Client-side protection · November 2026 Edition
Reflectiz vs Source Defense
Two of fourteen models named Reflectiz first on the direct prompt; one named Source Defense. Reflectiz was named by twelve of the fourteen models and Source Defense by eleven and Reflectiz carries 32 labels and Source Defense 23, so the shares are not directly comparable.
Named in one category this edition.
Named in one category this edition.
First-choice share10%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate31%26%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#4#5A position in a field of 10; printed, not drawn.
Labels3223A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Reflectiz reading right to left. Rank and label count are printed, not drawn.cside vs Reflectiz · cside vs Source Defense · Cloudflare Page Shield vs Reflectiz
Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category; every quote names the model and the prompt it came from. Both figures come from the client-side protection page.
By framing
How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
ReflectizFirst choices, of fourteen modelsSource Defense
Direct21
Paraphrase30
Comparative102 against Reflectiz
Budget-constrained002 against Reflectiz
Scale-constrained00
Negative006 against Reflectiz · 6 against Source Defense
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.
Across every category in the November 2026 Edition, Reflectiz and Source Defense were named in the same answer forty-four times, of the 93 answers naming Reflectiz and the 59 naming Source Defense. In those answers Source Defense took the first choice zero times and Reflectiz six.
Every model, every framing
The eighty-four answers behind the chart above, one cell each: where Reflectiz and Source Defense stood in it.
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | | |||||
| GPT-5.4 mini | ||||||
| Gemini 3.5 Flash | | | | |||
| Perplexity Sonar | | | | |||
| Grok 4.20 | | | | | ||
| Mistral Small | | |||||
| DeepSeek V4 Flash | | | | |||
| Llama 4 Maverick | | |||||
| Qwen 3.7 Flash | | | ||||
| Kimi K2 | | | | | ||
| GLM 4.7 FlashX | | | ||||
| MiniMax M2.5 | | |||||
| GPT-6 Luna | | | ||||
| Muse Glimmer 30B | | | | |
Reflectiz Source Defense first choice named as an alternative argued againstblank: not namedEach cell is one answer, Reflectiz on the left and Source Defense on the right.The direct prompt
The plain question, one answer per model, grouped by where Reflectiz and Source Defense stood in it.
Reflectiz first, Source Defense not the choice
2 of 14 modelsSource Defense was named in the answer but not as the choice, or not at all.Gemini 3.5 FlashReflectiz alternatives: Cloudflare Page Shield, Feroot Security, Jscrambler Webpage Integrity
Kimi K2Feroot Security, Reflectiz alternatives: cside
Source Defense first, Reflectiz not the choice
1 of 14 modelsReflectiz was named in the answer but not as the choice, or not at all.Perplexity SonarSource Defense alternatives: Akamai Client-Side Protection & Compliance, Jscrambler Webpage Integrity
Neither was the first choice, one was named
5 of 14 modelsThe answer put something else first and named one of the two as an alternative.Grok 4.20cside alternatives: Feroot Security, Reflectiz
DeepSeek V4 FlashFeroot Security alternatives: Cloudflare Page Shield, Reflectiz, cside
Qwen 3.7 FlashFeroot Security alternatives: Akamai Client-Side Protection & Compliance, Cloudflare, HUMAN Security, Source Defense
GLM 4.7 FlashXcside alternatives: Feroot Security, Imperva Client-Side Protection, Microsoft Defender for Cloud, Reflectiz
Muse Glimmer 30Bcside alternatives: Reflectiz
Neither was named
6 of 14 modelsThe answer made no first choice from these two in this category.Claude Haiku 4.5no first choice
GPT-5.4 minino first choice
Mistral SmallFeroot Security, cside alternatives: Akamai Client-Side Protection & Compliance, otto-js
Llama 4 Maverickno first choice
MiniMax M2.5CrowdStrike Falcon, Microsoft Defender for Endpoint alternatives: ESET Endpoint Security
GPT-6 LunaMicrosoft Defender for Cloud alternatives: Sophos Intercept X
Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.
By buyer segment
The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
Level: the same share of first choices.
Reflectiz0%#7 of 11Source Defense0%#8 of 11Mid-marketThe figures above
Reflectiz leads by eight points.
Reflectiz10%#4 of 10Source Defense2%#5 of 10Enterprise
Reflectiz leads by eight points.
Reflectiz12%#4 of 12Source Defense4%#8 of 12What the models said about Reflectiz
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“Client-side monitoring, sandboxing, or behavioral detection tools (e.g., those from Reflectiz, Feroot, Human Security, Imperva Client-Side Protection, Source Defense) ... ineffective against sophisticated attacks” Grok 4.20 · negative prompt · hard negative
“"such as JavaScript sandboxing agents (e.g., from vendors like JScrambler, SourceDefense/Reflectiz, Human Security)" ... 7 of 14 models · 3 hard negative” Muse Glimmer 30B · negative prompt · hard negative
“Reflectiz (in some implementations) ... have been criticized because: They run inside the customer's browser, which means they can be bypassed” Kimi K2 · negative prompt · hard negative
“Reflectiz ⭐ (Highest Rated: 4.9/5 on G2) ... Fastest deployment, zero code changes | Reflectiz” Kimi K2 · comparative prompt · first choice
“For most mid-market B2B companies, I recommend Feroot Security or Reflectiz” Kimi K2 · direct prompt · first choice
“For a mid-sized B2B company, I'd recommend starting with Reflectiz” Kimi K2 · paraphrase prompt · first choice
What the models said about Source Defense
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“Tools that rely solely on client-side JavaScript agents or sandboxing (such as those from vendors like JScrambler, SourceDefense, Reflectiz, and Human Security) are often criticized.” Mistral Small · negative prompt · hard negative
“"such as JavaScript sandboxing agents (e.g., from vendors like JScrambler, SourceDefense/Reflectiz, Human Security)" ... 7 of 14 models · 3 hard negative” Muse Glimmer 30B · negative prompt · hard negative
“Vendors like SourceDefense, JScrambler, Reflectiz (in some implementations), Human Security, and otto-js have been criticized” Kimi K2 · negative prompt · hard negative
“Source Defense is the strongest default choice” Perplexity Sonar · direct prompt · first choice
“Best for organizations that rely heavily on tag managers and need to control the blast radius of third‑party scripts” MiniMax M2.5 · comparative prompt · alternative
“Choose Source Defense when enforcing fine-grained permissions for third-party scripts matters most.” Perplexity Sonar · comparative prompt · alternative
Also compared
cside vs Reflectizcside vs Source DefenseCloudflare Page Shield vs ReflectizCloudflare Page Shield vs Source DefenseFeroot Security vs ReflectizFeroot Security vs Source DefenseReflectiz vs Feroot PaymentGuardSource Defense vs Feroot PaymentGuardAll fifteen head-to-head pages and the full client-side protection standing
Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.