Tools & Wizards About Us
mailboxvalidator.com screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 91% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

mailboxvalidator.com

Email Validation API - Verify Email Address | MailboxValidator

Page Load Speed

893 ms in total

First Response

27 ms

Resources Loaded

531 ms

Page Rendered

335 ms

mailboxvalidator.com screenshot

About Website

Visit mailboxvalidator.com now to see the best up-to-date Mailbox Validator content for India and also check out these interesting facts you probably never knew about mailboxvalidator.com

MailboxValidator email validation clean email lists and reduces bounce. It connects to the mail server and checks whether the mailbox exists or not.

Visit mailboxvalidator.com

Key Findings

We analyzed Mailboxvalidator.com page load time and found that the first response time was 27 ms and then it took 866 ms 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

mailboxvalidator.com performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value3.7 s

85/100

10%

TBT (Total Blocking Time)

Value730 ms

41/100

30%

CLS (Cumulative Layout Shift)

Value0.076

95/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

Network Requests Diagram

mailboxvalidator.com

27 ms

www.mailboxvalidator.com

64 ms

gtm.js

81 ms

bootstrap.min.css

59 ms

style.min.css

70 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 16% of them (7 requests) were addressed to the original Mailboxvalidator.com, 52% (23 requests) were made to Mailboxvalidator.hexa-soft.com and 18% (8 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (121 ms) relates to the external source Mailboxvalidator.hexa-soft.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 45.5 kB (32%)

Content Size

143.9 kB

After Optimization

98.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Mailboxvalidator.com main page is 143.9 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. 50% of websites need less resources to load. HTML takes 50.0 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 39.4 kB

  • Original 50.0 kB
  • After minification 41.7 kB
  • After compression 10.7 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 8.3 kB, which is 17% 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 39.4 kB or 79% of the original size.

Image Optimization

-1%

Potential reduce by 546 B

  • Original 41.4 kB
  • After minification 40.9 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. Mailbox Validator images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 12 B

  • Original 7.3 kB
  • After minification 7.3 kB
  • After compression 7.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-12%

Potential reduce by 5.6 kB

  • Original 45.1 kB
  • After minification 42.4 kB
  • After compression 39.5 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. Mailboxvalidator.com needs all CSS files to be minified and compressed as it can save up to 5.6 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (81%)

Requests Now

36

After Optimization

7

  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mailbox Validator. 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 18 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

mailboxvalidator.com

mailboxvalidator.com

27 ms

www.mailboxvalidator.com

www.mailboxvalidator.com

64 ms

gtm.js

gtm.js

81 ms

bootstrap.min.css

bootstrap.min.css

59 ms

style.min.css

style.min.css

70 ms

tp.widget.bootstrap.min.js

tp.widget.bootstrap.min.js

37 ms

jquery.min.js

jquery.min.js

50 ms

jquery-migrate.min.js

jquery-migrate.min.js

74 ms

bootstrap.min.js

bootstrap.min.js

77 ms

back-to-top.js

back-to-top.js

105 ms

app.js

app.js

109 ms

lazy.min.js

lazy.min.js

17 ms

waypoints.min.js

waypoints.min.js

108 ms

jquery.counterup.min.js

jquery.counterup.min.js

108 ms

lazyloadsprite.js

lazyloadsprite.js

28 ms

lazyloadyoutube.js

lazyloadyoutube.js

31 ms

cookie-notice.js

cookie-notice.js

31 ms

line-icons.min.css

line-icons.min.css

106 ms

style_1.min.css

style_1.min.css

106 ms

style.css

style.css

30 ms

custom.min.css

custom.min.css

107 ms

plugins.css

plugins.css

121 ms

blue.min.css

blue.min.css

117 ms

all.min.css

all.min.css

101 ms

app.min.css

app.min.css

62 ms

ie8.css

ie8.css

55 ms

blocks.css

blocks.css

60 ms

animate.css

animate.css

65 ms

box-shadows.css

box-shadows.css

70 ms

style-switcher.css

style-switcher.css

76 ms

header-default.css

header-default.css

69 ms

footer-v1.css

footer-v1.css

77 ms

css

css

57 ms

mailboxvalidator_logo.png

mailboxvalidator_logo.png

109 ms

top_banner.jpg

top_banner.jpg

108 ms

breadcrumbs.png

breadcrumbs.png

107 ms

placeholder-image.png

placeholder-image.png

110 ms

map-img.png

map-img.png

107 ms

fa-v4compatibility.ttf

fa-v4compatibility.ttf

20 ms

fa-regular-400.ttf

fa-regular-400.ttf

13 ms

fa-brands-400.ttf

fa-brands-400.ttf

20 ms

fa-solid-900.ttf

fa-solid-900.ttf

52 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

58 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVQ.woff

73 ms

Accessibility Review

mailboxvalidator.com accessibility score

97

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

Heading elements are not in a sequentially-descending order

Best Practices

mailboxvalidator.com best practices score

75

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

Page has valid source maps

SEO Factors

mailboxvalidator.com SEO score

90

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

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 Mailboxvalidator.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 Mailboxvalidator.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

mailboxvalidator.com

Open Graph data is detected on the main page of Mailbox Validator. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: