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Many WordPress site owners cause damage when adding a popular contact-form plugin. Contact forms can hurt your load time. Not just on your contact page where the form appears – but on every single page of your site.
We love free stuff. Contact Form 7 is absolutely free. But we want the best free stuff money can’t buy. So we test a lot of free plugins. Before adding the popular Contact Form 7, our special test page had the following specifications:
Page size: 29.6k, requests: 5, load time: 543ms.
After installing and activating Contact Form 7, here’s what happened:
Page size: 78.3k, requests: 10, load time: 768ms.
Wait! The page size more than doubled. The number of requests doubled. And speed slowed down by 40 percent. What happened?
OK. We admit this is a worst-case scenario. We’re using a test theme, Sobe, that doesn’t enqueue jQuery. For extreme speed, we often build WordPress sites without jQuery. PagePipe.com used to use Frank theme which doesn’t enqueue jQuery either.
- contact-form-7/styles.css 944B
- wp-includes/js/jquery/ 33.4k
- wp-includes/js/jquery/ 4.3 k
- jquery.form.min.js/contact-form-7/jquery.form-min.js 6.1k
- plugins/contact-form-7/scripts.js 3.7k
That’s 48.4k total weight added site-wide to every single webpage. Even if we don’t have a form shortcode on any page or widget.
WordPress Form Mystery: Why does the silly form load everywhere – instead of only on the page with the shortcode like it should?
You’d think those plugins that have better behavior would advertise speed benefits – but they don’t. Not yet anyway.
Do you suppose 200 millisecond per page global-site waste is insignificant? Do you care about page speed for mobile users? They know if you do. Page speed is web hospitality. Do you serve pages slowly? Then your site may be apathetic and rude.
If you get a lot of form Spam then additionally you must protect Contact Form 7 with an anti-spam plugin. Usually another popular plugin – read more about Akismet and other plugin alternatives.
Contact Form 7 is the second most popular WordPress plugin of all time. It has hundreds of extensions or addons made by third-parties to enhance it’s features. Over 42,546,968 downloads. And presently, has 1+ million installs. Mid-2006 is when Takayuki Miyoshi (Japan) uploaded Contact Form 7 to the plugin repository. That makes it 10 years old – and still ticking.
So what can you do to speed things up? There are three things:
- Use a free plugin called Plugin Logic and activate your contact form only on your contact page. Just slow down that single page instead of all pages – especially protect your Home page speed. We use Plugin Logic all of the time now for speed improvements. We’ve an article written about this plugin: Selective activation of plugins for improved speed. >
- Use an alternative free plugin (see list below). Preferably a fast form that has Spam-protection built in (2-for-1 deal).
- Don’t use a form. Use an email text link instead. Screaming-fast sites do just that simple solution. Especially for mobile users.
Below is a table of 60 free WordPress contact-form plugins with links.
Yes. Contact Form 7 is on the list. Contact Form 7 isn’t bad. We don’t hate it. But better alternatives exist for your site now. New contact form plugins appear and losers disappear on a regular basis. Our list is the “state of the moment.” Tomorrow it’ll be obsolete already because the 45,000+ plugin repository is growing between 20 to 25 percent per annum. Gads! How can we keep up with the changes?
Ranked plugins are in descending download package size (expressed in megabytes). Compressed package size is indicative of an author’s concern for optimization. That affects page speed. That’s our concern.
This ranking by package size is our crude rule of thumb used to cull plugins. It beats randomly loading and testing 60 separate plugins one at a time for hours. We start with the best speed candidates. Then work our way down the list until we find the first fast plugin that satisfies our needs. Is that safe? No. You still have to check what user forums say about a plugin’s reputation. And check with security vulnerability reporting plugins.
Small packages usually yield the fastest plugins. That doesn’t mean they’re any good. They still need torture testing.
Form builders usually are the plugin packages with the most bloat.
Plugin retention is the number of active installs divided by the number of all-time downloads. We call this the “satisfaction factor.” This number gives us an idea of how many plugins are actually kept and used after testing or temporary use. Small numbers show “fallout.” The higher the retention number the better it’s market acceptance and longevity. This is a more important benchmark than popularity or active installs.
Before you look at the table below, let’s talk about the TOP10 speed candidates – and winner. We installed and tested each of them with WordPress. It was boring work – but better we do it than you. Right? Besides we have an insatiable curiosity. We disqualified several immediately.
Group One: Instant fails.
We eliminated Powr Form Builder because it’s cloud-based (slow). And additionally charges for usage above 100 form emails per month. We don’t like that stuff.
We also axed SimpleModal Contact Form simply because it had a “clear” button. Including this button in a form is bad usability. It’s explained in the book, “Don’t Make Me Think.” Read it for free PDF download. Accidentally clearing a filled form with the wrong button is the ultimate user frustration. So clear buttons are page suicide.
Group Two: ReCAPTCHA slow downs.
reCAPTCHA establishes that a computer user is human. But you knew that.
- NM Contact Form plugin was the worst – adding 552 milliseconds. This is because of requesting Google’s free, cloud-based reCAPTCHA, a Spam-prevention utility.
- AntiRobot was the second-heaviest load time after installation. Adding 354 milliseconds to the baseline page speed for the same reason – reCAPTCHA loading killed it.
Group Three: Forms that enqueue jQuery.
These not-so-bad jQuery form plugins included:
- Just Ajax Contact Form with Captcha (204ms added).
- Quick Contact Form (229ms added).
Group Four: One fast form is a widget for footers and sidebars.
- CB Contact Form only adds 22 milliseconds. But isn’t a conventional form for contact pages. Still a winner in our book.
Group Five: The three fastest contact form plugins.
- Very Simple Contact Form (No added page weight! Only 1 extra HTTP request.)
- Simple Basic Contact Form (45 milliseconds added).
- SEOS Contact Form (143 milliseconds added).
These three are first-place tied. Especially since testing can fluctuate by those close numbers on our deliberately-chosen, shoddy host (GoDaddy). So we’ll use how the forms look to choose the best. Below: Three installations on a gray background page. Click to enlarge.
Our recommendation for general use on extreme speed sites: Simple Basic Contact Form. But it’s a matter of what works for you and your audience, so test.
Here’s the list of 58 Contact Form plugins:
|AntiRobot Contact Form||0.005||300||1,361||22.04%|
|POWr Form Builder cloud||0.01||1,000||11,636||8.59%|
|Very Simple Contact Form||0.014||10,000||108,838||9.19%|
|Just Contact Form||0.018||400||2,214||18.07%|
|Seos Contact Form||0.02||1,000||3,758||26.61%|
|CB Contact Form||0.024||300||1,727||17.37%|
|NM Contact Forms||0.042||2,000||19,612||10.20%|
|SimpleModal Contact Form||0.06||4,000||149,963||2.67%|
|Simple Basic Contact Form||0.088||9,000||52,374||17.18%|
|Slick Contact Forms||0.104||10,000||249,803||4.00%|
|MN Contact Form||0.11||1,000||15,696||6.37%|
|Quick Contact Form||0.145||10,000||83,180||12.02%|
|Simple Contact Forms||0.145||100||1,441||6.94%|
|DD Contact Form||0.17||700||6,872||10.19%|
|HTML Contact Form||0.189||1,000||5,176||19.32%|
|Contact Form With Captcha||0.195||9,000||78,096||11.52%|
|Contact Form Email||0.332||40,000||507,682||7.88%|
|Contact Form Clean and Simple||0.342||50,000||355,254||14.07%|
|Calculated Fields Form||0.359||20,000||362,809||5.51%|
|PROPER Contact Form||0.4||4,000||31,179||12.83%|
|123ContactForm for WordPress||0.408||4,000||38,032||10.52%|
|Contact Form 7||0.467||1,000,000||42,546,968||2.35%|
|Contact Form With Shortcode||0.51||700||8,240||8.50%|
|Visual Form Builder||0.551||100,000||854,831||11.70%|
|Contact Form Pro||0.552||1,000||10,850||9.22%|
|Ultimate Form Builder Lite||0.65||40,000||233,100||17.16%|
|Responsive Contact Form||0.67||4,000||55,774||7.17%|
|Nino contact form||0.703||700||2,516||27.82%|
|Contact Form Builder by vCita||0.85||10,000||282,210||3.54%|
|Contact Form by Supsystic||0.872||10,000||34,072||29.35%|
|Perfect Easy & Powerful Contact Form||1.2||7,000||79,227||8.84%|
|First Contact Form||1.2||70||1,800||3.89%|
|FormGet Contact Form||1.6||30,000||456,524||6.57%|
|BigContact Contact Page||1.7||7,000||105,623||6.63%|
|WCP Contact Form||1.8||10,000||81,774||12.23%|
|Fast Secure Contact Form||1.9||400,000||6,545,459||6.11%|
|Contact Forms by Cimatti||1.9||5,000||40,137||12.46%|
|Contact Form Generator||2||9,000||63,132||14.26%|
|Creative Contact Form||2||3,000||55,866||5.37%|
|Custom Contact Forms||2.1||60,000||1,186,420||5.06%|
|NEX-Forms – Ultimate Form builder||3.4||8,000||48,251||16.58%|
|Contact Form by BestWebSoft||3.5||200,000||3,823,211||5.23%|
Serious WordPress Speed Strategy for Business