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SEO Report for stsci.edu

December 1, 2019 7:11 PM
Desktop screen Desktop screenshot for stsci.edu

SEO SCORE

Favicon for stsci.edustsci.edu
55

6 criteria passed
5 criteria to solve

PERFORMANCE OPPORTUNITIES

Make your title tag clear, concise and include your most important keywords.
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Make all versions of your website point to the same URL.
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OVERVIEW

• Category
Science  >  Space / Astronomy
• Online since
• Age
33 years, 1 month, 25 days
• Alexa Rank
#216.339, stsci.edu is in the world's top 1 million websites
• Owner
Space Telescope Science Institute (See more)

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SEO

SSL Certificate
Great, this website is SSL secured (HTTPS).
The certificate issued by Internet2 is valid from September 24, 2019 to September 24, 2021.
Title Tag
Home
Length: 4 (recommended: 10 to 70)
Meta Description
The Space Telescope Science Institute helps humanity explore the universe with advanced space telescopes and ever-growing data archives.
Length: 136 (recommended: 50 to 160)
Google preview
Desktop Version

Home

https://stsci.edu

The Space Telescope Science Institute helps humanity explore the universe with advanced space telescopes and ever-growing data archives.

Mobile Version

Favicon for stsci.edu https://stsci.edu

Home

The Space Telescope Science Institute helps humanity explore the universe with advanced space telescopes and ever-growing data arc...

Encoding
Great, language/character encoding is specified: utf-8
URL Resolve

No 301 redirects are in place to redirect traffic to your preferred domain. Pages that load successfully both with and without www. are treated as duplicate content! Not all versions of your page point to the same URL.

Robots.txt
No robots.txt file was found on this page.
URL Parameters
Great, the domain URLs look clean.
Attribute Value
viewport width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=2, user-scalable=yes

SEMANTIC ANALYSIS

The results of our semantic analysis are shown below using the website's language.

They are the main concepts covered by stsci.edu.

Each concept has a confidence score. The higher it is, the more important the topic is relative to the page.

Topics
Space Telescope Science Institute Confidence: 89% Arrow up

The Space Telescope Science Institute (STScI) is the science operations center for the Hubble Space Telescope (HST; in orbit since 1990) and for the James Webb Space Telescope (JWST; scheduled to be launched in 2018).

STScI is located on the Johns Hopkins University Homewood Campus in Baltimore, Maryland and was established in 1981 as a community-based science center that is operated for NASA by the Association of Universities for Research in Astronomy (AURA).

Today, in addition to performing continuing science operations of HST and preparing for scientific exploration with JWST, STScI manages and operates the (MAST), the Data Management Center for the Kepler mission and a number of other activities benefiting from its expertise in and infrastructure for supporting the operations of space-based astronomical observatories.

Most of the funding for STScI activities comes from contracts with NASA's Goddard Space Flight Center but there are smaller activities funded by NASA's Ames Research Center, NASA’s Jet Propulsion Laboratory, and the European Space Agency (ESA).

The staff at STScI consists of scientists (mostly astronomers and astrophysicists), software engineers, data management and telescope operations personnel, education and public outreach experts, and administrative and business support personnel.

There are approximately 100 Ph.D.

scientists working at STScI, 15 of which are ESA staff who are on assignment to the HST project.

The total STScI staff consists of about 450 people.

Universe Confidence: 71% Arrow up

The Universe is all of time and space and its contents.

It includes planets, moons, minor planets, stars, galaxies, the contents of intergalactic space, and all matter and energy.

The size of the entire Universe is unknown.

Space telescope Confidence: 64% Arrow
Human Confidence: 63% Arrow

TRAFFIC

This website is ranked #216.339 by Alexa.

This rank is traffic based. The lower the rank is, the better the domain is ranked.

Alexa data for stsci.edu

Daily visitors by country

  • stsci.edu daily visitors distribution - Total: 2 countries
  • Flag for United States of AmericaUnited States of America (37.1%)
  • Flag for IndiaIndia (14.3%)
  • Flaf icon for other countryOthers (48.6%)

Traffic country ranks

Country Rank
Flag for United States of AmericaUnited States of America #94.568
Flag for IndiaIndia #109.298

LAYOUT

Doctype HTML 4.01 Arrow Responsive website, mobile-friendly. Arrow

Mobile Rendering

This website seems to be optimized for Mobile Visitors.

Phone
How stsci.edu looks like on a mobile device such as an iPhone.

Tablet
How stsci.edu looks like on a tablet such as an iPad.

Main colors used

These are the main HTML color codes used by this website. Arrow
  • 21% #503050
  • 12% #604070
  • 9% #302030
  • 9% #402040
  • 9% #805080
  • 7% #906090
  • 6% #605080
  • 5% #505090
  • 5% #101020
  • 3% #9070a0
  • 1% #5090c0
  • 1% #d0a0c0

Text/code ratio

stsci.edu's text/code ratio is 2.63%. It's a bit low. Consider raising it by adding more text content of value for your visitors, or keeping your code clean.
Text / Code Ratio 2.63%

A good text to HTML ratio is anywhere from 25 to 70%.

This percentage refers to the visible text ratio, as opposed to HTML elements, image tags and other non-visible information.

Main HTML tags

Headings Arrow up

Great, we found headings on this page.

  • <H1> 0
  • <H2> 14
  • <H3> 2
  • <H4> 0
  • <H5> 0
  • <H6> 0

However, you have not defined a top level heading, or <H1>. It is used to define the most important heading.

We recommend using one top level heading to set up a semantic relationship between that heading and the remainder of the content on a page. It clearly describes to the readers and the search engines what it is about.

<H2>
2nd level heading
Space telescope science ınstitute
Main navigation
Breadcrumbs navigation
Hero section
Masthead banner
<H3>
3rd level heading
ıntroducing the ullyses program
Newsletters: 2019, volume 36, ıssue 03 released
Alt attributes Arrow up

We found 47 images on this website.
20 ALT attributes are missing on your image tags. The issue affects 11 actual different images that could be loaded more than once in your page.

Alternative text allows you to add a description to an image.

Google rely on alternative text attributes to determine relevance to a search query. Alternative text also makes an image more likely to appear in a Google image search.

It looks like you're missing alternative text for 20 images on stsci.edu. Check your website to make sure it's specified for each image on the page.

SOCIAL

This is an overview of your homepage shares on social networks.

It seems you have a very poor social media presence.

Follow these tips to build a better relationship with your audience : set smart goals, identify your audience, be human, seek relationships, create an editorial calendar, automate, focus on helping, optimize for engagement, get visual, stay active and create great content.

  • Facebook iconFacebook
  • Total Engagement 0
  • Likes 0
  • Shares 0
  • Comments 0
  • Pinterest iconPinterest 0
  • Linkedin iconLinkedin 0
  • Stumbleupon iconStumbleupon 0

DOMAIN

Registration Date 06/12/1987 33 years, 1 month, 25 days ago
Last Modified 09/26/2019 10 months, 14 days ago
Expiration Date 07/31/2020 Expired

SERVER

Server map
  • Service Provider (ISP)
  • Space Telescope Science Institute
  • IP Address
  • 130.167.201.50
  • Country
  • Flag for United StatesUnited States
  • Region
  • Maryland , Baltimore
  • Latitude and Longitude
  • 39.3248 : -76.6062

OWNER

The owner's whois contact information is public.
Organization
Space Telescope Science Institute
Address
3700 San Martin Drive
City
Baltimore
Zip
21218
State
MD
Country
USA
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