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Semanticscholar.org Semantic Scholar - An academic search engine for scientific articles

An academic search engine that utilizes artificial intelligence methods to provide highly relevant results and novel tools to filter them with ease.

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Online Status
Offline

Server IP address resolved: No
Http response code: None
Last Checked: 09/20/2019

Semanticscholar.org receives about six hundred thousand unique visitors and nine hundred thousand pageviews per day. The estimated value of semanticscholar.org is ten million USD. Each unique visitor makes about 1.38 pageviews on average.

Over the time semanticscholar.org has been ranked as high as 495 in the world, while most of its traffic comes from India, where it reached as high as 438 position.

semanticscholar.org is hosted by AMAZON-02 - Amazon.com, Inc., US in United States, but we recommend to move server to India, as it will speed up semanticscholar.org page load time for the majority of their users. See the list of other websites hosted by AMAZON-02 - Amazon.com, Inc., US.

Semanticscholar.org is registered under .ORG top-level domain. Check other websites in .ORG zone.

At the time of the last check (November 12, 2019) semanticscholar.org has an invalid SSL certificate.

According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust semanticscholar.org is quite a safe domain.

Mobile-Friendly test indicates that semanticscholar.org is well optimized for mobile and tablet devices.

Global Rank
803
Average Load Time
2.19sec
Links In Count
301
Website Value
$11.4 M
Overview
Last Updated: 11/12/2019
Overall result - "semanticscholar.org" is SAFE.
We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.
Norton Connect Safe
Last Updated: 01/12/2019
NCS "semanticscholar.org" OK.

Norton ConnectSafe evaluates semanticscholar.org for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search
Last Updated: 09/07/2019
GSS "semanticscholar.org" OK.

SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.

Google Safe Browsing
Last Updated: 01/09/2019
Malware not found at "semanticscholar.org".
"semanticscholar.org" is not a phishing page.
"semanticscholar.org" does not install unwanted software.
"semanticscholar.org" does not contain harmfull applications.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.
Site Advisor
Last Updated: 01/10/2019
SA "semanticscholar.org" OK.

McAfee assesses semanticscholar.org for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze semanticscholar.org for mature or inappropriate content, only security checks are evaluated.

Web of Trust
Last Updated: 01/09/2019
WOT "semanticscholar.org" VERY GOOD.

The WOT calculates reputation of the semanticscholar.org. This reputation system receives ratings from users and information from third-party sources, assesses the semanticscholar.org for safety features and confirms, whether semanticscholar.org is suitable for children.

SSL Information
Domain Unknown
Issuer Organization Unknown
Issuer Unknown
Algorithm Unknown
Valid form Unknown
Expiration Unknown
Signed No information
Additional Domains
Server Location
Portland
Oregon
United States
ASN Information

ASN ID: 16509
ASN Title: AMAZON-02 - Amazon.com, Inc., US

Last Update: 09/12/2018

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

ASNumber: 16509
ASName: AMAZON-02
ASHandle: AS16509
RegDate: 2000-05-03
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/16509

OrgName: Amazon.com, Inc.
OrgId: AMAZON-4
Address: 1918 8th Ave
City: SEATTLE
StateProv: WA
PostalCode: 98101-1244
Country: US
RegDate: 1995-01-23
Updated: 2017-01-28
Ref: https://rdap.arin.net/registry/entity/AMAZON-4

OrgAbuseHandle: AEA8-ARIN
OrgAbuseName: Amazon EC2 Abuse
OrgAbusePhone: +1-206-266-4064
OrgAbuseEmail: abuse@amazonaws.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/AEA8-ARIN

OrgTechHandle: ANO24-ARIN
OrgTechName: Amazon EC2 Network Operations
OrgTechPhone: +1-206-266-4064
OrgTechEmail: amzn-noc-contact@amazon.com
OrgTechRef: https://rdap.arin.net/registry/entity/ANO24-ARIN

RTechHandle: AC6-ORG-ARIN
RTechName: Amazon-com Incorporated
RTechPhone: +1-206-266-2187
RTechEmail: ipmanagement@amazon.com
RTechRef: https://rdap.arin.net/registry/entity/AC6-ORG-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

HTML Metatags
Title
Semantic Scholar - An academic search engine for scientific articles
The title has an optimal length. Search engines typically displays the first 50–70 characters of a title tag. If you keep your titles under 70 characters, our research suggests that you can expect about 90% of your titles to display properly.
Description
An academic search engine that utilizes artificial intelligence methods to provide highly relevant results and novel tools to filter them with ease.
The description has optimal length. Keep in mind that the "optimal" length will vary depending on the situation, and your primary goal should be to provide value and drive clicks.
Encoding
UTF-8
You should always specify the encoding used for an HTML page. If you don't, you risk that characters in your content are incorrectly interpreted. This is not just an issue of human readability, increasingly machines need to understand your data too.
Language
en English
Identifying the language of your content allows you to automatically do a number of things, from changing the look and behavior of a page, to assisting search engines in extracting information. If part of the page uses text in a different language, you can add a language attribute with a different value to the element that surrounds that content.
Language Region
Not Found
Images
Attribute ALT
Success, no any <img> without defined ALT attribute. Alt text is helpful to end users if they have images disabled or if the image does not properly load.
As a general rule, search engines do not interpret the content of image files. The text provided in the <img alt> attribute enables the site owner to provide relevant information to the search engine and to the end user.
H1-H6 Tags Information

For search engines, <H> tags helps understand the structure of the text on a page better. For users, headings are like anchors in a wall of text, navigating them through the page and making it easier to digest. The <h1> tag reinforces the core keyword(s) found in the <title>, <description>, and the <body>. We recommend that the <h1> tag includes keywords that reflect the contents of the page and that it is not longer than 150 characters in length, but don’t overuse the tags and the keywords in them. Keep it readable for users.

H1
1 H1 tag(s).
Your H1 introduces the topic your page is all about, just as a title tells a reader what a book is all about.
H2
1 H2 tag(s).
The H2s are akin to book chapters, describing the main topics you’ll cover in sections of the article.
H3
Subsequent headers, H3s to H6s, serve as additional sub-headings within each section, just as a book chapter may be split up by multiple sub-topics.
H4
6 H4 tag(s).
H5
H6
Iframes Information
iFrame
Line 61, ...<iframe class="subscribe-iframe" src="/forms/subscribe" title="Ne...
Since search engines consider the content in iframes to belong to another website, the best you can hope for is no effect on SEO. Iframes tend to neither help nor hurt your search engine ranking. For this reason, it’s best to refrain from using iframes on main pages that you want to rank high in search engine results. Instead, fill high-priority pages with useful, unique content and save iframes for other pages.
Code To Text Ratio
Code To Text Ratio
5.20 %
A good code to text ratio is anywhere from 25 to 70 percent. This percentage refers to the visible text ratio, as opposed to HTML elements, image tags and other non-visible information. This has become especially apparent since search engines, such as Google, released the Panda update which placed importance on content-driven sites.
Favicons

Favicons are the little piece of graphic that represents your brand on browser tabs, bookmark lists, search history, search ads and even search results. These files are placed in a file called favicon.ico and placed in the root directory of a website. There are no direct SEO effects of having favicons. However, there may be indirect benefits such as increased usability of site and bookmarks. It makes your website look more professional and help a users to remember your site while browsing through multiple URLs. If you want to get mentioned benefits you have to specify icons for different web browsers and sometimes even for different mobiles.

Default Favicon
default, favicon.ico
Backup icon for most desktop browsers (if no icon of the right size is found). Tag format <link rel="shortcut icon" href="path-to-16x16-icon.ico" type="image/x-icon" />
16x16 Optional Favicon
Standard icon for outdated browsers or small resolution hand held devices. Tag format <link rel="icon" type="image/png" sizes="16x16" href="path-to-16x16.png">
32x32 Optional Favicon
Line 24, /img/favicon.png
Standard for most desktop browsers. Tag format <link rel="icon" sizes="32x32" href="path-to-32x32.png">
96x96 Optional Favicon
Mostly used as GoogleTV icon. Tag format <link rel="icon" type="image/png" sizes="96x96" href="path-to-96x96.png">
Default Apple Icon
Backup icon for apple devices (if no icon of the right size is found). Preferrable size 60x60. Tag format <link rel="apple-touch-icon" sizes="72x72" href="path-to-small-icon.png">
180x180 Apple Icon
iPhone 6 plus icons. Tag format <link rel="apple-touch-icon" sizes="180x180" href="path-to-180x180.png">
152x152 Apple Icon
iPad, iPad mini icons. Tag format <link rel="apple-touch-icon" sizes="152x152" href="path-to-icon-152x152.png">
167x167 Apple Icon
iPad Pro icon. Tag format <link rel="apple-touch-icon" sizes="167x167" href="path-to-167x167.png">
Robots.txt Information

Robots.txt is a text file that website owners can create to tell search engine bots how to crawl and index pages on their site.

Robots File
Robots File Loaded successfully (/robots.txt)
You can have multiple lines of instructions to allow or disallow specific URLs and add multiple sitemaps. If you do not disallow a URL, then search engine bots assume that they are allowed to crawl it.
Disallow
4 record(s)
Other User-Agent
Not found
Default User-Agent
1 record(s)
Sitemap

A sitemap is an XML file where is provided information about each URL: when it was last updated, how often it changes, and how important it is in relation to other URLs in the site. Search engines crawling bots read this file to more efficiently and intelligently crawl your site and to find URLs that may be isolated from rest of the site's content.

Sitemap Found At robots.txt
Loaded successfully
Using a sitemap doesn't guarantee that all the items in your sitemap will be crawled and indexed, however, your site will benefit from having a sitemap.
WHOIS

Domain Name: SEMANTICSCHOLAR.ORG
Registry Domain ID: D173851707-LROR
Registrar WHOIS Server: whois.name.com
Registrar URL: http://www.name.com
Updated Date: 2016-08-30T00:03:13Z
Creation Date: 2014-09-05T15:33:39Z
Registry Expiry Date: 2025-09-05T15:33:39Z
Registrar Registration Expiration Date:
Registrar: Name.com, Inc.
Registrar IANA ID: 625
Registrar Abuse Contact Email: abuse@name.com
Registrar Abuse Contact Phone: +1.7203101849
Reseller:
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registrant Organization: ai2
Registrant State/Province: WA
Registrant Country: US
Name Server: NS-1437.AWSDNS-51.ORG
Name Server: NS-586.AWSDNS-09.NET
Name Server: NS-290.AWSDNS-36.COM
Name Server: NS-1772.AWSDNS-29.CO.UK
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form https://www.icann.org/wicf/)
>>> Last update of WHOIS database: 2019-10-11T04:46:00Z

DNS Records
HostA RecordTTL
semanticscholar.org54.200.247.12560
semanticscholar.org34.208.196.18660
semanticscholar.org54.201.168.11860
HostMX RecordPriorityTTL
semanticscholar.orgaspmx.l.google.com1300
semanticscholar.orgaspmx2.googlemail.com10300
semanticscholar.orgaspmx3.googlemail.com10300
semanticscholar.orgalt1.aspmx.l.google.com5300
semanticscholar.orgalt2.aspmx.l.google.com5300
HostNS RecordTTL
semanticscholar.orgns-1437.awsdns-51.org172800
semanticscholar.orgns-1772.awsdns-29.co.uk172800
semanticscholar.orgns-290.awsdns-36.com172800
semanticscholar.orgns-586.awsdns-09.net172800
HostTXT RecordTTL
semanticscholar.orggoogle-site-verification=xs9bp5RBf9UpFon-5uo6vKajajkrS2Kd0lh37Ixp2B0300

ns-586.awsdns-09.net
TTL: 900
Email address: awsdns-hostmaster.amazon.com
Serial: 1
Refresh: 7200
Retry: 900
Expire: 1209600
Minimum: 86400

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Last tested: 05/07/2018

Desktop
Desktop Speed
88%
Your page has 1 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.Remove render-blocking JavaScript:

https://cdn.polyfill.io/v2/polyfill.min.js?feature…ect.values&flags=gated

Optimize CSS Delivery of the following:

https://dab4rbh62k56j.cloudfront.net/css/main.debd442b80.css

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:

https://cdn.heapanalytics.com/js/heap-2424575119.js (2 minutes)
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Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 1.6KiB (14% reduction).

Compressing https://dab4rbh62k56j.cloudfront.net/img/logos.7dc028a163.png could save 1.6KiB (14% reduction).

Desktop Resource Breakdown
Total Resources21
Number of Hosts12
Static Resources11
JavaScript Resources7
CSS Resources1

Last tested: 05/07/2018

Mobile
Mobile Usability
96%
Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.
The following tap targets are close to other nearby tap targets and may need additional spacing around them.

The tap target <a href="/author/Milad-Hashemi/33798741" class="author-list__l…t__author-name">Milad Hashemi</a> and 13 others are close to other tap targets.
The tap target <a href="/paper/Spheric…397545808c9f2c">Spherical CNNs</a> is close to 2 other tap targets.

Mobile Speed
74%
Your page has 1 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.Remove render-blocking JavaScript:

https://cdn.polyfill.io/v2/polyfill.min.js?feature…ect.values&flags=gated

Optimize CSS Delivery of the following:

https://dab4rbh62k56j.cloudfront.net/css/mobile.ec71bc666b.css

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:

https://cdn.heapanalytics.com/js/heap-2424575119.js (2 minutes)
https://js-agent.newrelic.com/nr-spa-974.min.js (2 hours)
https://www.google-analytics.com/analytics.js (2 hours)

Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 3.1KiB (12% reduction).

Compressing https://dab4rbh62k56j.cloudfront.net/img/logos_retina.7481359336.png could save 3.1KiB (12% reduction).

Mobile Resource Breakdown
Total Resources20
Number of Hosts12
Static Resources10
JavaScript Resources7
CSS Resources1
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