Popsci.com Site Title

Popular Science Homepage | Popular Science

Popsci.com Meta Description

Awe-inspiring science reporting, technology news, and DIY projects. Skunks to space robots, primates to climates. That's Popular Science, 150 years strong.

Popsci.com Test Results

popsci.com Mobile Usability: 97/100

Quick overview:
Size tap targets appropriately
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 <button type="button" class="background_gra…t_align_center"></button> is close to 1 other tap targets .
...

popsci.com Mobile Speed: 49/100

Quick overview:
Leverage browser caching
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://load77.exelator.com/pixel.gif (expiration not specified)
...
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 4 blocking script resources and 2 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.js?features=default,String.prototype.repeat,Array.prototype.find,Array.prototype.findIndex,Math.trunc,Math.sign,Number.isNaN
...
Optimize CSS Delivery of the following:
https://www.popsci.com/pf/resources/dist/popsci/style.css?d=179
...
Avoid landing page redirects
Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
http://popsci.com/
...
Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 31.6KiB (22% reduction).
Minifying https://www.popsci.com/pf/dist/page/p01SO29tKxsHkr/default.js?d=179 could save 24.5KiB (22% reduction) after compression.
...
Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 5.7KiB (56% reduction).
Compressing https://x.mail.bonnier-subscriptions.com/ats/url.aspx?cr=923&wu=27&site=PSC&widgetID=ABVFTR&section=nosection could save 3.2KiB (64% reduction).
...
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 2.9KiB (29% reduction).
Compressing https://www.popsci.com/resizer/uFsjF-qlhXNeQq_FgHzPV-xk2Qg=/96x64/arc-anglerfish-arc2-prod-bonnier.s3.amazonaws.com/public/CMBJQ3ZAKKMFBUYM6DKTHWY37Q.jpg could save 1KiB (24% reduction).
...
Minify HTML
Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
Minify HTML for the following resources to reduce their size by 1.6KiB (33% reduction).
Minifying https://x.mail.bonnier-subscriptions.com/ats/url.aspx?cr=923&wu=27&site=PSC&widgetID=ABVFTR&section=nosection could save 1.6KiB (33% reduction).
Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 245B (20% reduction).
Minifying https://snamwpm.eccmp.com/wpm/923/Forms/css/Arc_Responsive.css could save 245B (20% reduction) after compression.

Similar sites
Similar tests
www.popsci.com
www.popsci.net
www.popsci.org
www.popsci.info
www.popsci.biz
www.popsci.us
www.popsci.mobi
www.opsci.com
www.popsci.com
www.oopsci.com
www.poopsci.com
www.opopsci.com
www.lopsci.com
www.plopsci.com
www.lpopsci.com
www.ppsci.com
www.pipsci.com
www.poipsci.com
www.piopsci.com
www.pkpsci.com
www.pokpsci.com
www.pkopsci.com
www.plpsci.com
www.polpsci.com
www.pppsci.com
www.poppsci.com
www.ppopsci.com
www.posci.com
www.poosci.com
www.poposci.com
www.polsci.com
www.poplsci.com
www.popci.com
www.popwci.com
www.popswci.com
www.popwsci.com
www.popeci.com
www.popseci.com
www.popesci.com
www.popdci.com
www.popsdci.com
www.popdsci.com
www.popzci.com
www.popszci.com
www.popzsci.com
www.popxci.com
www.popsxci.com
www.popxsci.com
www.popaci.com
www.popsaci.com
www.popasci.com
www.popsi.com
www.popsxi.com
www.popscxi.com
www.popsdi.com
www.popscdi.com
www.popsfi.com
www.popscfi.com
www.popsfci.com
www.popsvi.com
www.popscvi.com
www.popsvci.com
www.popsc.com
www.popscu.com
www.popsciu.com
www.popscui.com
www.popscj.com
www.popscij.com
www.popscji.com
www.popsck.com
www.popscik.com
www.popscki.com
www.popsco.com
www.popscio.com
www.popscoi.com
www.popsci.con
Last Tested: