Tools & Wizards About Us
zerobounce.com screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

zerobounce.com

Email Validation Tools & Email List Cleaning | ZeroBounce

Page Load Speed

2.5 sec in total

First Response

92 ms

Resources Loaded

1.3 sec

Page Rendered

1.1 sec

zerobounce.com screenshot

About Website

Click here to check amazing Zero Bounce content. Otherwise, check out these important facts you probably never knew about zerobounce.com

Optimize your email strategy with ZeroBounce. We offer top-tier email validation, list cleaning, and address verification to reduce spam traps and enhance deliverability.

Visit zerobounce.com

Key Findings

We analyzed Zerobounce.com page load time and found that the first response time was 92 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

zerobounce.com performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

72/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

51/100

25%

SI (Speed Index)

Value8.8 s

16/100

10%

TBT (Total Blocking Time)

Value3,920 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.35

31/100

15%

TTI (Time to Interactive)

Value17.7 s

4/100

10%

Network Requests Diagram

zerobounce.com

92 ms

www.zerobounce.net

263 ms

styles.c74e8115a50e3f7a9e60.css

104 ms

intro-image.webp

150 ms

soc2type2.png

65 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Zerobounce.com, 98% (84 requests) were made to Zerobounce.net and 1% (1 request) were made to . The less responsive or slowest element that took the longest time to load (622 ms) relates to the external source Zerobounce.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 124.7 kB (19%)

Content Size

647.8 kB

After Optimization

523.1 kB

  • HTML
  • Images

In fact, the total size of Zerobounce.com main page is 647.8 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. 40% of websites need less resources to load. Images take 504.7 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 116.1 kB

  • Original 143.1 kB
  • After minification 143.0 kB
  • After compression 27.0 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 116.1 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 8.6 kB

  • Original 504.7 kB
  • After minification 496.1 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. Zero Bounce images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 8 (10%)

Requests Now

83

After Optimization

75

  • Images
  • JavaScript
  • CSS

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zero Bounce. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

zerobounce.com

zerobounce.com

92 ms

www.zerobounce.net

www.zerobounce.net

263 ms

styles.c74e8115a50e3f7a9e60.css

styles.c74e8115a50e3f7a9e60.css

104 ms

intro-image.webp

intro-image.webp

150 ms

soc2type2.png

soc2type2.png

65 ms

iso-certified.png

iso-certified.png

149 ms

hipaa-compliant.png

hipaa-compliant.png

50 ms

eu-gdpr.png

eu-gdpr.png

91 ms

privacy-shield.png

privacy-shield.png

99 ms

ccpa.png

ccpa.png

147 ms

upload.png

upload.png

151 ms

step-1.png

step-1.png

151 ms

step-2.png

step-2.png

181 ms

step-3.png

step-3.png

188 ms

check-shape-lg-base.inline.webp

check-shape-lg-base.inline.webp

210 ms

activity-data-inactive-home.png

activity-data-inactive-home.png

182 ms

email-score-inactive-home.png

email-score-inactive-home.png

189 ms

dmarc-inactive-home.png

dmarc-inactive-home.png

226 ms

blacklist-inactive-home.png

blacklist-inactive-home.png

240 ms

email-testing-inactive-home.png

email-testing-inactive-home.png

222 ms

email-finder-inactive-home.png

email-finder-inactive-home.png

267 ms

warmupInactive.png

warmupInactive.png

233 ms

check.webp

check.webp

296 ms

email-validation-homepage.png

email-validation-homepage.png

299 ms

icon-envelope.webp

icon-envelope.webp

284 ms

icon-shield.webp

icon-shield.webp

285 ms

icon-thumb-up.webp

icon-thumb-up.webp

306 ms

integration-img.png

integration-img.png

296 ms

belkins_study_thumbnail_rounded_corners.png

belkins_study_thumbnail_rounded_corners.png

322 ms

bar_cups_thumbnail_rounded.png

bar_cups_thumbnail_rounded.png

334 ms

workplace-study.png

workplace-study.png

369 ms

mediashare-study.png

mediashare-study.png

322 ms

coldlitycs-study.png

coldlitycs-study.png

352 ms

imagesource-study.png

imagesource-study.png

381 ms

copyhackers-study.png

copyhackers-study.png

374 ms

Fall1.png

Fall1.png

398 ms

Fall2.png

Fall2.png

377 ms

webpack-runtime-ef5e4577ee1e6db4b94f.js

webpack-runtime-ef5e4577ee1e6db4b94f.js

410 ms

polyfill-ecedf70e44470dabd4d8.js

polyfill-ecedf70e44470dabd4d8.js

622 ms

framework-b0827ea08432ddecb5dc.js

framework-b0827ea08432ddecb5dc.js

369 ms

app-2b361f65ab6cedf388ee.js

app-2b361f65ab6cedf388ee.js

357 ms

Fall3.png

Fall3.png

345 ms

Fall4.png

Fall4.png

293 ms

Fall5.png

Fall5.png

316 ms

Fall8.png

Fall8.png

359 ms

Fall15.png

Fall15.png

332 ms

Fall21.png

Fall21.png

368 ms

Fall22.png

Fall22.png

342 ms

Fall23.png

Fall23.png

337 ms

Fall31.png

Fall31.png

348 ms

Fall36.png

Fall36.png

361 ms

Fall38.png

Fall38.png

390 ms

Fall6.png

Fall6.png

351 ms

Fall7.png

Fall7.png

382 ms

Fall9.png

Fall9.png

379 ms

Fall10.png

Fall10.png

358 ms

Fall11.png

Fall11.png

364 ms

PAJJhLM6sSoWKfWCAAwDAjgbRAAB42mNgYGBkAIIbCZo5IPrmUn0hGA0AO8EFTQAA

PAJJhLM6sSoWKfWCAAwDAjgbRAAB42mNgYGBkAIIbCZo5IPrmUn0hGA0AO8EFTQAA

1 ms

Fall13.png

Fall13.png

362 ms

Fall14.png

Fall14.png

353 ms

Fall16.png

Fall16.png

405 ms

Fall17.png

Fall17.png

358 ms

Fall18.png

Fall18.png

369 ms

Fall19.png

Fall19.png

398 ms

Fall20.png

Fall20.png

393 ms

Fall26.png

Fall26.png

404 ms

Fall30.png

Fall30.png

383 ms

Fall32.png

Fall32.png

422 ms

Fall33.png

Fall33.png

400 ms

Fall34.png

Fall34.png

386 ms

Fall35.png

Fall35.png

368 ms

Fall37.png

Fall37.png

395 ms

reward-img.webp

reward-img.webp

420 ms

inc-logo.webp

inc-logo.webp

388 ms

msn_logo.jpg

msn_logo.jpg

397 ms

money-logo.webp

money-logo.webp

358 ms

buzz-feed-logo.webp

buzz-feed-logo.webp

391 ms

entrepreneur-logo.webp

entrepreneur-logo.webp

408 ms

forbes-logo.webp

forbes-logo.webp

373 ms

starter_story_logo.png

starter_story_logo.png

373 ms

natfluence.jpg

natfluence.jpg

388 ms

logo.png

logo.png

363 ms

app-store.webp

app-store.webp

350 ms

en-flag.png

en-flag.png

362 ms

es-flag.png

es-flag.png

364 ms

footer-icons.png

footer-icons.png

394 ms

Accessibility Review

zerobounce.com accessibility score

100

Accessibility Issues

Best Practices

zerobounce.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

zerobounce.com SEO score

92

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 Zerobounce.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 Zerobounce.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

zerobounce.com

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