Tools & Wizards About Us
celtra.zoom.us screenshot

Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 70

    SEO

    Google-friendlier than
    30% of websites

celtra.zoom.us

One platform to connect | Zoom

Page Load Speed

1.7 sec in total

First Response

46 ms

Resources Loaded

1 sec

Page Rendered

698 ms

celtra.zoom.us screenshot

About Website

Visit celtra.zoom.us now to see the best up-to-date Celtra Zoom content for United States and also check out these interesting facts you probably never knew about celtra.zoom.us

Modernize workflows with Zoom's trusted collaboration tools: including video meetings, team chat, VoIP phone, webinars, whiteboard, contact center, and events.

Visit celtra.zoom.us

Key Findings

We analyzed Celtra.zoom.us page load time and found that the first response time was 46 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

celtra.zoom.us performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value11.9 s

0/100

25%

SI (Speed Index)

Value11.7 s

4/100

10%

TBT (Total Blocking Time)

Value3,690 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.165

72/100

15%

TTI (Time to Interactive)

Value43.6 s

0/100

10%

Network Requests Diagram

celtra.zoom.us

46 ms

celtra.zoom.us

99 ms

helper.min.js

133 ms

optimizely.js

196 ms

internacional.min.css

125 ms

Our browser made a total of 105 requests to load all elements on the main page. We found that 3% of them (3 requests) were addressed to the original Celtra.zoom.us, 42% (44 requests) were made to File-paa.zoom.us and 17% (18 requests) were made to Us06st1.zoom.us. The less responsive or slowest element that took the longest time to load (450 ms) relates to the external source File-paa.zoom.us.

Page Optimization Overview & Recommendations

Page size can be reduced by 684.0 kB (11%)

Content Size

6.2 MB

After Optimization

5.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Celtra.zoom.us main page is 6.2 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 4.9 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 520.2 kB

  • Original 657.2 kB
  • After minification 656.2 kB
  • After compression 137.0 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 520.2 kB or 79% of the original size.

Image Optimization

-3%

Potential reduce by 162.4 kB

  • Original 4.9 MB
  • After minification 4.8 MB

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. Celtra Zoom images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 454 B

  • Original 528.1 kB
  • After minification 528.1 kB
  • After compression 527.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 945 B

  • Original 99.5 kB
  • After minification 99.5 kB
  • After compression 98.6 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. Celtra.zoom.us has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 32 (34%)

Requests Now

95

After Optimization

63

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 95 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Celtra Zoom. 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 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

celtra.zoom.us

celtra.zoom.us

46 ms

celtra.zoom.us

celtra.zoom.us

99 ms

helper.min.js

helper.min.js

133 ms

optimizely.js

optimizely.js

196 ms

internacional.min.css

internacional.min.css

125 ms

suisse.min.css

suisse.min.css

128 ms

all.min.css

all.min.css

129 ms

zoom-components.min.css

zoom-components.min.css

130 ms

swiper-bundle-8.3.2.min.css

swiper-bundle-8.3.2.min.css

133 ms

home-v2.min.css

home-v2.min.css

132 ms

monitor.min.js

monitor.min.js

132 ms

csrf_js

csrf_js

83 ms

notification.min.css

notification.min.css

129 ms

popup-captcha.min.css

popup-captcha.min.css

128 ms

otSDKStub.js

otSDKStub.js

110 ms

top_nav.min.css

top_nav.min.css

130 ms

vue.min.js

vue.min.js

153 ms

zoom-components.min.js

zoom-components.min.js

138 ms

popup-captcha.min.js

popup-captcha.min.js

142 ms

all.min.js

all.min.js

141 ms

jquery.validate.message.min.js

jquery.validate.message.min.js

123 ms

top_nav.min.js

top_nav.min.js

122 ms

swiper-bundle-8.3.2.min.js

swiper-bundle-8.3.2.min.js

136 ms

gsap.min.js

gsap.min.js

129 ms

home_v2.min.js

home_v2.min.js

126 ms

chat-client.js

chat-client.js

140 ms

meeting_delete_dialog.min.css

meeting_delete_dialog.min.css

128 ms

notification.min.js

notification.min.js

127 ms

icon-arrow-down.svg

icon-arrow-down.svg

53 ms

Zoom_logo.svg

Zoom_logo.svg

53 ms

icon-arrow-down-blue.svg

icon-arrow-down-blue.svg

54 ms

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279 ms

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359 ms

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382 ms

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386 ms

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390 ms

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396 ms

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394 ms

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399 ms

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400 ms

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401 ms

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408 ms

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442 ms

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421 ms

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421 ms

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420 ms

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420 ms

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422 ms

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431 ms

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434 ms

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433 ms

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443 ms

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444 ms

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448 ms

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449 ms

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450 ms

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36 ms

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95 ms

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95 ms

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227 ms

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38 ms

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38 ms

industry3.jpg

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95 ms

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93 ms

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44 ms

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35 ms

industry2.jpg

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96 ms

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226 ms

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194 ms

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194 ms

location

location

229 ms

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48 ms

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40 ms

Accessibility Review

celtra.zoom.us accessibility score

65

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

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

High

ARIA IDs are not unique

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.

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

celtra.zoom.us 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

Displays images with incorrect aspect ratio

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

celtra.zoom.us SEO score

70

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

High

Page is blocked from indexing

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 Celtra.zoom.us 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 Celtra.zoom.us 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

celtra.zoom.us

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