firebase.com Website Information

Daily Unique Visits: 23,015

Daily Page Views: 138,090

Income Per Day: $276

Estimated Value: $198,720

firebase.com is registered under .COM top-level domain. Please check other sites in .COM zone.

No name server records were found.

and is probably hosted by FASTLY - Fastly, US. See the full list of other websites hosted by FASTLY - Fastly, US.

The highest website firebase.com position in Alexa rank database was 10651 and the lowest rank position was 991966. Current position of firebase.com in Alexa rank database is 62316.

Desktop speed score of firebase.com (67/100) is better than the results of 45.93% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of firebase.com (99/100) is better than the results of 79.46% of other sites and means that the page is mobile-friendly.

Mobile speed score of firebase.com (44/100) is better than the results of 24.22% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

firebase.com Alexa Rank

The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.

firebase.com whois

WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.

Domain Name: FIREBASE.COM
Registry Domain ID: 522920_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.markmonitor.com
Registrar URL: http://www.markmonitor.com
Updated Date: 2024-08-30T10:10:15Z
Creation Date: 1997-10-02T04:00:00Z
Registry Expiry Date: 2025-10-01T04:00:00Z
Registrar: MarkMonitor Inc.
Registrar IANA ID: 292
Registrar Abuse Contact Email: abusecomplaints@markmonitor.com
Registrar Abuse Contact Phone: +1.2086851750
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Name Server: NS-CLOUD-C1.GOOGLEDOMAINS.COM
Name Server: NS-CLOUD-C2.GOOGLEDOMAINS.COM
Name Server: NS-CLOUD-C3.GOOGLEDOMAINS.COM
Name Server: NS-CLOUD-C4.GOOGLEDOMAINS.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-09-10T22:05:02Z

firebase.com server information

Servers Location

firebase.com desktop page speed rank

Last tested: 2019-12-07

Desktop Speed Medium

67/100

firebase.com Desktop Speed Test Quick Summary

priority - 19Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

https://firebase.google.com/_d/profile/ogb (expiration not specified)
https://firebase.google.com/_d/profile/user (expiration not specified)
https://firebase.google.com/images/appmakers/alibaba_1x.png (expiration not specified)
https://firebase.google.com/images/appmakers/ctrip_1x.png (expiration not specified)
https://firebase.google.com/images/appmakers/duolingo_1x.png (expiration not specified)
https://firebase.google.com/images/appmakers/halfbrick_1x.png (expiration not specified)
https://firebase.google.com/images/appmakers/jet_1x.png (expiration not specified)
https://firebase.google.com/images/appmakers/lyft_1x.png (expiration not specified)
https://firebase.google.com/images/appmakers/npr-one_1x.png (expiration not specified)
https://firebase.google.com/images/appmakers/nytimes_1x.png (expiration not specified)
https://firebase.google.com/images/appmakers/the-economist_1x.png (expiration not specified)
https://firebase.google.com/images/appmakers/trivago_1x.png (expiration not specified)
https://firebase.google.com/images/appmakers/venmo_1x.png (expiration not specified)
https://firebase.google.com/images/appmakers/wattpad_1x.png (expiration not specified)
https://firebase.google.com/images/backgrounds/background-home.svg (expiration not specified)
https://firebase.google.com/images/footer/footer-illo_1x.png (expiration not specified)
https://firebase.google.com/images/homepage/build_1x.png (expiration not specified)
https://firebase.google.com/images/homepage/cloud-plus-firebase_1x.png (expiration not specified)
https://firebase.google.com/images/homepage/grow_1x.png (expiration not specified)
https://firebase.google.com/images/homepage/hero-illo_1x.png (expiration not specified)
https://firebase.google.com/images/homepage/news/firestore.png (expiration not specified)
https://firebase.google.com/images/homepage/news/research-signup_2017.png (expiration not specified)
https://firebase.google.com/images/homepage/news/summit-2019.png (expiration not specified)
https://firebase.google.com/images/homepage/quality_1x.png (expiration not specified)
https://firebase.google.com/images/homepage/solutions-illo_1x.png (expiration not specified)
https://firebase.google.com/images/integrations/admob.svg (expiration not specified)
https://firebase.google.com/images/integrations/bigquery.svg (expiration not specified)
https://firebase.google.com/images/integrations/datastudio.svg (expiration not specified)
https://firebase.google.com/images/integrations/google-ads.svg (expiration not specified)
https://firebase.google.com/images/integrations/go…marketing-platform.svg (expiration not specified)
https://firebase.google.com/images/integrations/jira.svg (expiration not specified)
https://firebase.google.com/images/integrations/pagerduty.png (expiration not specified)
https://firebase.google.com/images/integrations/playstore.svg (expiration not specified)
https://firebase.google.com/images/integrations/slack.svg (expiration not specified)
https://firebase.google.com/images/nachos/nacho-footer.svg (expiration not specified)
https://firebase.google.com/styles/code-picker.css (expiration not specified)
https://www.googletagmanager.com/gtm.js?id=GTM-KFPLMHC (15 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://www.google-analytics.com/internal/analytics.js (2 hours)

priority - 18Avoid landing page redirects

Your page has 3 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

http://firebase.com/
https://firebase.com/
https://www.firebase.com/
https://firebase.google.com/

priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking CSS resources. This causes a delay in rendering your page.

Optimize CSS Delivery of the following:

https://fonts.googleapis.com/css?family=Google+San…500,700|Material+Icons

priority - 4Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 38.2KiB (60% reduction).

Compressing and resizing https://firebase.google.com/images/homepage/news/firestore.png could save 17.2KiB (78% reduction).
Compressing and resizing https://firebase.google.com/images/homepage/news/summit-2019.png could save 8.3KiB (66% reduction).
Compressing and resizing https://www.gstatic.com/mobilesdk/190917_mobilesdk/trigger_72@2x.png could save 4.1KiB (54% reduction).
Compressing and resizing https://firebase.google.com/images/integrations/pagerduty.png could save 2.3KiB (69% reduction).
Compressing and resizing https://www.gstatic.com/mobilesdk/190715_mobilesdk/resize_72@2x.png could save 2KiB (41% reduction).
Compressing and resizing https://www.gstatic.com/mobilesdk/190715_mobilesdk/translate_72@2x.png could save 1.8KiB (36% reduction).
Compressing and resizing https://www.gstatic.com/mobilesdk/190715_mobilesdk/add_72@2x.png could save 1.8KiB (35% reduction).
Compressing and resizing https://www.gstatic.com/devrel-devsite/prod/v15f72…base/images/lockup.png could save 825B (32% reduction).

firebase.com Desktop Resource Breakdown

Total Resources	68
Number of Hosts	9
Static Resources	52
JavaScript Resources	9
CSS Resources	4

firebase.com mobile page speed rank

Last tested: 2018-10-08

Mobile Speed Bad

44/100

firebase.com Mobile Speed Test Quick Summary

priority - 67Avoid landing page redirects

Your page has 3 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

http://firebase.com/
https://firebase.com/
https://www.firebase.com/
https://firebase.google.com/

priority - 34Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

https://firebase.google.com/_s/getsuggestions?hl=en&p=%2F&s=firebase&c=2 (10 minutes)
https://firebase.google.com/_s/getsuggestions?hl=en&p=%2F&s=firebase&c=3 (10 minutes)
https://firebase.google.com/_s/getsuggestions?hl=en&s=firebase&c=1 (10 minutes)
https://static.doubleclick.net/instream/ad_status.js (15 minutes)
https://www.googletagmanager.com/gtm.js?id=GTM-N84485 (15 minutes)
https://firebase-dot-google-developers.appspot.com/styles/app.css (60 minutes)
https://firebase.google.com/images/appmakers/alibaba_2x.png (60 minutes)
https://firebase.google.com/images/appmakers/ctrip_2x.png (60 minutes)
https://firebase.google.com/images/appmakers/duolingo_2x.png (60 minutes)
https://firebase.google.com/images/appmakers/jet_2x.png (60 minutes)
https://firebase.google.com/images/appmakers/lyft_2x.png (60 minutes)
https://firebase.google.com/images/appmakers/npr-one_2x.png (60 minutes)
https://firebase.google.com/images/appmakers/nytimes_2x.png (60 minutes)
https://firebase.google.com/images/appmakers/shazam_2x.png (60 minutes)
https://firebase.google.com/images/appmakers/the-economist_2x.png (60 minutes)
https://firebase.google.com/images/appmakers/trivago_2x.png (60 minutes)
https://firebase.google.com/images/appmakers/venmo_2x.png (60 minutes)
https://firebase.google.com/images/appmakers/wattpad_2x.png (60 minutes)
https://firebase.google.com/images/backslant-footer.svg (60 minutes)
https://firebase.google.com/images/backslant-home-repeat.svg (60 minutes)
https://firebase.google.com/images/backslant-home-top.svg (60 minutes)
https://firebase.google.com/images/cloud_and_firebase.png (60 minutes)
https://firebase.google.com/images/events/firebase-crashlytics-logo.png (60 minutes)
https://firebase.google.com/images/home-top-illo-layer-apps_2x.png (60 minutes)
https://firebase.google.com/images/home-top-illo-layer-code_2x.png (60 minutes)
https://firebase.google.com/images/home-top-illo-layer-phone_2x.png (60 minutes)
https://firebase.google.com/images/homepage/build_2x.png (60 minutes)
https://firebase.google.com/images/homepage/grow_2x.png (60 minutes)
https://firebase.google.com/images/homepage/new-features_2x.png (60 minutes)
https://firebase.google.com/images/homepage/news/c…lytics-launch-2018.png (60 minutes)
https://firebase.google.com/images/homepage/news/firebase-predictions.png (60 minutes)
https://firebase.google.com/images/homepage/news/research-signup_2017.png (60 minutes)
https://firebase.google.com/images/homepage/onboarding_2x.png (60 minutes)
https://firebase.google.com/images/homepage/quality_2x.png (60 minutes)
https://firebase.google.com/images/homepage/sparky_couchgamer_2x.png (60 minutes)
https://firebase.google.com/images/integrations/admob.svg (60 minutes)
https://firebase.google.com/images/integrations/bigquery.svg (60 minutes)
https://firebase.google.com/images/integrations/datastudio.svg (60 minutes)
https://firebase.google.com/images/integrations/google-ads.svg (60 minutes)
https://firebase.google.com/images/integrations/go…marketing-platform.svg (60 minutes)
https://firebase.google.com/images/integrations/playstore.svg (60 minutes)
https://firebase.google.com/images/integrations/slack.svg (60 minutes)
https://firebase.google.com/styles/app.css (60 minutes)
https://www.google-analytics.com/plugins/ua/linkid.js (60 minutes)
https://www.google.com/jsapi?key=AIzaSyCZfHRnq7tigC-COeQRmoa9Cxr0vbrK6xw (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)

priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://firebase.google.com/_static/1e1304016d/js/jquery-bundle.js

Optimize CSS Delivery of the following:

https://fonts.googleapis.com/css?family=Google+San…500,700|Material+Icons
https://firebase.google.com/_static/1e1304016d/css…site-firebase-blue.css
https://firebase.google.com/_static/1e1304016d/css…base/firebase-site.css
https://firebase.google.com/styles/app.css

priority - 6Reduce server response time

In our test, your server responded in 0.58 seconds.

priority - 2Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 18.3KiB (40% reduction).

Compressing https://firebase.google.com/images/events/firebase-crashlytics-logo.png could save 12.6KiB (60% reduction).
Compressing https://firebase.google.com/images/homepage/news/c…lytics-launch-2018.png could save 5.7KiB (23% reduction).

priority - 2Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

Minify JavaScript for the following resources to reduce their size by 15.4KiB (50% reduction).

Minifying https://firebase-dot-google-developers.appspot.com…/js/prettify-bundle.js could save 15.3KiB (51% reduction) after compression.
Minifying https://firebase.google.com/_static2/1e1304016d/jsi18n/ could save 123B (17% reduction) after compression.

priority - 0Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 366B (43% reduction).

Compressing https://www.youtube.com/iframe_api could save 366B (43% reduction).

firebase.com Mobile Resource Breakdown

Total Resources	97
Number of Hosts	15
Static Resources	72
JavaScript Resources	24
CSS Resources	9

firebase.com mobile page usability

Last tested: 2018-10-08

Mobile Usability Good

99/100

firebase.com Mobile Usability Test Quick Summary

priority - 0Size tap targets appropriately

Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.

The following tap targets are close to other nearby tap targets and may need additional spacing around them.

The tap target <div class="devsite-code-b…rk-code-button"> and 1 others are close to other tap targets.
The tap target <div class="devsite-code-b…rk-code-button"> and 1 others are close to other tap targets.

firebase.com HTML validation

Errors

Bad value “pt-br-cn” for attribute “hreflang” on element “link”: The subtag “cn” does not match the format for any permissible subtag type.

Line: 9 Column: 829 - 914
"...g="en-cn"><link rel="alternate" href="https://firebase.google.cn/?hl=pt-br" hreflang="pt-br-cn"><link ..."

Bad value “es-419-cn” for attribute “hreflang” on element “link”: The subtag “cn” does not match the format for any permissible subtag type.

Line: 9 Column: 995 - 1082
"...g="id-cn"><link rel="alternate" href="https://firebase.google.cn/?hl=es-419" hreflang="es-419-cn"><link ..."

Bad value “//fonts.googleapis.com/css?family=Google+Sans:400,500|Roboto:400,400italic,500,500italic,700,700italic|Roboto+Mono:400,500,700|Material+Icons” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.

Line: 28 Column: 305 - 7
"...-scale=1"><link rel="stylesheet" href="//fonts.googleapis.com/css?family=Google+Sans:400,500|Roboto:400,400italic,500,500italic,700,700italic|Roboto+Mono:400,500,700|Material+Icons" ><link ..."

Attribute “value” not allowed on element “meta” at this point.

Line: 35 Column: 377 - 424
"...usiness."><meta name="hide_ratings_widget" value="true" /><meta ..."

Element “meta” is missing one or more of the following attributes: “content”, “property”.

Line: 35 Column: 377 - 424
"...usiness."><meta name="hide_ratings_widget" value="true" /><meta ..."

Element “title” not allowed as child of element “head” in this context. (Suppressing further errors from this subtree.)

Line: 35 Column: 1563 - 1569
"...iness." /><title>Fireba..."

Attribute “track-type” not allowed on element “a” at this point.

Line: 56 Column: 138 - 35
"...-wrapper"><a href="https://firebase.google.com/" class="devsite-site-logo-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Site logo" track-type = "globalNav" track-name = "firebase" track-metadata-eventDetail = "nav" track-metadata-position = "nav"><img s..." Line: 140 Column: 1358 - 48
"...iv></form><a class="devsite-header-link devsite-top-button button gc-analytics-event" href="//console.firebase.google.com" data-category="Site-Wide Custom Events" data-label="Site header link" track-type="globalNav" track-name="go to console" track-metadata-position="nav" track-metadata-eventDetail='nav'><div c..." Line: 148 Column: 65 - 33
"...></button><a href="https://accounts.google.com/ServiceLogin?passive=true&continue=https%3A%2F%2Ffirebase.google.com%2F%3Frefresh%3D1&service=ahsid" class="devsite-user-signin devsite-top-button button gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Sign in button" track-type='globalNav' track-name='signIn' track-metadata-eventDetail='nav' track-metadata-position='nav'> ..." Line: 1817 Column: 197 - 95
"...ack-item"><a data-type="documentation" class="gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Docs Feedback Image" track-type="feedback" track-name="feedbackDocIcon" track-metadata-position="header"><div c..." Line: 1823 Column: 62 - 97
"...cription"><a data-type="documentation" tabindex="0" class="gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Docs Feedback Text" track-type="feedback" track-name="feedbackDocText" track-metadata-position="header"> ..." Line: 1831 Column: 62 - 10
"...ack-item"><a data-type="product" tabindex="0" class="gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Product Feedback Image" track-type="feedback" track-name="feedbackProductIcon" track-metadata-position="header" href="https://firebase.google.com/support/contact/bugs-features/" ><img s..." Line: 1840 Column: 62 - 12
"...cription"><a data-type="product" tabindex="0" class="gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Product Feedback Text" track-type="feedback" track-name="feedbackProductText" track-metadata-position="header" href="https://firebase.google.com/support/contact/bugs-features/" > ..."

Attribute “track-name” not allowed on element “a” at this point.

Attribute “track-metadata-eventdetail” not allowed on element “a” at this point.

Attribute “track-metadata-position” not allowed on element “a” at this point.

Attribute “search-placeholder” not allowed on element “form” at this point.

Line: 116 Column: 35 - 44
"...nav></div><form class="devsite-search-form" action="https://firebase.google.com/s/results/" method="GET" id="top-search" search-placeholder='Search'><div i..."

Attribute “track-type” not allowed on element “button” at this point.

Line: 154 Column: 127 - 95
"...te-width"><button type="button" id="devsite-feedback-project" class="devsite-feedback-button devsite-top-button gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Send Feedback Button" track-type="feedback" track-name="sendFeedbackLink" track-metadata-position="header"> ..." Line: 1850 Column: 55 - 47
"...-buttons"><button type="button" class="devsite-feedback-cancel button-white gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Cancel Feedback Button" track-type="feedback" track-name="cancelFeedbackButton" track-metadata-position="header"> ..."

Attribute “track-name” not allowed on element “button” at this point.

Attribute “track-metadata-position” not allowed on element “button” at this point.

No space between attributes.

Line: 166 Column: - 38
"...id="gc-wrapper"itemscope itemt..."

Attribute “track-metadata-score” not allowed on element “div” at this point.

Line: 346 Column: 49 - 67
"...ng-stars"><div class="devsite-rating-star devsite-rating-star-outline gc-analytics-event material-icons" data-rating-val="1" data-category="Site-Wide Custom Events" data-label="Star Rating 1" track-metadata-score="1" track-type="feedback" track-name="rating" track-metadata-position="header" role="button" aria-label="Site content star ratings, rating 1 out of 5"></div>..." Line: 352 Column: 74 - 67
"... 5"></div><div class="devsite-rating-star devsite-rating-star-outline gc-analytics-event material-icons" data-rating-val="2" data-category="Site-Wide Custom Events" data-label="Star Rating 2" track-metadata-score="2" track-type="feedback" track-name="rating" track-metadata-position="header" role="button" aria-label="Site content star ratings, rating 2 out of 5"></div>..." Line: 358 Column: 74 - 67
"... 5"></div><div class="devsite-rating-star devsite-rating-star-outline gc-analytics-event material-icons" data-rating-val="3" data-category="Site-Wide Custom Events" data-label="Star Rating 3" track-metadata-score="3" track-type="feedback" track-name="rating" track-metadata-position="header" role="button" aria-label="Site content star ratings, rating 3 out of 5"></div>..." Line: 364 Column: 74 - 67
"... 5"></div><div class="devsite-rating-star devsite-rating-star-outline gc-analytics-event material-icons" data-rating-val="4" data-category="Site-Wide Custom Events" data-label="Star Rating 4" track-metadata-score="4" track-type="feedback" track-name="rating" track-metadata-position="header" role="button" aria-label="Site content star ratings, rating 4 out of 5"></div>..." Line: 370 Column: 74 - 67
"... 5"></div><div class="devsite-rating-star devsite-rating-star-outline gc-analytics-event material-icons" data-rating-val="5" data-category="Site-Wide Custom Events" data-label="Star Rating 5" track-metadata-score="5" track-type="feedback" track-name="rating" track-metadata-position="header" role="button" aria-label="Site content star ratings, rating 5 out of 5"></div>..."

Attribute “track-type” not allowed on element “div” at this point.

Attribute “track-name” not allowed on element “div” at this point.

Attribute “track-metadata-position” not allowed on element “div” at this point.

Attribute “name” not allowed on element “meta” at this point.

Line: 417 Column: 5 - 71
"... <meta name="gtm_var" data-key="event" data-value="trackExperiment"> <..." Line: 418 Column: 5 - 88
"...ent"> <meta name="gtm_var" data-key="experimentType" data-value="firesiteGamesExperiment"> <..." Line: 419 Column: 5 - 117
"...ent"> <meta name="gtm_var" data-key="experimentPath" data-value="/virtual/firesiteGamesExperiment/configureExperiment"> <..." Line: 420 Column: 5 - 66
"...ent"> <meta name="gtm_var" data-key="variant" data-value="variant1"> ..."

Element “meta” is missing one or more of the following attributes: “content”, “itemprop”, “property”.

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Line: 428 Column: 5 - 84
"...der"> <img class="illo-phone" src="https://firebase.google.com/images/home-top-illo-layer-phone_1x.png" srcset="https://firebase.google.com/images/home-top-illo-layer-phone_2x.png 2x"> <..." Line: 430 Column: 5 - 83
"... 2x"> <img class="illo-code" src="https://firebase.google.com/images/home-top-illo-layer-code_1x.png" srcset="https://firebase.google.com/images/home-top-illo-layer-code_2x.png 2x"> <..." Line: 432 Column: 5 - 83
"... 2x"> <img class="illo-apps" src="https://firebase.google.com/images/home-top-illo-layer-apps_1x.png" srcset="https://firebase.google.com/images/home-top-illo-layer-apps_2x.png 2x"> </d..." Line: 1843 Column: 65 - 155
"...-support"><img src="https://firebase.google.com/_static/9b77c2a144/images/feedback/ic_help_24px.svg"> ..."

Text not allowed in element “iframe” in this context.

Line: 1436 Column: 194 - 195
"...+ 40px);"><p>[This..." Line: 1436 Column: 196 - 267
"...40px);"><p>[This section requires a browser that supports JavaScript and iframes.]</p></..." Line: 1436 Column: 268 - 270
"... iframes.]</p></ifr..." Line: 1436 Column: - 271
"...rames.]</p></ifra..."

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

Line: 1580 Column: 7 - 64
"...r"> <iframe class="devsite-embedded-youtube-video" data-video-id="iosNuIdQoy8" data-list="PLl-K7zZEsYLmOF_07IayrTntevxtbUxDL" data-autohide="1" data-showinfo="0" frameborder="0" allowfullscreen> ..."

Attribute “track-type” not allowed on element “select” at this point.

Line: 1754 Column: 186 - 65
"...value="/"><select class="devsite-utility-footer-language-select kd-select" name="language" track-type="languageSelector" track-name="click"><optio..."

Attribute “track-name” not allowed on element “select” at this point.

Line: 1754 Column: 186 - 65
"...value="/"><select class="devsite-utility-footer-language-select kd-select" name="language" track-type="languageSelector" track-name="click"><optio..."

Attribute “track-type” not allowed on element “option” at this point.

Line: 1759 Column: 66 - 54
"...e="click"><option value="id" track-type="languageSelector" track-name="changed" track-metadata-eventDetail="id" track-metadata-original-language="en" track-metadata-selected-language="id"> ..." Line: 1766 Column: 20 - 54
"... </option><option value="en" selected="selected" track-type="languageSelector" track-name="changed" track-metadata-eventDetail="en" track-metadata-original-language="en" track-metadata-selected-language="en"> ..." Line: 1773 Column: 20 - 58
"... </option><option value="es-419" track-type="languageSelector" track-name="changed" track-metadata-eventDetail="es-419" track-metadata-original-language="en" track-metadata-selected-language="es-419"> ..." Line: 1780 Column: 20 - 57
"... </option><option value="pt-br" track-type="languageSelector" track-name="changed" track-metadata-eventDetail="pt-br" track-metadata-original-language="en" track-metadata-selected-language="pt-br"> ..." Line: 1787 Column: 20 - 54
"... </option><option value="ja" track-type="languageSelector" track-name="changed" track-metadata-eventDetail="ja" track-metadata-original-language="en" track-metadata-selected-language="ja"> ..." Line: 1794 Column: 20 - 57
"... </option><option value="zh-cn" track-type="languageSelector" track-name="changed" track-metadata-eventDetail="zh-cn" track-metadata-original-language="en" track-metadata-selected-language="zh-cn"> ..." Line: 1801 Column: 20 - 54
"... </option><option value="ko" track-type="languageSelector" track-name="changed" track-metadata-eventDetail="ko" track-metadata-original-language="en" track-metadata-selected-language="ko"> ..."

Attribute “track-name” not allowed on element “option” at this point.

Attribute “track-metadata-eventdetail” not allowed on element “option” at this point.

Attribute “track-metadata-original-language” not allowed on element “option” at this point.

Attribute “track-metadata-selected-language” not allowed on element “option” at this point.

Warnings

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

Line: 425 Column: 1 - 45
"...1"> <section class="firesite-row is-graphic-row"> <di..." Line: 1424 Column: 1 - 51
"...section> <section class="firesite-row is-card code-samples"> <di..." Line: 1451 Column: 1 - 38
"...section> <section class="firesite-row is-card"> <di..." Line: 1586 Column: 1 - 50
"...> </div> <section class="firesite-row firesite-footer-row"> <di..."

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firebase.com Ping

Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.

firebase.com TRACEROUTE

Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.

FIREBASE.COM Firebase | Google’s Mobile and Web App Development Platform

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firebase.com Desktop Speed Test Quick Summary

priority - 19Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

priority - 18Avoid landing page redirects

Your page has 3 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking CSS resources. This causes a delay in rendering your page.

Optimize CSS Delivery of the following:

priority - 4Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 38.2KiB (60% reduction).

firebase.com Desktop Resource Breakdown

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firebase.com Mobile Speed Test Quick Summary

priority - 67Avoid landing page redirects

Your page has 3 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

priority - 34Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 6Reduce server response time

In our test, your server responded in 0.58 seconds.

priority - 2Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 18.3KiB (40% reduction).

priority - 2Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

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priority - 0Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

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firebase.com Mobile Resource Breakdown

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firebase.com Mobile Usability Test Quick Summary

priority - 0Size tap targets appropriately

Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.

The following tap targets are close to other nearby tap targets and may need additional spacing around them.

firebase.com HTML validation

Errors

Bad value “pt-br-cn” for attribute “hreflang” on element “link”: The subtag “cn” does not match the format for any permissible subtag type.

Bad value “es-419-cn” for attribute “hreflang” on element “link”: The subtag “cn” does not match the format for any permissible subtag type.

Bad value “//fonts.googleapis.com/css?family=Google+Sans:400,500|Roboto:400,400italic,500,500italic,700,700italic|Roboto+Mono:400,500,700|Material+Icons” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.

Attribute “value” not allowed on element “meta” at this point.

Element “meta” is missing one or more of the following attributes: “content”, “property”.

Element “title” not allowed as child of element “head” in this context. (Suppressing further errors from this subtree.)

Attribute “track-type” not allowed on element “a” at this point.

Attribute “track-name” not allowed on element “a” at this point.

Attribute “track-metadata-eventdetail” not allowed on element “a” at this point.

Attribute “track-metadata-position” not allowed on element “a” at this point.

Attribute “search-placeholder” not allowed on element “form” at this point.

Attribute “track-type” not allowed on element “button” at this point.

Attribute “track-name” not allowed on element “button” at this point.

Attribute “track-metadata-position” not allowed on element “button” at this point.

No space between attributes.

Attribute “track-metadata-score” not allowed on element “div” at this point.

Attribute “track-type” not allowed on element “div” at this point.

Attribute “track-name” not allowed on element “div” at this point.

Attribute “track-metadata-position” not allowed on element “div” at this point.

Attribute “name” not allowed on element “meta” at this point.

Element “meta” is missing one or more of the following attributes: “content”, “itemprop”, “property”.

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Text not allowed in element “iframe” in this context.

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

Attribute “track-type” not allowed on element “select” at this point.

Attribute “track-name” not allowed on element “select” at this point.

Attribute “track-type” not allowed on element “option” at this point.