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celtra.com screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

celtra.com

Home | Celtra

Page Load Speed

2.1 sec in total

First Response

17 ms

Resources Loaded

1.3 sec

Page Rendered

770 ms

celtra.com screenshot

About Website

Welcome to celtra.com homepage info - get ready to check Celtra best content for United States right away, or after learning these important things about celtra.com

From scaling digital ads to performance creative and building premium ad suites, advertisers and media companies can do it all with Celtra.

Visit celtra.com

Key Findings

We analyzed Celtra.com page load time and found that the first response time was 17 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

celtra.com performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value4,860 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.04

99/100

15%

TTI (Time to Interactive)

Value13.6 s

11/100

10%

Network Requests Diagram

celtra.com

17 ms

www.celtra.com

51 ms

www.celtra.com

42 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

15 ms

css_qz8Zo67ulYD-UKEzvEGs5s6TXrpknTvuYaGcvJhvG60.css

23 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 63% of them (59 requests) were addressed to the original Celtra.com, 5% (5 requests) were made to Google-analytics.com and 3% (3 requests) were made to Celt.netmng.com. The less responsive or slowest element that took the longest time to load (534 ms) belongs to the original domain Celtra.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (14%)

Content Size

8.8 MB

After Optimization

7.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Celtra.com main page is 8.8 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. 80% 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 7.5 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 30.3 kB

  • Original 40.4 kB
  • After minification 39.4 kB
  • After compression 10.1 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 30.3 kB or 75% of the original size.

Image Optimization

-3%

Potential reduce by 232.3 kB

  • Original 7.5 MB
  • After minification 7.3 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 images are well optimized though.

JavaScript Optimization

-77%

Potential reduce by 648.7 kB

  • Original 838.3 kB
  • After minification 619.4 kB
  • After compression 189.6 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 648.7 kB or 77% of the original size.

CSS Optimization

-85%

Potential reduce by 323.3 kB

  • Original 380.2 kB
  • After minification 376.0 kB
  • After compression 56.9 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.com needs all CSS files to be minified and compressed as it can save up to 323.3 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (49%)

Requests Now

78

After Optimization

40

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Celtra. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

celtra.com

celtra.com

17 ms

www.celtra.com

www.celtra.com

51 ms

www.celtra.com

www.celtra.com

42 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

15 ms

css_qz8Zo67ulYD-UKEzvEGs5s6TXrpknTvuYaGcvJhvG60.css

css_qz8Zo67ulYD-UKEzvEGs5s6TXrpknTvuYaGcvJhvG60.css

23 ms

css_lBGMedYDMS70T_yE3IuuHCjT6YURIFxNxHjuvxMkcSI.css

css_lBGMedYDMS70T_yE3IuuHCjT6YURIFxNxHjuvxMkcSI.css

30 ms

new.css

new.css

34 ms

css_SFORdZ0Y8PWv3_BrFZijjjJ8xvSpEqhil_sdCBQUmxA.css

css_SFORdZ0Y8PWv3_BrFZijjjJ8xvSpEqhil_sdCBQUmxA.css

29 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

59 ms

js_H7q2xORKmR9AN8Qx5spKEIBp7R_wG2apAswJoCUZY7I.js

js_H7q2xORKmR9AN8Qx5spKEIBp7R_wG2apAswJoCUZY7I.js

29 ms

js_VOone4BMSrzQBxwiuw06Lwd3E4uCHchux9AeWTNnxAM.js

js_VOone4BMSrzQBxwiuw06Lwd3E4uCHchux9AeWTNnxAM.js

57 ms

js_3TykeRWpejhD4-J3vdlaNXdULg9xhOZhbsppK0o2bUs.js

js_3TykeRWpejhD4-J3vdlaNXdULg9xhOZhbsppK0o2bUs.js

57 ms

js_jnFkPIgnao6E7EgcDPKsSOTLQGnehg12rzRQZ9qZ61Q.js

js_jnFkPIgnao6E7EgcDPKsSOTLQGnehg12rzRQZ9qZ61Q.js

111 ms

js_ydwD2lp562QEauOYJJKbL79x64QsXrsPOxgrOb-eEUA.js

js_ydwD2lp562QEauOYJJKbL79x64QsXrsPOxgrOb-eEUA.js

110 ms

js_kNWNhpgcPtwd8ffUjo6EntuY9ACgF8LUV3vCXNa0MY4.js

js_kNWNhpgcPtwd8ffUjo6EntuY9ACgF8LUV3vCXNa0MY4.js

113 ms

js_k-K8Ej6nZqp7cK17aookoWqixEoibfLE1MqChXIdF3M.js

js_k-K8Ej6nZqp7cK17aookoWqixEoibfLE1MqChXIdF3M.js

123 ms

gtm.js

gtm.js

369 ms

logo_white.svg

logo_white.svg

304 ms

logo_gray.svg

logo_gray.svg

312 ms

logo_dark.svg

logo_dark.svg

310 ms

logo_white_red.svg

logo_white_red.svg

306 ms

logo_white_gray.svg

logo_white_gray.svg

313 ms

star-sky-SM.png

star-sky-SM.png

534 ms

clouds-back.png

clouds-back.png

453 ms

front-clouds.png

front-clouds.png

454 ms

dna-1.png

dna-1.png

381 ms

burst.png

burst.png

338 ms

sparkles-blue.png

sparkles-blue.png

315 ms

sparkles-purple.png

sparkles-purple.png

328 ms

reporting-center.png

reporting-center.png

377 ms

hand.png

hand.png

378 ms

reporting-center-2.png

reporting-center-2.png

379 ms

viewable.png

viewable.png

381 ms

slider_bg.jpg

slider_bg.jpg

427 ms

slider_view_laptop.png

slider_view_laptop.png

412 ms

slider_view_number_0_0.png

slider_view_number_0_0.png

405 ms

viewability-660px.png

viewability-660px.png

426 ms

viewability-440px.png

viewability-440px.png

427 ms

slider_gotham_stopwatch.png

slider_gotham_stopwatch.png

449 ms

slider_gotham_video.png

slider_gotham_video.png

448 ms

slider_gotham_eye.png

slider_gotham_eye.png

449 ms

slide_gotham_mac_0.png

slide_gotham_mac_0.png

528 ms

slide_gotham_ipad_1.png

slide_gotham_ipad_1.png

485 ms

slide_gotham_nexus_0.png

slide_gotham_nexus_0.png

485 ms

gotham-660px.png

gotham-660px.png

486 ms

gotham-440px.png

gotham-440px.png

487 ms

slider_ad_browser_0.png

slider_ad_browser_0.png

525 ms

slider_ad_ipad_0.png

slider_ad_ipad_0.png

524 ms

slider_ad_nexus_0.png

slider_ad_nexus_0.png

504 ms

formats-660px.png

formats-660px.png

522 ms

formats-440px.png

formats-440px.png

514 ms

JoinTeam-image.jpg

JoinTeam-image.jpg

288 ms

AvenirNextLTPro-Light.woff

AvenirNextLTPro-Light.woff

283 ms

AvenirNextLTPro-Regular.woff

AvenirNextLTPro-Regular.woff

236 ms

AvenirNextLTPro-UltLt.woff

AvenirNextLTPro-UltLt.woff

236 ms

Icons-Celtra.woff

Icons-Celtra.woff

234 ms

AvenirNextLTPro-Thin.woff

AvenirNextLTPro-Thin.woff

262 ms

AvenirNextLTPro-Medium.woff

AvenirNextLTPro-Medium.woff

262 ms

segoerg-webfont.woff

segoerg-webfont.woff

256 ms

avenirnextltpro-medium-cn-webfont.woff

avenirnextltpro-medium-cn-webfont.woff

250 ms

ellen-ad-gallery.png

ellen-ad-gallery.png

240 ms

analytics.js

analytics.js

66 ms

ga.js

ga.js

79 ms

fbds.js

fbds.js

265 ms

celt.netmng.com

celt.netmng.com

201 ms

linkid.js

linkid.js

43 ms

__utm.gif

__utm.gif

59 ms

collect

collect

27 ms

collect

collect

137 ms

celt.netmng.com

celt.netmng.com

67 ms

26 ms

rum

rum

276 ms

13209

13209

151 ms

137 ms

match.aspx

match.aspx

135 ms

83 ms

sync

sync

144 ms

u.php

u.php

138 ms

pixel

pixel

30 ms

dlxdata.netmng.com

dlxdata.netmng.com

79 ms

mapuser

mapuser

20 ms

382706.gif

382706.gif

19 ms

sd

sd

25 ms

26 ms

tap.php

tap.php

17 ms

pixel.gif

pixel.gif

35 ms

37 ms

47 ms

rum

rum

108 ms

37 ms

collect

collect

32 ms

4 ms

collect

collect

32 ms

Accessibility Review

celtra.com accessibility score

94

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.

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

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>).

Best Practices

celtra.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

celtra.com SEO score

84

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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Celtra.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Celtra.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

celtra.com

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