iframe vs ChartBlocks (2026)

Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.

iframe

iframe

4.4(56)

70K+ active installs

Free

Updated 3 months ago
View iframe
VS
ChartBlocks

ChartBlocks

5(2)

10 active installs

Free

Updated 11 years ago
View ChartBlocks

Quick Verdict

As of April 2026, ChartBlocks has a higher user rating (5/5 from 2 reviews) while iframe leads in active installations (70K+ vs 10). Both are free WordPress plugins. iframe has accumulated 1.9M+ total downloads while ChartBlocks has 1.8K+.

Detailed Comparison

Rating
4.4/5iframe
ChartBlocks5/5
Total Reviews
56iframe
ChartBlocks2
Active Installs
70K+iframe
ChartBlocks10
Total Downloads
1.9M+iframe
ChartBlocks1.8K+
Support Resolution
N/Aiframe
ChartBlocksN/A
Last Updated
3 months agoiframe
ChartBlocks11 years ago
First Released
2011iframe
ChartBlocks2014
Age
15 yearsiframe
ChartBlocks12 years
WP Requires
3.0+iframe
ChartBlocks2.9+
PHP Requires
false+iframe
ChartBlocksfalse+
Business Model
Freeiframe
ChartBlocksFree
Latest Version
6.0iframe
ChartBlocks1.0

Rating Breakdown

iframe

4.4/5(56 reviews)
5
82%
4
4%
3
0%
2
2%
1
13%

ChartBlocks

5/5(2 reviews)
5
100%
4
0%
3
0%
2
0%
1
0%

Recent Reviews

iframe Reviews

by cynops

works just fine

I’ve been using this for several years to embed a public webcam livestream. And also using it to embed google docs. I download the google doc as html, put it on the same server where wordpress is, and

by cohler

Like they said, it simply does NOT work AT ALL

It does not work AT ALL. You can enter all the shortcodes you like in as many widgets and text boxes as you like. And they do ABSOLUTELY NOTHING. This is total fakeware.

by choas

Fast Support and Easy to Use

An easy to use plugin with fast and practical support from its developer. More frequently and providing options to generate the shortcode on the posting page could make it even better! Thanks so much!

ChartBlocks Reviews

No reviews yet

Frequently Asked Questions

Is iframe or ChartBlocks more popular?
iframe has 70K+ active installations while ChartBlocks has 10. iframe is the more widely-used plugin as of April 2026.
Which has better ratings — iframe or ChartBlocks?
iframe has a 4.4/5 rating from 56 reviews, while ChartBlocks has a 5/5 rating from 2 reviews.
Are iframe and ChartBlocks free?
iframe is free and ChartBlocks is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — iframe or ChartBlocks?
Support resolution data is not available for all plugins. Check each plugin's WordPress.org support forum for current response quality.
Which plugin is updated more frequently?
iframe was last updated 3 months ago and ChartBlocks was last updated 11 years ago.

Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.