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iflscience.com favicon iflscience.com

Excellent Practice34
Improvement Could be Made8
Critical Issues to Attend8
May 3, 2020 09:19 AM

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Recommended Actions

  • Set meta keywords.
  • Create one H1 element for your page, put the most important keywords in.
  • Remove some of the text content and make the text to code ration to be within 15%-70%.
  • Move the 28 inline css components to an external style sheet file.
  • Configure the server so that your site with or without 'www' (http://www.iflscience.com, http://iflscience.com) are resolved to the same URL.
  • Reduce number of links to other pages.
  • Implement HTTP compression for your site.
  • Implement browser caching for your site.
  • Extend the registration of your domain for a longer period.
  • Use HTML headings(H1 - H6) and inline emphasis tags (<EM><B><I><EM><STRONG>).
  • ...     25
  • Register To View All >>

Detailed Reviews

Related Category
Most related categories of this website.

art   comics   courses   dog   planet   science   television   video  

The Lighter Side of Science | IFLScience

Words count: 6    Unique Words: 6    Length: 40 characters
[ To optimize the page title, Use this SEO Title Optimizer ]

Excellent! the title contains 1-12 words, and within 10-70 characters!

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

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.
We're here for the science - the funny side of science. Quotes, jokes, memes and more. We're dedicated to bringing the amazing world of science to you!

Words count: 27    Length: 151 characters
[ To optimize the page description, Use this SEO Meta Description Optimizer ]

Excellent! Your meta description contains between 70 and 160 characters.

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.

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
The Lighter Side of Science | IFLScience www.iflscience.com/
We're here for the science - the funny side of science. Quotes, jokes, memes and more. We're dedicated to bringing the amazing world of science to you!

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

This is how your site looks like in Google Search Result Page.

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

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.
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

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.

accumulate  activity  advertising  animals  apr  aquarium  blog  brain  cases  conditioning  continuing  cookies  covid  created  discovered  environment  exoplanet  head  health  iflscience  japan  lockdown  measure  medicine  orbit  plants  policy  protesting  science  share  signs  skeletons  space  stories  study  suggests  technology  video  website  years 

Top 20 Keywords
Total Terms Count: 723

It is nice! the word density is quite ok.

Top 20 terms occurance and density
KeywordIn DomainIn TitleIn DescriptionIn Heading In Body Density
share 40 5.53%
apr 19 2.63%
covid 9 1.24%
plants 9 1.24%
science 8 1.11%
animals 7 0.97%
health 6 0.83%
space 6 0.83%
cookies 5 0.69%
stories 5 0.69%
video 5 0.69%
medicine 5 0.69%
brain 4 0.55%
study 4 0.55%
policy 4 0.55%
cases 4 0.55%
environment 4 0.55%
iflscience 3 0.41%
signs 3 0.41%
years 3 0.41%

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

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.

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


Hero Shrew's Bizarre Interlocking Spine Enables It To Withstand Immense Pressure
Most Complete Skeleton Of "Crazy Beast” From Ancient Gondwana Supercontinent Discovered
“Potentially Hazardous” Classified Asteroid To Whiz Past Earth Wednesday – But Don’t Fret Yet
The Unprecedented Ozone Hole Over The Arctic Has Closed Up
"Zoom Fatigue" Is A Thing And You're Not The Only One Experiencing It
Top Stories
Trending Stories
More Science


Kentucky Sees Sharpest Rise In Covid-19 Cases Following Anti-Lockdown Protests
The Pentagon Has Officially Released Three UFO Videos
Preliminary Study Links Vitamin D Deficiency To A Higher Mortality Rate From Covid-19
"Gargantuan" Hailstone In Argentina May Have Set A New World Record
Iceland Will Not Kill Any Whales In 2020
An Aquarium In Japan Wants You To Video Call Their Lonely Eels
Wrinkles On The Moon Could Be The Effect Of New Tectonic Activity
Cells In The Retina Suppress Brain Activity To Modulate Circadian Rhythms
Scientists Unveil Spectral Field Guide To Help Detect Signs Of Life On Planets Orbiting White Dwarfs
Astronomers' Weather Forecast For Hellish Exoplanet: "Yellow Skies With A Chance Of Iron Showers"
Llama Antibodies Could Be Used To Help Combat Covid-19
Video Of Albatross “Courtship Dance” Is The Kind Of Positivity We All Need RN
Scientists Measure Highest Seafloor Accumulation Of Microplastics To Date
Study Finds Plant Extracts Could Be Key To Lessening A Hangover
Ice Age Graveyard Discovered Containing 22 Giant Sloths Preserved In Their Own Feces
Giant Exoplanet, Three Times The Mass Of Jupiter, Discovered In Dynamic Planetary System
The Story Of African Skeletons Buried In Mexico Reveal The Horrors Of The Slave Trade
Popular Stories
Week in Science


Another Covid-19 Conspiracy Theory Aimed At Hospitals
Las Vegas Mayor Offers Up Her City's Residents As Covid-19 Guinea Pigs For Science
Researchers Identify Top Underlying Conditions Associated With Extreme Covid-19 Cases
No, The First Volunteer In The UK Covid-19 Vaccine Trials Did Not Die
Did Air Conditioning Spread Covid-19 To Nine People In A Restaurant? New Case Report Suggests So
Health Experts Urge You To Ignore Trump's Suggestion To Inject Disinfectant As A Covid-19 Treatment
The IFLScience Newsletter
<B> (10)Environment
Health and Medicine
The Brain
Plants and Animals
Editor's Blog
<I> (119)
<STRONG> (1)This website uses cookies

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

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

Excellent! the reading level score is just nice, that is within 50 - 70 !

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

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.
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.
Excellent! the website has a shortcut favicon image.

the website does not have a RSS Feed.

http://iflscience.com/robots.txt Excellent! the website has a Robots.txt file to regulate search engine crawlers access.

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.

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
http://iflscience.com/sitemap.xml Excellent! the website has a XML Sitemap to guide search engine crawlers for indexing its pages.
[ To generate XML sitemap, Use this XML Sitemap Generator ]

Sitemap helps search engine crawler to identify your website pages.

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
0.04 seconds - 336.33 Kb/s

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

Estimated loading time for different internet connections
Optical Fibre
1.92 s 0.01 s 0.01 s 0.00 s 1.08 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.

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
13 Kb (13,453 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.

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
13 Kb (13,453 bytes) 6 Kb (5,621 bytes) 8 Kb (7,832 bytes) 71.77 %

The Text/HTML Code Ratio is a bit too high, it might be considered as spam by search engines.

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.

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.
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.

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

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

1. avoid frames whenever possible.
2. search engines do not like frames.
3. use iframe instead if you really have no choice.
Inline CSS
28 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.

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.

1. avoiding <table> for your page layout.
2. using <div> instead of <table>.
Plain Text Email
Excellent! No Plain Text Email is detected on this page.

Redirect Count
1 redirection was detected for loading this page.

Excellent! HTTPS is used for your page.

WWW Resolve
the websites http://www.iflscience.com and http://iflscience.com DOES NOT resolved to the same url.

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

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 is forwarded to its domain name site https://www.iflscience.com:443/.

URL Rewrite
Excellent! your urls are clean.

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

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
Excellent! your do not use underscore in your URLs.

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

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.
Internal Links
(link to pages within this domain)
External Links
(link to pages on other websites)
210 6 216

Too many links (216), it may be considered as spam!

Internal Links (link to pages within this domain) - 210
URL Anchor Text
https://www.iflscience.com/health-and-medicine/Health and Medicine
https://www.iflscience.com/brain/The Brain
https://www.iflscience.com/plants-and-animals/Plants and Animals
https://www.iflscience.com/editors-blog/Editor's Blog
https://www.iflscience.com/...it-to-withstand-immense-pressure/Hero Shrew's Bizarre Interlock...
https://www.iflscience.com/plants-and-animals/Plants and Animals
https://www.iflscience.com/...ndwana-supercontinent-discovered/Most Complete Skeleton Of "Cra...
https://www.iflscience.com/plants-and-animals/Plants and Animals
https://www.iflscience.com/...arth-wednesday-but-dont-fret-yet/“Potentially Hazardous” Classi...
https://www.iflscience.com/...le-over-the-arctic-has-closed-up/The Unprecedented Ozone Hole O...
https://www.iflscience.com/...not-the-only-one-experiencing-it/"Zoom Fatigue" Is A Thing And ...
https://www.iflscience.com/health-and-medicine/Health and Medicine
https://www.iflscience.com/...following-anti-lockdown-protests/Kentucky Sees Sharpest Rise In...
https://www.iflscience.com/editors-blog/Editor's Blog
https://www.iflscience.com/...cially-released-three-ufo-videos/The Pentagon Has Officially Re...
https://www.iflscience.com/health-and-medicine/Health and Medicine
https://www.iflscience.com/...gher-mortality-rate-from-covid19/Preliminary Study Links Vitami...
https://www.iflscience.com/...-may-have-set-a-new-world-record/"Gargantuan" Hailstone In Arge...
https://www.iflscience.com/plants-and-animals/Plants and Animals
https://www.iflscience.com/...will-not-kill-any-whales-in-2020/Iceland Will Not Kill Any Whal...
https://www.iflscience.com/plants-and-animals/Plants and Animals
https://www.iflscience.com/...-to-video-call-their-lonely-eels/An Aquarium In Japan Wants You...

External Links (link to pages on other websites) - 6
URL Anchor Text
https://www.ilovesciencestore.com/IFLScience Store

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

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.
Total Images Alt Present Alt Missing
42 34 8

8 images do not have Alt values.

Image URL - 42
https://cdn.iflscience.com/assets/site/img/iflscience_logo.png?v=1.3.5IFLScience logo
https://cdn.iflscience.com/assets/site/img/iflscience_logo_narrow.png?v=1.3.5IFLScience logo
https://cdn.iflscience.com/assets/site/img/ilss-logo.png?v=1.3.5I Love Science Store
https://cdn.iflscience.com/assets/site/img/icon-health-and-medicine.png?v=1.3.5Health and Medicine
https://cdn.iflscience.com/assets/site/img/icon-the-brain.png?v=1.3.5The Brain
https://cdn.iflscience.com/assets/site/img/icon-plants-and-animals.png?v=1.3.5Plants and Animals
https://cdn.iflscience.com/assets/site/img/icon-editors-blog.png?v=1.3.5Editor's Blog
https://cdn.iflscience.com/assets/site/img/ifls-placeholder.png?v=1.3.5A CT scan of a hero shrew skel...
https://cdn.iflscience.com/assets/site/img/ifls-placeholder.png?v=1.3.5Syda Productions/Shutterstock
https://cdn.iflscience.com/assets/site/img/ifls-placeholder.png?v=1.3.5Kentucky Sees Sharpest Rise In...
https://cdn.iflscience.com/assets/site/img/ifls-placeholder.png?v=1.3.5The Pentagon Has Officially Re...
https://cdn.iflscience.com/assets/site/img/ifls-placeholder.png?v=1.3.5Preliminary Study Links Vitami...
https://cdn.iflscience.com/assets/site/img/ifls-placeholder.png?v=1.3.5'Gargantuan' Hailstone In Arge...
https://cdn.iflscience.com/assets/site/img/ifls-placeholder.png?v=1.3.5Iceland Will Not Kill Any Whal...
https://cdn.iflscience.com/assets/site/img/ifls-placeholder.png?v=1.3.5An Aquarium In Japan Wants You...
https://cdn.iflscience.com/assets/site/img/ifls-placeholder.png?v=1.3.5Wrinkles On The Moon Could Be ...
https://cdn.iflscience.com/assets/site/img/ifls-placeholder.png?v=1.3.5Cells In The Retina Suppress B...
https://cdn.iflscience.com/assets/site/img/ifls-placeholder.png?v=1.3.5Scientists Unveil Spectral Fie...
https://cdn.iflscience.com/assets/site/img/ifls-placeholder.png?v=1.3.5Astronomers' Weather Forecast ...
https://cdn.iflscience.com/assets/site/img/ifls-placeholder.png?v=1.3.5Llama Antibodies Could Be Used...
https://cdn.iflscience.com/assets/site/img/ifls-placeholder.png?v=1.3.5Video Of Albatross “Courtship ...
https://cdn.iflscience.com/assets/site/img/ifls-placeholder.png?v=1.3.5Scientists Measure Highest Sea...
https://cdn.iflscience.com/assets/site/img/ifls-placeholder.png?v=1.3.5Study Finds Plant Extracts Cou...
https://cdn.iflscience.com/assets/site/img/ifls-placeholder.png?v=1.3.5Ice Age Graveyard Discovered C...
https://cdn.iflscience.com/assets/site/img/ifls-placeholder.png?v=1.3.5Giant Exoplanet, Three Times T...
https://cdn.iflscience.com/assets/site/img/ifls-placeholder.png?v=1.3.5The Story Of African Skeletons...
https://cdn.iflscience.com/...quare_medium-1587728179-evan-el-amin-shutterstock.jpgEvan El-Amin/Shutterstock

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

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.
Style Block In Same Page Links to External Style Files Total
0 1 1

Excellent! all stylesheets are kept in separate files.

Links To External Stylesheet Files - 1
Stylesheet URL rel type

Scripts Block In Same Page Links to External Script Files Total
13 7 20

Too many (7) external scripts files , it will slow down the downlaoding.

Links To External Script Files - 7
Script URL Type

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

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
https://www.iflscience.com/editors-blog/Editor's 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.

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

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

Google Analytics
Analytics Service is not implemented for the site.

Links From Root Domains
Excellent! You do have a lot of root domains (79) linked to your site iflscience.com.

< 20 21 - 50 > 51
Poor Good Excellent

Number of backlinks from some other root domains is an indicator of domain authority, the more backlinks your site has, the higher its domain authority, which leads to a higher chance of better ranking.

1. make it easy for others to link to your site, provide the code if possible.
2. links from older domains are more powerful than links from new domains.
3. links from .edu and .gov generally have a higher value.
Social Media Integration
Excellent! your site is well integrated with social media networks.

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


Excellent! the website has a good Trustworthiness Score (91/100).

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).

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
91 Excellent! the website has a good Child Safe Score (91/100).

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

Safe Browsing
Safe! the site iflscience.com 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.

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
10,689th most visited website in the world.
7,616th most visited website in United States  

your site has an excellent high traffic rank in the world.
Websites On Same Server
Excellent! You domain iflscience.com is the only one hosted on the server (ip :

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.

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 : is located at United States  
the most site visitors come from United States  

Excellent! your server is located close to most of your site visitors.
HTTP Compression

your website server does not support HTTP Compression.


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.

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
7 years, 252 days old ( 1st registered on : 2012-09-18 )

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

excellent, the domain age is old enough.

Domain Expires
0 years, 166 days from today ( expires on : 2020-11-11 )

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

domain is expiring in less than a year.

Domain Info
iflscience.com ( 14 characters )

Domain Registrar : GoDaddy.com, LLC

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

Domain Created On Last Modified On Expires On
2012-09-18 2012-09-18 2020-11-11
7 years, 252 days old 7 years, 252 days ago 0 years, 166 days from today
7 years, 252 days old

Domain Name Servers used by iflscience.com
DNS Name IP Address

Domain is going to expire in less than a year time (0 years, 166 days from today), try to renew it for more than one year!

domain name choice and domain age are crucial for SEO.

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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