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noirlab.edu favicon noirlab.edu

Excellent Practice21
Improvement Could be Made15
Critical Issues to Attend13
Feb 2, 2025 06:36 PM

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Detailed Reviews

Related Category
Most related categories of this website.

art   comics   institute   library   museum   science   television   video  

Title
NOIRLab

Words count: 1    Unique Words: 1    Length: 7 characters
[ To optimize the page title, Use this SEO Title Optimizer ]

The title is too short! that has less than 10 characters.

The title will be displayed in search engine results in the form of a direct link to the site.

Tips:
1. ideally, the title should contain 10 to 70 characters, including spaces. (Google displays up to 70 characters in the title, and takes into account only the first 12 words.)
2. put the most important and relevant keywords in the title, try not to repeat any word.
3. each individual page should have a unique title.
Description
Words count: 0    Length: 0 characters
[ To optimize the page description, Use this SEO Meta Description Optimizer ]


Meta Description is not set.

Meta Descriptions provide concise explanations of the contents of web pages, that are commonly used by search engines on search result pages to display preview snippets for a given page.

Tips:
1. it is best to keep meta descriptions between 70-160 characters.
2. a readable, compelling description using important keywords can draw a much higher click-through rate of searchers to the given web page.
3. avoid keyword stuffing, ensure each page has its own unique description.
Google SERP Preview
NOIRLab www.noirlab.edu/

[ To optimize this Google SERP preview, Use this Google SERP Optimizer ]

Page description is missing.

an optimized SERP snippet will have a higher click through rate.

Tips:
1. make sure the title is clear, simple, straight to the point.
2. make sure the description is relevant and properly summarized the page content.
Keywords
Words count: 0    Length: 0 characters    keyword phrases count : 0

Meta Keywords is not set.
[ To optimize the meta keywords, Use this SEO Meta Keywords Optimizer ]

Meta keywords should not be ignored, though they are not a major ranking factor for most of search engines nowadays. A Meta keywords tag is supposed to be a brief and concise list of the most important themes of your page

Tips:
1. keep your list of keywords or keyword phrases down to 10 - 20 unique words or phrases.
2. separate the words or phrases using a comma (you do not need to leave a space between words separated by commas).
3. do not repeat words or phrases.
4. put your most important word or phrases at the beginning of your list.
Keywords Cloud
This keywords cloud gives your an idea of what are those important keywords appears in your website.

ann  announcements  astronomy  camera  center  cerro  chile  community  data  educational  energy  events  foundation  galaxies  gemini  hellip  images  iotw  jan  mdash  meter  national  ndash  news  noirlab  nsf  observatory  press  programs  project  read  release  rsquo  rubin  science  south  stars  telescope  tololo  years 

Top 20 Keywords
Total Terms Count: 2,676

Excellent! No terms has a density of more than 3%, all are optimized to be within 1% - 3%.

Top 20 terms occurance and density
KeywordIn DomainIn TitleIn DescriptionIn Heading In Body Density
telescope 75 2.80%
noirlab 56 2.09%
observatory 53 1.98%
mdash 45 1.68%
meter 38 1.42%
rubin 37 1.38%
science 32 1.20%
nsf 31 1.16%
national 23 0.86%
rsquo 23 0.86%
news 22 0.82%
read 21 0.78%
hellip 20 0.75%
programs 19 0.71%
gemini 18 0.67%
south 18 0.67%
release 18 0.67%
chile 17 0.64%
cerro 16 0.60%
events 16 0.60%

keyword density can be used as a factor in determining whether a web page is relevant to a specified keyword or keyword phrase.


Tips:
1. the optimum keyword density to be 1.0% - 3.0%. Using a keyword more than that could be considered search spam.
2. overuse of keywords, a practice called keyword stuffing, will cause a web page to be penalized.
Highlight
<H1><H2><H3><H4><H5><H6><B><U><I><EM><STRONG>Total
033280001012065

Excellent! The page is using HTML headings (<H1> - <H6>) and inline emphasis tags (<EM><B><I><EM><STRONG>)

<H2>

(33)
Press Releases
NSF–DOE Vera C. Rubin Observatory Will Detect Millions of Exploding Stars
DECam and Gemini South Discover Three Tiny ‘Stellar-Ghost-Town’ Galaxies
Dark Energy Camera Captures the Glittering Galaxies of the Antlia Cluster
NSF NOIRLab Launches 88 Constellations Project
Dark Energy Camera Spies the Outskirts of the Swirling Southern Pinwheel Galaxy
Announcements
Images of the Week
Comet C/2024 G3 (ATLAS) Gleams Above Cerro Pachón
Dust and Dark Energy above CTIO
Research on the Ridge
A Global Epicenter for Astronomy
A Stream of Anticrepuscular Rays
Navigating the Milky Way
The Milky Way’s Unusual Twin in Pegasus
Happy Holidays 2024
Mountaintop Neighbors
The Path to Observation
Learn More
Telescopes and Instrumentation
NOIRLab Stories Blog
Site Maps
Globe at Night
Join Our Social Media Channels
Gemini South’s IGRINS Detects Surprising Signatures in Dynamic Atmosphere of Exoplanet WASP-121b
A Sketch Says a Thousand Words
NSF NOIRLab Astronomers and the Vista Variables in the Vía Láctea Survey
Crafting a Legacy in the NOIRLab Instrument Shop
Leinani Lozi Honored with 40 Under 40 Award
Our Programs
NOIRLab Contact
Discovering Our Universe Together

<H3>

(28)
Come visit our observatories!
Rubin Observatory Digest for 28 January 2025
Project & Science News
Testing, Testing! NSF–DOE Vera C. Rubin Observatory Completes Comprehensive System Tests With Flying Colors
January Issue of The NOIRLab Mirror Highlights News and Milestones for the NSF NOIRLab Community
Rubin Digest 19 December 2024
Project and Science News
Rubin Digest 26 November 2024
Project and Science News
NEID Earth Twin Survey Delivers On Its Goal to Push the Limits of Exoplanet Discovery
NSF NOIRLab and Gemini Welcomed Visitors to AstroDay 2024 in Kona
Rubin Digest 05 November 2024
Project and Science News
Viaje al Universo 2024 Brings Astronomy to Chile Classrooms
NSF–DOE Rubin Observatory Test Camera Sees the Sky
NSF NOIRLab Convenes Panel About Community-based Astronomy on Maunakea
Rubin Digest 15 October 2024
Project and Science News
Rubin Team Installs Primary Mirror
Join the Hunt for Asteroids Orbiting White Dwarf Stars
Rubin Digest 01 October 2024
Project and Science News
NOIRLab Telescopes Partner in New Observatory Coordination Service
New Public and Education Programs Starting at Kitt Peak National Observatory
SMARTS Telescopes Return to Service
NSF NOIRLab to Jointly Lead New AI Institute Funded by U.S. National Science Foundation and Simons Foundation
Rubin Digest 10 September 2024
Project and Science News
<B> (1)NSF NOIRLab (U.S. National Science Foundation National Optical-Infrared Astronomy Research Laboratory) is the U.S. national center for ground-based, nighttime optical astronomy. The Association of Universities for Research in Astronomy, Inc. (AURA) operates these facilities and NSF NOIRLab under a cooperative agreement with the U.S. National Science Foundation (NSF).
<I> (1)
<EM> (2)The NOIRLab Mirror
Viaje al Universo 2024


HTML headings and emphasis tags are the most basic forms to indicate important content.

Tips:
1. use your keywords in the headings and make sure the first level heading (<H1>) includes the most important keywords.
2. never duplicate the title tag content in the heading tags.
3. for more effective SEO, use only one <H1> tag per page
Reading Level
39

The page text content is a bit too difficult to be read and understood!

Ensure your page content text can be read and understood by most of your site visitors. not too difficult nor too simple.

Tips:
1. a score below 30, indicates the text content is too difficult to be read and understood.
2. a sore above 80, may suggest that the site is lack of in-depth and expertise of its topics (low quality content).
3. an optimal reading level score shall be 50-70.
Language
en Excellent! the website declared its language in use.

the detected language is : en

Declare the language in use can help search engine to better understand and rendering your page, especially when special characters are encountered.
Page Encoding
utf-8 Excellent! the website declared its character encoding.

Declare the character encoding can help search engine to better rendering your page, especially when it comes to
non-asii characters.
Favicon
Excellent! the website has a shortcut favicon image.

RSS
http://noirlab.edu/public/news/feed/ Excellent! the website has a RSS (Really Simple Syndication) Feed for quick publishing.

Robots.txt
Robots.txt is not presented for the site.

Robots.txt file can be used to regulate access of search engine crawlers, properly configured robots.txt file can help
crawlers to better understand your website.

Tips:
1. grand robots access to those pages you wish them to crawl.
2. restrict access to those pages you do not wish search engines to see and crawl.
XML Sitemap
XML Sitemap is not presented for the site.
[ To generate XML sitemap, Use this XML Sitemap Generator ]

Sitemap helps search engine crawler to identify your website pages.

Tips:
1. ensure all your important pages are listed in the sitemap.
2. ensure to indicate the frequency of change and importance of each url.
3. inform search engines of the location/URL of your sitemap (eg, For Google, you can set the website sitemap location through Google Webmaster management panel).
Loading Time
0.66 seconds - 28.43 Kb/s

Excellent! the site is pretty fast and it takes less than 1 second to load.

Estimated loading time for different internet connections
Modem
(56Kbits/s)
Mobile/HSDPAM
(7.2Mbits/s)
ADSL
(8Mbits/s)
Cable
(30Mbits/s)
Optical Fibre
(100Mbits/s)
2.68 s 0.02 s 0.02 s 0.01 s 1.50 ms

Site speed is becoming an crucial ranking factor. Slow page loading is one of the biggest complains of web users. If the loading time is too long, you may need to check your server, network, or system codes and structure.

Tips:
1. ideal loading time is less than 1 seconds, if it take more than 5 seconds to load your site, likely users will run out of patience, so do search engines.
2. improve your SEO by optimizing your website to have a small size and faster responding server.
Total Size
19 Kb (18,766 bytes)

The page is a bit too small, it may not have enough relevant content to rank well!

Page size affects the speed of your website.

Tips:
1. try to keep you page size between 30K-150K
2. put javascript and style sheet in separate files, and link them to the main page.
3. use optimized images for web and set up your server with gzip for downloading
Text To Code Ratio
Total Size Text Size HTML Code Size Text/HTML Code Ratio
19 Kb (18,766 bytes) 22 Kb (21,709 bytes) -3 Kb (-2,943 bytes) 0 %


The Text/HTML Code Ratio is a bit too low, you may not have enough content to rank well!

the ratio of text to HTML code should always be above 15% for good SEO gain,
it is below 15% then that means that your website probably needs more text content.

Tips:
1. a ratio between 25% and 70% is ideal, when it goes beyond than that, the page might run the risk of being considered as spam. As long as the content is relevant and gives essential information, it is a plus point to have more of it.
2. improve your SEO by adding more relevant text to your pages and also increasing your keyword density.
Flash
Excellent! No flash component is detected on this page.

Flash content can not be properly indexed by search engines, and normally flash file is large in size, which slow down the loading of your page.

Tips:
1. avoid flash content whenever possible if you wish to have a fast and SEO friendly website.
Frame
Excellent! No frame is detected on this page.

Framesets and individual frames could cause problem for search engine to crawl your pages

Tips:
1. avoid frames whenever possible.
2. search engines do not like frames.
3. use iframe instead if you really have no choice.
Inline CSS
4 Inline CSS components are detected on this page.

It is a good practice to move inline CSS rules into an external CSS file in order to make your page lighter and increasing the text to code ratio.

Tips:
1. move inline css rules to external css file.
2. separate style from html.
Nested Table
Excellent! No nested table is detected on this page (nested table : 0, total table : 0)

nested tables could slow down page rendering and lead to bad user experience.

Tips:
1. avoiding <table> for your page layout.
2. using <div> instead of <table>.
Plain Text Email
1 Email Address (i***@noirlab.edu) was detected on this page.

Redirect Count
2 redirections were detected for loading this page.

Using HTTPS
Excellent! HTTPS is used for your page.

WWW Resolve
Excellent! the websites http://www.noirlab.edu and http://noirlab.edu are resolved to the same url :https://noirlab.edu/public/

Search Engines treat URLs with or without "www" as two different records.

Tips:
1. edit your .htaccess file and permanently redirect one to the other (eg redirect www.mysite.com to mysite.com).
IP Canonicalization
Excellent! IP address of the site http://44.239.229.40 is forwarded to its domain name site https://noirlab.edu/public/.

URL Rewrite
Non SEO Friendly URLs
http://noirlab.edu/public/?lang=en
http://noirlab.edu/public/?lang=es
http://noirlab.edu/public/news/archive/search/?id=noao
http://noirlab.edu/public/events/?type=ED&type=TT&type=CS&type=LC&upcoming=1
http://noirlab.edu/public/events/?type=ED&type=TT&type=CS&type=LC&upcoming=0
http://noirlab.edu/public/events/?audience=P&upcoming=1
http://noirlab.edu/public/events/?type=LC&audience=P&upcoming=1
http://noirlab.edu/public/events/?type=TT&audience=P&upcoming=1
http://noirlab.edu/public/events/?type=EX&audience=P&upcoming=1
http://noirlab.edu/public/events/?type=CS&audience=P&upcoming=1
http://noirlab.edu/public/events/?type=ED&audience=P&upcoming=1
http://noirlab.edu/public/events/?type=T&audience=P&upcoming=1
http://noirlab.edu/public/events/?type=PE&audience=P&upcoming=1
http://noirlab.edu/public/events/?type=C&audience=P&upcoming=1
http://noirlab.edu/public/events/?upcoming=0


You may use url rewrite techniques to make these 15 urls to be SEO friendly.

clean, short and relevant URLs are favoured by users and search engines

Tips:
1. use url rewrite to turn dynamic pages with query parameters into seo friendly static pages.
2. put your important keywords in the url.
3. good urls are not only user friendly but also seo friendly.
Underscore In URL
URLs with underscore
http://noirlab.edu/public/newsletters/noirlab-e_and_e/
http://noirlab.edu/public/announcements/archive/e_and_e/


You have 2 Urls with underscore.

Search Engines treat hyphen as word separator, they do not treat underscore as word separator.


Tips:
1. use hyphen "-" instead of underscore "_" to optimize your page url.
2. help search engines to better understand your url, eventually will benefit your page`s ranking.
Links
Internal Links
(link to pages within this domain)
External Links
(link to pages on other websites)
Total
471 9 480


Too many links (480), it may be considered as spam!

Internal Links (link to pages within this domain) - 471
URL Anchor Text
http://noirlab.edu/#contentSkip to main content
http://noirlab.edu/public
http://noirlab.edu/public/?lang=enen
http://noirlab.edu/public/?lang=eses
http://noirlab.edu/public/about/contacts/Contact
http://noirlab.edu/public/subscribe/Newsletter
http://noirlab.edu/public/about/About
http://noirlab.edu/public/about/careers/Careers
http://noirlab.edu/public/about/contacts/Contacts & Travel
http://noirlab.edu/public/about/contacts/tucson/Travel to NOIRLab HQ
http://noirlab.edu/public/about/contacts/aura-recinto/Travel to AURA Recinto
http://noirlab.edu/public/about/contacts/gemini-north-base/Travel to Hilo Base Facility
http://noirlab.edu/public/about/contacts/tucson-kpno/Travel to KPNO
http://noirlab.edu/publi...bout/contacts/gemini-north-maunakea/Travel to Maunakea
http://noirlab.edu/public/about/contacts/cerro-pachon/Travel to Cerro Pachón
http://noirlab.edu/public/about/contacts/cerro-tololo/Travel to Cerro Tololo
http://noirlab.edu/public/visits/Visits
http://noirlab.edu/public/about/visits/public-visits/Public Visits
http://noirlab.edu/public/visits/kitt-peak-national/Kitt Peak National Observatory
http://noirlab.edu/public/visits/gemini-north-telescope/Gemini North telescope
http://noirlab.edu/public/visits/gemini-north-base-facility/Gemini Hilo Base Facility, Haw...
http://noirlab.edu/public/visits/noirlab-hq/NOIRLab Headquarters, Tucson, ...
http://noirlab.edu/public/visits/cerro-tololo-chile/Cerro Tololo telescopes, Chile
http://noirlab.edu/public/visits/cerro-pachon-chile/Gemini South and SOAR at Cerro...
http://noirlab.edu/public/visits/aura-recinto/AURA Recinto, La Serena, Chile
http://noirlab.edu/public/about/visits/media-visits/Media Visits
http://noirlab.edu/science/about/governanceGovernance
http://noirlab.edu/public/about/leadership/Leadership
http://noirlab.edu/science/about/scientists-at-noirlabNOIRLab Scientific Staff
http://noirlab.edu/public/about/timeline/NOIRLab Timeline
http://noirlab.edu/public/about/about-aura/About AURA
http://noirlab.edu/public/about/history-of-noao/History of NOAO
http://noirlab.edu/public/about/logo/Logo
http://noirlab.edu/public/about/abbreviations-and-acronyms/Acronyms
http://noirlab.edu/public/about/staff-prizes/Staff Prizes
http://noirlab.edu/public/about/light-pollution/Light Pollution & Satellite Co...
http://noirlab.edu/publi...-pollution/satellite-constellations/Satellite Constellations
http://noirlab.edu/publi.../programs-to-protect-the-dark-skies/Programs
http://noirlab.edu/publi...t/light-pollution/work-with-the-iau/IAU Center
http://noirlab.edu/publi...t/light-pollution/important-reports/Important Reports
http://noirlab.edu/public/about/broader-impacts/Broader & Social Impacts
http://noirlab.edu/public/about/broader-impacts/arizona/NOIRLab and Arizona
http://noirlab.edu/public/about/broader-impacts/hawaii/NOIRLab and Hawai‘i
http://noirlab.edu/public/about/broader-impacts/chile/NOIRLab and Chile
http://noirlab.edu/science/libraryLibrary Services
http://noirlab.edu/public/about/discoveries/Discoveries
http://noirlab.edu/public/about/faqs/FAQs
http://noirlab.edu/public/programs/Programs
http://noirlab.edu/public/programs/ctio/Cerro Tololo
http://noirlab.edu/publi...ams/ctio/victor-blanco-4m-telescope/Víctor M. Blanco 4-meter Teles...
http://noirlab.edu/publi...io/victor-blanco-4m-telescope/decam/Dark Energy Camera (DECam)
http://noirlab.edu/publi...o/victor-blanco-4m-telescope/cosmos/COSMOS
http://noirlab.edu/publi.../victor-blanco-4m-telescope/newfirm/NEWFIRM
http://noirlab.edu/public/programs/ctio/soar-telescope/SOAR Telescope
http://noirlab.edu/publi...rograms/ctio/soar-telescope/goodman/Goodman
http://noirlab.edu/publi.../programs/ctio/sara-south-telescope/SARA Cerro Tololo Telescope
http://noirlab.edu/publi...grams/ctio/curtis-schmidt-telescope/Curtis Schmidt Telescope
http://noirlab.edu/publi...ograms/ctio/andes-lidar-observatory/Andes Lidar Observatory
http://noirlab.edu/public/programs/ctio/ctio-gong/CTIO GONG
http://noirlab.edu/publi.../programs/ctio/kmtnet-16m-telescope/KMTNet 1.6-meter Telescope
http://noirlab.edu/publi...grams/ctio/wisconsin-h-alpha-mapper/Wisconsin H-Alpha Mapper
http://noirlab.edu/publi...rams/ctio/evryscope-south-telescope/Evryscope-South Telescope
http://noirlab.edu/public/programs/ctio/t80-south-telescope/T80-South Telescope
http://noirlab.edu/#SMARTS Telescopes
http://noirlab.edu/publi...grams/ctio/smarts-gsu-15m-telescope/SMARTS–GSU 1.5-meter Telescope
http://noirlab.edu/publi...tio/planetary-defense-13m-telescope/Planetary Defense 1.3-meter Te...
http://noirlab.edu/publi...ctio/planetary-defense-1m-telescope/Planetary Defense 1.0-meter Te...
http://noirlab.edu/publi...grams/ctio/smarts-gsu-09m-telescope/SMARTS–GSU 0.9-meter Telescope
http://noirlab.edu/#PROMPT
http://noirlab.edu/public/programs/ctio/prompt1/PROMPT-1 Telescope
http://noirlab.edu/public/programs/ctio/prompt2/PROMPT-2 Telescope
http://noirlab.edu/public/programs/ctio/prompt3/PROMPT-3 Telescope
http://noirlab.edu/public/programs/ctio/prompt5/PROMPT-5 Telescope
http://noirlab.edu/public/programs/ctio/prompt6/PROMPT-6 Telescope
http://noirlab.edu/public/programs/ctio/prompt7/PROMPT-7 Telescope
http://noirlab.edu/#Las Cumbres Observatory
http://noirlab.edu/public/programs/ctio/lco/1m-telescope4/Las Cumbres Observatory 1-mete...
http://noirlab.edu/public/programs/ctio/lco/1m-telescope5/Las Cumbres Observatory 1-mete...
http://noirlab.edu/public/programs/ctio/lco/1m-telescope9/Las Cumbres Observatory 1-mete...
http://noirlab.edu/public/programs/ctio/lco/04m-telescope9/Las Cumbres Observatory 0.4-me...
http://noirlab.edu/public/programs/ctio/lco/04m-telescope12/Las Cumbres Observatory 0.4-me...
http://noirlab.edu/#MEarth-South Observatory
http://noirlab.edu/publi...th-south-observatory/04m-telescope1/MEarth-South Observatory 0.4-m...
http://noirlab.edu/publi...th-south-observatory/04m-telescope2/MEarth-South Observatory 0.4-m...
http://noirlab.edu/publi...th-south-observatory/04m-telescope3/MEarth-South Observatory 0.4-m...
http://noirlab.edu/publi...th-south-observatory/04m-telescope4/MEarth-South Observatory 0.4-m...
http://noirlab.edu/publi...th-south-observatory/04m-telescope5/MEarth-South Observatory 0.4-m...
http://noirlab.edu/publi...th-south-observatory/04m-telescope6/MEarth-South Observatory 0.4-m...
http://noirlab.edu/publi...th-south-observatory/04m-telescope7/MEarth-South Observatory 0.4-m...
http://noirlab.edu/publi...th-south-observatory/04m-telescope8/MEarth-South Observatory 0.4-m...
http://noirlab.edu/publi.../thai-southern-hemisphere-telescope/Thai Southern Hemisphere Teles...
http://noirlab.edu/publi...al-observatory-deep-south-telescope/US Naval Observatory Deep Sout...
http://noirlab.edu/publi.../programs/ctio/dimm2-seeing-monitor/DIMM2 Seeing Monitor
http://noirlab.edu/publi.../programs/ctio/dimm1-seeing-monitor/DIMM1 Seeing Monitor
http://noirlab.edu/public/programs/ctio/ssi-airglow/SSI Airglow
http://noirlab.edu/public/programs/ctio/rasicam/RASICAM
http://noirlab.edu/public/programs/ctio/asas-sn-2/ASAS-SN 2
http://noirlab.edu/public/programs/ctio/asas-sn-5/ASAS-SN 5
http://noirlab.edu/public/programs/ctio/cams/CAMS Chile
http://noirlab.edu/publi...ograms/ctio/microobservatory-donald/MicroObservatory Donald
...

External Links (link to pages on other websites) - 9
URL Anchor Text
https://astroambassadors.com/ACEAP
https://www.globeatnight.org/Globe at Night
https://www.facebook.com/NOIRLabAstro/
https://twitter.com/NOIRLabAstro
https://www.instagram.com/noirlabastro/
https://www.youtube.com/c/noirlabastro
https://www.linkedin.com/company/noirlab
https://aura-astronomy.org
https://nsf.gov/U.S. National Science Foundati...

reasonable number of links (below 100) per page will give a better user experience.


Tips:
1. keep the number of links per page below 100.
2. having more than 100 links in a single page will lead to a bad user experience, and it possibly runs into the risk of been considered as spam.
3. search engines may not follow all the links if you have too many of them in a single page.
Images
Total Images Alt Present Alt Missing
41 40 1


1 images do not have Alt values.

Image URL - 41
URL ALT Text
https://matomo.noirlab.edu/matomo.php?idsite=1&rec=1
https://noirlab.edu/public/media/archives/logos/svg/logo001.svgNOIRLab Logo
http://noirlab.edu/public/static/images/icons/globe.3955b61199e5.pngSite language icon
http://noirlab.edu/public/media/archives/images/thumb350x/ann20019a.jpgRubin Observatory Logo
http://noirlab.edu/public/media/archives/images/thumb350x/ann25002a.jpgComCam Engineering Test Image
http://noirlab.edu/public/media/archives/images/thumb350x/ann25001a.jpgThe NOIRLab Mirror – January 2...
http://noirlab.edu/public/media/archives/images/thumb350x/ann20019a.jpgRubin Observatory Logo
http://noirlab.edu/public/media/archives/images/thumb350x/ann20019a.jpgRubin Observatory Logo
http://noirlab.edu/public/media/archives/images/thumb350x/ann24034a.jpgArtist’s Illustration of Exopl...
http://noirlab.edu/public/media/archives/images/thumb350x/ann24033a.jpgActive Optics Demonstration at...
http://noirlab.edu/public/media/archives/images/thumb350x/ann20019a.jpgRubin Observatory Logo
http://noirlab.edu/public/media/archives/images/thumb350x/ann24032a.jpgStudents taking part in a pres...
http://noirlab.edu/public/media/archives/images/thumb350x/ann24031a.jpgGroup Photo with Rubin Commiss...
http://noirlab.edu/public/media/archives/images/thumb350x/ann24030a.jpgLeinani Lozi at First Gigayear...
http://noirlab.edu/public/media/archives/images/thumb350x/ann20019a.jpgRubin Observatory Logo
http://noirlab.edu/public/media/archives/images/thumb350x/ann24035a.jpgRubin's 8.4-meter primary/tert...
http://noirlab.edu/public/media/archives/images/thumb350x/ann24029a.jpgNOIRLab Launches Exoasteroids ...
http://noirlab.edu/public/media/archives/images/thumb350x/ann20019a.jpgRubin Observatory Logo
http://noirlab.edu/public/media/archives/images/thumb350x/ann24028a.jpgNOIRLab Telescope Mosaic
http://noirlab.edu/publi...dia/archives/images/thumb350x/xBD201805-00354-007_CC.jpgKitt Peak National Observatory
http://noirlab.edu/public/media/archives/images/thumb350x/iotw2348a.jpgThe Cosmic Road from Cerro Tol...
http://noirlab.edu/public/media/archives/images/thumb350x/ann24026a.jpgNSF and Simons Foundation
http://noirlab.edu/public/media/archives/images/thumb350x/ann20019a.jpgRubin Observatory Logo
http://noirlab.edu/public/media/archives/images/thumb300y/highlight015a.jpgTelescopes and Instrumentation
http://noirlab.edu/public/media/archives/images/thumb300y/highlight013a.jpgNOIRLab Stories Blog
http://noirlab.edu/public/media/archives/images/thumb300y/highlight012a.jpgSite Maps
http://noirlab.edu/public/media/archives/images/thumb300y/highlight005a.jpgGlobe at Night
http://noirlab.edu/public/media/archives/images/thumb300y/highlight007b.jpgJoin Our Social Media Channels
http://noirlab.edu/publi...images/logos/blog/noirlab-stories-white.a59a21e13fa7.pngLogo of the NOIRLab stories sh...
http://noirlab.edu/public/static/images/logos/cerro-tololo.21d134821593.svgLogo of the Cerro Tololo Inter...
http://noirlab.edu/public/static/images/logos/csdc.7dd8473c4869.svgLogo of the Community Science ...
http://noirlab.edu/public/static/images/logos/kitt-peak.79548e8ffd54.svgLogo of the Kitt Peak National...
http://noirlab.edu/public/static/images/logos/gemini.8b2edab20355.svgLogo of the International Gemi...
http://noirlab.edu/public/static/images/logos/rubin.5c24062bba5b.svgLogo of the Vera C. Rubin Obse...
http://noirlab.edu/public/static/images/logos/noirlab-white.119c4c1b31f3.svgNOIRLab Logo
http://noirlab.edu/public/static/images/icons/facebook.96b67aa9e712.svgContact Facebook Logo
http://noirlab.edu/public/static/images/icons/x-twitter.0b166c56bacf.svgContact Twitter Logo
http://noirlab.edu/public/static/images/icons/instagram.617ef9e99ce4.svgContact Instagram Logo
http://noirlab.edu/public/static/images/icons/youtube.8dd45d5e8cb0.svgContact Youtube Logo
http://noirlab.edu/public/static/images/icons/linkedin.5f3d643c6c90.svgContact Linkedin Logo
http://noirlab.edu/public/static/images/logos/aura-logo-lightbg.27d33a9a38bd.pngAURA Logo


search engines cannot `see` images, proper Alt content will help them to better understand and index images.

Tips:
1. always add alt attributes to images. Alt is mandatory for accessibility and for valid XHTML.
2. words used within an image`s Alt attribute should be its text equivalent and convey the same information.
3. use a human-readable caption and descriptive text around the image.
CSS
Style Block In Same Page Links to External Style Files Total
0 3 3


Excellent! all stylesheets are kept in separate files.

Links To External Stylesheet Files - 3
Stylesheet URL rel type
http://noirlab.edu/public/static/css/main.198922238b18.cssstylesheettext/css
https://use.typekit.net/rvz4ctg.cssstylesheet
http://noirlab.edu/public/static/css/extras.848297eab8fd.cssstylesheettext/css

Script
Scripts Block In Same Page Links to External Script Files Total
4 1 5


You have 4 script blocks in the same file, try to put them in a separate file.

Links To External Script Files - 1
Script URL Type
http://noirlab.edu/public/static/js/main.759f38791482.jstext/javascript

put scripts together and link them from an external files rather then put them in the same file as the main page.

Tips:
1. reduce the use of in-page scripts, put them in separate files and link them in.
2. reduce the number of external script files, it will help browser to make lesser number of http requests from the server.
3. optimize or compress the script files to have smaller size and faster loading.
Blog Or News Release
Link to Blog / News Release Page
http://noirlab.edu/public/blog/NOIRLab Stories Blog


Excellent! we have found blog linked to your site.

Having a blog is a great way to provide fresh content and retain users, search engines favour it too.


Tips:
1. regularly update your blog and provide fresh and quality content.
2. relevant blogs of your website topics, generate more credits in the eyes of your visitors, as well as search engines.
DMOZ Listing
No

Your site is not listed in the DMOZ Open Directory. DMOZ Open Directory Project

Google Analytics
Analytics Service is not implemented for the site.

Social Media Integration
Excellent! your site is well integrated with social media networks.

Facebook Pagehttps://www.facebook.com/NOIRLabAstro/
Twitter Accounthttps://twitter.com/NOIRLabAstro
Google+ PageNot Found


Trustworthiness
0

No Trustworthiness Score is calculated for the site.

0
0 - 19 20 - 39 40 - 59 60 - 79 80 - 100
Very Poor Poor Unsatisfactory Good Excellent


Users are concerned about the safety of their online transactions. Trustworthiness rating is based on real user ratings and that tells you how much other users trust this site, so do the serch engines. note: this trustworthiness score is provided by WOT (Web of Trust).

Tips:
1. pay attention to the look and design of your site, many people look for visual cues when assessing a site`s credibility
2. make your site easy to use, sites that are easy to navigate are perceived as being more trustworthy.
3. make it easy for user to contact you, users will be more comfortable and feel more secured shall they need to get in touch with you.
Child Safe
0 No Child Safe Score is calculated for the site.

0
0 - 19 20 - 39 40 - 59 60 - 79 80 - 100
Very Poor Poor Unsatisfactory Good Excellent


Safe Browsing
Safe! the site noirlab.edu is NOT currently listed as suspicious, most-likely it is clean from malware and phining code [ verify this by Google Safe Browsing ]

Ensure that your site is malware free and does not cause harm to users` computers.

Tips:
1. do not put virus, malicious worms, adwares, trojans, spywares and suspicious phishing code in your server.
2. take suspicious behaviours seriously, have a regular check-up and monitor closely of your server`s log files.
3. if your site is black-listed by Google as suspicious, clean it up before requesting for a review.
Traffic Rank
Your site is not among the most visited 1 million websites in the world.
Websites On Same Server
Excellent! You domain noirlab.edu is the only one hosted on the server (ip : 44.239.229.40).

Too many domains hosted on the same server is an indicator that you are not really serious about your website, and your site will have a higher chance to be surrounded by bad neighbours.

Tips:
1. the fewer domains hosted on the same server/ip the better.
2. avoid shared hosting whenever possible, especially when there are already hundreds or thousands of sites are hosted on the same server.
3. dedicated ip or resources for your site not only do good to your site visitors but also favoured by search engines.
Server Location
your server (IP : 44.239.229.40) is located at United States  
ensure your server is not located far away from most of your site visitors.
HTTP Compression
No

your website server does not support HTTP Compression.

Caching
No

your website server does not support Caching.

Server Signature
Excellent! the website server signature is off.

A secure and safe server is not only good for your site visitors but also good for search engines.

Tips:
1. server software version information can be utilized by malicious visitors to attack your server.
2. by turning off the server signature, you actually have made your server a little bit more secure.
3. for Apache server - edit the apache2.conf or the .htaccess file to turn server signature off.
Domain Age
4 years, 246 days old ( 1st registered on : 2020-06-02 )


[ To check the detailed whois info, Use this Whois Lookup Tool ]

excellent, the domain age is old enough.

Domain Expires
0 years, 177 days from today ( expires on : 2025-07-31 )


[ To check the detailed whois info, Use this Whois Lookup Tool ]

domain is expiring in less than a year.

Domain Info
noirlab.edu ( 11 characters )

Domain Registrar : EDUCASE

[ To check the detailed whois info, Use this Whois Lookup Tool ]

Domain Created On Last Modified On Expires On
2020-06-02 2024-07-25 2025-07-31
4 years, 246 days old 0 years, 193 days ago 0 years, 177 days from today
4 years, 246 days old


Domain Name Servers used by noirlab.edu
DNS Name IP Address
noirlab.edu44.239.47.51


Domain is going to expire in less than a year time (0 years, 177 days from today), try to renew it for more than one year!

domain name choice and domain age are crucial for SEO.

Tips:
1. keep the domain name short and relevant to the content, which will be easier to be remembered and related to.
2. older domain tends to be more trustworthy.
3. register a domain for more than 1 year, and search engine will think it is a serious business.

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