diff --git a/scripts/generate_site.py b/scripts/generate_site.py
index a07d2b6f..f60c3d43 100644
--- a/scripts/generate_site.py
+++ b/scripts/generate_site.py
@@ -4656,12 +4656,9 @@ def _emulator_intro(emu_name: str, profile: dict) -> str:
     The page opened on a twelve-row table: "Type", "Version", "Checked by".
     DuckStation needs one PlayStation BIOS of any name, and the reader had
     to infer it from the "Files found by" row."""
-    import siterender  # noqa: PLC0415
-
     names: list[str] = []
     for sys_id in profile.get("systems") or []:
-        page = siterender._system_page_map.get(sys_id) or siterender._page_by_norm(sys_id)
-        label = page[1] if page else str(sys_id)
+        label = system_name(sys_id)
         if label not in names:
             names.append(label)
     files = [f for f in profile.get("files") or [] if isinstance(f, dict)]
@@ -6675,6 +6672,7 @@ def _generate(args: argparse.Namespace) -> None:
         _system_pages_from_data(manufacturers, coverages, db, profiles)
     )
     print(f"  {len(_system_page_map)} system IDs mapped to pages")
+    set_console_sections(manufacturers, program_names(profiles))
 
     print("Generating system pages...")
 
@@ -6864,11 +6862,10 @@ def _generate(args: argparse.Namespace) -> None:
                      json.dumps(sitestarlight.sidebar(nav, present), indent=1) + "\n")
     write_if_changed(str(generated / "lastmod.json"),
                      json.dumps(dict(sorted(lastmod.items())), indent=1) + "\n")
-    mfr_names = {mfr.lower().replace(" ", "-"): mfr for mfr in manufacturers}
-    titles = {}
-    for sys_id, (slug, console) in _system_page_map.items():
-        mfr = mfr_names.get(slug, "")
-        titles[sys_id] = console if console.startswith(mfr) else f"{mfr} {console}"
+    system_ids = set(_system_page_map) | {
+        sys_id for cov in coverages.values() for sys_id in cov["config"].get("systems", {})
+    }
+    titles = {sys_id: system_name(sys_id) for sys_id in sorted(system_ids)}
     sitestarlight.picker_data(_REPO_ROOT / "install", public / "data" / "picker", titles)
     total_pages = len(present)
     print(f"\nGenerated {total_pages} pages in {args.docs_dir}/")
@@ -6903,6 +6900,9 @@ from siterender import (  # noqa: E402,F401
     _system_page_map,
     _system_link,
     set_system_page_map,
+    set_console_sections,
+    program_names,
+    system_name,
     card_page,
     console_href,
     record_console_pages,
diff --git a/scripts/siterender.py b/scripts/siterender.py
index 16d48ec9..25c5dc48 100644
--- a/scripts/siterender.py
+++ b/scripts/siterender.py
@@ -306,3 +306,568 @@ def _by_mode(value: str | dict, mode: str) -> str:
     if isinstance(value, dict):
         return str(value.get(mode) or "") if mode else ""
     return str(value or "")
+
+
+# System display names. A system is named by the heading of the console
+# section that is its own: the folder its id spells, under the maker the id
+# names when two makers file a console of that name. The page a system's
+# files were voted onto is not its section and never names it. That vote
+# called nintendo-gba "Nintendo Game Boy" and camplynx "Arcade". A system
+# with no section of its own is named in SYSTEM_NAMES, and a system in
+# neither stops the build.
+
+# Folders that file copies by the emulator or board that loads them. Their
+# headings name a program, not a system.
+_PROGRAM_TOPS = frozenset({"Other", "Arcade"})
+
+# Normalized id -> the console sections spelled that way.
+_console_sections: dict[str, set[tuple[str, str]]] = {}
+# Emulator and engine names. A heading spelled like one (Game Engines >
+# Solarus, ZC > ZC210) files that program's copies and names no system.
+_program_names: set[str] = set()
+
+
+def program_names(profiles: dict[str, dict]) -> set[str]:
+    """Every name an emulator profile goes by: its key, its emulator and
+    display names."""
+    names = {str(key) for key in profiles}
+    for profile in profiles.values():
+        names.update(
+            str(profile[field]) for field in ("emulator", "display_name")
+            if profile.get(field)
+        )
+    return names
+
+
+def set_console_sections(
+    sections: dict[str, dict] | set[tuple[str, str]],
+    programs: set[str] | frozenset[str] = frozenset(),
+) -> None:
+    """Install the console sections the system pages carry.
+
+    ``sections`` maps each manufacturer to its consoles, as the system pages
+    group them, or is a set of (manufacturer, console) pairs. ``programs``
+    are the emulator names, which never name a system.
+    """
+    from common import _norm_system_id
+
+    pairs = (
+        {(mfr, console) for mfr, consoles in sections.items() for console in consoles}
+        if isinstance(sections, dict) else set(sections)
+    )
+    _console_sections.clear()
+    for mfr, console in pairs:
+        spelled = console.lower().replace(" ", "-")
+        slug = mfr.lower().replace(" ", "-")
+        for key in {_norm_system_id(f"{slug}-{spelled}"), _norm_system_id(spelled)}:
+            _console_sections.setdefault(key, set()).add((mfr, console))
+    _program_names.clear()
+    _program_names.update(name.casefold() for name in programs)
+    _sections_installed[0] = True
+
+
+_sections_installed = [False]
+_REPO_ROOT = Path(__file__).resolve().parent.parent
+
+
+def _ensure_console_sections() -> None:
+    """Read the sections from the repository when no generator installed
+    them, so a page rendered on its own names systems as the site does."""
+    if _sections_installed[0]:
+        return
+    import json
+
+    from common import load_emulator_profiles
+    from generate_site import _group_by_manufacturer
+
+    with open(_REPO_ROOT / "database.json", encoding="utf-8") as handle:
+        db = json.load(handle)
+    profiles = load_emulator_profiles(str(_REPO_ROOT / "emulators"), skip_aliases=False)
+    set_console_sections(_group_by_manufacturer(db), program_names(profiles))
+
+
+def _own_section(sys_id: str) -> tuple[str, str] | None:
+    """The console section that is this id's own, or None.
+
+    Of two sections spelled alike (Atari and Camputers both file a Lynx),
+    the one under the maker the id names is kept. Two left is no answer,
+    and neither is a section that files a program's copies.
+    """
+    from common import _norm_system_id
+
+    _ensure_console_sections()
+    places = _console_sections.get(_norm_system_id(sys_id), set())
+    if len(places) > 1:
+        places = {
+            (mfr, console) for mfr, console in places
+            if sys_id.lower().startswith(mfr.lower().replace(" ", "-") + "-")
+        }
+    if len(places) != 1:
+        return None
+    mfr, console = next(iter(places))
+    # A folder under a program's top, named like its own page (Dinothawr) or
+    # like an emulator holds a program's files, not a system's.
+    if (
+        mfr in _PROGRAM_TOPS
+        or console.casefold() == mfr.casefold()
+        or _heading_name(mfr, console).casefold() in _program_names
+    ):
+        return None
+    return mfr, console
+
+
+def _heading_name(mfr: str, console: str) -> str:
+    """A console heading read out of its page: the maker in front, unless
+    the heading already starts with it or the page is a game publisher's."""
+    from common import GAME_DATA_TOPS
+
+    if mfr in GAME_DATA_TOPS:
+        return console
+    if console.casefold().startswith(mfr.split()[0].casefold()):
+        return console
+    return f"{mfr} {console}"
+
+
+def system_name(sys_id: str) -> str:
+    """The display name of a system id, the only one a page prints."""
+    sys_id = str(sys_id)
+    section = _own_section(sys_id)
+    if section is not None:
+        return _heading_name(*section)
+    name = SYSTEM_NAMES.get(sys_id)
+    if name is None:
+        raise KeyError(
+            f"system {sys_id!r} has no console section of its own and no "
+            "entry in siterender.SYSTEM_NAMES"
+        )
+    return name
+
+
+# Systems without a console section of their own.
+SYSTEM_NAMES: dict[str, str] = {
+    "2ship": "The Legend of Zelda: Majora's Mask",
+    "64dd": "Nintendo 64DD",
+    "aarch64": "ARM 64-bit (AArch64)",
+    "acclaim-zn1": "Acclaim ZN-1",
+    "adrift": "ADRIFT",
+    "advsys": "AdvSys",
+    "ags": "Adventure Game Studio games",
+    "agt": "Adventure Game Toolkit",
+    "alan": "Alan",
+    "alg-laserdisc": "American Laser Games laserdisc",
+    "allied-leisure-pinball": "Allied Leisure pinball",
+    "alpha": "DEC Alpha",
+    "andamiro-pumpitup": "Andamiro Pump It Up",
+    "apf-m1000": "APF M-1000",
+    "apfm1000": "APF M-1000",
+    "apple-iie": "Apple IIe",
+    "apple-ios": "Apple iOS",
+    "apple2": "Apple II",
+    "apple2gs": "Apple IIGS",
+    "arcade": "Arcade games",
+    "arcade-laserdisc": "Laserdisc arcade games",
+    "arcadia-systems": "Arcadia Systems Multi Select",
+    "arduboy": "Arduboy",
+    "aristocrat-mk5": "Aristocrat MK5",
+    "aristocrat-mk6": "Aristocrat MK6",
+    "aristocrat-mk7": "Aristocrat MK7",
+    "arm": "ARM",
+    "astrocde": "Bally Astrocade",
+    "atari-falcon": "Atari Falcon",
+    "atari-jaguarcd": "Atari Jaguar CD",
+    "atari-ste": "Atari STE",
+    "atari-system1": "Atari System 1",
+    "atari-tt": "Atari TT",
+    "atari-zn1": "Atari ZN-1",
+    "atlus-zn1": "Atlus ZN-1",
+    "atom": "Acorn Atom",
+    "bandai-playdia": "Bandai Playdia",
+    "bandai-wswan": "Bandai WonderSwan",
+    "bandai-wswanc": "Bandai WonderSwan Color",
+    "barcrest-mpu4": "Barcrest MPU4",
+    "bbc-master-128": "Acorn BBC Master 128",
+    "bbc-master-compact": "Acorn BBC Master Compact",
+    "bbc-master-et": "Acorn BBC Master ET",
+    "bbc-micro-b": "Acorn BBC Micro Model B",
+    "bbc-micro-bplus": "Acorn BBC Micro Model B+",
+    "bbk-longman-4980": "BBK Longman A4980",
+    "bbk-longman-4988": "BBK Longman A4988",
+    "bennugd": "BennuGD games",
+    "bermuda-syndrome": "Bermuda Syndrome game",
+    "brezzasoft-crystal": "BrezzaSoft Crystal System",
+    "bshift": "Half-Life: Blue Shift",
+    "bsyndrome": "Bermuda Syndrome game",
+    "caesar3": "Caesar III",
+    "cambridge-z88": "Cambridge Computer Z88",
+    "camplynx": "Camputers Lynx",
+    "capcom-cps1": "Capcom CPS-1",
+    "capcom-cps2": "Capcom CPS-2",
+    "capcom-cps3": "Capcom CPS-3",
+    "capcom-zn1": "Capcom ZN-1",
+    "capcom-zn2": "Capcom ZN-2",
+    "casio-pv1000": "Casio PV-1000",
+    "catacomb-3d": "Catacomb 3-D",
+    "catacomb-adventure": "Catacomb Adventure Series",
+    "cave-cv1000": "Cave CV1000",
+    "cave-story": "Cave Story",
+    "cavestory": "Cave Story",
+    "celeste-classic": "Celeste Classic",
+    "century-cvs": "Century CVS",
+    "ces-galaxy-games": "CES Galaxy Games",
+    "cgenie": "EACA Colour Genie",
+    "chex": "Chex Quest",
+    "chihiro": "Sega Chihiro",
+    "chip8": "CHIP-8",
+    "coco3": "Tandy Color Computer 3",
+    "commanderx16": "Commander X16",
+    "commodore-c64-supercpu": "Commodore 64 with SuperCPU",
+    "commodore-cbm-ii": "Commodore CBM-II",
+    "commodore-cd32": "Commodore Amiga CD32",
+    "commodore-cdtv": "Commodore CDTV",
+    "commodore-cubo": "CD Express Cubo CD32",
+    "commodore-pet": "Commodore PET",
+    "coolbar": "Coolbar feature phones",
+    "cps1": "Capcom CPS-1",
+    "cps2": "Capcom CPS-2",
+    "cps3": "Capcom CPS-3",
+    "crvision": "VTech CreatiVision",
+    "cstrike": "Counter-Strike",
+    "ctf": "Quake II: Capture the Flag",
+    "czero": "Counter-Strike: Condition Zero",
+    "czeror": "Counter-Strike: Condition Zero Deleted Scenes",
+    "dark-forces": "Star Wars: Dark Forces",
+    "dark-forces-ii": "Star Wars Jedi Knight: Dark Forces II",
+    "deco-cassette": "Data East DECO Cassette System",
+    "descent2": "Descent II",
+    "dingoo-a320": "Dingoo A320",
+    "dinothawr": "Dinothawr game",
+    "discrete-arcade": "Discrete logic arcade games",
+    "dmc": "Deathmatch Classic",
+    "doom": "Doom",
+    "doom3-bfg": "Doom 3: BFG Edition",
+    "dos": "MS-DOS",
+    "dragon32": "Dragon 32",
+    "dragon64": "Dragon 64",
+    "droidworks": "Star Wars: DroidWorks",
+    "duke-nukem-2": "Duke Nukem II",
+    "duke3d": "Duke Nukem 3D",
+    "dusklight": "The Legend of Zelda: Twilight Princess",
+    "efo-cedar-magnet": "EFO Cedar Magnet System",
+    "eighting-zn1": "Eighting ZN-1",
+    "elektor-tv-games-computer": "Elektor TV Games Computer",
+    "emerson-arcadia-2001": "Emerson Arcadia 2001",
+    "enemy-territory-quake-wars": "Enemy Territory: Quake Wars",
+    "enemyterritory": "Wolfenstein: Enemy Territory",
+    "enterprise-128": "Enterprise 128",
+    "enterprise-64": "Enterprise 64",
+    "entex-advision": "Entex Adventure Vision",
+    "epoch-scv": "Epoch Super Cassette Vision",
+    "epochcv": "Epoch Cassette Vision",
+    "eternal-computer": "Eternal Software Initiative computer",
+    "exelvision-exl100": "Exelvision EXL 100",
+    "exhumed": "PowerSlave",
+    "exidy-maxaflex": "Exidy Max-A-Flex",
+    "fallout": "Fallout",
+    "famicom": "Nintendo Famicom",
+    "flash": "Adobe Flash",
+    "flashback": "Flashback",
+    "fm77av": "Fujitsu FM77AV",
+    "fpinball": "Future Pinball tables",
+    "fruitmachine": "Fruit machines",
+    "fury": "Ion Fury game",
+    "gaelco-powervr": "Gaelco PowerVR boards",
+    "galaksija": "Galaksija computer",
+    "game": "Picross puzzle (libretro sample)",
+    "gamecom": "Tiger Game.com",
+    "gameplan-mpu1": "Game Plan MPU-1",
+    "gamepock": "Epoch Game Pocket Computer",
+    "gametank": "GameTank console",
+    "gba": "Nintendo Game Boy Advance",
+    "gearbox": "Half-Life: Opposing Force",
+    "ghostship": "Super Mario 64",
+    "glulx": "Glulx",
+    "gottlieb-system1": "Gottlieb System 1",
+    "half-life-2": "Half-Life 2",
+    "handheld-electronic": "Nintendo Game & Watch",
+    "heart-of-darkness": "Heart of Darkness",
+    "heretic": "Heretic",
+    "heroes-of-might-and-magic-2": "Heroes of Might and Magic II",
+    "hexen": "Hexen",
+    "hexen2": "Hexen II",
+    "hppa": "HP PA-RISC",
+    "hugo": "Hugo",
+    "hyper-neogeo64": "SNK Hyper Neo Geo 64",
+    "ibm-at": "IBM PC/AT",
+    "ibm-pcjr": "IBM PCjr",
+    "ibm-ps1": "IBM PS/1",
+    "ibm-xt": "IBM PC XT",
+    "icarus-starship-command-simulator": "Icarus Starship Command Simulator",
+    "igs-pgm": "IGS PolyGame Master",
+    "imax-macs": "I'Max MACS",
+    "interact": "Interact Home Computer",
+    "interton-vc4000": "Interton VC 4000",
+    "itech-eagle": "Incredible Technologies Eagle",
+    "jacl": "JACL",
+    "jedi-academy": "Star Wars Jedi Knight: Jedi Academy",
+    "jedi-outcast": "Star Wars Jedi Knight II: Jedi Outcast",
+    "jediacademy": "Star Wars Jedi Knight: Jedi Academy",
+    "jediknight2": "Star Wars Jedi Knight II: Jedi Outcast",
+    "jupiter-ace": "Jupiter Cantab Jupiter Ace",
+    "konami-bubble-system": "Konami Bubble System",
+    "konami-bubblesystem": "Konami Bubble System",
+    "konami-bubsys": "Konami Bubble System",
+    "konami-endeavour": "Konami Endeavour",
+    "konami-gq": "Konami GQ",
+    "konami-gv": "Konami GV",
+    "konami-gx": "Konami GX",
+    "konami-python": "Konami Python",
+    "konami-python2": "Konami Python 2",
+    "konami-twinkle": "Konami Twinkle",
+    "konami-viper": "Konami Viper",
+    "lambda-8300": "Lambda 8300",
+    "laserdisc-arcade": "Laserdisc arcade games",
+    "level9": "Level 9",
+    "lowresnx": "LowRes NX programs",
+    "lynx": "Atari Lynx",
+    "m68k": "Motorola 68000",
+    "magnetic-scrolls": "Magnetic Scrolls",
+    "marty": "Fujitsu FM Towns Marty",
+    "mega-cd": "Sega Mega-CD",
+    "mega-cd-32x": "Sega Mega-CD 32X",
+    "mega-duck": "Welback Mega Duck",
+    "mega-ld": "Sega Mega LD",
+    "megacd": "Sega Mega-CD",
+    "microdigital-tk85": "Microdigital TK85",
+    "microsoft-msx2": "MSX2",
+    "microsoft-xbox-360": "Microsoft Xbox 360",
+    "midway-mcr": "Midway MCR",
+    "mips": "MIPS",
+    "mips64": "MIPS64",
+    "miuchiz": "Miuchiz",
+    "mohaa": "Medal of Honor: Allied Assault",
+    "mohaa-breakthrough": "Medal of Honor: Allied Assault Breakthrough",
+    "mohaa-spearhead": "Medal of Honor: Allied Assault Spearhead",
+    "msx1": "MSX",
+    "msx2": "MSX2",
+    "msx2+": "MSX2+",
+    "msx2plus": "MSX2+",
+    "msxturboR": "MSX turbo R",
+    "msxturbor": "MSX turbo R",
+    "mysteries-of-the-sith": "Star Wars Jedi Knight: Mysteries of the Sith",
+    "myvision": "Nichibutsu My Vision",
+    "mz2000": "Sharp MZ-2000",
+    "mz2500": "Sharp MZ-2500",
+    "mz700": "Sharp MZ-700",
+    "mz800": "Sharp MZ-800",
+    "mz80k": "Sharp MZ-80K",
+    "nam": "NAM",
+    "namco-na1": "Namco NA-1",
+    "namco-nb1": "Namco NB-1",
+    "namco-system11": "Namco System 11",
+    "namco-system246": "Namco System 246",
+    "namco-system256": "Namco System 256",
+    "namco-system357": "Namco System 357",
+    "namco-system573": "Konami System 573",
+    "naomi2": "Sega NAOMI 2",
+    "napalm": "NAPALM",
+    "nec-pc-80": "NEC PC-8001",
+    "nec-supergrafx": "NEC SuperGrafx",
+    "neo-geo-pocket-color": "SNK Neo Geo Pocket Color",
+    "neogeo64": "SNK Hyper Neo Geo 64",
+    "ngp": "SNK Neo Geo Pocket",
+    "ngpc": "SNK Neo Geo Pocket Color",
+    "nichibutsu-hrdvd": "Nichibutsu High Rate DVD",
+    "nintendo-64dd": "Nintendo 64DD",
+    "nintendo-aleck64": "Nintendo Aleck64",
+    "nintendo-ds": "Nintendo DS",
+    "nintendo-dsi": "Nintendo DSi",
+    "nintendo-fds": "Nintendo Famicom Disk System",
+    "nintendo-gb": "Nintendo Game Boy",
+    "nintendo-gba": "Nintendo Game Boy Advance",
+    "nintendo-gbc": "Nintendo Game Boy Color",
+    "nintendo-nss": "Nintendo Super System",
+    "nintendo-playch10": "Nintendo PlayChoice-10",
+    "nintendo-sfcbox": "Nintendo Super Famicom Box",
+    "nintendo-sgb": "Nintendo Super Game Boy",
+    "nintendo-virtualboy": "Nintendo Virtual Boy",
+    "nintendo-wii-arcade": "Nintendo Wii arcade boards",
+    "nmk16": "NMK16",
+    "oberon": "Project Oberon",
+    "olivetti-pc128": "Olivetti Prodest PC 128",
+    "omicron": "Omicron cartridges",
+    "onscripter": "ONScripter visual novels",
+    "openbor": "OpenBOR games",
+    "opengoal": "Jak and Daxter",
+    "oric": "Tangerine Oric",
+    "oricatmos": "Oric Atmos",
+    "outlaws": "Outlaws",
+    "palm-os": "Palm OS",
+    "pc-engine-ld": "NEC PC Engine LD-ROM2",
+    "pc60": "NEC PC-6001",
+    "pc80": "NEC PC-8001",
+    "pce-tourvision": "TourVision",
+    "pdark": "Perfect Dark",
+    "pegasus": "Aamber Pegasus",
+    "pgm": "IGS PolyGame Master",
+    "philips-p2000t": "Philips P2000T",
+    "philips-vg5k": "Philips VG 5000",
+    "picocomputer-6502": "Picocomputer 6502 programs",
+    "pocket-challenge-v2": "Benesse Pocket Challenge V2",
+    "powerslave": "PowerSlave",
+    "ppc": "PowerPC",
+    "ppc64": "PowerPC 64-bit",
+    "prey": "Prey",
+    "prince-of-persia": "Prince of Persia",
+    "ps4": "Sony PlayStation 4",
+    "pv1000": "Casio PV-1000",
+    "quadrilateral-cowboy": "Quadrilateral Cowboy",
+    "quake2": "Quake II",
+    "quake3": "Quake III Arena",
+    "quake4": "Quake 4",
+    "realrtcw": "Return to Castle Wolfenstein (RealRTCW)",
+    "recel-system3": "Recel System III",
+    "redneck": "Redneck Rampage",
+    "ricochet": "Ricochet",
+    "ringo-r470": "Ringo R470",
+    "riscv": "RISC-V",
+    "riscv32": "RISC-V 32-bit",
+    "riscv64": "RISC-V 64-bit",
+    "rogue": "Quake II: Ground Zero",
+    "rott": "Rise of the Triad",
+    "rpgmaker": "RPG Maker games",
+    "s390x": "IBM z/Architecture (s390x)",
+    "sam-coupe": "MGT SAM Coupe",
+    "sammy-atomiswave": "Sammy Atomiswave",
+    "sammy-medal": "Sammy medal games",
+    "science-of-cambridge-mk14": "Science of Cambridge MK14",
+    "scott-adams": "Scott Adams adventures",
+    "scott-adams-plus": "Scott Adams Plus adventures",
+    "scummvm": "ScummVM games",
+    "scv": "Epoch Super Cassette Vision",
+    "sdlpal": "The Legend of Sword and Fairy",
+    "sega-atomiswave": "Sammy Atomiswave",
+    "sega-dreamcast-arcade": "Sega Dreamcast-based arcade boards",
+    "sega-genesis": "Sega Genesis",
+    "sega-isgsm": "Sega ISG Selection Master",
+    "sega-mega-cd": "Sega Mega-CD",
+    "sega-megacd": "Sega Mega-CD",
+    "sega-megaplay": "Sega Mega Play",
+    "sega-megatech": "Sega Mega-Tech",
+    "sega-model2": "Sega Model 2",
+    "sega-naomi": "Sega NAOMI",
+    "sega-naomi2": "Sega NAOMI 2",
+    "sega-naomigd": "Sega NAOMI GD-ROM",
+    "sega-outrun": "OutRun",
+    "sega-pico": "Sega Pico",
+    "sega-sg1000": "Sega SG-1000",
+    "sega-shootingzone": "Sega Shooting Zone",
+    "sega-system-sp": "Sega System SP",
+    "sega-system16b": "Sega System 16B",
+    "sega-systemsp": "Sega System SP",
+    "sega-vmu": "Sega Dreamcast VMU",
+    "serious-sam": "Serious Sam",
+    "sg-1000": "Sega SG-1000",
+    "sielectronics-y2": "SiElectronics System Y2",
+    "sinclair-ql": "Sinclair QL",
+    "sinclair-spectrum": "Sinclair ZX Spectrum",
+    "sinclair-zx-spectrum": "Sinclair ZX Spectrum",
+    "sinclair-zx-spectrum-next": "ZX Spectrum Next",
+    "sinclair-zx80-81": "Sinclair ZX80 and ZX81",
+    "sinclair-zxspectrum": "Sinclair ZX Spectrum",
+    "skin-deep": "Skin Deep",
+    "smbx": "Super Mario Bros. X",
+    "sms": "Sega Master System",
+    "snk-neogeo-aes": "SNK Neo Geo AES",
+    "snk-neogeo-mvs": "SNK Neo Geo MVS",
+    "snk-ngp": "SNK Neo Geo Pocket",
+    "snk-ngpc": "SNK Neo Geo Pocket Color",
+    "soh": "The Legend of Zelda: Ocarina of Time",
+    "sonic-1-2013": "Sonic the Hedgehog (2013)",
+    "sonic-2-2013": "Sonic the Hedgehog 2 (2013)",
+    "sonic-mania": "Sonic Mania",
+    "soniccd": "Sonic CD",
+    "sony-psp": "Sony PlayStation Portable",
+    "sparc": "SPARC",
+    "sparc64": "SPARC64",
+    "spectravideo": "Spectravideo",
+    "star-control-2": "Star Control II",
+    "starship": "Star Fox 64",
+    "strife": "Strife",
+    "sunplus-native32": "Sunplus Native32",
+    "sunplus-spmp8000": "Sunplus SPMP8000",
+    "super-famicom": "Nintendo Super Famicom",
+    "super-kaneko-nova": "Kaneko Super Nova System",
+    "super-mario-war": "Super Mario War game",
+    "superacan": "Funtech Super A'Can",
+    "supergrafx": "NEC SuperGrafx",
+    "supergrafx-cd": "NEC SuperGrafx CD",
+    "solarus": "Solarus games",
+    "supertux": "SuperTux game",
+    "supertuxkart": "SuperTuxKart game",
+    "supracan": "Funtech Super A'Can",
+    "symbian": "Symbian OS",
+    "tab-silverball": "TAB Austria Silverball",
+    "tads": "TADS",
+    "taito-cchip": "Taito C-Chip",
+    "taito-fx1": "Taito FX-1",
+    "taito-gnet": "Taito G-NET",
+    "taito-type-x": "Taito Type X",
+    "taito-typezero": "Taito Type Zero",
+    "tamagotchi-p1": "Bandai Tamagotchi P1",
+    "tandy-1000": "Tandy 1000",
+    "taylormade": "TaylorMade",
+    "teamarena": "Quake III: Team Arena",
+    "tecmo-tps": "Tecmo TPS",
+    "tfc": "Team Fortress Classic",
+    "the-dark-mod": "The Dark Mod",
+    "thomson-mo6": "Thomson MO6",
+    "thomson-to7": "Thomson TO7",
+    "thomson-to770": "Thomson TO7/70",
+    "thomson-to8": "Thomson TO8",
+    "thomson-to8d": "Thomson TO8D",
+    "thomson-to9": "Thomson TO9",
+    "thomson-to9plus": "Thomson TO9+",
+    "tic80": "TIC-80 cartridges",
+    "tiger-game-com": "Tiger Game.com",
+    "timex-tc2048": "Timex Computer 2048",
+    "timex-ts1500": "Timex Sinclair 1500",
+    "timex-ts2068": "Timex Sinclair 2068",
+    "tomb-raider": "Tomb Raider",
+    "tomb-raider-1": "Tomb Raider",
+    "tomb-raider-2": "Tomb Raider II",
+    "transport-tycoon-deluxe": "Transport Tycoon Deluxe",
+    "tyrian": "Tyrian",
+    "ur-quan-masters": "Star Control II",
+    "urban-terror": "Urban Terror",
+    "uzebox": "Uzebox",
+    "vaporspec": "VaporSpec cartridges",
+    "vc4000": "Interton VC 4000",
+    "vg5k": "Philips VG 5000",
+    "vgmplay": "Video game music files",
+    "videobrain": "Umtech VideoBrain",
+    "videosystem-zn1": "Video System ZN-1",
+    "vircon32": "Vircon32 cartridges",
+    "virtuality-su2000": "Virtuality SU2000",
+    "vm-labs-nuon": "VM Labs Nuon",
+    "vpinball": "Visual Pinball tables",
+    "vvvvvv": "VVVVVV game",
+    "watara-supervision": "Watara Supervision",
+    "wonderswan-color": "Bandai WonderSwan Color",
+    "ww2gi": "World War II GI",
+    "x86": "x86 PC",
+    "x86-64": "x86-64 PC",
+    "xatrix": "Quake II: The Reckoning",
+    "xrick": "Rick Dangerous",
+    "ym2608": "Yamaha YM2608",
+    "zc210": "Zelda Classic",
+    "zeldaclassic": "Zelda Classic",
+    "zn1-acclaim": "Acclaim ZN-1",
+    "zn1-atlus": "Atlus ZN-1",
+    "zn1-capcom": "Capcom ZN-1",
+    "zn1-taito": "Taito ZN-1",
+    "zn1-tecmo": "Tecmo ZN-1",
+    "zn1-video-system": "Video System ZN-1",
+    "zn2-capcom": "Capcom ZN-2",
+    "zx-spectrum": "Sinclair ZX Spectrum",
+    "zx-spectrum-128": "Sinclair ZX Spectrum 128",
+}
diff --git a/tests/test_site_r2_p0.py b/tests/test_site_r2_p0.py
new file mode 100644
index 00000000..9dd6f1b1
--- /dev/null
+++ b/tests/test_site_r2_p0.py
@@ -0,0 +1,120 @@
+"""One display name per system id (round 2, package P0).
+
+An emulator page listed the folders a system's files were voted onto:
+nintendo-gba read "Nintendo Game Boy", camplynx "Arcade", and MAME
+"emulated FBNeo". siterender.system_name names a system from the console
+section that is its own, then from SYSTEM_NAMES, and raises otherwise.
+database.json carries no system id: its files reach a page through their
+console folders, so the ids to name are the platforms' and the profiles'.
+"""
+
+from __future__ import annotations
+
+import json
+import sys
+import unittest
+from pathlib import Path
+
+REPO_ROOT = Path(__file__).resolve().parents[1]
+sys.path.insert(0, str(REPO_ROOT / "scripts"))
+
+import siterender  # noqa: E402
+from common import (  # noqa: E402
+    list_registered_platforms,
+    load_emulator_profiles,
+    load_platform_config,
+)
+from generate_site import _group_by_manufacturer  # noqa: E402
+
+
+def _profile_system_ids(profiles: dict[str, dict]) -> set[str]:
+    ids: set[str] = set()
+    for profile in profiles.values():
+        ids.update(str(sys_id) for sys_id in profile.get("systems") or [])
+        for entry in profile.get("files") or []:
+            if not isinstance(entry, dict):
+                continue
+            if entry.get("system"):
+                ids.add(str(entry["system"]))
+            ids.update(str(sys_id) for sys_id in entry.get("systems") or [])
+    return ids
+
+
+class SystemNames(unittest.TestCase):
+
+    @classmethod
+    def setUpClass(cls) -> None:
+        with open(REPO_ROOT / "database.json", encoding="utf-8") as handle:
+            db = json.load(handle)
+        cls.manufacturers = _group_by_manufacturer(db)
+        cls.profiles = load_emulator_profiles(
+            str(REPO_ROOT / "emulators"), skip_aliases=False)
+        siterender.set_console_sections(
+            cls.manufacturers, siterender.program_names(cls.profiles))
+        platforms_dir = str(REPO_ROOT / "platforms")
+        cls.platform_ids = {
+            sys_id
+            for name in list_registered_platforms(platforms_dir, include_archived=True)
+            for sys_id in load_platform_config(name, platforms_dir).get("systems", {})
+        }
+        cls.profile_ids = _profile_system_ids(cls.profiles)
+
+    def _all_ids(self) -> set[str]:
+        return self.platform_ids | self.profile_ids
+
+    def test_every_system_id_has_a_name(self) -> None:
+        unnamed = []
+        for sys_id in sorted(self._all_ids()):
+            try:
+                name = siterender.system_name(sys_id)
+            except KeyError:
+                unnamed.append(sys_id)
+                continue
+            self.assertTrue(name.strip(), sys_id)
+        self.assertEqual(unnamed, [], "add these to siterender.SYSTEM_NAMES")
+
+    def test_no_name_is_a_manufacturer_page_or_an_emulator(self) -> None:
+        taken = {name.casefold() for name in self.manufacturers}
+        taken |= {name.casefold() for name in siterender.program_names(self.profiles)}
+        clashes = sorted(
+            (sys_id, siterender.system_name(sys_id))
+            for sys_id in self._all_ids()
+            if siterender.system_name(sys_id).casefold() in taken
+        )
+        self.assertEqual(clashes, [])
+
+    def test_table_entries_are_reached(self) -> None:
+        """A table entry an own section shadows is never read, and an entry
+        no platform or profile names is a leftover."""
+        shadowed = sorted(
+            sys_id for sys_id in siterender.SYSTEM_NAMES
+            if siterender._own_section(sys_id) is not None
+        )
+        self.assertEqual(shadowed, [])
+        unused = sorted(set(siterender.SYSTEM_NAMES) - self._all_ids())
+        self.assertEqual(unused, [])
+
+    def test_names_that_read_a_folder_vote(self) -> None:
+        self.assertEqual(siterender.system_name("nintendo-gba"), "Nintendo Game Boy Advance")
+        self.assertEqual(siterender.system_name("camplynx"), "Camputers Lynx")
+        self.assertEqual(siterender.system_name("atari-lynx"), "Atari Lynx")
+        self.assertEqual(siterender.system_name("arcade"), "Arcade games")
+        self.assertEqual(siterender.system_name("sega-naomi"), "Sega NAOMI")
+
+    def test_own_section_names_from_its_heading(self) -> None:
+        self.assertEqual(siterender.system_name("nintendo-snes"), "Nintendo SNES")
+        self.assertEqual(siterender.system_name("sony-playstation"), "Sony PlayStation")
+
+    def test_an_unknown_id_raises(self) -> None:
+        with self.assertRaises(KeyError):
+            siterender.system_name("no-such-system-anywhere")
+
+    def test_mame_names_systems_not_emulators(self) -> None:
+        names = {siterender.system_name(s) for s in self.profiles["mame"].get("systems") or []}
+        self.assertNotIn("FBNeo", names)
+        self.assertNotIn("Arcade", names)
+        self.assertFalse(names & siterender.program_names(self.profiles))
+
+
+if __name__ == "__main__":
+    unittest.main()
diff --git a/wiki/testing-guide.md b/wiki/testing-guide.md
index f3bf2fc1..353e260c 100644
--- a/wiki/testing-guide.md
+++ b/wiki/testing-guide.md
@@ -56,7 +56,7 @@ Every module in `tests/`, by the area it guards.
 | Handheld port | stubbed PortMaster dialogs, fake installer | `test_port` |
 | Truth and native export | synthetic + cached originals | `test_export_counts`, `test_export_native_layer`, `test_export_report`, `test_exporters`, `test_truth_data_dir_readers`, `test_truth_diff`, `test_truth_layout` |
 | Scrapers, upstream and provenance | inline sources, synthetic | `test_check_freshness`, `test_dedup`, `test_elec_scrapers`, `test_fbneo_parser`, `test_find_pinned_revision`, `test_hash_merge`, `test_launchers`, `test_launchers_emudeck`, `test_launchers_recalbox`, `test_launchers_retrobat`, `test_launchers_retrodeck`, `test_launchers_retropie`, `test_launchers_rocknix`, `test_mame_devices`, `test_mame_parser`, `test_mame_ref_audit`, `test_profile_sync`, `test_provenance`, `test_refresh_data_dirs`, `test_refresh_failures`, `test_refresh_stale`, `test_retrodeck_scraper_errors`, `test_romset_recipes`, `test_scraper_contract`, `test_upstream`, `test_upstream_index` |
-| Site, docs and repository contracts | rendered pages, sources | `test_contributing_text`, `test_coverage_cache`, `test_data_dir_refs`, `test_dataclass_defaults`, `test_doc_pages`, `test_doc_surfaces`, `test_optional_dependencies`, `test_prose_style`, `test_schema_semantic_gate`, `test_site_availability`, `test_site_content_data`, `test_site_copy`, `test_site_cores`, `test_site_emulator_page`, `test_site_exports`, `test_site_funnel`, `test_site_images`, `test_site_picker`, `test_site_platform_hashes`, `test_site_render`, `test_site_system_links`, `test_site_validation`, `test_site_weight`, `test_site_write`, `test_validate_pr`, `test_validate_pr_flow`, `test_validate_pr_hashes`, `test_workflow_paths` |
+| Site, docs and repository contracts | rendered pages, sources | `test_contributing_text`, `test_coverage_cache`, `test_data_dir_refs`, `test_dataclass_defaults`, `test_doc_pages`, `test_doc_surfaces`, `test_optional_dependencies`, `test_prose_style`, `test_schema_semantic_gate`, `test_site_availability`, `test_site_content_data`, `test_site_copy`, `test_site_cores`, `test_site_emulator_page`, `test_site_exports`, `test_site_funnel`, `test_site_images`, `test_site_picker`, `test_site_platform_hashes`, `test_site_r2_p0`, `test_site_render`, `test_site_system_links`, `test_site_validation`, `test_site_weight`, `test_site_write`, `test_validate_pr`, `test_validate_pr_flow`, `test_validate_pr_hashes`, `test_workflow_paths` |
 
 ## Test architecture