{"id":937,"date":"2011-03-08T19:46:50","date_gmt":"2011-03-08T14:16:50","guid":{"rendered":"http:\/\/blog.fusioncharts.com\/?p=937"},"modified":"2026-01-20T14:36:24","modified_gmt":"2026-01-20T09:06:24","slug":"5-tips-to-increase-the-usability-of-your-charts-instantly","status":"publish","type":"post","link":"https:\/\/www.fusioncharts.com\/blog\/5-tips-to-increase-the-usability-of-your-charts-instantly\/","title":{"rendered":"5 Tips to Increase the Usability of Your Chart Instantly 2026"},"content":{"rendered":"Usability is a term thrown around a lot these days. And not without good reason. People are getting busier and busier. If they cannot find exactly what they are looking for within seconds, it doesn&#8217;t exist for them&#8230;no matter whether they are searching for a product on the web, a feature in a tool or information on a website. So in this day and age, your charts just doing the job of converting heaps of data into easily identifiable shapes and patterns doesn&#8217;t cut it anymore. They have to present all information clearly and concisely, prioritize information for at-a-glance understanding and remove the possibility of having any ambiguity.\r\n\r\n<!--more-->\r\n\r\nIn this post, I would like to discuss some quick tips to increase the usability of your chart instantly including descriptive captions, informative tooltips and better label management.\r\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_71 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<\/div><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.fusioncharts.com\/blog\/5-tips-to-increase-the-usability-of-your-charts-instantly\/#Use_descriptive_captions\" title=\"Use descriptive captions\">Use descriptive captions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.fusioncharts.com\/blog\/5-tips-to-increase-the-usability-of-your-charts-instantly\/#Arrange_data_in_descendingascending_order\" title=\"Arrange data in descending\/ascending order\">Arrange data in descending\/ascending order<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.fusioncharts.com\/blog\/5-tips-to-increase-the-usability-of-your-charts-instantly\/#Use_slanted_labels\" title=\"Use slanted labels\">Use slanted labels<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.fusioncharts.com\/blog\/5-tips-to-increase-the-usability-of-your-charts-instantly\/#Delegate_detailed_info_to_tooltips\" title=\"Delegate detailed info to tooltips\">Delegate detailed info to tooltips<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.fusioncharts.com\/blog\/5-tips-to-increase-the-usability-of-your-charts-instantly\/#Add_a_context_to_data\" title=\"Add a context to data\">Add a context to data<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.fusioncharts.com\/blog\/5-tips-to-increase-the-usability-of-your-charts-instantly\/#If_the_chart_has_drill-down_say_it\" title=\"If the chart has drill-down, say it\">If the chart has drill-down, say it<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Use_descriptive_captions\"><\/span>Use descriptive captions<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\nThe caption of a chart should completely describe what the chart is about. For example in a marketing heat map chart showing the conversion rate from different marketing mediums, the caption should explicitly be \u2013 Conversion rates from different marketing mediums.\r\n\r\n<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" title=\"Heat Map Chart with descriptive caption\" src=\"https:\/\/www.fusioncharts.com\/blog\/wp-content\/uploads\/2011\/01\/heat-map-marketing-analysis1.jpg\" alt=\"Heat Map Chart with descriptive caption\" width=\"605\" height=\"352\" \/>\r\n\r\nThe caption should also mention whether the numbers are in millions and the currency in $. In fact, the captions should be so descriptive that the axis labels if used are only left as reinforcements. However, with so many details put in the caption, they might turn out to be a bit too long in some cases. In cases like these, it is a good idea to delegate the units and number scale used to the sub-caption.\r\n\r\n<a href=\"https:\/\/fusioncharts.com\/blog\/5-tips-to-increase-the-usability-of-your-charts-instantly\/subcaption-with-units\/\" rel=\"attachment wp-att-939\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-939\" title=\"Sub-caption with units\" src=\"https:\/\/www.fusioncharts.com\/blog\/wp-content\/uploads\/2011\/03\/subcaption-with-units.jpg\" alt=\"Sub-caption with units\" width=\"474\" height=\"318\" srcset=\"\/blog\/wp-content\/uploads\/2011\/03\/subcaption-with-units.jpg 474w, \/blog\/wp-content\/uploads\/2011\/03\/subcaption-with-units-150x101.jpg 150w, \/blog\/wp-content\/uploads\/2011\/03\/subcaption-with-units-300x201.jpg 300w\" sizes=\"auto, (max-width: 474px) 100vw, 474px\" \/><\/a>\r\n<h2><span class=\"ez-toc-section\" id=\"Arrange_data_in_descendingascending_order\"><\/span>Arrange data in descending\/ascending order<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\nIf the data is name or category-based, and not time- based, it is a good idea to arrange the data in descending\/ascending order.\r\n\r\n<a href=\"https:\/\/www.fusioncharts.com\/blog\/wp-content\/uploads\/gallery\/images\/6a010534c80b99970c0133ee52a8eb970b-800wi.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" title=\"Chart with arranged data\" src=\"https:\/\/www.fusioncharts.com\/blog\/wp-content\/uploads\/gallery\/images\/6a010534c80b99970c0133ee52a8eb970b-800wi.jpg\" alt=\"Chart with arranged data\" width=\"562\" height=\"183\" \/><\/a>\r\n\r\nThis is particularly helpful when you have a lot of data sets to display on the chart. With arranged data, it is very easy to find out who your best sales person is, which marketing medium is the best converting one and which state has the best employment rate.\r\n<h2><span class=\"ez-toc-section\" id=\"Use_slanted_labels\"><\/span>Use slanted labels<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\nWhen you are using a horizontal chart (column, line, area, waterfall etc) and the labels are long or there are too many of them in a small space, slant them for better readability instead of rotating them.\r\n\r\n<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-941\" title=\"Column chart with slanted labels\" src=\"https:\/\/www.fusioncharts.com\/blog\/wp-content\/uploads\/2011\/03\/column-chart-rotated-labels.jpg\" alt=\"Column chart with slanted labels\" width=\"590\" height=\"272\" srcset=\"\/blog\/wp-content\/uploads\/2011\/03\/column-chart-rotated-labels.jpg 590w, \/blog\/wp-content\/uploads\/2011\/03\/column-chart-rotated-labels-150x69.jpg 150w, \/blog\/wp-content\/uploads\/2011\/03\/column-chart-rotated-labels-300x138.jpg 300w\" sizes=\"auto, (max-width: 590px) 100vw, 590px\" \/>\r\n\r\nWith the column chart you have the advantage that if the labels are very long, stretching into multiple words, you can use the bar chart instead. Of course, if you have well understood labels like month names, you can skip alternate labels and keep the labels horizontal itself.\r\n<h2><span class=\"ez-toc-section\" id=\"Delegate_detailed_info_to_tooltips\"><\/span>Delegate detailed info to tooltips<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\nSo you are a hotel. You had a dip in reservations in September because a new hotel opened nearby and then you picked up again in October because you started offering a 25% discount. If this has to be explained in the chart itself to the user of the chart (management in this case), putting all this info on the chart itself would make it very cluttered.\r\n\r\n<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" title=\"Chart with a lot of details\" src=\"https:\/\/www.fusioncharts.com\/blog\/wp-content\/uploads\/gallery\/images\/6a010534c80b99970c011571138fc0970c-800wi.jpg\" alt=\"Chart with a lot of details\" width=\"600\" height=\"300\" \/>\r\n\r\nHow about putting all of this on the tool tips? Only when the user is interested in getting more info about a data set, he hovers over it and gets all the required information. Your <a href=\"https:\/\/www.fusioncharts.com\/\" target=\"_blank\" rel=\"noopener\">javascript chart<\/a> stays clean, yet you have given out all the info.\r\n\r\n<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" title=\"Chart with details in tooltips\" src=\"https:\/\/www.fusioncharts.com\/blog\/wp-content\/uploads\/gallery\/images\/6a010534c80b99970c011571139115970c-800wi.jpg\" alt=\"Chart with details in tooltips\" width=\"600\" height=\"300\" \/>\r\n\r\n<em>Dig deeper: Learn how to use multi-line tooltips<\/em>\r\n<h2><span class=\"ez-toc-section\" id=\"Add_a_context_to_data\"><\/span>Add a context to data<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\nData analysis becomes more meaningful when the data being plotted on the chart is given a context. This is done using trendlines. With the context, it is easy to analyze if the sales figures in the current year are better than last year&#8217;s or if the target that had been set is being matched.\r\n\r\n<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" title=\"Column chart with trendline\" src=\"https:\/\/www.fusioncharts.com\/blog\/wp-content\/uploads\/2011\/03\/column-chart-with-trendline.jpg\" alt=\"Column chart with trendline\" width=\"563\" height=\"291\" \/>\r\n\r\nWithout the trendline, the chart would have just been showing the monthly sales for the year and you would have inferred that Q1 was good for you and Q3 was bad. With a simple trendline added to the chart, you can also infer that the sales achieved for most of the months is below the target and you have not met your annual target.\r\n<h2><span class=\"ez-toc-section\" id=\"If_the_chart_has_drill-down_say_it\"><\/span>If the chart has drill-down, say it<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\nIf your chart has drill-down from annual to monthly data, monthly to daily data or category-based drill-down (regions to states), clearly mention that at the top of the chart. If you don&#8217;t do that, most\u00a0 users will not notice the drill-down and do the analysis only at the macro level.\r\n\r\n<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" title=\"Drill-down charts\" src=\"https:\/\/www.fusioncharts.com\/blog\/wp-content\/uploads\/2011\/02\/breadcrumb-caption-2.jpg\" alt=\"Drill-down charts\" width=\"600\" height=\"321\" \/>\r\n\r\n<em>Dig deeper: <a href=\"https:\/\/fusioncharts.com\/blog\/4-things-to-know-to-create-an-intuitive-drill-down-interface\/\" target=\"_blank\" rel=\"noopener\">Learn how to create an intuitive drill-down interface<\/a><\/em>\r\n\r\nWhich of these tips do you find the most useful? Is there anything else you use for making your charts more usable? Creating interactive <a href=\"https:\/\/www.fusioncharts.com\/php-charts\/\" target=\"_blank\" rel=\"noopener\">php charts<\/a> is now easy also. Let us continue the discussion in the comments.","protected":false},"excerpt":{"rendered":"<p>Usability is a term thrown around a lot these days. And not without good reason. People are getting busier and busier. If they cannot find exactly what they are looking for within seconds, it doesn&#8217;t exist for them&#8230;no matter whether they are searching for a product on the web, a feature in a tool or [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[65,123,358,363,373],"coauthors":[692],"class_list":["post-937","post","type-post","status-publish","format-standard","hentry","category-charting-guidelines","tag-caption","tag-drill-down","tag-tooltip","tag-trendline","tag-usability"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>5 tips to increase the usability of your chart instantly<\/title>\n<meta name=\"description\" content=\"Boost the usability of your charts with 5 practical tips. Upgrade your 2026 data visualization game and engage your audience effectively. Learn more now.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.fusioncharts.com\/blog\/5-tips-to-increase-the-usability-of-your-charts-instantly\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"5 tips to increase the usability of your chart instantly\" \/>\n<meta property=\"og:description\" content=\"Boost the usability of your charts with 5 practical tips. Upgrade your 2026 data visualization game and engage your audience effectively. 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