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SEO Report for rcsb.org

November 23, 2019 10:55 AM
Desktop screen Desktop screenshot for rcsb.org

SEO SCORE

Favicon for rcsb.orgrcsb.org
69

8 criteria passed
3 criteria to solve

PERFORMANCE OPPORTUNITIES

Make your meta description eloquent and appealing, neither too short nor too long.
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Make all versions of your website point to the same URL.
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OVERVIEW

• Category
Technology & Computing
• Online since
February 27, 1998 (explore Wayback Machine)
• Age
21 years, 12 months
• Alexa Rank
#33.035, rcsb.org is in the world's top 50.000 websites!

FREE FORM BUILDER

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SEO

SSL Certificate
Great, this website is SSL secured (HTTPS).
The certificate issued by Internet2 is valid from April 5, 2018 to April 5, 2020.
Title Tag
RCSB PDB: Homepage
Length: 18 (recommended: 10 to 70)
Meta Description
As a member of the wwPDB, the RCSB PDB curates and annotates PDB data according to agreed upon standards. The RCSB PDB also provides a variety of tools and resources. Users can perform simple and advanced searches based on annotations relating to sequence, structure and function. These molecules are visualized, downloaded, and analyzed by users who range from students to specialized scientists.
Length: 397 (recommended: 50 to 160)
Google preview
Desktop Version

RCSB PDB: Homepage

https://rcsb.org

As a member of the wwPDB, the RCSB PDB curates and annotates PDB data according to agreed upon standards. The RCSB PDB also provides a variety of tools and resources...

Mobile Version

Favicon for rcsb.org https://rcsb.org

RCSB PDB: Homepage

As a member of the wwPDB, the RCSB PDB curates and annotates PDB data according to agreed upon standards. The RCSB PDB also provid...

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.

URL Parameters
Great, the domain URLs look clean.
Attribute Value
author RCSB Protein Data Bank
distribution Global
rating General
viewport width=device-width, initial-scale=1

SEMANTIC ANALYSIS

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

They are the main concepts covered by rcsb.org.

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

Topics
Worldwide Protein Data Bank Confidence: 73% Arrow up

The Worldwide Protein Data Bank, wwPDB, is an organization that maintains the archive of macromolecular structure.

Its mission is to maintain a single Protein Data Bank Archive of macromolecular structural data that is freely and publicly available to the global community.

Structure Confidence: 68% Arrow up

Structure is an arrangement and organization of interrelated elements in a material object or system, or the object or system so organized.

Material structures include man-made objects such as buildings and machines and natural objects such as biological organisms, minerals and chemicals.

Abstract structures include data structures in computer science and musical form.

Types of structure include a hierarchy (a cascade of one-to-many relationships), a network featuring many-to-many links, or a lattice featuring connections between components that are neighbors in space.

Protein Data Bank Confidence: 68% Arrow up

The Protein Data Bank (PDB) is a crystallographic database for the three-dimensional structural data of large biological molecules, such as proteins and nucleic acids.

The data, typically obtained by X-ray crystallography, NMR spectroscopy, or, increasingly, cryo-electron microscopy, and submitted by biologists and biochemists from around the world, are freely accessible on the Internet via the websites of its member organisations (PDBe, PDBj, and RCSB).

The PDB is overseen by an organization called the Worldwide Protein Data Bank, wwPDB.

Data Confidence: 66% Arrow
Sequence Confidence: 64% Arrow

WEBSITE SPEED

rcsb.org website speed is normal. Page speed is important for visitors and search engines.

Get insights to improve your page loading time.

Page Loading Time

1.8s

This domain loads at the median speed of 1.8 seconds.

Speed Percentile

47%

rcsb.org is faster than approximately 47 percent of the web. Your website page speed needs to be as fast as you can make it, without compromising the customer experience.

A good goal to achieve is a loading time of 2 seconds on desktop and mobile devices.

TRAFFIC

This website is ranked #33.035 by Alexa.

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

Alexa data for rcsb.org

Daily visitors by country

  • rcsb.org daily visitors distribution - Total: 13 countries
  • Flag for IndiaIndia (12.0%)
  • Flag for United States of AmericaUnited States of America (25.8%)
  • Flag for Syrian Arab RepublicSyrian Arab Republic (3.6%)
  • Flag for United Kingdom of Great Britain and Northern IrelandUnited Kingdom of Great Britain and Northern Ireland (6.8%)
  • Flag for ChinaChina (14.4%)
  • Flaf icon for other countryOthers (37.4%)

Traffic country ranks

Country Rank
Flag for IndiaIndia #22.254
Flag for IndonesiaIndonesia #36.366
Flag for BangladeshBangladesh #20.691
Flag for MalaysiaMalaysia #14.591
Flag for Russian FederationRussian Federation #32.041

LAYOUT

Doctype HTML5 Arrow Responsive website, mobile-friendly. Arrow

Mobile Rendering

This website seems to be optimized for Mobile Visitors.

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

Tablet
How rcsb.org looks like on a tablet such as an iPad.

Main colors used

These are the main HTML color codes used by this website. Arrow
  • 32% #f0f0f0
  • 26% #ffffff
  • 12% #305080
  • 4% #f0ffff
  • 3% #a0b0c0
  • 3% #6090c0
  • 2% #f0f0ff
  • 2% #606050
  • 2% #70b0f0
  • 2% #c0d0e0
  • 1% #80a0c0
  • 1% #8090b0

Text/code ratio

rcsb.org's text/code ratio is 11.51%. 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 11.51%

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> 2
  • <H3> 44
  • <H4> 37
  • <H5> 18
  • <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
157935 biological macromolecular structures enabling breakthroughs in research and education
Welcome
<H3>

For a better readability, only the first 20 <H3> tags are shown below.

3rd level heading
A structural view of biology
Deposition preparation tools
Validation services
Questions about your deposition?
Explore the pdb archive
<H4>

For a better readability, only the first 20 <H4> tags are shown below.

4th level heading
Prepare data
Validate data
Deposit data
Deposition help & resources
Deposit options
<H5>
5th level heading
Phospholipase a2
Option a: use pdb sequence
Or option b: paste sequence
Biotin bound to streptavidin
Hemoglobin
Alt attributes Arrow up

We found 69 images on this website.
38 ALT attributes are missing on your image tags. The issue affects 2 actual different images that could be loaded more than once in your page.

Image Image URL Occurrences
- data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAA... 35
Image with missing alt attribute found on rcsb.org https://cdn.rcsb.org/rcsb-pdb/v2/common/images/rcsb_logo.png 3

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 38 images on rcsb.org. 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.

You're doing quiet good on social media!

Social shares are a key signal, among many others, that search engines use to evaluate the rankings of a website. Asking people to share your pages, adding visible social share buttons and make great quality content are 3 of the most powerful ways to grow your social presence.

  • Facebook iconFacebook
  • Total Engagement 464
  • Likes 97
  • Shares 94
  • Comments 273
  • Pinterest iconPinterest 0
  • Linkedin iconLinkedin 0
  • Stumbleupon iconStumbleupon 0

DOMAIN

Domain Registrar NETWORK SOLUTIONS, LLC
Registration Date 02/27/1998 21 years, 12 months ago
Last Modified 03/08/2018 1 year, 11 months, 21 days ago
Nameservers Arrow up
Host IP Address Country
dns3.p03.nsone.net 198.51.44.67 Flag for United StatesUnited States
dns4.p03.nsone.net 198.51.45.67 Flag for United StatesUnited States
dns1.p03.nsone.net 198.51.44.3 Flag for United StatesUnited States

SERVER

Server map
  • Service Provider (ISP)
  • Rutgers University
  • IP Address
  • 128.6.244.8
  • Country
  • Flag for United StatesUnited States
  • Region
  • New Jersey , Piscataway
  • Latitude and Longitude
  • 40.5511 : -74.4606

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