d21.k12.il.us D21.k12.il.us

   
Access denied | d21.k12.il.us used Cloudflare to restrict access | d21.k12.il.us | Cloudflare

Domain Summary

What is the traffic rank for D21.k12.il.us?

• D21.k12.il.us ranks #25,078,919 globally on HypeStat.

What IP addresses does D21.k12.il.us resolve to?

• D21.k12.il.us resolves to the IP addresses 188.114.97.3.

d21.k12.il.us Profile

Title:Access denied | d21.k12.il.us used Cloudflare to restrict access | d21.k12.il.us | Cloudflare Description:In early 2021, the District Equity Leadership Team (DELT) was formed to work with equity leader Dr. Ivette Dubiel and develop District 21’s Equity Action Plan. DELT members presented the plan to the Board of Education on August19, 2021. The plan outlines the District’s work to support an inclusive, supportive, and empowering learning environment for all CCSD21 students. The Board of Education unanimously adopted the plan. The Equity Action Plan outlines planned activities in each of the following five strands: Systems Teaching and Learning Student Voice, Climate, and Culture Professional Learning, and Family and Community as Agency.
Edit Site Info

d21.k12.il.us Traffic Analysis

D21.k12.il.us is ranked #25,078,919 in the world.
Daily Visitors n/a
Monthly Visits n/a
Pages per Visit n/a
Visit duration n/a
Bounce Rate n/a
Is this your site?Verify your site's metrics.
Daily Unique Visitors:
 n/a
Monthly Visits:
n/a
Pages per Visit:
n/a
Daily Pageviews:
n/a
Avg. visit duration:
n/a
Bounce rate:
n/a
Global Reach:
 n/a
HypeRank:
25,078,919
*All traffic values are estimates only.

Total Visits Last 3 Months

177
NOV
0
DEC
0
JAN

  ▼

SEMrush is a complete on line advertising and marketing platform that gives a extensive variety of gear and functions to help companies and entrepreneurs in enhancing their on line visibility and optimizing their virtual advertising and marketing strategies.
SemRushSemRush
Domain:
  d21.k12.il.us
Rank:
(Rank based on keywords, cost and organic traffic)
  n/a
Organic Keywords:
(Number of keywords in top 20 Google SERP)
  0
Organic Traffic:
(Number of visitors coming from top 20 search results)
  0
Organic Cost:
((How much need to spend if get same number of visitors from Google Adwords)
  $0.00
Full SEMrush Report >>
Last update was 152 days ago
     
This can take up to 60 seconds. Please wait...

*HypeStat.com is not promoting or affiliated with d21.k12.il.us in any way. Only publicly available statistics data are displayed.

Ad Experience Report ▼

Summary of the ad experience rating of a website for a specific platform.

Mobile summary

Root domain:
d21.k12.il.us
Ad filtering:
(Chrome is not filtering ads on your site.)
Off
Status:
(The status of the site that is reviewed for the Better Ads Standards.)
Not reviewed

Desktop summary

Root domain:
d21.k12.il.us
Ad filtering:
(Chrome is not filtering ads on your site.)
Off
Status:
(The status of the site that is reviewed for the Better Ads Standards.)
Not reviewed

Abusive Experience Report ▼

Summary of the abusive experience rating of a website.
Root domain:
d21.k12.il.us
Enforcement:
(Chrome is not preventing your site from opening new windows or tabs.)
Off
Status:
(The status of the site reviewed for the abusive experiences.)
Not reviewed

Where is d21.k12.il.us hosted? ▼

D21.k12.il.us may be hosted in multiple data centers distributed in different locations around the world. This is probably just one of them.
Server IP:
188.114.97.3
ASN:
AS13335 
ISP:
Cloudflare Inc 
Server Location:


 

Other sites hosted on 188.114.97.3

How fast does d21.k12.il.us load? ▼

The average loading time of d21.k12.il.us is 30 ms. The Desktop speed index is 94 and mobile speed index is 0.
Average Load Time:
30 ms

Page Speed (Google PageSpeed Insights) - Desktop

94
0-49 50-89 90-100 i

Field Data

Over the last 30 days, the field data shows that this page has a FAST speed compared to other pages in the Chrome User Experience Report.We are showing the 90th percentile of FCP and the 95th percentile of FID.

Cumulative Layout Shift (CLS)0ms 97% of loads for this page have a fast (<0.01s) Cumulative Layout Shift (CLS) 97% 2% of loads for this page have an average (0.01s ~ 0.025s) Cumulative Layout Shift (CLS) 2% 0% of loads for this page have a slow (>0.025s) Cumulative Layout Shift (CLS) 0%
Time To First Byte (TTFB)572ms 85% of loads for this page have a fast (<0.8s) Time To First Byte (TTFB) 85% 8% of loads for this page have an average (0.8s ~ 1.8s) Time To First Byte (TTFB) 8% 5% of loads for this page have a slow (>1.8s) Time To First Byte (TTFB) 5%
First Contentful Paint (FCP)1.4s 77% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 77% 5% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 5% 17% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 17%
First Input Delay (FID)0 0% of loads for this page have a fast (<0ms) First Input Delay (FID) 0% 0% of loads for this page have an average (0ms ~ 0ms) First Input Delay (FID) 0% 0% of loads for this page have a slow (>0ms) First Input Delay (FID) 0%
Interaction To Next Paint (INP)79ms 98% of loads for this page have a fast (<200ms) Interaction To Next Paint (INP) 98% 0% of loads for this page have an average (200ms ~ 500ms) Interaction To Next Paint (INP) 0% 0% of loads for this page have a slow (>500ms) Interaction To Next Paint (INP) 0%
Largest Contentful Paint (LCP)2.2s 76% of loads for this page have a fast (<2500ms) Largest Contentful Paint (LCP) 76% 6% of loads for this page have an average (2500ms ~ 4000ms) Largest Contentful Paint (LCP) 6% 16% of loads for this page have a slow (>4000ms) Largest Contentful Paint (LCP) 16%

Origin Data

All pages served from this origin have an FAST speed compared to other pages in the Chrome User Experience Report. over the last 30 days.To view suggestions tailored to each page, analyze individual page URLs.

Cumulative Layout Shift (CLS)1ms 91% of loads for this page have a fast (<0.01s) Cumulative Layout Shift (CLS) 91% 4% of loads for this page have an average (0.01s ~ 0.025s) Cumulative Layout Shift (CLS) 4% 4% of loads for this page have a slow (>0.025s) Cumulative Layout Shift (CLS) 4%
Time To First Byte (TTFB)640ms 82% of loads for this page have a fast (<0.8s) Time To First Byte (TTFB) 82% 10% of loads for this page have an average (0.8s ~ 1.8s) Time To First Byte (TTFB) 10% 6% of loads for this page have a slow (>1.8s) Time To First Byte (TTFB) 6%
First Contentful Paint (FCP)1.0s 84% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 84% 6% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 6% 9% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 9%
First Input Delay (FID)0 0% of loads for this page have a fast (<0ms) First Input Delay (FID) 0% 0% of loads for this page have an average 0ms ~ 0ms) First Input Delay (FID) 0% 0% of loads for this page have a slow (>0ms) First Input Delay (FID) 0%
Interaction To Next Paint (INP)59ms 98% of loads for this page have a fast (<200ms) Interaction To Next Paint (INP) 98% 0% of loads for this page have an average (200ms ~ 500ms) Interaction To Next Paint (INP) 0% 0% of loads for this page have a slow (>500ms) Interaction To Next Paint (INP) 0%
Largest Contentful Paint (LCP)1.3s 87% of loads for this page have a fast (<2500ms) Largest Contentful Paint (LCP) 87% 4% of loads for this page have an average (2500ms ~ 4000ms) Largest Contentful Paint (LCP) 4% 7% of loads for this page have a slow (>4000ms) Largest Contentful Paint (LCP) 7%

Lab Data

Largest Contentful Paint 1.3 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn more about the Largest Contentful Paint metric
First Contentful Paint 0.7 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more about the First Contentful Paint metric
Time to Interactive 1.5 s
Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric
Speed Index 0.7 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more about the Speed Index metric
INP breakdown  
Start investigating by looking at the longest subpart. how to improve INP
Total Blocking Time 130 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more about the Total Blocking Time metric
LCP request discovery  
by making the LCP image discoverable from the HTML immediately, and avoiding lazy-loading Optimize LCP
Max Potential First Input Delay 100 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric

Does d21.k12.il.us use compression? ▼

Website compression is the process of reducing the size of website files, such as HTML, CSS, JavaScript, and image files, to improve website performance and load times. Compressing website files can significantly reduce the amount of data that needs to be transferred from the server to the user's browser, resulting in faster page load times and improved user experience. Files on d21.k12.il.us are reduced by 70%.
d21.k12.il.us use br compression.
Original size: 7.05 KB
Compressed size: 2.07 KB
File reduced by: 4.98 KB (70%)

Google Safe Browsing ▼

Google Safe Browsing is a service provided by Google that helps protect users from visiting websites that may contain malicious or harmful content, such as malware, phishing attempts, or deceptive software.
This site is not currently listed as suspicious

MyWot.com Reputation Ratings

MyWOT (short for "My Web of Trust") is a web-based reputation and rating service that provides users with information about the trustworthiness and safety of websites.
Status:
  SAFE

SSL Checker - SSL Certificate Verify ▼

An SSL (Secure Sockets Layer) certificate is a digital certificate that establishes a secure encrypted connection between a web server and a user's web browser. It provides authentication and encryption, ensuring that data transmitted between the server and the browser remains private and protected. d21.k12.il.us supports HTTPS.
 d21.k12.il.us supports HTTPS
     
Verifying SSL Support. Please wait...
Common Name: d21.k12.il.us
Organization:
Location:
Issuer: WE1
Valid from: Feb 8 18:08:25 2026 GMT
Valid until: May 9 19:04:18 2026 GMT
Authority: CA:FALSE
Keysize:
Common Name: WE1
Organization: Google Trust Services
Location: US
Issuer: GTS Root R4
Valid from: Dec 13 09:00:00 2023 GMT
Valid until: Feb 20 14:00:00 2029 GMT
Authority: CA:TRUE
Keysize:
Common Name: GTS Root R4
Organization: Google Trust Services LLC
Location: US
Issuer: GlobalSign Root CA
Valid from: Nov 15 03:43:21 2023 GMT
Valid until: Jan 28 00:00:42 2028 GMT
Authority: CA:TRUE
Keysize:

Verify HTTP/2 Support ▼

HTTP/2 (Hypertext Transfer Protocol version 2) is a major revision of the HTTP protocol, which is the foundation of data communication on the World Wide Web. It was developed as an improvement over the previous HTTP/1.1 version to enhance web performance and efficiency.
 d21.k12.il.us supports HTTP/2
     
Verifying HTTP/2.0 Support. Please wait...

Http Header ▼

HTTP headers are extra portions of records despatched among a consumer (which include an internet browser) and a server at some stage in an HTTP request or response. They offer instructions, metadata, or manipulate parameters for the conversation among the consumer and server. 
date: Mon, 09 Mar 2026 16:55:59 GMT
content-type: text/html; charset=UTF-8
cache-control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
expires: Thu, 01 Jan 1970 00:00:01 GMT
referrer-policy: same-origin
nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
x-frame-options: SAMEORIGIN
report-to: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=GUODMHZIqvPCS6YHUSbHNcRlyPl4MF4iueUe3%2BNhvLD1Ks1pU0z8Ha3t7Ykk9eBB2kx56Fy9n1JVvt3%2F%2Fy1jTNspYv9%2BSaplE09fQbpNUjXvIR6gxA0ecKQ%3D"}]}
content-encoding: br
server: cloudflare
cf-ray: 9d9b9c42ac4e590f-FRA

DNS Lookup ▼

DNS entries (Domain Name System) are a critical component of the Internet infrastructure. They act as directories that translate human-readable domain names (such as example.com) to machine-readable IP addresses. DNS records are stored on DNS servers and help forward internet traffic efficiently.
Type Ip Target/Txt TTL
HINFO 3600

Whois Lookup ▼

Domain WHOIS is a public database that provides information about domain names, including registered owners, contact information, domain registrars, registration and expiration dates, name servers, and other relevant information.
WhoIs:
 

No Data Found
>>> Last update of WHOIS database: 2026-03-09T16:56:43Z