Favicon of https://britannica.com

Performance report for britannica.com

Encyclopedia Britannica | Britannica
New Test
24.04.2024 08:24

Last Status

check_circle
Working

Page Size and Load Time

Load Size148.13 KB
Load Size (With Resources)589.08 KB
Load Time0.72s
Load Time (With Resources)8.24s

Google PageSpeed

Observer Loading Gif

Performance Suggestions

ImportanceRuleDescription
High
The H1 Tag info
No H1 tag was found on your site. Learn more.
High
Image Alt Tags info
Your site contains images without alt tags. You should add alt tags to these images for better accessibility. Learn how to use images in your site.
High
Number of Different Resources Your Site Connects To info
Your site is communicating with 39 different resources. To reduce your site's loading time, we recommend hosting these resources in a common location as much as possible. You can view the resources your site connects to by clicking the details button.
Medium
Meta Description info
The length of your page's meta description exceeds the ideal range of 120-160 characters. You should shorten your description.
Medium
Meta Title info
The length of your page's meta title is below the ideal range of 50-60 characters. You should detail your title a bit more.
Medium
Heading Hierarchy info
The heading structure on your page does not follow a logical sequence. Below, you can see the order of headings. These headings should be arranged in a correct hierarchy. Learn more.
Medium
Image Occupied Space info
Your site contains images without a specified occupied space. You should approximately define the space these images will occupy. Learn how to use images in your site.
Medium
Browser Console Errors info
Your site has encountered error logs in the browser while loading. These can be reviewed under the "Console Logs" tab in the Observer dashboard. While some errors are critical, such as the failure to load a JavaScript file, others may be minor. We recommend examining these errors to address any issues on your site.
Low
Script File Sizes on Your Site info
Your site contains script files with high file sizes. Learn more.

check_circle Passed Audits (6) expand_more

Domain Info

Domain Info
  • Expiration Date:
  • Status:
  • Contact Info
  • Registrar:
  • Author:
  • Company:
  • Addres:
DNS Info
NS Records:
    ns-243.awsdns-30.com
ns-829.awsdns-39.net
ns-1567.awsdns-03.co.uk
ns-1050.awsdns-03.org
MX Records:
    
    
    
IP Addresses (A Record):
    3.229.182.158
3.217.145.186
TXT Records:
    ca3-34d513380a624c15b1894f20512d2ca8
ca3-5187b5f7e89c48ce9ac11ac4ad4ba681
facebook-domain-verification=yx5oj1072bsq69m7blcnrkktdu6h4h
google-site-verification=icsmobxtnqow6gnvw0lq292qimjlqmxwpq6tofizgy4
v=spf1 a -all

Console Logs

WARNING:Autocomplete not properly configured. Missing "input" option.
https://cdn.britannica.com/mendel-resources/3-114/...
WARNING:fun-hooks: referenced 'adpod' but it was never created
https://ads.adthrive.com/builds/core/3e4496a/gdpr/...
WARNING:Autocomplete not properly configured. Missing "input" option.
https://cdn.britannica.com/mendel-resources/3-114/...
INFO:%cLogger::_setLoggerExperiments dialedDownLogsExperiment result color: #999; font-weight: bold; JSHandle@array
https://ads.adthrive.com/builds/core/3e4496a/es5/j...
INFO:%cLogger::_setLoggerExperiments dialedDownLogsExperiment result color: #999; font-weight: bold; JSHandle@array
https://ads.adthrive.com/builds/core/3e4496a/es5/j...
ERROR:TypeError: Cannot read property 'replace' of undefined at Z.getOS (https://gdpr.privacymanager.io/latest/gdpr.bundle.js:2:38627) at Z.getResult (https://gdpr.privacymanager.io/latest/gdpr.bundle.js:2:38782) at https://gdpr.privacymanager.io/latest/gdpr.bundle.js:2:39293 at Object.819 (https://gdpr.privacymanager.io/latest/gdpr.bundle.js:2:39428) at o (https://gdpr.privacymanager.io/latest/gdpr.bundle.js:2:51482) at https://gdpr.privacymanager.io/latest/gdpr.bundle.js:2:90360 at https://gdpr.privacymanager.io/latest/gdpr.bundle.js:2:139570 at https://gdpr.privacymanager.io/latest/gdpr.bundle.js:2:139573
ERROR:TypeError: window.__tcfapi.start is not a function at HTMLScriptElement.cmp.onload (https://gdpr-wrapper.privacymanager.io/gdpr/34233849-5500-4e44-8601-5006ae8d13fe/gdpr-liveramp.js:1:437222)
ERROR:Failed to load resource: the server responded with a status of 403 ()
https://pb-ing.ccgateway.net/v1.0/parent/8fea659f1...
WARNING:AT: metric element not found JSHandle@object
https://cdn.britannica.com/mendel-resources/3-114/...
INFO:JSHandle@object
INFO:JSHandle@array
WARNING:The resource https://www.googletagservices.com/tag/js/gpt.js was preloaded using link preload but not used within a few seconds from the window's load event. Please make sure it has an appropriate `as` value and it is preloaded intentionally.
https://www.britannica.com/

Resources Waterfall

Wait/Blocking TimeURLDomainTypeSize
0.00s
8.24s
www.britannica.com
27.29 KB
0.76s
0.16s
www.googletagservices.com
Javascript
95.42 KB
0.78s
0.12s
fonts.googleapis.com
Font
626.00 B
0.78s
0.10s
cdn.britannica.com
CSS
0.78s
0.10s
cdn.britannica.com
CSS
0.78s
0.10s
cdn.britannica.com
CSS
0.78s
0.36s
cdn.britannica.com
Javascript
0.78s
0.30s
cdn.britannica.com
Image
0.78s
0.30s
cdn.britannica.com
Image
0.78s
0.34s
cdn.britannica.com
Image
0.78s
0.40s
cdn.britannica.com
Image
0.78s
0.34s
cdn.britannica.com
Image
0.80s
0.34s
cdn.britannica.com
Image
0.80s
0.26s
cdn.britannica.com
Javascript
0.80s
0.42s
www.googletagmanager.com
Google Tag Manager
0.80s
0.40s
static.cloudflareinsights.com
JS/V55BFA2FEE65D44688E90C00735ED189A1713218998793
0.94s
0.32s
www.googletagmanager.com
Javascript
0.94s
0.22s
ads.adthrive.com
Javascript
1.20s
0.06s
cdn.britannica.com
Image
1.22s
0.12s
fonts.gstatic.com
Font
175.72 KB
1.40s
0.00s
cdn.britannica.com
Image
1.40s
0.02s
cdn.britannica.com
Image
1.40s
0.36s
cdn.britannica.com
Image
1.42s
0.34s
cdn.britannica.com
Image
1.42s
0.42s
cdn.britannica.com
Image
1.42s
0.38s
cdn.britannica.com
Image
1.42s
0.44s
cdn.britannica.com
Image
1.44s
0.47s
cdn.britannica.com
Image
1.44s
0.44s
cdn.britannica.com
Image
1.44s
0.46s
cdn.britannica.com
Image
1.44s
0.46s
cdn.britannica.com
Image
1.44s
0.47s
cdn.britannica.com
Image
1.44s
0.56s
cdn.britannica.com
Image
1.44s
0.48s
cdn.britannica.com
Image
1.44s
0.58s
cdn.britannica.com
Image
1.44s
0.52s
cdn.britannica.com
Image
1.44s
0.54s
cdn.britannica.com
Image
1.44s
0.54s
cdn.britannica.com
Image
1.44s
0.56s
cdn.britannica.com
Image
1.44s
0.56s
cdn.britannica.com
Image
1.44s
0.58s
cdn.britannica.com
Image
1.44s
0.58s
cdn.britannica.com
Image
1.44s
0.66s
cdn.britannica.com
Image
1.44s
0.68s
cdn.britannica.com
Image
1.44s
0.70s
cdn.britannica.com
Image
1.44s
0.72s
cdn.britannica.com
Image
1.44s
0.72s
cdn.britannica.com
Image
1.44s
0.82s
cdn.britannica.com
Image
1.46s
0.50s
insitez.blob.core.windows.net
Javascript
1.90s
0.36s
cdn.britannica.com
Javascript
1.96s
0.28s
www.britannica.com
Javascript
1.78 KB
2.44s
0.14s
encyclopaediabritann.tt.omtrdc.net
1.20 KB
2.62s
0.66s
ads.adthrive.com
2.62s
0.20s
c.amazon-adsystem.com
Javascript
2.62s
0.20s
securepubads.g.doubleclick.net
Javascript
95.46 KB
2.62s
0.44s
ads.adthrive.com
Javascript
2.62s
0.06s
ads.adthrive.com
2.64s
0.56s
ads.adthrive.com
Javascript
2.64s
0.14s
ads.adthrive.com
Javascript
2.94s
0.34s
webstats.eb.com
Image
3.44s
0.20s
www.googletagmanager.com
Google Tag Manager
3.48s
0.20s
static.ads-twitter.com
Javascript
3.50s
0.26s
connect.facebook.net
Javascript
60.13 KB
3.52s
0.35s
www.clarity.ms
3.54s
0.26s
cdn-magiclinks.trackonomics.net
Javascript
4.06s
0.02s
c.amazon-adsystem.com
Javascript
4.12s
0.10s
securepubads.g.doubleclick.net
Javascript
143.90 KB
4.12s
0.10s
securepubads.g.doubleclick.net
858.00 B
4.54s
0.06s
ads.adthrive.com
HTML
4.56s
0.26s
gdpr-wrapper.privacymanager.io
Javascript
4.64s
0.06s
cdn.britannica.com
CSS
4.64s
0.08s
cdn.britannica.com
Javascript
4.72s
0.00s
4.72s
0.00s
4.72s
0.00s
4.72s
0.00s
4.72s
0.00s
4.72s
0.00s
4.74s
0.16s
www.google-analytics.com
Javascript
5.06s
0.06s
region1.analytics.google.com
Google Analytics
5.06s
0.20s
stats.g.doubleclick.net
Google Ads
5.06s
0.22s
www.google.de
408.00 B
5.16s
0.14s
www.clarity.ms
Javascript
5.36s
0.20s
t.co
5.36s
0.18s
analytics.twitter.com
5.46s
0.01s
connect.facebook.net
12.21 KB
5.68s
0.12s
fundingchoicesmessages.google.com
5.78s
0.03s
www.google-analytics.com
Javascript
5.84s
0.08s
gdpr.privacymanager.io
Javascript
5.94s
0.11s
cdn.jwplayer.com
6.30s
0.08s
cdn.confiant-integrations.net
Javascript
6.30s
0.10s
launchpad-wrapper.privacymanager.io
Javascript
6.42s
0.00s
ads.adthrive.com
CSS
6.44s
0.06s
config.aps.amazon-adsystem.com
6.44s
0.11s
c.amazon-adsystem.com
6.54s
0.48s
pb-ing.ccgateway.net
0/PARENT/8FEA659F19/ENGAGEMENT/TRIGGER/PAGE_LOAD
6.68s
0.00s
6.68s
0.00s
6.68s
0.00s
6.68s
0.00s
6.68s
0.12s
www.facebook.com
7.18s
0.02s
www.google-analytics.com
Google Analytics
7.36s
0.07s
cdn.confiant-integrations.net
Javascript
7.44s
0.06s
launchpad.privacymanager.io
Javascript
7.52s
0.10s
aax.amazon-adsystem.com
7.54s
0.12s
aax.amazon-adsystem.com
7.56s
0.42s
a.clarity.ms
7.70s
0.02s
geo.privacymanager.io
8.26s
0.02s
www.britannica.com
204.00 B
8.32s
0.18s
mboxedge37.tt.omtrdc.net
1.17 KB
8.52s
0.04s
c.clarity.ms
Image
9.34s
0.10s
a.clarity.ms

Ready to maximize your campaign efficiency Experience the Observer Advantage

Select free plan to meet or have a powerful assistant that includes all our features.