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

verticalbackup.com

Vertical Backup: a fast and low-cost network and cloud backup tool for VMware vSphere Hypervisor ESXi

Page Load Speed

2.9 sec in total

First Response

82 ms

Resources Loaded

2.6 sec

Page Rendered

216 ms

verticalbackup.com screenshot

About Website

Click here to check amazing Vertical Backup content. Otherwise, check out these important facts you probably never knew about verticalbackup.com

Vertical Backup is a tool that can backup ESXi virtual machines to NFS/SFTP/Amazon S3/Microsft Azure/Backblaze B2. It comes with many advantaged features, such as cross-host deduplication, client-side...

Visit verticalbackup.com

Key Findings

We analyzed Verticalbackup.com page load time and found that the first response time was 82 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

verticalbackup.com performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

26/100

25%

SI (Speed Index)

Value2.7 s

97/100

10%

TBT (Total Blocking Time)

Value7,360 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value12.3 s

15/100

10%

Network Requests Diagram

verticalbackup.com

82 ms

asciinema-player.css

54 ms

bootstrap.min.css

26 ms

jquery-1.12.3.min.js

23 ms

bootstrap.min.js

35 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 43% of them (6 requests) were addressed to the original Verticalbackup.com, 29% (4 requests) were made to Maxcdn.bootstrapcdn.com and 14% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (447 ms) belongs to the original domain Verticalbackup.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 50.4 kB (16%)

Content Size

312.2 kB

After Optimization

261.8 kB

In fact, the total size of Verticalbackup.com main page is 312.2 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Javascripts take 193.2 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 17.6 kB

  • Original 23.2 kB
  • After minification 18.8 kB
  • After compression 5.5 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. This page needs HTML code to be minified as it can gain 4.4 kB, which is 19% 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 17.6 kB or 76% of the original size.

Image Optimization

-2%

Potential reduce by 2.1 kB

  • Original 88.8 kB
  • After minification 86.7 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. Vertical Backup images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 29.3 kB

  • Original 193.2 kB
  • After minification 193.2 kB
  • After compression 163.9 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 29.3 kB or 15% of the original size.

CSS Optimization

-19%

Potential reduce by 1.3 kB

  • Original 7.1 kB
  • After minification 7.1 kB
  • After compression 5.8 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. Verticalbackup.com needs all CSS files to be minified and compressed as it can save up to 1.3 kB or 19% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (33%)

Requests Now

12

After Optimization

8

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vertical Backup. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

verticalbackup.com accessibility score

100

Accessibility Issues

Best Practices

verticalbackup.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

Missing source maps for large first-party JavaScript

SEO Factors

verticalbackup.com SEO score

85

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

High

robots.txt is not valid

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 Verticalbackup.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 Verticalbackup.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 Vertical Backup. 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: