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Mobile Usability



Mobile Speed



Last tested: 2017-08-27

Rescan Mobile Usability: 95/100 Mobile Usability Test 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 <a href="/greylockpartners" class="j-author_text notranslate">Greylock Partners</a> and 21 others are close to other tap targets.
The tap target <a href="/directory/content">a</a> and 73 others are close to other tap targets. Mobile Speed: 52/100 Mobile Speed Test Quick Overview

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 3 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.…eriments.js?59e3c7a1df…ion_base.js?8438fd2ac0…ed_index.js?4da99fc99b
Optimize CSS Delivery of the following:…ritical.css?480dbb8b8a…omepage.css?ade25b9f02
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.
Optimize images

Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 89.7KiB (43% reduction).
Compressing…518da43d3b385f38976fb4 could save 38.1KiB (46% reduction).
Compressing…il-3.jpg?cb=1494034821 could save 10.4KiB (39% reduction).
Compressing…il-3.jpg?cb=1467333768 could save 9.9KiB (37% reduction).
Compressing…il-3.jpg?cb=1470346602 could save 8.1KiB (37% reduction).
Compressing…il-3.jpg?cb=1494035272 could save 7.9KiB (41% reduction).
Compressing and resizing…e_Large.png?6d1f7a78a6 could save 4.3KiB (89% reduction).
Compressing…il-3.jpg?cb=1472467813 could save 4KiB (31% reduction).
Compressing…il-3.jpg?cb=1471335429 could save 3.4KiB (30% reduction).
Compressing…tegory_placeholder.png could save 2.7KiB (94% reduction).
Compressing…-34px-R.png?e2e61d05f4 could save 1KiB (74% reduction).
Prioritize visible content

Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.
The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.
Only about 12% of the final above-the-fold content could be rendered with the full HTML response.
Reduce server response time

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: (2 hours) Mobile Resources

Total Resources36
Number of Hosts8
Static Resources20
JavaScript Resources7
CSS Resources3 Mobile Resource Breakdown