Chicago, IL

Mightybytes

Reach 10.5PageRanker 70

Mightybytes is a web design company based in Chicago, IL, in business since 1998. Its own home page scored 81 for mobile speed and 94 for access in our lab test on October 24, 2026, faster than 369 of the 450 firm sites we tested. Its websbz Score is 55.5 out of 100. Its Reach, a separate score, is 10.5.

Visit mightybytes.com See the Score

Home page of Mightybytes at mightybytes.com

Our Read

Mightybytes is a Chicago digital agency that works with purpose driven groups. It has built sites since 1998 and focuses on accessible and low impact web design. It has been a certified B Corporation since 2011.

What sets them apart. It focuses on accessibility and sustainable web design for mission driven clients.

Best for. Nonprofits and mission driven firms that care about accessibility.

Services

Sustainable web designAccessibilityDigital strategyExperience designProduct development

Industries

NonprofitArts and cultureEducationEnvironmentHealthSocial justice

Our Lab Test of mightybytes.com

Mobile emulation, tested October 24, 2026. One run from our desk. Field data from real visitors can differ.

81Performance

94Accessibility

96Best Practices

100SEO Basics

Largest paint: 3.8 seconds
First paint: 3.1 seconds
Blocking time: 70 ms
Layout shift: 0.000
Page weight: 0.3 MB
Requests: 42

Proof of Work

Awards They List

Certified B Corp since 2011 (as listed)

Work

No verified client sites yet. Firms can submit their sites. We show and count only the ones whose live footer names the firm. Send your sites.

Signed Work

signed client sites found so far

We have not yet found a live client site with a Mightybytes footer credit in our crawl of local business sites. Studios that sign their work, like Website by Mightybytes, can claim this profile and send us the sites to count.

Search Authority

PageRanker Score, link authority from 0 to 100

The PageRanker Score reads the public link graph of the whole web. How it works.

websbz 2025 Look Back

Rank 37 with a Look Back score of 44.6 out of 100. Scored in October 2026 from 2025 archived copies of each firm’s site. It is a separate list and does not change the 2026 websbz Score.

Proof 2 of 30, openness 12 of 20, tenure 15 of 15, scaled to 100. Home page copy saved July 6, 2025. See the 2025 copy. Read the Look Back.

Reviews

No reviews yet. Worked with Mightybytes? Be the first.

Reviews post right away after a spam and clean language check. See one that breaks the rules? Report it. Reviews and votes never change the websbz Score.

websbz Score

55.5websbz Score

Own Site QualityOur lab test of the firm’s own home page. Speed counts most, then access, then build and search basics.31.5/35
Proof of WorkNamed projects, named clients and awards the firm lists, plus live client sites we found carrying its credit.2/30
OpennessDoes the firm publish a street address, a phone, its founding year, its team size and a starting price.7/20
TenureYears in business, from a founding year the firm states. Twenty years earns the full share.15/15

How the score works

Reach

10.5

out of 100. How far the work reaches, kept apart from the websbz Score

Verified client sites0/40none verified yet
Named clients0/10not published
Client scale0/10not published
Offices2.5/101 office
Countries0/101 country
Team size0/12not published
Years8/8founded 1998

How Reach works. A fact the firm does not publish counts as zero.

Facts

Website: mightybytes.com
Headquarters: Chicago, IL
Country: United States
City ranking: Best Web Design Companies in Chicago
Phone: 773.561.7529
Founded: 1998

Where They Rank

Best Web Design Companies in Chicago#5 of 10
Best Web Designers in the United States#120 of 282
Best Web Design Companies in the World#230 of 450

Show This Seal

Every award comes with a free seal hosted by websbz. It links back to this page, so anyone can check it is real.

<a href="https://websbz.com/firm/mightybytes/" title="websbz Noted 2026, Ranked in Chicago"><img src="https://websbz.com/seal/WB-4A9HH.svg" width="120" height="120" alt="websbz Noted 2026, Ranked in Chicago"></a>

Claim This Profile

Not claimed yet. If you run Mightybytes, claim it to send corrections and signed sites. It is free.

Claim Mightybytes

Add this tag inside the head of the home page at mightybytes.com. Your websbz seal on the home page works too.
```
<meta name="websbz-verify" content="wbz-75b53eee5b">
```
Publish the change so it is live.
Verify below. We read your home page once and look for the tag.

Send Your Client Sites

Sites that carry your credit in the footer. We load each one and show only the sites whose live footer names Mightybytes. Demo and staging addresses never show.

Where This Came From

Pages we read on October 24, 2026.

Is something wrong or out of date? Send a correction. It is free.

The Mightybytes Award, in Hand

How the Noted award looks off the screen. Made to order for winners, ask about one from the contact form.

Framed certificate
A signed certificate in a black frame for the studio wall.
Acrylic award
A clear block with the seal etched in, for a desk or a shelf.
Wall plaque
Brushed champagne metal on walnut, engraved with the award.
Window decal
A round seal for the front door or the office glass.