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Whois & Analysis for

Mar 16, 2023 10:08 am UTC


The owner has chosen to keep his whois contact information private.
• Contact Name
• Address
• City
• Zip Code
• State
• Country
• Phone Number
• Email
Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
• Domain Registrar
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9 criteria passed
2 criteria to solve


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• Domain Owner
• Category
• Online since
April 30, 1993 Explore Wayback Machine
• Age
31 years, 28 days


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SSL Certificate
This website is not SSL secured (HTTPS), the certificate issued by Amazon has expired on October 10, 2023.
Title Tag
California Academy of Sciences in San Francisco, CA
Length: 51 (recommended: 10 to 70)
Meta Description
The California Academy of Sciences is a science museum—and scientific and educational institution—located in San Francisco's Golden Gate Park.
Length: 146 (recommended: 50 to 160)
Google preview
Desktop Version

California Academy of Sciences in San Francisco, CA

The California Academy of Sciences is a science museum—and scientific and educational institution—located in San Francisco's Golden Gate Park.

Mobile Version

California Academy of Sciences in San Francisco, CA

The California Academy of Sciences is a science museum—and scientific and educational institution—located in San Francisco's Golde...

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.

URL Parameters
Great, the domain URLs look clean.
Attribute Value
robots max-image-preview:large
viewport width=device-width, initial-scale=1


The owner has associated the following topics to the website.

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

They are the main concepts covered by

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

Golden Gate Park Confidence: 92% Arrow up

Golden Gate Park, located in San Francisco, California, United States, is a large urban park consisting of of public grounds.

It is administered by the San Francisco Recreation & Parks Department, which began in 1871 to oversee the development of Golden Gate Park.

Configured as a rectangle, it is similar in shape to but 20 percent larger than Central Park in New York City, to which it is often compared.

It is over three miles long east to west, and about half a mile north to south.

With 24 million visitors annually, Golden Gate is the third most-visited city park in the United States after Central Park and the Lincoln Memorial.

California Academy of Sciences Confidence: 87% Arrow up

The California Academy of Sciences is a research institute and natural history museum in San Francisco, California, that is among the largest museums of natural history in the world, housing over 46 million specimens.

The Academy began in 1853 as a learned society and still carries out a large amount of original research.

The institution is located at the Golden Gate Park in San Francisco.

Science museum Confidence: 80% Arrow up

Entrance to the Science Museum of Virginia.

A science museum is a museum devoted primarily to science.

Older science museums tended to concentrate on static displays of objects related to natural history, paleontology, geology, industry and industrial machinery, etc.

Modern trends in museology have broadened the range of subject matter and introduced many interactive exhibits.

Modern science museums, increasingly referred to as 'science centres' or 'discovery centres', also feature technology.

San Francisco Confidence: 75% Arrow up

San Francisco (Spanish for "Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California.

The city proper is the fourth most populous in California, with 815,201 residents, and covers a land area of, at the end of the San Francisco Peninsula, making it the second most densely populated large U.S. city after New York City and the fifth most densely populated U.S. county, behind only four of the five New York City boroughs.

Among the 91 U.S. cities proper with over 250,000 residents, San Francisco was ranked first by per capita income and sixth by aggregate income.

Colloquial nicknames for San Francisco include SF, San Fran, The, Frisco, and Baghdad by the Bay.


Page on which speed is tested live:

Chrome User Experience Report Results

Lighthouse Results

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Doctype HTML5 Arrow Responsive website, mobile-friendly. Arrow

Mobile Rendering

This website seems to be optimized for Mobile Visitors.

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

How looks like on a tablet such as an iPad.

Main colors used

These are the main HTML color codes used by this website. Arrow
  • 30% #f0f0f0
  • 21% #0070d0
  • 10% #80d030
  • 7% #0050b0
  • 3% #ffb020
  • 2% #0040a0
  • 2% #003090
  • 2% #003080
  • 1% #300000
  • 1% #f0b020
  • 1% #601000
  • 1% #200000

Text/code ratio's text/code ratio is 5.36%. 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 5.36%

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> 2
  • <H2> 8
  • <H3> 13
  • <H4> 0
  • <H5> 0
  • <H6> 0
Top level heading
Explore your world from the heart of golden gate park.
Original text
2nd level heading
Steinhart aquarium
Morrison planetarium
Osher rainforest
Kimball natural history museum
Exhibits and experiences for explorers of all ages
3rd level heading
Hidden wonders
Living worlds
Join, renew, or donate
Alt attributes Arrow up

We found 18 images on this website.
5 ALT attributes are missing on your image tags.

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 5 images on Check your website to make sure it's specified for each image on the page.


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

Congratulations, your website is highly shared on social media! It's an excellent signal for your overall SEO strategy.

  • Facebook iconFacebook
  • Total Engagement 14.397
  • Likes 8.285
  • Shares 5.129
  • Comments 983


Registration Date 04/30/1993 31 years, 28 days ago
Last Modified 05/01/2022 2 years, 27 days ago
Expiration Date 05/01/2032 7 years, 11 months, 7 days from now
Nameservers Arrow up
Host IP Address Country Flag for IrelandIreland Flag for United StatesUnited States Flag for IrelandIreland


Server map
  • Service Provider (ISP)
  •, Inc.
  • IP Address
  • Country
  • Flag for United StatesUnited States
  • Region
  • Oregon , Portland
  • Latitude and Longitude
  • 45.5235 : -122.676