Websites & Online Business·Standings
Website Optimization Tools
These tools can surface site issues, check loading speed, reveal visitor activity, and let teams evaluate page variations. Choose by the optimization focus you need and the platforms your team uses.
Review plan availability and entry pricing alongside audit, testing, speed-monitoring, and tracked-site fields. The signal score is out of 10; API, open-source, and free-tier marks show access and trial options at a glance.
- 29 platforms
- 12 with a public API on this page
- 13 with a free tier
- Checked 7 Oct 2026
- 1 SF
Screaming Frog SEO Spiderscreamingfrog.co.ukA website SEO crawler with free and paid plans, available on Windows, macOS, Linux, API and self-hosted.
- 2 C
Contentsquarecontentsquare.comWebsite analytics service that records visitor events, with a free option.
- 3 A
Ahrefsahrefs.com - 4 GSGoogle Search Consolesearch.google.com
Google Search Console helps monitor, maintain, and troubleshoot a site's presence in Google Search results.
- 5 S
Semrushsemrush.comAn SEO service for search terms and ranking changes, with an API, free plan and 7-day trial.
- 6 S
Sitecheckersitechecker.proA paid website optimization service with API, browser extension, web access and a 14-day trial.
- 7 LLighthousedeveloper.chrome.com
Free, open-source page checker that reports on speed, accessibility, and search quality.
- 8 F
Fullstoryfullstory.comVisitor analytics service that records sessions and captures activity on mobile devices.
- 9 MC
Microsoft Clarityclarity.microsoft.comFree visitor analytics service with session recordings and mobile capture.
- 10 B
Botifybotify.comWebsite service for keyword ideas, search position tracking, and site checks.
- 11 AT
AB Tastywingify.comWebsite testing and personalization software with A/B, split URL, and multivariate tests.
- 12 CE
Crazy Eggcrazyegg.comWebsite service with a free option and a 30-day trial; annual billing starts at $29 monthly.
- 13 I
Inspectletinspectlet.comWebsite optimization service with a free option; subscriptions start at $39 monthly.
- 14 S
Smartlooksmartlook.comA freemium service that records user visits and flags repeated clicks on websites and mobile apps.
- 15 P
Pingdompingdom.comWebsite and server monitoring service with SSL alerts and Slack, text, and email notifications.
- 16 S
Sitebulbsitebulb.comA site analysis app for Windows and Mac, plus web access and a browser extension; trial lasts 14 days.
- 17 O
Oncrawloncrawl.comWebsite service for search position tracking, site checks, and backlink analysis.
- 18 L
Lumarlumar.ioWebsite SEO software with site audits and an API.
- 19 GGTmetrixgtmetrix.com
Website performance testing with Chrome-based reports, Web Vitals, and prioritized audits.
- 20 CEConvert Experiencesconvert.com
A/B testing and personalization software with tests for websites, apps, and other experiences.
- 21 K
Kameleoonkameleoon.comExperimentation software for website, back-end, and in-app tests, from $495 per month.
- 22 LO
Lucky Orangeluckyorange.comLucky Orange combines heatmaps, funnels, session recordings and Discovery AI to help identify what to fix on a website.
- 23 VT
VWO Testingwingify.comA paid web experimentation platform for A/B, multivariate and other tests, with a 30-day trial.
- 24 OE
Optimizely Experimentationoptimizely.com - 25 G
Glassboxglassbox.comDigital experience service that records sessions and captures mobile activity.
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How to choose
Which optimization job does it need to handle?
First decide whether your priority is crawling and audits, experiments, speed checks, recordings, or behavior analysis. The comparison fields separate these uses so you can match the tool to your work.
For search and audit tasks, consider Ahrefs, Botify, or Google Search Console; AB Tasty and Convert Experiences are options to explore for experimentation workflows.
Which platforms does it need to run on?
Check the platform marks before choosing. Options shown cover web and API access, mobile apps, browser extensions, and self-hosted deployment.
An API can connect a tool with your existing software, while self-hosting gives you a deployment option outside a vendor's hosted service. Confirm the platform you require on the product page.
Can you try it before paying?
Look for a free plan or a stated trial before committing. Google Search Console is listed as free, GTmetrix has a free plan and trial, and Fullstory lists a free plan plus a 14-day trial.
Pricing details differ: AB Tasty gives pricing on request; DebugBear has a 14-day trial, and Convert Experiences has a 15-day trial.
How much website activity must it track?
Check the tracked-sites field against the number of sites in your portfolio. Also compare page-speed monitoring and audit coverage when several websites share one account.
If your team needs code access, review the open-source mark and licence details. The list currently marks no listed tool as open source.
Questions
What are website optimization tools used for?
They help with site audits, A/B tests, page-speed monitoring, visitor behavior analysis, and related website improvement work.
Which website optimization tools have a free plan?
The list marks Google Search Console as free, GTmetrix as having a free plan, and Fullstory as freemium with a free plan. Check current plan terms before signing up.
Do these tools offer an API?
API availability is shown as a comparison mark. The platform field includes API support, so check that mark when you need a connection to other software.
Can I self-host a website optimization tool?
Self-hosted is one of the listed platform options. Check the platform mark for a tool before planning your own deployment.
Which tools offer a free trial?
Trial availability is shown in the comparison. Examples include GTmetrix, DebugBear with a 14-day trial, and Convert Experiences with a 15-day trial.
Some top positions on this board can be paid placements, standing where they were sold. The facts on each platform are not for sale. How we rank · Disclosure