tgcat.mit.edu
Registered
Page analyze update date:
2025/09/24 15:40:10
Last whois update date:
2026/02/26 21:26:27
Domain Status
Registered
Paid till
31.07.2026
Available from
30.08.2026
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![Fullscreen website screenshot]()
tgcat.mit.edu Website screenshot
SEO Score
31.51%
46
Score achieved
146
Maximum score
Main Information
Title: TGCat : Chandra Gratings Catalog and Archive
Description: TGCat The Chandra Transmission Gratings Catalog and Archive. Search, Browse, Plot, and Download Calibrated and Reviewed Gratings Spectra from all Chandra ACIS/HRC Gratings Observations
Keywords: Chandra,Chandra Xray Observatory,Gratings,Gratings Catalog,Gratings Archive,Archive,ACIS,HRC,HETG,LETG,Transmission Gratings,tgcat,TGCat
Page Encoding:
utf-8
Page Filesize: 9 KB
Server Information
IP: 18.25.66.210
Location: United States,US,Cambridge,02139,42.3649,-71.0987,America/New_York
Encoding: utf-8
Whois Information
update_date: 15-Jan-2026
update_time: 1768435200
expiration_date: 31-Jul-2026
expiration_time: 1785456000
Whois Raw Data
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by EDUCAUSE for information purposes in order to
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or related to .edu domain registration records.
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A Web interface for the .EDU EDUCAUSE Whois Server is
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domain names.
-------------------------------------------------------------
Domain Name: MIT.EDU
Registrant:
Massachusetts Institute of Technology
77 Massachusetts Ave
Cambridge, MA 02139
USA
Administrative Contact:
Olu Brown
Massachusetts Institute of Technology
MIT Room W92-159, 77 Massachusetts Avenue
Cambridge, MA 02139-4307
USA
+1.6172587870
[email protected]
Technical Contact:
MIT Network Operations
Massachusetts Institute of Technology
MIT Room W92-167, 77 Massachusetts Avenue
Cambridge, MA 02139-4307
USA
+1.6172538400
[email protected]
Name Servers:
EUR5.AKAM.NET
USW2.AKAM.NET
ASIA1.AKAM.NET
USE5.AKAM.NET
USE2.AKAM.NET
ASIA2.AKAM.NET
NS1-173.AKAM.NET
NS1-37.AKAM.NET
Domain record activated: 23-May-1985
Domain record last updated: 15-Jan-2026
Domain expires: 31-Jul-2026
SEO Audit
Technical SEO
✓
Response Code
HTTP/1.1 200 OK
Status 200 OK - page loads correctly.
✓
Character Encoding
Page: utf-8, Header: utf-8
Character encoding consistent between HTML and headers.
✓
Page Size
10124 bytes
Page size acceptable for fast loading.
✓
Resources
0 total
Optimal number of resources.
✓
Hreflang Tags
hreflang tags
Add hreflang tags if you have multilingual content.
!
Robots.txt
Missing
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Sitemap
Not found
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!
HTTPS
No
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!
Compression
Not detected
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!
Caching
Not set
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!
Page Speed
Unknown
Load time not measured.
On-Page SEO
✓
Title
TGCat : Chandra Gratings Catalog and Archive
Good title length (30-60 characters).
!
Meta Description
TGCat The Chandra Transmission Gratings Catalog and Archive. Search, Browse, Plot, and Download Calibrated and Reviewed Gratings Spectra from all Chandra ACIS/HRC Gratings Observations Lenght:184
Meta description too long. Reduce to 100-160 characters.
!
H1 Heading
0 found - ""
Add exactly one H1 heading with primary keywords.
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Word Count
Content very short. Aim for at least 500 words for better SEO.
!
Canonical Tag
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✓
Duplicate Meta
[]
No duplicate meta tags found.
✓
Keywords
Chandra,Chandra Xray Observatory,Gratings,Gratings Catalog,Gratings Archive,Archive,ACIS,HRC,HETG,LETG,Transmission Gratings,tgcat,TGCat
Meta keywords set (note: not used by major search engines).
Content and UX
!
Language
Add lang attribute to tag for accessibility and SEO.
✓
Images
0 total, 0 missing ALT
All images have proper ALT text.
!
Viewport
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Open Graph
Missing: og:title, og:description, og:image, og:url
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Structured Data
JSON-LD scripts
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Positions in Google
Search Phrases - Google
| Position | Phrase | Page | Snippet |
|---|---|---|---|
| 3 | / |